The Colorado Marathon 2027
- Date
- Sunday, May 2, 2027
- Start time
- 6:30 AM start (Denver)
- Location
- Fort Collins, Colorado
- Entry fee
- From $45 · goes up to $140 on Nov 1, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Half Marathon | Half Marathon | May 2, 20276:30 AM | $120$140 after Nov 1, 2026 | – |
| Marathon | Marathon | May 2, 20276:30 AM | $160$180 after Nov 1, 2026 | – |
| 10K | 10K | May 2, 20277:00 AM | $55$60 after Nov 1, 2026 | – |
| 5K | 5K | May 2, 20277:00 AM | $45$50 after Nov 1, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Half Marathon fee goes up to $140 on Nov 1, 2026.
Race day planning
Entry fee schedule
- Half Marathon: $120 until Nov 1, then $140 until Jan 1, then $160 until Mar 1, then $180 until Apr 29, then $200 until May 1.
- Marathon: $160 until Nov 1, then $180 until Jan 1, then $205 until Mar 1, then $225 until Apr 29, then $250 until May 1.
- 10K: $55 until Nov 1, then $60 until Jan 1, then $65 until Mar 1, then $70 until Apr 29, then $75 until May 1.
- 5K: $45 until Nov 1, then $50 until Jan 1, then $55 until Mar 1, then $60 until Apr 29, then $65 until May 1.
Online registration closes May 1, 2027, unless the race fills first.
How the price compares
At $160, entry is about 33 percent above a typical marathon in Colorado, which costs $120 right now.
What a typical finish looks like
A typical finisher at a marathon in Colorado runs 4:22:49, about 10:01 a mile, based on 6 races with published results. Women typically finish in 4:34:31 and men in 4:12:33.
Light and altitude
Sunrise on race morning is at about 5:59 AM, and the Half Marathon starts at 6:30 AM. The start sits about 5,100 feet above sea level, high enough that most runners from lower ground run noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
301 Maple St., Fort Collins, CO 80521
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (2 years)Half Marathon
Marathon
10K
Aggregated from official results (Bighorn Racing) for The Colorado Marathon. Individual finisher names are not stored here.
How fast do you need to be at The Colorado Marathon?
At the 2026 Half Marathon, the fastest tenth finished in 1:44:51 or better, the top quarter in 1:57:09, and half the field in 2:14:19; the last tenth came in after 2:55:48.
At the 2026 Marathon, the fastest tenth finished in 3:19:19 or better, the top quarter in 3:47:04, and half the field in 4:22:49; the last tenth came in after 5:38:08.
At the 2026 10K, the fastest tenth finished in 51:15 or better, the top quarter in 57:58, and half the field in 1:05:16; the last tenth came in after 1:32:08.
| Age | Women | Men |
|---|---|---|
| Under 20 | 1:59:07 | 2:08:44 |
| 20-29 | 1:28:36 | 1:18:26 |
| 30-39 | 1:23:27 | 1:22:55 |
| 40-49 | 1:43:46 | 1:29:54 |
| 50-59 | 1:51:50 | 1:28:55 |
| 60-69 | 1:52:56 | 1:46:56 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
Finishers by year
About the same size since 2025.
All events combined, from official results.
The Colorado Marathon Half Marathon year by year
From 2025 to 2026, the field went from 1,355 to 1,333 finishers, and the median time rose from 2:11:45 to 2:14:19.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 1,333 (-2%) | 2:14:19 | under 1:44:51 | 1:11:12 |
| 2025 | 1,355 | 2:11:45 | under 1:44:00 | 1:06:12 |
From each year's official results for the Half Marathon; virtual options are left out.
How fast is it?
About average for Colorado half marathons
The fastest quarter of the 2026 half marathon field finished under 1:57:09, against 1:56:43 in a typical Colorado half marathon, so times here are about average.
- Marathon: About average for US marathons. The fastest quarter of the 2026 marathon field finished under 3:47:04, against 3:52:43 in a typical US marathon, so times here are about average.
- 10K: Slower than most Colorado 10Ks. The fastest quarter of the 2026 10K field finished under 57:58, against 55:16 in a typical Colorado 10K, so times here run 5 percent slower.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around May 2 the day usually runs from 36°F at dawn to 61°F in the afternoon, with measurable rain on about 40% of days. Cold snaps dip to 30°F and hot years reach 70°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 301 Maple St., Fort Collins, CO 80521Map
- Course
- Road
- Start elevation
- About 5,100 feet
- Included with entry
- Short Sleeve Technical T-Shirt
- Donations
- Accepted when you register
- Distances
- 5K, 10K, Half Marathon, Marathon
- Editions
- 2027 (May 2, 2027), 2026 (May 2, 2026), 2025 (May 3, 2025), 2024 (May 5, 2024), 2023 (May 7, 2023), 2022 (May 1, 2022)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is The Colorado Marathon?
- Sunday, May 2, 2027, starting at 6:30 AM.
- How much does it cost?
- Entry starts at $45 before processing fees, and rises to $140 on Nov 1, 2026.
- When does registration close?
- Online registration closes May 1, 2027, unless the race fills first.
- Is the entry fee high for Colorado?
- At $160, entry is about 33 percent above a typical marathon in Colorado, which costs $120 right now.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K, 10K, Half Marathon, Marathon.
- How big is it, and how fast?
- In 2026, 1,333 runners finished the Half Marathon; the median finish was 2:14:19 and the winner ran 1:11:12.
- Is it a fast course?
- The fastest quarter of the 2026 half marathon field finished under 1:57:09, against 1:56:43 in a typical Colorado half marathon, so times here are about average.
- Where does it start?
- 301 Maple St., Fort Collins, CO 80521.
From the organizers
Join us for the Colorado Marathon in Fort Collins next May! Our annual event takes place in the stunning Poudre Canyon and the gorgeous natural areas of Fort Collins in Northern Colorado.
Each year, thousands of runners participate in this incredible event to test their endurance, push themselves to new heights, set new PRs, and race alongside other running enthusiasts who share a passion for health and fitness. Many even run Colorado’s fastest race to qualify for the Boston Marathon! Regardless of why you join us at this momentous event, we’re happy to have you!