Millerton Madness Triathlon
Friant, California7:00 AM startOpen water swim
from $60
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.
August 2027
The ROC Triathlon presented by TruePath Racing
Rochester, New York3:00 PM startOpen water swim
from $25
Register18th Annual Fawn Lake Adult and Youth Triathlons
Spotsylvania, Virginia7:30 AM startPool swim
from $50
Register2027 Cal Tri Charlottesville - 8.29.27
Charlottesville, Virginia8:00 AM startPool swim
from $23.86
RegisterLakes Country Triathlon
Baxter, Minnesota8:30 AM startOpen water swim
Sprint TriathlonWater about 73°F
from $75
RegisterHero Hustle Sprint Triathlon & Duathlon
Manchester, Iowa9:00 AM startOpen water swim
from $75
Register
from $64
RegisterBarbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women
Nevada City, California9:00 AM startOpen water swim
from $40
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.