Overall Rating
Overall Rating (20 Reviews)
4.8
(20 Ratings)(20 Reviews)
DIFFICULTY
3.7
SCENERY
4.4
PRODUCTION
5
SWAG
4.8
Rising up from the depths of Lake Chabot, the Bad Bass (a strangely kilt-wearing, bagpipe-playing Scottish bass with teeth) shows itself once again this July! Why is he Scottish? What is he doing in Castro Valley? How can he play bagpipes with his fin? We have no idea how to … MORE
Local Weather (Jul 28)
2017 2016 2015 2014 2013
 
H (°F) 69 78 84 72 67
L (°F) 58 56 60 61 57
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Recent reviews

    Profile photo of John Lee
    johncjlee FIRST-TIMER '17

    -Well produced race, executed on time without hitches -Friendly atmosphere, people very supportive of each other -Beautiful scenery, great place to run a race -Reasonably challenging course, not too tough … MORE

    -Well produced race, executed on time without hitches
    -Friendly atmosphere, people very supportive of each other
    -Beautiful scenery, great place to run a race
    -Reasonably challenging course, not too tough but not too easy either
    Look forward to next year!

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Skye Callan
    skyebaby REPEAT RUNNER '17

    I love the setup for this one, running out with a bagpiper and drummer cheering us on, and the beautiful start and finish around the lake. The big hill in … MORE

    I love the setup for this one, running out with a bagpiper and drummer cheering us on, and the beautiful start and finish around the lake. The big hill in the middle can be a doozy, especially in the heat, but provides some amazing views and some decent shade here and there. Great aid stations, food post-race, and swag.

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Megan Davis
    davismeg REPEAT RUNNER '17

    Brazen Racing never ceases to amaze me! I've been participating in their races for over two years, but hadn't run Bad Bass until 2017. I loved every aspect of this … MORE

    Brazen Racing never ceases to amaze me! I’ve been participating in their races for over two years, but hadn’t run Bad Bass until 2017.

    I loved every aspect of this event. The location was easy to get to, parking wasn’t a nightmare, & pre-race festivities were very well organized. In my opinion, the course was challenging considering the steep hikes uphill; however, I’m not complaining! 🙂 As always, I ran with my Sole Sisters and a few of them were thrown off by the steep hills so it may not be everyone’s course of choice. Can’t please everyone.

    Swag & Post-Race Party = AMAZING AS ALWAYS!! There’s nothing better than getting greeted at the finish line with a BEAUTIFUL, heavy-duty, race-specific medal. One can always expect to get good swag at a Brazen run, no doubt. Brazen Racing always provides an extensive array of snacks & drinks to nourish yourself with after the race.

    As I said, I’ve been participating in Brazen runs for a few years now, and the community they’ve created amongst Bay Area (and non Bay Area) runners is incredible. Always good vibes out there on the trails.

    Thanks again, BR!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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    Profile photo of Rosario Ngo
    rngo77 REPEAT RUNNER '17

    Beautiful run, great hills. Very well organized and supported run. i can't say enough about Brazen, all runs that I've participated in have been a blast! MORE

    Beautiful run, great hills. Very well organized and supported run. i can’t say enough about Brazen, all runs that I’ve participated in have been a blast!

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5
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    Profile photo of Melanie Kelsey
    melanie.kelsey FIRST-TIMER '17

    As usual, Brazen Racing ran the best race! Fun location to run! Organized check-in! Great communication! Amazing volunteers and water and snack stops on the route. The BEST post-race food … MORE

    As usual, Brazen Racing ran the best race! Fun location to run! Organized check-in! Great communication! Amazing volunteers and water and snack stops on the route. The BEST post-race food ever!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    4

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    Profile photo of Anthony Pasqualini
    pasq77 REPEAT RUNNER '17

    In 2015 Bad Bass 5K was my first introduction to trail running and Brazen Racing. I had only done 1 other race before a home town 4th of July road … MORE

    In 2015 Bad Bass 5K was my first introduction to trail running and Brazen Racing. I had only done 1 other race before a home town 4th of July road race. I was not sure I would ever really “get into” running especially in organized races. I was pretty intimidated by what I had witnessed at road races I had attended with my wife and pretty confident that this would be similar and most likely my last organized race.

    Well that was 51 races ago! Since then I have done the Bad Bass 10K twice. Lake Chabot is an oasis in an urban setting providing a great background and an amazing place not just to run in but to enjoy many outdoor activities.

