Overall Rating
Overall Rating (106 Reviews)
4.8
(106 Ratings) 🏆 (106 Reviews)
DIFFICULTY
4.5
SCENERY
4.9
PRODUCTION
4.6
SWAG
4.7
SPACEROCK: the final trail running frontier. These are the voyages of trail runners around the world. Your mission: to explore strange new trails, to seek out new life and new experiences, to boldly run where no one has run before. Experience the exotic trails and sights of the world famous … MORE
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Recent reviews

    jimbogrizzle FIRST-TIMER '22

    This was an amazing race experience with some unforgettable moments. The course itself is the most difficult and technical imaginable - you're in for a bad time if you're not … MORE

    This was an amazing race experience with some unforgettable moments.

    The course itself is the most difficult and technical imaginable – you’re in for a bad time if you’re not wearing trail running shoes, without which you won’t be able to safely take advantage of the steep declines following several-minute-long climbs without risking sliding off the edge of trail out of control.

    There are sections of the course that have you climbing up a steep incline for 5+ minutes at a time, and it’s daunting to look up ahead and see no reprieve in sight. There are also sections where the trail is so thin and winding that there is only width for a single foot step before it crumbles down into the ravine below. You’ll rarely be bored – it’s a fun and engaging run that requires you to stay constantly aware of your surroundings and where your feet are landing, which can get tiring.

    Despite (or maybe because of) the great challenge this course presents, the highs are incredible. Reaching the top of each hill, particularly the first seemingly unending one, runners are rewarded with a picturesque panoramic view of the valley before a rapid descent. The trail itself is generally well maintained, and the scenery is varied and interesting throughout the 13+ miles. There are 5 aid stations for the half marathon, and each had a wide assortment of water, electrolytes, and snacks as well as support from great volunteers.

    Overall I had a fantastic time despite being not quite up to the challenge physically, and I’m looking forward to giving it another shot next year with more training under my belt.

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    vic FIRST-TIMER '22

    This is a very challenging course, specially for first timers. Don't let the hills intimidate you, you can do it! Only downside was the shared trail at one portion of … MORE

    This is a very challenging course, specially for first timers. Don’t let the hills intimidate you, you can do it! Only downside was the shared trail at one portion of the course with runners going in both directions. The staff was great, awesome swag and the photographers did an awesome job!

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    jrtaylor924 FIRST-TIMER '22

    This was my first ever trail race and it did not disappoint! The course was just challenging enough and the supportive community of runners kept me going the whole time. … MORE

    This was my first ever trail race and it did not disappoint! The course was just challenging enough and the supportive community of runners kept me going the whole time. Can’t wait for next year!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    Profile photo of Kathleen Hayes
    koolness003 REPEAT RUNNER '22

    Gorgeous trail run , with narrow paths, massive hills and aliens everywhere. Bring gaiters, and sun block, will 100 percent run this again .. one if my favorite trails runs MORE

    Gorgeous trail run , with narrow paths, massive hills and aliens everywhere. Bring gaiters, and sun block, will 100 percent run this again .. one if my favorite trails runs ever

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5
    My Media

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    dontforget FIRST-TIMER '22

    This was my first trail run, ever- including training. I had a blast. Legs and ankles were very sore upon finishing but it was well worth it. The setting was … MORE

    This was my first trail run, ever- including training. I had a blast. Legs and ankles were very sore upon finishing but it was well worth it.
    The setting was beautiful and unusual. Felt very much like an off planet backdrop at times. The tunnel was very cool.
    The lack of mile markers had me guessing how far along I’d gone but that may be a ‘trail run thing’?
    I am very much interested in returning to the future races for Space Rock

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    baezmom27 FIRST-TIMER '22

    Really tough 2nd half! Pushes you to your limit. Got me asking myself why I chose the 10K instead of the 5K. So glad I went for the longer route! MORE

    Really tough 2nd half! Pushes you to your limit. Got me asking myself why I chose the 10K instead of the 5K. So glad I went for the longer route!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    cshahin REPEAT RUNNER '22

    Race well organized. The volunteers at the aid stations friendly and outgoing. One of the volunteers made the best cookies. Will definitely do the race again next year. MORE

    Race well organized. The volunteers at the aid stations friendly and outgoing. One of the volunteers made the best cookies. Will definitely do the race again next year.

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

    1 member marked this review helpful. Agree?

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    Derz FIRST-TIMER '22

    I did not prepare for trail racing the way I should have but the 5K course was still a fun challenge. The scenery is awesome and conquering the course for … MORE

    I did not prepare for trail racing the way I should have but the 5K course was still a fun challenge. The scenery is awesome and conquering the course for the first time was a great accomplishment. I’ll definitely be back!

    DIFFICULTY
    3
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    4

    1 member marked this review helpful. Agree?

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    MasatoYokoyama REPEAT RUNNER '22

    Very challenging uphill to test your strength, but that makes you feel accomplished after finishing. Provided free photos are great for memories with nice natural background. MORE

    Very challenging uphill to test your strength, but that makes you feel accomplished after finishing.
    Provided free photos are great for memories with nice natural background.

    DIFFICULTY
    4
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    5
    My Media

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    Sempersniper REPEAT RUNNER '22

    Walkers need to stay to the right, runners to the left. Their timing is off by 3 minutes. Other than that, it’s definitely worth the time and $$. MORE

    Walkers need to stay to the right, runners to the left. Their timing is off by 3 minutes. Other than that, it’s definitely worth the time and $$.

