Indiana Triathlon Calendar 2025-2026

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Explore the best triathlons in Indiana for 2025-2026! Our updated list features 298 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!

April 2026
Apr
11
Saturday

Victory Marathon

5 km 21 km 42 km
Apr
18
Saturday

Carmel Marathon

5 km 10 km 21 km 42 km
Apr
18
Saturday

Friends of McCormick's Creek 5K

5 km
Apr
18
Saturday

Run for Justice 10K

5 km 10 km
Apr
18
Saturday

Race Against the Shake

5 km
Apr
18
Saturday

Travis Russell Run-a-Thon

5 km
Apr
25
Saturday

Choose To Move

5 km
Apr
25
Saturday

Earth Day 5k - La Porte

5 km
Apr
25
Saturday

Wakarusa Maple Syrup Festival 5K

5 km
May 2026
May
2
Saturday

Daly Dash

5 km
May
2
Saturday

5K on the Runway

5 km
May
2
Saturday

500 Festival Running Event

5 km 13 mi
May
2
Saturday

The Shepherd's Hand Community 5k

5 km
May
9
Saturday

Thunder in the Valley

Triathlon
May
9
Saturday

Stepping on Stigma 5K

5 km
May
16
Saturday

Armed Forces Endurance Run

Backyard Ultra 6 hr 12 hr 24 hr
May
16
Saturday

Red Devil Dash

5 km
May
16
Saturday

Family Readiness 5K Run

5 km
May
16
Saturday

Surviving the Color

5 km
May
16
Saturday

Run With Shears

5 km
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