    If you have never done a Brazen race before they make signing up for the race simple every race has 3 different price points. The closer to race day (including race day) you register the more you pay. Packet pick up also offers multiple choice. You can have your bib and race packet snail mailed, you can usually pick up your race packet at predefined location on the Thursday and Friday before the race or you can show up early on race day and pick up your bib and goodies.

    The atmosphere at the Lake Chabot is always lively, there is plenty of parking available and if your there for the race parking is free. I love arriving for the Bad Bass you can usually hear the bagpipes tuning up in the background as you prep for whatever race your running. There is a convenient bag check but given the proximity of the parking to the race start you can always store your stuff back in your car.

    The bagpipers play you out at the start of all 3 races (1/2, 10K & 5K) it’s a pretty cool way to start out a race. The first two miles of the 10K are on a nice shady paved trail mostly along the lake, this is to lull you into a false sense of security. As you leave the first aid station you begin to move a bit more upward for the 10K this does not stop for the next mile and half.

    Your climbing on a dirt trail at least for me it’s fairly technical, plenty of rocks and pot holes to watch for as well as the steep climb, the good part is when you reach the top you hit an aid station before you have to make your way back down. Going down can be troublesome with all the rocks and places to twist your ankle at some points I slowed to a walking pace just to prevent any injury. Once you cross the single lane bridge, and hit the aid station nearby, your in the shade and travelling back to the finish.

    As usual the Brazen medal and t-shirt were exceptional and every type of sugar, salty and healthy snack is available as well as the hard earned Its It.

    The best thing about the Bad Bass and any Brazen race for that matter is the people the volunteers, streakers, newbies, kids even random folks just there to enjoy Lake Chabot were friendly and smiling. This is what has me coming back to Brazen races again and again. There is no attitude no worries if you’re the fastest or the slowest. Sam will be the first to tell you “take your time and enjoy the trail we will be here when you finish” its great advice!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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    Profile photo of Barbara Rausch
    noneleft REPEAT RUNNER '17

    This race takes place at Lake Chabot in Castro Valley. This is my second year running the half marathon. There is still construction work on the dam, so we ran … MORE

    This race takes place at Lake Chabot in Castro Valley. This is my second year running the half marathon. There is still construction work on the dam, so we ran the same course at last year. The half course is an out and back with about three miles of pavement and the rest on fire roads. The course is not too technical, but there are some rocks and roots, so you need to be aware of where you are placing your feet. This course is a true Ultra Half with 13.7 miles and 1544 feet of elevation. There were two aid stations that we saw twice. All Aid stations were very well stocked with water, Ultima Sports drink, soda, sweet and salty snacks, and fruit. Aid stations volunteers were eager to help the runners. They were great.
    I really enjoy running races at Lock Chabot. The scenery is beautiful. The course has many miles of eucalyptus trees to provide shade and sections exposed to the sun where it does get hot.
    At the finish line, you are presented with your medal. All runners receive a race shirt of either cotton for the 5k/10k or tech for the half marathon. There is finish line food has bagels, fruit, sweet and salty snacks, and Krispy Creme glazed mini donuts. Brazen Racing also had a tradition of having It’s It ice cream sandwiches.
    Brazen Racing puts on 27 races a year. You will not be disappointed if you participate in one or more of them.

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Haley Woods
    woodshc FIRST-TIMER '16

    Having run the 10k version of this course in December, I opted for the shorter, easier 5k this time to avoid summer heat. It was a fun, fast run over … MORE

    Having run the 10k version of this course in December, I opted for the shorter, easier 5k this time to avoid summer heat. It was a fun, fast run over a pleasantly rolling course. Lots of kids at the starting line which was concerning, but the pack spread out pretty quickly, so it ended up being okay – no one got run over 🙂

    The usual excellent swag and production by Brazen, and a generally great race!

    DIFFICULTY
    1
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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    Profile photo of Tessa Silva-Mathews
    Tessa REPEAT RUNNER '16

    This is a race that I really enjoy and I was sad that I missed it last year because of a calendar conflict. The time of year is really perfect … MORE

    This is a race that I really enjoy and I was sad that I missed it last year because of a calendar conflict. The time of year is really perfect for this race. They changed the course a bit because of the park construction, so we missed the steepest climb in the beginning, but the course was made a bit longer to make up for the difficulty. This is one of the races that is part of the Brazen Racing Ultra Series. Lake Chabot is really pretty and you get to see (and smell) some really nice eucalyptus trees. Partly technical, with a bit of pavement. Overall, I really enjoy this race and hope to do it year, after year. Again, the weather is just perfect, and hanging out with friends after the race is so enjoyable. Brazen always has such a nice variety of food options post race, and the swag…amazing. I love, love, love the shirt this year!

