United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 60
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 44
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 22
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 16
- New Mexico 4
- New York 49
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 5
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 11
- South Dakota 2
- Tennessee 15
- Texas 49
- Utah 12
- Vermont 2
- Virginia 33
- Washington 18
- West Virginia 2
- Wisconsin 20
- Wyoming 3
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 702 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
Experience a scenic two mile run, twelve mile bike, and final two mile run along the Mohawk Towpath Byway. Compete individually or as a relay team at the historic Riverview Orchards in Rexford.
A USA Triathlon sanctioned youth triathlon at the Citrus Memorial Health Foundation YMCA with Junior and Senior courses plus a non-timed Tri4Fun option for families and adults.
Collegiate women will compete in a draft legal sprint distance triathlon at the NCAA West Regional Championship in Fort Worth on October 18, 2026. Registration runs June 14 to October 12 and the fee is $150.
A 30 hour continuous adventure race at Diamond Lake Resort, Oregon on October 23-24, 2026. Four-person teams compete in mixed, all-women, and all-men categories across trekking, mountain biking, paddling, and navigation with live tracking.
An off road duathlon at Sadlers Creek Park in Anderson SC featuring trail runs and mountain or gravel bike sections across multiple categories. Adult, high school, youth and relay races are offered and the event supports a local charity.
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 timed navigation race in Huntersville, NC on October 24, 2026, for solo competitors or teams of 1 to 4 combining biking and trekking to collect checkpoints for points. Entry is $40 per person and proceeds benefit the Firefighters Burned Children's..
Community fundraiser at Homochitto Campout in Meadville MS on Oct 24 2026 offering a 5K run, a 10 mile bike race and a 5 mile kayak or canoe race.
Ultimate Tri at Beachwalk is a triathlon in the Beachwalk Community of St Johns, Florida on October 25, 2026. Participants can have race-day results posted automatically by connecting a Twitter account.
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 beginning at Lake Mead and finishing at Wilbur Square in Boulder City, featuring sprint and Olympic formats plus aquabike and relay options, and a paved run through historic Boulder City.
A compact triathlon on October 31, 2026 in Fort Lupton where participants pick a slot to complete a combined 15 minute swim, bike, and run; fastest combined time wins a sweatshirt and costume prizes are offered.
November 2026
A coastal beach triathlon in Morro Bay offering Olympic and Sprint distances, with a protected harbor swim or kayak/SUP option, coastal bike on Highway 1, and a beach and boardwalk finish by Morro Rock.
A multisport race day at Newport Dunes offering twelve sprint and Olympic events, held at the same site since 1978 and serving as the Cal Tri Events National Championship.
A multi-format triathlon event at Cocoa Riverfront Park on November 1, 2026, featuring international and sprint triathlons, aquabike, duathlon, and relay divisions along the Indian River.
A fall duathlon in Prospect Park featuring a 2.1 mile opening run, a 10 mile three-lap bike, and a 3.3 mile final loop with about 140 ft of climbing. Post race barbecue and volunteer opportunities are available.
A Baytown, Texas event offering a 10K combo with either a 5K bike plus 5K trail run or a 5K run plus 5K trail run, plus standalone 5K bike and trail run options. Helmets required for bike riders and finishers receive a shirt and medal.