from $59
RegisterRace calendar
Triathlons in October 2027
21 triathlons, duathlons and aquabikes across 14 states in October 2027: 16 sprint, 10 olympic, 3 half iron, 2 kids, 11 duathlon. 15 swim in open water and 4 in a pool. Dates and fees come from race registration and refresh every night.
21
races in October
14
states
4
with a pool swim
$59
typical entry fee
Other months
October triathlons by state
Saturday, October 2
Sandling Beach Triathlon
Wake Forest, North Carolina8:00 AM startOpen water swim
from $85
RegisterWaterman's Triathlon Festival
Rock Hall, Maryland8:00 AM startOpen water swim
from $114
RegisterZarzaur Law Santa Rosa Island Triathlon
Pensacola Beach, Florida7:00 AM startOpen water swim
from $100
RegisterTRI-It Racing Clubs Du Kona Multi-sport Series
Guthrie, Oklahoma9:00 AM startOpen water swim
from Free
Register
from $100
Register
from $50
RegisterSunday, October 3
Playtri Fort Worth Triathlon & Run-Bike-Run II.
Fort Worth, Texas7:30 AM startOpen water swim
from $34
Register2027 Cal Tri LA - 10.3.27
Playa Del Rey, California8:00 AM startOpen water swim
Sprint TriathlonOlympic TriathlonDuathlonAquabikeSwimRun1 Mile5K10KOtherRolling bikeWater about 68°F
from $38.86
RegisterSaturday, October 9
The Atomic Multisport Event by Personal Best Racing
Lenoir City, Tennessee7:45 AM startOpen water swim
from $79
RegisterPleasants Landing Triathlon
Bumpass, Virginia9:00 AM startOpen water swim
from $114
RegisterSunday, October 10
Lake Lanier Island Sprint Triathlon
Buford, Georgia7:30 AM startOpen water swim
from $115
RegisterShe Tris Sprint Triathlon - Chapel Hill (NC)
Chapel Hill, North Carolina7:30 AM startPool swim
from $105
RegisterLatitude-Fall Triathlon
Port Bolivar, Texas7:20 AM startOpen water swim
from $38.50
Register
from $55
RegisterSaturday, October 16
AdventHealth Great Floridian Multisport Festival
Clermont, Florida7:30 AM startOpen water swim
from $39
Register
from $35
RegisterSunday, October 17
Saturday, October 23
Live Wildly Open Water Team Challenge, Celebrating Worlds Swim Day
Saint Pete Beach, Florida7:15 AM startOpen water swim
AquathlonOther
from $50
RegisterThe Edisto Island Triathlon Pro-Am
Edisto Island, South Carolina8:00 AM startOpen water swim
from $150
RegisterSunday, October 24
2027 Cal Tri Lake Havasu - 10.24.27
Lake Havasu City, Arizona7:30 AM startOpen water swim
from $33.86
RegisterThe page shows the next October to come. Races appear as their organizers open registration, so later months fill in through the winter.