Kansas Triathlon Calendar 2025-2026

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Explore the best triathlons in Kansas for 2025-2026! Our updated list features 133 exciting races across the region. Find your next race in Kansas below and join the running community at these great events!

April 2025
Apr
12
Saturday

The Eternal Damnation Backyard

Backyard Ultra 6 km
Apr
12
Saturday

Mile 0 Flint Hills Trail Race

Trail Run 10 mi 20 mi 50 km
Apr
12
Saturday

Flint Hills 50 and Marathon

Trail Run 26 mi 50 mi
Apr
12
Saturday

Kansas Mennonite Relief Sale - Run/Walk for Relief

5 km
Apr
12
Saturday

Old School Bunny Hop

5 km
Apr
12
Saturday

Carry Your Cross 10K

Trail Run 10 km
Apr
12
Saturday

Jana Jordan Memorial 5K Run/Walk

5 km
Apr
12
Saturday

Tough Camper

Obstacle Run 3 km 5 km
Apr
13
Sunday

Grace Hill Wine Run 5k

5 km
Apr
19
Saturday

DoNot Stop Half Marathon - Kansas City

5 km 10 km 13 mi
Apr
19
Saturday

Eisenhower Marathon

5 km 10 km 13 mi 26 mi
Apr
19
Saturday

Flatrock 101

Trail Run 5 km 12 km ... 50 km 101 km
Apr
19
Saturday

Kansas Relays 5K

5 km
Apr
19
Saturday

Easter Egg 10K

5 km 10 km
Apr
19
Saturday

Easter Sun Run

2 mi 10 km
Apr
20
Sunday

Iron Will Grand Slam

Backyard Ultra 100 mi
Apr
25-27
Fr - Su

Earth Day Buckle Mania

Backyard Ultra 50 km 50 mi ... 150 mi 200 mi
Apr
26
Saturday

Garmin Olathe Marathon

10 km 13 mi 26 mi
Apr
26
Saturday

Run for the Roses - Manhattan

5 km
Apr
26
Saturday

Emma Creek Classic 5K

5 km
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