    Aid Stations – Brazen Racing volunteers are always great, and over a period of time you get to know people, so it is always fun to see familiar faces when you come into the AS. They always have a variety of food options, coca-cola, and ice bucket if it gets too hot out there! Photo credit – Jason Lehrbaum

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5
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    Profile photo of Michael Beckwith
    mikebeckwith REPEAT RUNNER '16

    This is a really beautiful course, out at Lake Chabot. Due to some trail maintenance this year's course was changed. I have ran this course 5 times, so the change … MORE

    This is a really beautiful course, out at Lake Chabot. Due to some trail maintenance this year’s course was changed. I have ran this course 5 times, so the change was a nice welcome. The course shows as 13.5 miles online, but I showed closer to 14 with my Garmin. There are many shaded areas, where you run under tree cover so that can cause GPS hiccups. This was my 57th half marathon, and ranks up there with my favorites.
    This year’s course has you starting on the West Shore Trail, and looping a small loop to the East Shore Trail. The first 1.7 miles is flat and runnable hills, till you hit the Cameron Loop Trail, which starts the first climb. You’ll then connect to Ten Hills Trail. Next you’ll join Brandon Skyline Trail. You’ll continue on Brandon Trail and do a loop with some climbing. After the loop, you’ll make a right on Towhee Trail where you’ll join Live Oak Trail. This part is all downhill. In other years, this race had us going up this hill. It’s much more fun to only go down it. :). You’ll cross over the rickety bridge, which I love, and then join the East Shore Trail again, to run in to the finish, where you’ll cross one small bridge before finishing through the Brazen arch.
    This year I paced my good friend’s daughter on this half marathon. She is 12 years old as has done quite a few halfs already. We had a lot of fun. We saw lots of cool lizards, and saw two really cool deer.
    After the race, of course, as with any Brazen race, the people, the fun, the food, the bling, everything, was awesome as always.
    Pro tip: Get there early as parking in the lot is limited and once it’s full you have to park outside of the park. Parking is also free if you’re doing the race. The parking lots are big, but there are lots of other people who use this park, so remember, get there early.

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Barbara Rausch
    noneleft REPEAT RUNNER '16

    First time running the Bad Bass 1/2 marathon. Last year I ran the 5k. There was a new half course this year because the dam at Lake Chabot is being … MORE

    First time running the Bad Bass 1/2 marathon. Last year I ran the 5k. There was a new half course this year because the dam at Lake Chabot is being retrofitted. I really enjoyed the course. It had nice rolling hills with about 1600 ft of elevation. The course length was 13.7 miles. Aid stations were at miles 1.74, 5.43, 10.7, and 12.3. Aid stations were fully stocked with sports drink, water, Coca Cola, candy, fruit, and salty snacks. Half marathon runners received a Bad Bass tech t-shirt and 5k/10k runners received a cotton shirt. The medal was awesome, as usual.There was post race food, water, sports drink and It’s Its. I love running at Lake Chabot. It is very scenic and has a lot of trees. Will definitely run the Bad Bass again

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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    Profile photo of Shanna Greer
    greeneyegirl9 REPEAT RUNNER '16

    This was my first trail run 4 years ago and my introduction to Brazen Racing. This year they changed the course because work was being done on the damn. I … MORE

    This was my first trail run 4 years ago and my introduction to Brazen Racing. This year they changed the course because work was being done on the damn. I like the old course better. This may be because I knew what was coming. This year we started out the same but instead of going up a big climb between 4-6 it was more of a gradual up up up. It seemed to be a constant up. I felt this way was harder because you never really had recoup time. Every time we passed a familiar runner they would say the same thing. Important if the course stays this way to have your own water source. Several people did not have water with them. The aid stations were pretty spread out 1.74, 5.43, 10.7, 12.3. I still find this one of my favorite races and one of the easier ones in the Ultra Series. Theme inspired so wear your Kilt and get ready to hear some bagpipes.

