Bozeman Triathlon
Bozeman, Montana8:00 AM startOpen water swim
from $30
RegisterSpring 2027
Summer Triathlons 2027
169 summer triathlons across the US from June to August 2027. Race days typically run from 64°F at dawn to 82°F in the afternoon. A typical entry fee is $90. Dates and fees come straight from race registration and refresh every night.
169
summer triathlons
38
states
82°F
typical race-day high
$90
typical entry fee
Summer is peak triathlon season, with the most sprint and olympic races on the calendar and warm open water. Popular races sell out, so register early and watch for price increases.
June 2027
from $25
RegisterHudson Valley Triathlon Club Summer Tri Series
Mount Tremper, New York5:45 PM start
from $89
Registerfrom $100
RegisterTiconderoga Triathlon Festival
Ticonderoga, New York7:00 AM startOpen water swim
from $139
RegisterTurtleman Triathlon
Jupiter, Florida7:00 AM startOpen water swim
from $109
RegisterConneaut Lake Sprint Triathlon
Conneaut Lake, Pennsylvania7:30 AM startOpen water swim
Sprint TriathlonWater about 75°F
from $80
Register
from Free
RegisterCedar Hill Kids, Family and Try a Tri
Cedar Hill, Texas7:00 AM startPool swim
from $25
RegisterSunset Lake Triathlon #
Bridgeton, New Jersey8:00 AM startOpen water swim
from $50
Register
from $99
Register2027 Cal Tri Castaic Lake - 6.19.27
Castaic, California8:00 AM startOpen water swim
from $33.86
RegisterHuntington Lake Triathlon, 5k & 10k
Lakeshore, California8:30 AM startOpen water swim
from $50
RegisterMedical Lake- Trailblazer Triathlon/Duathlon/5K
Medical Lake, Washington1:00 PM startOpen water swim
from $25
RegisterNewport Sprint Triathlon
Newport, Rhode Island7:00 AM startOpen water swim
Sprint TriathlonWater about 63°F
from $85
Register2027 Lake Pflugerville Triathlon
Pflugerville, Texas7:25 AM startOpen water swim
from $45
RegisterPDX Triathlon Festival
Fairview, Oregon8:30 AM startOpen water swim
from $54
RegisterAlpha Win Hudson Valley Triathlon
Kingston, New YorkOpen water swim
from $49
RegisterTri Goddess Triathlon
Grass Lake, Michigan7:30 AM startOpen water swim
from $43
Register
from $55
RegisterIdeal Beach Triathlon
Elkhart, Indiana8:00 AM startOpen water swim
from $25
Register
from $64
RegisterBottomless Triathlon
Roswell, New Mexico8:00 AM startOpen water swim
from Free
RegisterWhitefish Lake Triathlon (Presented by Whitefish.com)
Whitefish, Montana8:00 AM startOpen water swim
Sprint TriathlonWater about 63°F
from $94
Register2027 Cal Tri La Crema - 6.27.27
Guerneville, California8:00 AM startOpen water swim
from $33.86
Register
from $25
RegisterThe Great Gatsby Triathlon
Port Washington, New York6:30 AM startOpen water swim
from $69
RegisterChattanooga Waterfront Triathlon
Chattanooga, Tennessee7:00 AM startOpen water swim
from $79
Register2027 Electrolit TriWaco Triathlon
Waco, Texas6:30 AM startOpen water swim
from $80
RegisterPleasant Prairie Triathlon
Pleasant Prairie, Wisconsin6:30 AM startOpen water swim
from $70
Register
from $139
RegisterAmes Triathlon, Duathlon, Aquabike
Ames, Iowa8:00 AM startOpen water swim
from $12
RegisterSan Diego International Triathlon & Waterfront 5.6K
San Diego, California6:35 AM startOpen water swim
from $34
RegisterJuly 2027
from $49
RegisterSouthern Tier Triathlon Club Summer Tri Series #2
Cassadaga, New York5:45 PM startOpen water swim
from $89
RegisterColumbia River Triathlon
Vancouver, Washington7:00 PM startOpen water swim
from Free
RegisterAnn Arbor Tri, Du, & Aquabike
Gregory, Michigan7:30 AM startOpen water swim
from $55
RegisterLitchfield Hills Triathlon
New Hartford, Connecticut7:30 AM startOpen water swim
from $129
RegisterDQ Triathlon, Duathlon, Aquabike, Aquathlon, & Super Sprint Triathlon at Vincentown *#
Vincentown, New Jersey8:00 AM startOpen water swim
from $70
RegisterQuick answers
- When are summer triathlons in the US?
- The season runs June to August. The busiest month is June, with 74 of the 169 races listed here; July has 46 and August has 49.
- What is the weather like for summer triathlons in the US?
- Across 169 of these races, race day typically runs from about 64°F at dawn to 82°F in the afternoon, with rain on about 26 percent of days. Most start early, close to the low.
- How much does a summer sprint triathlon cost?
- Current entry fees across the US usually run from $79 to $145, with a typical fee of $109 before processing fees. Most raise prices as race day nears.