Epic Races' Island Lake Triathlon, Duathlon, Aquabike
Brighton, Michigan7:30 AM startOpen water swim
from $44
RegisterSpring 2027
Summer Triathlons in Michigan
10 summer triathlons in Michigan from June to August 2027. Race days typically run from 61°F at dawn to 80°F in the afternoon. A typical entry fee is $75. Dates and fees come straight from race registration and refresh every night.
10
summer triathlons
10
cities
80°F
typical race-day high
$75
typical entry fee
June 2027
Tri Greenville Triathlon & Duathlon
Greenville, Michigan8:00 AM startOpen water swim
from $7
Register
from $35
RegisterGrand Rapids Triathlon
Ada, Michigan7:00 AM startOpen water swim
from $43
RegisterTri Goddess Triathlon
Grass Lake, Michigan7:30 AM startOpen water swim
from $43
RegisterJuly 2027
Ann Arbor Tri, Du, & Aquabike
Gregory, Michigan7:30 AM startOpen water swim
from $55
RegisterTridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Middleville, Michigan7:00 AM startOpen water swim
from $50
RegisterAugust 2027
from $75
RegisterChesaning Chamber of Commerce Dry-Tri
Chesaning, Michigan9:00 AM startOpen water swim
from $50
RegisterMichigan Titanium
Grand Rapids, Michigan7:00 AM startOpen water swim
from $49.67
RegisterQuick answers
- When are summer triathlons in Michigan?
- The season runs June to August. The busiest month is June, with 5 of the 10 races listed here; July has 2 and August has 3.
- What is the weather like for summer triathlons in Michigan?
- Across 10 of these races, race day typically runs from about 61°F at dawn to 80°F in the afternoon, with rain on about 27 percent of days. Most start early, close to the low.
- How much does a summer sprint triathlon cost?
- Current entry fees in Michigan usually run from $75 to $137, with a typical fee of $120 before processing fees. Most raise prices as race day nears.