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    4

    1 member marked this review helpful. Agree?

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    Devildog224 FIRST-TIMER '22

    I would highly recommend this race to anyone wanting to get into trail running marathons. Pre registration was simple and the staff was friendly. Race day was a blast and … MORE

    I would highly recommend this race to anyone wanting to get into trail running marathons. Pre registration was simple and the staff was friendly. Race day was a blast and the overall atmosphere on race day felt welcoming.

    DIFFICULTY
    4
    PRODUCTION
    3
    SCENERY
    5
    SWAG
    4

    1 member marked this review helpful. Agree?

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    hkvl REPEAT RUNNER '22

    I have done every Spacerock from the very beginning, and have loved it every time! The course itself is extremely challenging, but the scenery is well worth it. The race … MORE

    I have done every Spacerock from the very beginning, and have loved it every time! The course itself is extremely challenging, but the scenery is well worth it. The race production itself and the volunteers are top-notch! The course (at least the parts I saw during my 5k run) is fairly well marked, and it’s wonderful to have enthusiastic volunteers and photographers along the way. I plan on coming back every year and hope to see Spacerock long into the future!

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    4

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    craigcat1 REPEAT RUNNER '22

    Super tough terrain with so much elevation change but so rewarding and fun! Love the trails and love the support and enthusiasm from all the volunteers. I've run this half … MORE

    Super tough terrain with so much elevation change but so rewarding and fun! Love the trails and love the support and enthusiasm from all the volunteers. I’ve run this half since the inaugural race and will keep coming back, awesome race!

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    4
    SWAG
    4

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    Profile photo of Hailey Hansen Clark
    hailey_j11 FIRST-TIMER '22

    It was beautiful scenery and weather. The trail had a very difficult uphill section that tricked me since it wasn’t visible for the first part of the uphill. But I … MORE

    It was beautiful scenery and weather. The trail had a very difficult uphill section that tricked me since it wasn’t visible for the first part of the uphill. But I am dying to do it again next year to see if I can improve my time. Absolutely gorgeous. A well organized race. Food was good at the end. I am a first time racer and it definitely got me hooked. Can’t wait for my next one.

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    5

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    Profile photo of Laurie Hendron
    laurie-hendron FIRST-TIMER '22

    Wow! Definitely a very challenging race with a lot of climbing. But I loved every minute of it. The terrain was so beautiful in a stark, rocky way. The aid … MORE

    Wow! Definitely a very challenging race with a lot of climbing. But I loved every minute of it. The terrain was so beautiful in a stark, rocky way. The aid stations were top notch with snacks and drinks suitable for an ultra along with friendly and energetic volunteers. I loved the race shirt but do wish it was sized better. The small swam on me and I’m not that small. The medal is one of my all time favorites.

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5
    My Media

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    j2loftus REPEAT RUNNER '22

    A Trail runner's delight. Challenging course and gorgeous scenery. Super fun theme and well organized event. 10K course will be different next year in order to avoid the single track … MORE

    A Trail runner’s delight. Challenging course and gorgeous scenery. Super fun theme and well organized event. 10K course will be different next year in order to avoid the single track up and back traffic. New 15K distance will be added which is very unique. I’ve run the 10K twice and plan to run the half (which is closer to 14 miles) next year. Can’t wait!

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    4

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    [email protected] REPEAT RUNNER '22

    Show up for the scenery and experience. Don't look up too far, stay focused on the present and you will survive an outer world trail race. If you like a … MORE

    Show up for the scenery and experience. Don’t look up too far, stay focused on the present and you will survive an outer world trail race. If you like a challenge and feeling satisfied at finishing what you started, then register. Above all, run happy. Happy trails.

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    4
    SWAG
    4
    My Media

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    RunnerGirl REPEAT RUNNER '22

    The unique rock formations are totally rad. The race has a low key, local feel. The medals are awesome and I get lots of use from the sturdy, colorful, drop … MORE

    The unique rock formations are totally rad. The race has a low key, local feel. The medals are awesome and I get lots of use from the sturdy, colorful, drop bag. The hills are hard, so prepare to climb! The real race starts at the 5K mark.
    The free race pics are quite epic! This is an unforgettable event.

    DIFFICULTY
    5
    PRODUCTION
    4
    SCENERY
    5
    SWAG
    4
    My Media

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    briansbrain REPEAT RUNNER '22

    Been doing this race since the inaugural one. Tough course but love the terrain, rock formations, the tunnel, etc. Very fun vibe. Atmosphere. Friendly staff. I’m not a runner per … MORE

    Been doing this race since the inaugural one. Tough course but love the terrain, rock formations, the tunnel, etc. Very fun vibe. Atmosphere. Friendly staff. I’m not a runner per se but I enjoy it just the same.

    DIFFICULTY
    4
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5
    My Media

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    rosales.maria11 FIRST-TIMER '22

    Train for this race, never miss a hill when doing so, and charge your phone to take lots of pictures. It's ok to hike and walk some sections of the … MORE

    Train for this race, never miss a hill when doing so, and charge your phone to take lots of pictures. It’s ok to hike and walk some sections of the course.

    DIFFICULTY
    5
    PRODUCTION
    5
    SCENERY
    5
    SWAG
    5

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