Pennsylvania Triathlon Calendar 2025-2026

Header image
Monthly updates for Pennsylvania

Get new running races (and updates) in your inbox every month.

Explore the best triathlons in Pennsylvania for 2025-2026! Our updated list features 16 exciting races across the region. Find your next race in Pennsylvania below and join the running community at these great events!

February 2026
Frozen Hare 2 is a multisport swim and triathlon festival at Lawrence Park Swim Club in Broomall, PA on Feb 21, 2026. Enjoy pool swims, runs and races for all levels plus virtual options and a heated outdoor 25 meter pool.
May 2026
Kids from North Penn elementary schools take on the 13th annual IRONKnights Triathlon in Lansdale on May 16, 2026, with a rain date of May 17. Young athletes 4 to 14 will swim, bike and run for trophies and an IRONKnight tee.
Mighty Moraine Spring Multi Sport Festival hits Moraine State Park May 16 and 17, 2026 with Olympic, sprint, super sprint and youth triathlon and aqua bike races for solo racers and relays. Add a Mighty Double bundle for both days.
Take on a race weekend at scenic French Creek State Park with Saturday triathlons and Sunday SwimFest plus youth splash and dash events. Sprint and Olympic distances, aquabike, relays, age group awards, and a hot post race buffet.
Celebrate fitness at the Independence Triathlon at scenic Lake Nockamixon with Olympic and Sprint options plus relay and aquabike for ages 12 and up. Closed roads, a lake swim, finisher gear and a post race meal make for a great race day.
Celebrate 14 years of the Upper Dublin Triathlon in Fort Washington, PA on May 17, 2026, with triathlon, duathlon, aquabike, relay or run only options for ages 10 to 99. All finishers earn medals and proceeds benefit local charities.
Join the Lewisburg Sprint Triathlon on May 30 at Lewisburg Area Recreation Park. Swim 300 yards, bike 15 miles on rolling roads, then run a flat 5K; relay teams and a free beginner clinic make it perfect for newcomers and teams.
Take on the Abington Triathlon in Abington PA on May 30, 2026. Options include a 300 m pool swim, 11.5 mile bike and 5K run or team triathlon, duathlon, 5K or aqua bike, with proceeds benefiting local youth and community groups.
June 2026
Race the Conneaut Lake Sprint Triathlon at Fireman's Beach with individual and relay sprint distance options. Swim 650 yards, bike 13.6 miles and run 3.1 miles, enjoy a T shirt and post race food while supporting cystic fibrosis.
Make a splash at the Evergreen Lake Triathlon in Bath PA on June 28, 2026, with Super Sprint, Sprint, Duathlon and SwimFest options for every level. Race one or multiple sessions with stacked discounts at this USAT sanctioned lake event.
July 2026
Take part in the Women's Philadelphia Triathlon at Fairmount Park with pool swims, scenic bike miles on Martin Luther King Drive and park runs. Relays, kids or sprint distances, plus medals, live tracking and post race breakfast.
Join the Janney and the Y North Park Triathlon and Aquabike on Sunday July 19 2026 at North Park Swimming Pool in Allison Park PA. Open to ages 14 to 100 with solo and team entries; register by July 5 to avoid a fee increase.
August 2026
Take on the 22nd Annual Steelman Triathlon at Lake Nockamixon on August 2, 2026, with Olympic and Sprint distances plus relay and aquabike options. Expect an open water swim, scenic lakeside run, and a fast closed road bike course.
Join River Day SwimFest and SwimRun in Norristown on August 8 for scenic open water races, a spirited swimrun and a team relay on the Schuylkill River. Distances from 800 meters to a 5K swim welcome swimmers of all levels.
Join the Mighty Moraine Fall multisport festival, a two day celebration of triathlon and multisport racing at Moraine State Park. From youth events to the Pennsylvania State Triathlon Championships there are distances for every athlete.
September 2026
Race the Marsh Creek Sprint Triathlon at Marsh Creek State Park in Downingtown on September 20, 2026. A 750 m swim, 20 km bike and 5 km run with time trial swim starts, scenic lake and forest roads, and post race awards.