The Fittest 5k

The Fittest 5k by Fitness Coliseum

The event on 08/22/2026 in Owosso, Michigan, at 210 S Water St is a 5k that alternates running sections with functional fitness tests. Each athlete completes the full distance while stopping between runs to perform prescribed movements. Participants may run, walk, or use a combination of both for the distance.

There are two divisions. The "Competitive" division uses set weights, box heights, and movement standards differentiated for men and women. The "Here for a Good Time" division allows athletes to choose weights, modify movements, or substitute step ups for box jumps. Weights listed for the competitive division use men/women values.

The 2026 format alternates runs and tests in the following sequence: 800 m run, 20 pull ups, 400 m run, 20 double dumbbell squats (35/25), 400 m run, 15/12 calorie ski, 400 m run, 20 box jumps, 400 m run, 15/12 calorie row, 400 m run, 200 m farmers carry (53/35), 400 m run, 20 single DB lunges (50/40), 400 m run, 20 plate touches (45/35), 400 m run, 20 burpees, 800 m run.

Participants start in heats of 3 to 5 athletes staggered by 3 minutes; final heat assignments are released the Wednesday prior to the event. Registration opens 05/22/2026 and closes 07/22/2026, with a fee of $50.00. Registered athletes who register by August 7 are guaranteed an event tank in men's and women's options.

Awards include top three places for men and women in each division, masters (50+) competitive winners, and a youth first place for under 18. Visit the organization's website for the most recent information.