The Dayton Triathlon & Multisport Festival

JUN
21
2026
A multisport festival at Buck Creek State Park Beach in Springfield Ohio offering triathlon duathlon aquabike aquathlon open swims and open runs for youth and adults. Event includes event tees finisher medals and a catered post race meal.
Sun 21 Jun 2026
1500m Open Swim Open 5k Run Open 10k Run Open 15k Run 1/3 Iron Triathlon

Always double-check with the organizer's website! This page may contain affiliate links.

The Dayton Triathlon & Multisport Festival and USA Triathlon Ohio State Championships

The Dayton Triathlon & Multisport Festival and the USA Triathlon Ohio State Championships is a multisport event held at Buck Creek State Park Beach in Springfield, Ohio. Packet pick up and the start and finish areas are at the beachfront across from the park office at 1976 Buck Creek Ln., Springfield, OH 45502. There is ample parking at the beachfront and restrooms on site; main race activity is staged in the far parking lot south of the park office.

The festival offers a wide range of race formats and distances across triathlon, duathlon, aquabike, aquathlon, open water swims, open runs, and youth triathlons. Youth and college discounts are applied at the end of the registration process.

  • Kids Mini Triathlon: 50m swim / 1 mile bike / 0.5 mile run

  • Kids Mighty Triathlon: 100m swim / 3 mile bike / 1 mile run

  • Beginner triathlon: 300m swim / 8 mile bike / 1.5 mile run

  • Sprint triathlon: 750m swim / 13 mile bike / 5k run

  • Olympic triathlon: 1500m swim / 27 mile bike / 10k run

  • 1/3 Iron triathlon: 2000m swim / 40 mile bike / 9.3 mile run

  • Beginner duathlon: 1.5 mile run / 8 mile bike / 1.5 mile run

  • Sprint duathlon: 1.5 mile run / 13 mile bike / 5k run

  • Olympic duathlon: 5k run / 27 mile bike / 10k run

  • 1/3 Iron duathlon: 5k run / 40 mile bike / 9.3 mile run

  • Sprint aquabike: 750m swim / 13 mile bike only

  • Olympic aquabike: 1500m swim / 27 mile bike only

  • 1/3 Iron aquabike: 2000m swim / 40 mile bike only

  • Sprint aquathlon: 750m swim / 5k run only

  • Olympic aquathlon: 1500m swim / 10k run only

  • 1/3 Iron aquathlon: 2000m swim / 9.3 mile run only

  • Open water swims: 1500m, 3k, 5k

  • Open runs: 5k, 10k, 15k

Registered participants receive an event tee available in men's women's and youth cuts and a custom race bib. Registered participants who register at least two weeks in advance are guaranteed a shirt and a finisher medal. A catered post race meal for athletes and spectators is provided and includes items such as BBQ hot dogs beans corn soda and ice cream. Visit the organization's website for the most recent information.

15 km
Open 15k Run
10 km
Open 10k Run
5 km
Open 5k Run
1500m Open Swim
1/3 Iron Triathlon
3k Open Water Swim
5k Open Water Swim
Beginner Duathlon
Beginner Triathlon
Olympic Triathlon
Sprint Duathlon
Sprint Triathlon