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Colorado marathons

Marathons in Colorado

16 upcoming marathons in Colorado listed by date, with cities, start times, and entry fees. Find a marathon near you and register.

16
upcoming races
1
cities with 3+
4:22:49
typical finish

Other distances

October 2026

November 2026

March 2027

May 2027

June 2027

August 2027

Marathon results in Colorado

From 9 marathons with official results in the last two years, 3,314 finishers in all.

Typical marathon times by age and gender

4:22:49
typical finish
10:01 /mi
typical pace
168
finishers in a typical race
4:34:31
women, typical finish
4:12:33
men, typical finish
under 3:21:34
the fastest tenth

Entry for upcoming marathons in Colorado usually runs from $78 to $130, with a typical fee of $120 before processing fees.

Typical times are the middle finisher across these races, weighted by field size. School meets, stair climbs, and results with timing errors are left out.

Fastest marathons in Colorado

  1. 1The Long View MarathonFort Collins · median 4:18:37 · 168 finishers in 2025
  2. 2The Colorado MarathonFort Collins · median 4:22:49 · 1,191 finishers in 2026
  3. 3Aspen Valley MarathonAspen · median 4:23:04 · 190 finishers in 2026
  4. 4The Steamboat MarathonSteamboat Springs · median 4:24:12 · 344 finishers in 2026
  5. 5Staunton Rocks! Marathon and Half MarathonPine · median 6:35:20 · 79 finishers in 2026

Biggest marathons in Colorado

  1. 1The Colorado MarathonFort Collins · 1,191 finishers in 2026
  2. 2The Steamboat MarathonSteamboat Springs · 344 finishers in 2026
  3. 3Aspen Valley MarathonAspen · 190 finishers in 2026
  4. 4The Long View MarathonFort Collins · 168 finishers in 2025
  5. 5Staunton Rocks! Marathon and Half MarathonPine · 79 finishers in 2026
When marathons happen in Colorado