from $15
RegisterMissouri triathlons
Triathlons in Missouri
7 upcoming triathlons in Missouri listed by date, with cities, start times, and entry fees. Find a triathlon near you and register.
7
upcoming races
0
cities with 3+
Other distances
October 2026
May 2027
C26 Kansas City Triathlon
Kansas City, Missouri7:30 AM start
from $90
RegisterJune 2027
Innsbrook Triathlon
Wright City, Missouri7:00 AM startOpen water swim
from $75
RegisterJuly 2027
Finley River Triathlon | Duathlon
Ozark, Missouri7:00 AM startOpen water swim
from $60
RegisterAugust 2027
2027 Matt Mason "Cowboy UP" Triathlon/Duathlon
Smithville, Missouri7:00 AM startOpen water swim
from $85
Registerfrom $80
RegisterSeptember 2027
370 Lakeside Triathlon
Saint Peters, Missouri6:45 AM startOpen water swim
from $30
Register