United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 2
- California 57
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 40
- Georgia 2
- Hawaii 5
- Idaho 9
- Illinois 16
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 3
- Maine 5
- Maryland 13
- Massachusetts 7
- Michigan 15
- Minnesota 8
- Mississippi 4
- Missouri 12
- Montana 6
- Nebraska 7
- Nevada 2
- New Hampshire 2
- New Jersey 15
- New Mexico 4
- New York 46
- North Carolina 16
- North Dakota
- Ohio 12
- Oklahoma 3
- Oregon 10
- Pennsylvania 19
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 7
- Texas 41
- Utah 18
- Vermont 1
- Virginia 29
- Washington 13
- West Virginia 2
- Wisconsin 23
- 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 551 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
October 2026
A 30 hour adventure race at Diamond Lake Resort Oregon where four person teams compete across trekking, mountain biking and paddling with live tracking and category prizes.
Off road duathlon at Sadlers Creek featuring trail runs and a 10 mile bike loop on wide single track trails, with proceeds supporting New Foundations Home for Children.
Experience the Southern Utah Triathlon at Quail Creek Reservoir near St. George. Choose between Sprint and Olympic distances featuring a unique F1 format for intermediate racers in a scenic desert setting.
A half iron distance triathlon on Edisto Island featuring a tide assisted channel swim, a flat two loop bike, and a two loop run with frequent aid stations. Relay, aquabike, and a pro only division are offered.
A five-hour, score-based adventure race in Huntersville combining biking and trekking for solos or teams of up to 4, with checkpoints, maps, and compulsory navigation gear.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A multi-discipline event at Homochitto Campout on October 24, 2026 featuring a 5K run, 10 mile bike race and a 5 mile kayak or canoe race.
Triathlon at Lake Berryessa in Napa Valley featuring Open, Sprint, Olympic, and long course races set along valley vistas with local wildlife.
A sprint triathlon event at Berkeley Marina on October 24 2026 featuring draft legal and non draft-legal races plus team relays and wetsuit-recommended swim conditions.
A college hosted sprint triathlon at the NMSU Aquatic Center featuring run bike swim distances, relay teams, finisher medals, and awards with proceeds supporting the NMSU Triathlon Club.
Multisport triathlon in Del Rio, TX combining cycling, running and kayaking along San Felipe Creek with individual and team divisions and age-group awards.
An indoor aquathlon at Holly City Family Center on October 24, 2026 combining a timed lap swim, transition, and treadmill run with waves of eight and a T shirt included.
Open-water team relays and solo swim options in Saint Pete Beach on October 24, 2026, supporting the Florida Wildlife Corridor with breakfast included.
A half distance triathlon at Jones Beach with a sheltered swim in Zach's Bay, a flat closed bike on Wantagh Parkway and a boardwalk run along the Atlantic Ocean.
Rides & Strides at Rockland Lake State Park features a 5K, two cycling routes and a free kids run to raise funds for mammogram screenings for underinsured and uninsured people.
A sprint triathlon at Beachwalk Community in St Johns, FL on October 25, 2026 featuring a 1/4 mile swim, 8 mile bike and 3.1 mile run; event is sold out.
The 13th Annual Boo Bash Triathlon takes place October 25, 2026 at Portland Aquatic Center in Texas with three triathlon options from 7 to 17 miles. Registration runs February 1 to October 1 and fees vary by event.
A fall duathlon in Chalmette, Louisiana on October 25, 2026 with a 2 mile run, 10 mile bike, and 2 mile run. Registration runs April 13 to October 20 with a $32 fee and event T shirts for registrants.
A pool-based multisport event in Florence, AZ offering triathlon, aquabike, duathlon, youth races, and relays with chip timing, finisher medals, and a looped 12-mile bike course.
A point to point triathlon from Lake Mead to Wilbur Square in Boulder City the weekend before Halloween, offering Sprint, Olympic, aquabike and relay formats.