Defiance
Triathlon Calendar near Defiance 2026-2027
Monthly updates for Defiance
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Defiance for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
December 2026
An 8 hour off road adventure race near St Louis combining navigation, paddling, biking and running on a secret course with solo and team divisions.
June 2027
Innsbrook Triathlon on June 12, 2027 at Lionshead Beach offers lake swims, rolling bike routes and mixed-surface runs with USAT-sanctioned race formats.
July 2027
USAT sanctioned triathlon in Ballwin featuring a 300 yard swim, 9 mile bike and 3.4 mile run with single, relay, and double formats on July 18, 2027.
September 2027
A USAT‑sanctioned triathlon at 370 Lakeside Park offering distances from a 5K and sprints up to a half triathlon, with a beach swim, country‑road bike courses, and a finish festival.
Monthly updates for Defiance
Get new running races (and updates) in your inbox every month.