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Boulder Ironman 70.3 - Bike Course

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Boulder Ironman 70.3
Swim Course
Bike Course
Run Course
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Bike 56 miles

The Boulder 5430 Triathlon bike course is comprised of two loops, with a total of 6 aid stations on the 56-mile course.

Elevation Total(ft)
Total Elevation 6,207
Elevation Gain 3,103
Elevation Loss 3,104
Start Elevation 5,196
Finish Elevation 5,196
Min. Elevation 5,055
Max. Elevation 5,702
Grade Average % Maximum %
Overall Grade 0.0  
Ascent 2.0 11.3
Descent -2.3 -12.1
Distance Distribution miles % of total
Distance 56 100%
Ascent 10 18%
Descent 10 17.5%
Flats 36 64.5%

 

Aid Stations: 3 aid stations. First aid station is located at mile 6Aid stations provide:

  • Gatorade Endurance bottles
  • water bottles