University of Okoboji Homecoming Races

JUL
18
2026
Multi-event race day around West Lake Okoboji featuring a triathlon for individuals or teams, plus a half-marathon, 10K and 5K. Cash prizes and custom medals are awarded to top finishers.
Sat 18 Jul 2026
13 miles 10 kilometers 4 miles 5 kilometers

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University of Okoboji Homecoming Races

The University of Okoboji Homecoming Races is a multi-event running and multisport weekend held around West Lake Okoboji and Arnolds Park. The event dates to 1978 and is held on the third Saturday in July. In 2024 the races drew over 1,200 athletes from 27 U.S. states and three countries.

Events include a triathlon that uses the waters of West Lake Okoboji and a transition area at the top of Preservation Plaza in Arnolds Park, plus road and trail races around the lake. Competitors may enter the triathlon individually or compete on teams of two to three people. Shuttle buses run from Arnolds Park Amusement Park to race start locations.

Distances and race types:

  • Triathlon: Swim 0.6 miles, Bike 18 miles, Run 3.8 miles
  • Team Triathlon: teams of 2 to 3 people
  • Half-Marathon: road and trail course around West Lake Okoboji
  • 10K: road and trail course around West Lake Okoboji
  • 5K: road and trail course around West Lake Okoboji

Prizes are offered for overall top finishers in several events and custom medals are awarded to the top three finishers in each age category. Visit the organization's website for the most recent information.

13 mi
Half-Marathon
10 km
10k
4 mi
Triathlon (run)
5 km
Triathlon (swim)
Triathlon (bike)
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