St. Peters
Triathlon Calendar near St. Peters 2026-2027
Monthly updates for St. Peters
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near St. Peters for 2026-2027! We've gathered 5 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.
St. Louis Triathlon at Creve Coeur Park on June 27, 2027 is a USAT sanctioned state championship offering sprint and Olympic formats, relays, a 6K run, and a finish festival.
July 2027
USAT sanctioned Ballwin Triathlon on July 18 2027 features a 300 yard pool swim, 9 mile bike and 3.4 mile run with single, relay and double options.
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 St. Peters
Get new running races (and updates) in your inbox every month.