OTILLO Swimrun Colorado 2027
- Date
- Sunday, September 26, 2027
- Start time
- 7:00 AM start (Denver)
- Location
- Fort Collins, Colorado
- Entry fee
- From $200 · goes up to $225 on Nov 20, 2026
- Included with entry
- Includes a shirt
Registration is open.
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Experience Solo | Aquathlon | Sep 26, 20277:00 AM | $200$225 after Nov 20, 2026 | – |
| Experience Team | AquathlonRelay or team | Sep 26, 20277:00 AM | $300$350 after Nov 20, 2026 | – |
| Sprint Solo | Aquathlon | Sep 26, 20277:00 AM | $200$225 after Nov 20, 2026 | – |
| Sprint Team | AquathlonRelay or team | Sep 26, 20277:00 AM | $300$350 after Nov 20, 2026 | – |
| World Series Solo | Aquathlon | Sep 26, 20277:00 AM | $300$325 after Nov 20, 2026 | – |
| World Series Team | AquathlonRelay or team | Sep 26, 20277:00 AM | $475$525 after Nov 20, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Aquathlon fee goes up to $225 on Nov 20, 2026.
Race day planning
Entry fee schedule
- Experience Solo and Sprint Solo: $200 until Nov 20, then $225 until Dec 1, then $250 until Jun 1, then $275 until Sep 1, then $300 until Sep 26.
- Experience Team and Sprint Team: $300 until Nov 20, then $350 until Dec 1, then $375 until Jun 1, then $400 until Sep 1, then $475 until Sep 26.
- World Series Solo: $300 until Nov 20, then $325 until Dec 1, then $350 until Jun 1, then $400 until Sep 1, then $475 until Sep 26.
- World Series Team: $475 until Nov 20, then $525 until Dec 1, then $575 until Jun 1, then $625 until Sep 1, then $700 until Sep 26.
Online registration closes Sep 26, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 6:50 AM, and the Experience Solo starts at 7:00 AM. The start sits about 5,100 feet above sea level, high enough that most athletes from lower ground race noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
614-624 N Co Rd 23, 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)Sprint Team
World Series Team
Sprint Solo
Aggregated from official results for OTILLO Swimrun Colorado. Individual finisher names are not stored here.
How fast do you need to be at OTILLO Swimrun Colorado?
At the 2026 Sprint Team, the fastest tenth finished in 3:14:46 or better, the top quarter in 3:40:59, and half the field in 3:53:41; the last tenth came in after 4:43:13.
At the 2026 World Series Team, the fastest tenth finished in 4:57:36 or better, the top quarter in 6:03:16, and half the field in 6:16:21; the last tenth came in after 7:13:40.
At the 2026 Sprint Solo, the fastest tenth finished in 2:37:41 or better, the top quarter in 3:03:51, and half the field in 3:28:51; the last tenth came in after 4:27:51.
| Age | Women | Men |
|---|---|---|
| 30-39 | 3:44:18 | 3:23:54 |
| 40-49 | 3:33:03 | 3:43:37 |
| 50-59 | 3:55:15 | n/a |
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
Up 72 percent since 2025.
All events combined, from official results.
OTILLO Swimrun Colorado Aquathlon year by year
From 2025 to 2026, the field went from 26 to 54 finishers, and the median time rose from 3:18:56 to 3:53:41.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 54 (+108%) | 3:53:41 | under 3:14:46 | 2:51:02 |
| 2025 | 26 | 3:18:56 | under 2:45:53 | 2:35:30 |
From each year's official results for the Aquathlon; virtual options are left out.
Typical race-day weather
Around September 26 the day usually runs from 48°F at dawn to 74°F in the afternoon, with measurable rain on about 14% of days. Cold snaps dip to 43°F and hot years reach 82°F.
Based on 76 days within a week of the date over the last 6 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 614-624 N Co Rd 23, Fort Collins, CO 80521Map
- Course
- Road
- Start elevation
- About 5,100 feet
- Results posted by the race
- 2018 Results, 2019 Results, 2021 Results
- Included with entry
- Please Select Your Unisex Shirt Size
- Distances
- Aquathlon
- Editions
- 2027 (Sep 26, 2027), 2026 (Oct 4, 2026), 2025 (Oct 5, 2025)
Organize this race? Add details or a correction
Quick answers
- When is OTILLO Swimrun Colorado?
- Sunday, September 26, 2027, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $200 before processing fees, and rises to $225 on Nov 20, 2026.
- When does registration close?
- Online registration closes Sep 26, 2027, unless the race fills first.
- Do athletes 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.
- What distances are offered?
- Aquathlon.
- How big is it, and how fast?
- In 2026, 54 athletes finished the Sprint Team; the median finish was 3:53:41 and the winner finished in 2:51:02.
- Where does it start?
- 614-624 N Co Rd 23, Fort Collins, CO 80521.
From the organizers
VISIT OUR RACE WEBSITE - CLICK HERE