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Barry Rausch
    RunningDad FIRST-TIMER '15

    Race is very well organized. Scenery is nice. Course is mostly asphalt. Start elevation 217 ft, tough climb between 2M and 3M, around 600 ft. I highly recommend both the … MORE

    Race is very well organized. Scenery is nice. Course is mostly asphalt. Start elevation 217 ft, tough climb between 2M and 3M, around 600 ft. I highly recommend both the 5k and 10k race.

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    4

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    Profile photo of Tessa Silva-Mathews
    Tessa FIRST-TIMER '14

    Chabot is a very popular place to have trail races. It is not too difficult, and you get to see some really pretty views. This is a good time of … MORE

    Chabot is a very popular place to have trail races. It is not too difficult, and you get to see some really pretty views. This is a good time of year for this race, as it usually isn’t as hot as some of the other races going on in the month of July. Eucalyptus trees are one of my favorite, and there is plenty to enjoy during this race. AS are located perfectly for this course, and if you go to Brazen Racing’s website, you will see how awesome the swag is!

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Liz Coxon
    lizcoxon REPEAT RUNNER '15

    I love this race, it's the same location as the New Years Eve/Day races, and the course is similar. Mostly rolling, runnable hills, but it's in late July, so it … MORE

    I love this race, it’s the same location as the New Years Eve/Day races, and the course is similar. Mostly rolling, runnable hills, but it’s in late July, so it gets hot out there. I had a great time out there and ran my personal best for the Ultra Half Series…no idea how I did that since I ran the 12 hour Dirty Dozen the week before. Lake Chabot is beautiful, and you start getting a lake view at around mile 11 so you know you’re almost done. As soon as I saw the lake, I turned it up and ran as hard as I could to the finish. Super fun race, I definitely recommend!

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Lauren Frei
    laurenfrei REPEAT RUNNER '15

    This is not a PR race. It is a race for strong legs. Lots of ups and downs and great scenery. Can be slippery if very wet and rainy. Overall … MORE

    This is not a PR race. It is a race for strong legs. Lots of ups and downs and great scenery. Can be slippery if very wet and rainy. Overall one of my favorite races despite the difficulty.

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    3

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    Profile photo of janey Mc Cauley
    irishdoula24 FIRST-TIMER '10

    Beatiful course great support parking can be tough lots food hilly course but overall great race. Well put together and great attention to detail MORE

    Beatiful course great support parking can be tough lots food hilly course but overall great race.
    Well put together and great attention to detail

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    4
    SWAG
    5

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    Profile photo of Barbara Rausch
    noneleft FIRST-TIMER '15

    The 5k is all paved. Nice running the tree lined trail and seeing Lake Chabot. Great Bad Bass medal and shirt. Post race refreshments were yummy! MORE

    The 5k is all paved. Nice running the tree lined trail and seeing Lake Chabot. Great Bad Bass medal and shirt. Post race refreshments were yummy!

    DIFFICULTY
    3
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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    Profile photo of Angela Knotts
    Angela FIRST-TIMER '11

    I ran this 10K in 2011 and did NOT do my homework re: the course. It was on pavement until about 1.8 miles, at which time it went up an … MORE

    I ran this 10K in 2011 and did NOT do my homework re: the course. It was on pavement until about 1.8 miles, at which time it went up an incredibly steep fire trail (Live Oak Trail), with the turnaround basically at the top of the hill. I ran for as long as I can but ended up walking the second half of the hill & trying not to die, then had to stop for a break at the top. So that was a rough surprise! The moral of the story: when you look at the course elevation diagram, LOOK AT THE UNITS. The end.

    A Brazen event, so as always great organization, smooth production, nice shirts/medals/etc. I probably won’t run it again because crazy steep fire trails are not really my thing, but if they are your thing, maybe you’ll enjoy it.

    DIFFICULTY
    4
    PRODUCTION
    5
    My Report
    SCENERY
    3
    SWAG
    4
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    Profile photo of Stefan Ryser
    Stefanryser REPEAT RUNNER '14

    The half-marathon course leads around the lake, and an extra loop over a not so little hill adds up to 13.1 miles. It is the same course for the New … MORE

    The half-marathon course leads around the lake, and an extra loop over a not so little hill adds up to 13.1 miles. It is the same course for the New Year’s Eve race and the reverse course for the New Year’s Day race. Even non-runners have a great time there, you can rent a boat.

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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