Overall Rating
Overall Rating (1 Review)
4
(1 Rating)  (1 Review)
DIFFICULTY
4
SCENERY
5
PRODUCTION
4
SWAG
5
DISCONTINUED AFTER 2019 EVENT. —– Nestled at the foot of the Flatirons Mountains, Boulder, Colorado is a wildly popular home-base and vacation destination for triathletes. The city’s health-conscious culture, near-perfect weather and breathtaking natural environment made it an instant favorite from the first running. Boulder’s famous pedestrian-only Pearl Street Mall … MORE
Local Historical Weather (Jun 09):
  2019 2018 2017 2016 2015
 
H (°F)  68  90  91  88  87
L (°F)  53  60  58  59  57
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Recent reviews

    Profile photo of Jenny Burden
    jennypaul1987 FIRST-TIMER '16

    The swim course is the best IM swim course I've seen- a big one-loop square that allows lots of room to spread out. The bike is challenging, but the downhills … MORE

    The swim course is the best IM swim course I’ve seen- a big one-loop square that allows lots of room to spread out.

    The bike is challenging, but the downhills outweigh the uphills and you can get serious speed.

    The run is mostly shaded and has some hills, but the course is overall really nice and spectator friendly.

    Don’t underestimate the altitude. I came from Texas and although I normally perform really well at even higher altitudes, I was forced to DNF at mile 101 on the bike because of respiratory issues. Listen to your body and be prepared for it to do unexpected things. This race is great and I’m mad my body didn’t cooperate, but I was having an awesome time before that point!

    DIFFICULTY
    4
    PRODUCTION
    4
    My Report
    SCENERY
    5
    SWAG
    5

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