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Triathlon Calendar near Nederland 2026-2027

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Explore the top triathlons near Nederland for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.

February 2027
Feb
7
Su

Old Man Winter Bike Rally & Run

Road Race Trail Run Multisport Mini Run/Bike Combo 5 km 23 mi RELAY - Mini Run 5k / Bik... 5 km 23 mi Run + Bike Combo 10 km 40 mi Olympic 10 km 40 mi
A winter gravel bike rally and trail run in Lyons, Colorado offering multiple run and ride distances, mixed terrain courses, and a public finish-line party with food and music.
June 2027
Jun
6
Su

Summer Vibes Bike Rally & Run Festival

Trail Run Duathlon 5 mi
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
Jun
12
Sa

Ironman 70.3 Boulder

Triathlon Middle distance 1.9 90 21.1 km
IRONMAN 70.3 Boulder is a 70.3 triathlon in Boulder, CO with a reservoir swim, hilly bike and run courses and racing at higher elevation.
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