mtb

2026 Colorado Trail Race

Colorado, United States · 2 August 2026

Difficulty: 5/5 — Brutal

Spanning 540 miles of rugged Rocky Mountain terrain, this legendary ultra-bikepacking event features over 70,000 feet of climbing. With hundreds of miles of singletrack reaching altitudes up to 13,200 feet, it is one of the most grueling self-supported mountain bike challenges in the world.

Visit official site →
Distances
540 miles
Elevation
21,336 m
Surface
singletrack, dirt
Typical W/kg
3.5–4.8

Rider fit

Who it's for

This event is designed for seasoned, self-sufficient ultra-endurance mountain bikers who are comfortable navigating remote, high-altitude alpine backcountry.

Who will struggle

Riders who struggle with hypoxic elevations, severe weather exposure, long technical descents, and extensive hike-a-bike sections will find this race exceptionally difficult.

Training focus

Your training should prioritize high-volume aerobic capacity, loaded high-altitude climbing, technical singletrack handling, and core strength for pushing a loaded bike up steep peaks.

Are you ready for this race?

Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.

FAQs

What is the total distance and elevation gain of the Colorado Trail Race?+

The race covers approximately 540 miles (869 km) with a massive 70,000 feet (over 21,300 meters) of elevation gain.

What kind of riding surface can I expect?+

You will encounter over 300 miles of technical singletrack, with the remaining route consisting of dirt roads, doubletrack, and detour sectors.

Is there any support or race infrastructure provided?+

No. The CTR is a completely self-supported individual time trial with no entry fee, no checkpoints, no aid stations, and no prize money.

At what altitude does the race take place?+

The elevation of the route varies significantly, ranging from 5,500 feet to a hypoxic peak of 13,200 feet above sea level.

What kind of weather should I prepare for?+

Riders must be prepared for extreme mountain weather swings, including intense high-altitude sun, heavy rain, lightning strikes, and sudden alpine hailstorms.

Similar races

Pisgah 555

📍 North Carolina, United States

mtb
Date
3 October 2026
Distance
39.7 miles
Elevation
2,233 m
Difficulty

Iditarod Trail Invitational

📍 Alaska, United States

mtb
Date
28 February 2027
Distance
150 miles · 350 miles · 1000 miles
Difficulty

Pisgah 111 MTB Race

📍 North Carolina, United States

mtb
Date
3 October 2026
Distance
65.1 miles
Elevation
3,109 m
Difficulty

Browse more