Overall Rating
Overall Rating (2 Reviews)
4
(2 Ratings)(2 Reviews)
DIFFICULTY
3.5
SCENERY
5
PRODUCTION
3.5
SWAG
4.5
IRONMAN 70.3 Boulder kicks off at the pristine Boulder Reservoir with its spectacular Rocky Mountain backdrop. This event has been an athlete favorite for over a decade. IRONMAN 70.3 Boulder is one of the fastest IRONMAN events to sell out each year—making it one of the most sought-after races in … MORE
Local Weather (Aug 03)
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H (°F) 84 77 66 93 82
L (°F) 63 69 57 62 65
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Recent reviews

    ashleekucinski FIRST-TIMER '19

    Take my thoughts with a grain of salt. I did all of my training for this event in New Jersey (sea level), with the exception of a couple of warmups … MORE

    Take my thoughts with a grain of salt. I did all of my training for this event in New Jersey (sea level), with the exception of a couple of warmups in Boulder before the race. It was likely more difficult than necessary for me because I hadn’t had any exposure to high altitudes prior to the race.
    Anyway…
    The good:
    -Race swag was phenomenal. We got a really cool waterproof bag, and the shirt was really nice (much better design than the Muncie 70.3 shirt I have from 2016).
    -Scenery. Watching the mountains on the bike course made 56 miles a lot more interesting than it could’ve been.
    -Hydration stops on the run course had a ton of options (oranges, pretzels, cookies, chips, coke, gels, etc.), and were placed frequently throughout the course (at least one per mile).
    -Swim start was self-seeded, and the other racers did a great job of placing themselves. Very little congestion throughout the swim, and the flow of swimmers getting into the water was very smooth.
    -Post-race photo ops were great – lots of IM-branded backgrounds.

    What could be better:
    -The finish line crowd support was lacking. I had to try to hype up the crowd when I was running down the red carpet.
    -The run course is 100% unshaded and mostly on gravel. Not the end of the world, but tough to transition from road running.
    -Bike course nutrition was minimal (and very slim – I think the first station wasn’t until mile 15-20).
    -Swimming at altitude is a lot harder. It feels like someone is sitting on your chest. Be prepared for that if you’re coming from sea level, and chill your pace, at least until you are comfortable enough to get into a rhythm.
    -It would’ve been nice to have water handed out at the athlete briefing. Make sure to bring water with you to stay hydrated during all of the walking/exploring IM Village.
    -Post-race food was pretty minimal (hot dogs, chips, cookies, salad). I was totally fine with the spread (because I could’ve eaten my left hand by the time I finished), but some racers felt underwhelmed.

    Overall, I’d absolutely recommend this race. It’ll challenge you (especially if you’re coming from sea level), but the scenery and excellent organization make it worth pushing through the added level of difficulty. Plus, you feel more accomplished with the extra barrier! 🙂

    DIFFICULTY
    4
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    5

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    cbielinski FIRST-TIMER '17

    I competed in this race as part of relay team and did the biking portion. In 2016 I did the full Boulder Ironman which was held at the same place … MORE

    I competed in this race as part of relay team and did the biking portion. In 2016 I did the full Boulder Ironman which was held at the same place at this time of year. They switched the times for the Full Ironman and this half so that competitors could have more favorable weather conditions as it is usually pretty hot in early August (the full Ironman was held in the beginning of June). As it turned out this year it was hotter in early June than it was on August 5th when this race was held.

    Overall this race was very good, very nice swim setup, good bike course however the run had some rough road/trail conditions in certain spots. The t-shirt and medal were both very good (nice light gray t-shirt that fit right and had a nice design). The only issue was logistics on race day. We drove up from south of Denver the day of the race and there was a traffic jam 2 miles from the venue that we were stuck in for over an hour even though we were very early. They delayed the start of the event due to the traffic issue. As it turned out they did not have police directing traffic off the nearby highway early enough and they only had one entrance to the Boulder Reservoir open. Once they opened up both entrances we were able to get in and get ready. There were a lot of nervous athletes who decided to hike from where they were stopped on the highway to try and get there in time. They have held this event enough times now that logistic issues like this shouldn’t happen but overall it all worked out and it was a very good race.

    DIFFICULTY
    3
    PRODUCTION
    3
    SCENERY
    5
    SWAG
    4

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    M_Sohaskey Aug 18, 2017 at 11:35am

    YIKES, definitely not the way to start any race, much less an Ironman event! Last thing you want is unforeseen pressure on race day, but sounds like you had the… MORE

    YIKES, definitely not the way to start any race, much less an Ironman event! Last thing you want is unforeseen pressure on race day, but sounds like you had the right attitude for the moment, Chris. As a triathlete you're clearly used to (and good at) being flexible and adapting on the fly. Congrats on making the best of it, and thanks for the excellent review! LESS

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