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Triathlon Calendar near Red Feather Lakes 2025-2026

Explore the top triathlons near Red Feather Lakes for 2025-2026! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
17
Saturday

Samson's Revenge

Trail Run 10 km 27 km 55 km
June 2025
Jun
15
Sunday

Estes Park Marathon

5 mi 13 mi 26 mi
Jun
21
Saturday

Estes Park's Backyard Ultra

Backyard Ultra 4 mi
Jun
28
Saturday

Timberview Trail Run

Trail Run 5 km 5 mi 10 mi
August 2025
Aug
1-2
Fr - Sa

Rocky Mountain Half Marathon

5 km 13 mi
Aug
5-26
Tu - Tu

Lory Summer Trail Series

Trail Run 5 km 10 km 12 km
Aug
5
Tuesday

Eltuck Valley 5K

Trail Run 5 km
Aug
12
Tuesday

Into The Hills Eltuck 10K

Trail Run 10 km
Aug
19
Tuesday

Into The Hills Eltuck 5K

Trail Run 5 km
Aug
26
Tuesday

Eltuck Valley 12K Trail Series

Trail Run 12 km
September 2025
Sep
6
Saturday

Black Squirrel Half

Trail Run 13 mi
Sep
26-28
Fr - Su

Red Feather Trail Jamboree

Trail Run 13 mi 50 km 50 mi
October 2025
Oct
4
Saturday

Rocky's Backyard Ultra

Backyard Ultra 4 mi
December 2025
Dec
6
Saturday

Thumbs Up Vertical Challenge

Trail Run
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