United States
- Alabama 10
- Alaska 4
- Arizona 13
- Arkansas 3
- California 63
- Colorado 17
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 39
- Georgia 10
- Hawaii 5
- Idaho 11
- Illinois 24
- Indiana 13
- Iowa 14
- Kansas 6
- Kentucky 4
- Louisiana 2
- Maine 7
- Maryland 14
- Massachusetts 14
- Michigan 24
- Minnesota 11
- Mississippi 3
- Missouri 13
- Montana 8
- Nebraska 7
- Nevada 3
- New Hampshire 2
- New Jersey 20
- New Mexico 3
- New York 56
- North Carolina 25
- North Dakota
- Ohio 22
- Oklahoma 3
- Oregon 10
- Pennsylvania 23
- Puerto Rico 1
- Rhode Island 1
- South Carolina 11
- South Dakota
- Tennessee 17
- Texas 45
- Utah 21
- Vermont 1
- Virginia 28
- Washington 18
- West Virginia 3
- Wisconsin 28
- Wyoming 1
Triathlon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in the United States for 2026-2027! Our updated list features 681 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
November 2026
Weekend of triathlon events at Margaritaville Lake Resort Lake Conroe featuring a half iron race with a 1.2 mile swim, 56 mile bike and 13.1 mile run plus sprint and youth races.
A multisport event in St Petersburg, FL on 11/14/2026 offering sprint and international triathlon, duathlon, aqua-bike, and relay options with varied distances and entry fees.
A 39 mile triathlon at Pickwick Landing State Park combining a 30 mile bike, 3 mile kayak loop, and 6 mile mixed-surface run.
A multisport event at Avondale Aquatic Center offering triathlon and duathlon distances for individuals and relays. The race is USAT sanctioned and includes finisher awards, event shirts, and age group awards.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A swim and multisport festival at Lawrence Park Swim Club offering pool swims, aquathlons, triathlons, duathlons and virtual race options.
A simulated sprint triathlon at Merritt Clubs Downtown in Baltimore featuring a 750 m swim, 20 km bike, and 5 km run.
Triathlon, duathlon and aquabike races are held at Mirada Lagoon in San Antonio FL on November 15, 2026, with sprint, international and relay options.
A university triathlon and 5k in Goleta with a Campus Point swim, a two lap bike circuit on local roads, and a rolling 5k around the UCSB lagoon.
An adventure race in Central Arkansas on November 21, 2026, with a 4-hour sprint and a 12-hour course that require advanced navigation and offer team and solo divisions.
Two short triathlon options in Springville on November 21, 2026, with pool swims, indoor cycle-studio rides, lap runs, and a included unisex t-shirt.
Indoor triathlon at Oak Brook Park District for ages 12 and up combining 2000 m rowing, 2.5 miles cycling and a 1.25 mile run/walk with tiered registration fees.
An indoor triathlon at the RecPlex combining timed pool swim, spin bike, and treadmill run with equal scoring across the three disciplines.
A Cincinnati hill-climb event featuring run/walk/ruck, bike, and duathlon options with in-person and virtual entries and online registration.
Three day, 320 mile invitation only ultra endurance event on Hawaii Island with a swim, two long bike stages, and a double marathon run for 40 participants.
Black Friday endurance event on the FSX course with cycling and running distances, a $25 entry plus a 6-pack, relay options, and elapsed-time scoring.
A run-swim-paddle challenge in Lanikai on November 28, 2026, with Solo, Relay, and Team divisions; free entry with optional donations for participant items.
December 2026
A multi-discipline festival at Daytona International Speedway featuring triathlon, duathlon, aquabike, a festive 5K, and team relays across multiple distances.
Trail running, mountain biking, and an off-road duathlon on the bluffs near Minnesota City with multiple distance options and a 120-participant limit.
A winter map and compass adventure race near Merrill, WI on December 5, 2026 offering 3-hour and 6-hour courses for solo racers and teams.