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Built on bad decisions in Boulder, CO.

Winter Park Trail Runs 21K

Draft Listing
  1. Gemini Adventures
  2. 2026 Edition

Big-mountain singletrack in a half-marathon package at high altitude

Directions
Register

Nearby races

Other trail races within 45 miles

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All trail races in Colorado→
August 01, 2026
Saturday start
Winter Park, CO
United States
13.4 miles
Point to Point Course
2,450 ft
Elevation Gain
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Challenging
Some ultra experience recommended
Links
WebsiteInstagramFacebookYouTube

What Makes It Great

A mountain half-marathon that shares the early miles with the 50K field before splitting onto a curated loop of rolling singletrack and smooth dirt roads. Starting at Winter Park Resort, the course climbs through shaded forest and alpine terrain with sweeping high-country views, then loops back toward town on flowing descents. The final miles deliver a fast, scenic finish into downtown Winter Park — all the mountain magic of the 50K in a more approachable package.

Difficulty

Intermediate
4/10

Some ultra experience recommended

High Altitude
Steep Climbing
Variable Weather

Finish Awards

Finisher Award
All finishers receive an award
Age Group Award
Men's and women's top finishers recognized in six age categories

Winter Park Trail Runs 21K

Winter Park, CO, United StatesAugust 01, 2026

August 01, 2026
Course map for Winter Park Trail Runs 21K
DistDistance13.4 mi
GainElevation Gain2,450 ft
High AltitudeSteep ClimbingVariable Weather

Entry Timeline

Race DayAugust 01, 2026

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.

Terrain

Surface Types
Singletrack75%
Pavement15%
Forest Road10%
13.4 mi
Distance
Point to Point
Route
9,826 ft
Average Elevation
2,450 ft
Total Ascent
2,760 ft
Total Descent
11,030 ft
High Point
8,776 ft
Low Point
Course map
Launch Course Explorer

Aid Stations

LocationMileElevation
Start
Start
0.09,085 ft
Finish
Finish
14.08,776 ft

Sign in to see cutoffs, crew access, drop bags, and services for every aid station.

No Dogs Allowed
No on-site camping available

Crew Access Points

Pacer Rules

No Pacers Allowed

Crew Rules

No Crew Allowed
Weather
High Altitude

Course reaches 10,800 ft at its highest point; start elevation is 8,773 ft

Rapid Weather Changes

Colorado mountain weather is extremely unpredictable in August

Gear Rules

Trekking poles allowed

Required Gear

No required gear specified

Recommended Gear

No recommended gear specified

Videos & Race Reports

No videos or race reports available for this event yet.

Reviews

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Register•August 01, 2026