

OTILLO Swimrun Colorado 2026
- Date
- Sunday, October 4, 2026
- Start time
- 7:00 AM start (Denver)
- Location
- Fort Collins, Colorado
- Entry fee
- From $110
- Included with entry
- Includes a shirt
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Add to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Experience Solo | Aquathlon | Oct 4, 20267:00 AM | $110 | – |
| Experience Team | AquathlonRelay or team | Oct 4, 20267:00 AM | $185 | – |
| Sprint Solo | Aquathlon | Oct 4, 20267:00 AM | $250 | – |
| Sprint Team | AquathlonRelay or team | Oct 4, 20267:00 AM | $400 | – |
| World Series Solo | Aquathlon | Oct 4, 20267:00 AM | $390 | – |
| World Series Team | AquathlonRelay or team | Oct 4, 20267:00 AM | $650 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- Experience Solo: $110 until Oct 3.
- Experience Team: $185 until Oct 3.
- Sprint Solo: $250 until Oct 3.
- Sprint Team: $400 until Oct 3.
Online registration closes Oct 3, 2026, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 6:58 AM, and the Experience Solo starts at 7:00 AM.
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.
2025 results
All resultsSprint Solo
World Series Team
World Series Solo
Aggregated from official results (Negative Split Timing & 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 2025 Sprint Solo, the fastest tenth finished in 2:45:53 or better, the top quarter in 3:01:51, and half the field in 3:18:56; the last tenth came in after 4:19:32.
At the 2025 World Series Team, the fastest tenth finished in 5:15:39 or better, the top quarter in 5:41:40, and half the field in 6:13:33; the last tenth came in after 6:53:56.
At the 2025 World Series Solo, the fastest tenth finished in 4:46:33 or better, the top quarter in 4:55:43, and half the field in 6:02:34; the last tenth came in after 6:27:47.
| Age | Women | Men |
|---|---|---|
| 30-39 | n/a | 2:52:41 |
| 50-59 | n/a | 3:28:32 |
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 2025.
Typical race-day weather
Around October 4 the day usually runs from 47°F at dawn to 71°F in the afternoon, with measurable rain on about 11% of days. Cold snaps dip to 40°F and hot years reach 80°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
- 614-624 N Co Rd 23, Fort Collins, CO 80521Map
- Course
- Road
- Results posted by the race
- 2018 Results, 2019 Results, 2021 Results
- Included with entry
- Please Select Your Unisex Shirt Size
- Distances
- Aquathlon
- Editions
- 2026 (Oct 4, 2026), 2025 (Oct 5, 2025)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is OTILLO Swimrun Colorado?
- Sunday, October 4, 2026, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $110 before processing fees.
- When does registration close?
- Online registration closes Oct 3, 2026, 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 2025, 26 athletes finished the Sprint Solo; the median finish was 3:18:56 and the winner finished in 2:35:30.
- Where does it start?
- 614-624 N Co Rd 23, Fort Collins, CO 80521.
From the organizers
VISIT OUR RACE WEBSITE - CLICK HERE