2027 Matt Mason "Cowboy UP" Triathlon/Duathlon
Smithville, Missouri7:00 AM startOpen water swim
from $85
RegisterMissouri half iron triathlons
Half Iron Triathlons in Missouri
2 upcoming half iron triathlons in Missouri listed by date, with cities, start times, and entry fees. Find a half iron triathlon near you and register.
2
upcoming races
0
cities with 3+
Other distances
August 2027
September 2027
370 Lakeside Triathlon
Saint Peters, Missouri6:45 AM startOpen water swim
from $30
Register