ÖTILLÖ Colorado USA

ÖTILLÖ Colorado USA

ÖTILLÖ Colorado USA is a swimrun event on October 4, 2026, held in the Fort Collins area with race activity around Horsetooth Reservoir and Lory State Park. The start and finish area is at the Soldier Canyon Event Facility in Bellvue. The event offers team and solo entries across three distances and combines open-water swims with trail runs through park terrain.

Distances and key metrics

• Colorado Experience - Total 6 mi, Swim 1.5 mi, Run 4.5 mi, Elevation 292 ft
• Colorado Sprint - Total 11 mi, Swim 3 mi, Run 8 mi, Elevation 944 ft
• Colorado World Series - Total 23.5 mi, Swim 5 mi, Run 18.5 mi, Elevation 2,091 ft

Mandatory race-provided items include a color coded swim cap, matching bib numbers, and a timing chip. Required athlete-provided gear includes a wetsuit, shoes to be worn the whole race, a whistle, a compression bandage, and a tether; mandatory items may be checked and lack of gear can lead to disqualification. Restube auto-inflating devices are required for solo racers.

Packet pickup is mandatory the day before at Runner’s Roost in Fort Collins; a race-morning pickup add-on may be available on a first-come basis. Parking near the race area is limited and there is a vehicle entry fee for park access for some arrivals. The event enforces a single finish cut-off time and maintains protocols for severe weather. Volunteers receive a shirt and a meal. Visit the organization's website for the most recent information.

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