Maryland
Maryland Triathlon Calendar 2026-2027
Monthly updates for Maryland
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Maryland for 2026-2027! Our updated list features 13 exciting races across the region. Find your next race in Maryland below and join the running community at these great events!
January 2027
A USARA early season adventure race in Thurmont MD offering 4 hour and 8 hour mountain bike and trek options, youth pricing, a pre race clinic, and post race food and awards.
April 2027
Duathlon in Columbia MD with adult and youth races on a mostly flat looped course at 7000 Columbia Gateway Drive.
Olympic and Sprint triathlons at General Smallwood State Park with a Mattawoman Bay swim, rolling bike routes, shaded run loops, plus relay and aquabike options.
May 2027
A community 5K at National Harbor on May 16, 2027 raising funds for the Potomac Riverkeeper Network to support clean water and river habitat protection.
June 2027
A two-day triathlon festival in Rock Hall, Maryland with Olympic and Sprint triathlons, aquabike options, sheltered bay swims and mostly flat bike and run courses.
Monthly updates for Maryland
Get new running races (and updates) in your inbox every month.
Multisport triathlon event near Washington, DC offering 12 Olympic and sprint distance options at Sweden Point Marina in Marbury, Maryland.
IRONMAN 70.3 Eagleman in Cambridge, Maryland features a protected 1.2 mile swim, a 56 mile bike through Blackwater National Wildlife Refuge, and a 13.1 mile run.
Columbia Triathlon in Columbia, Maryland offers Sprint and Super Sprint distances with a pool swim, bike course and paved trail, sanctioned by USA Triathlon.
July 2027
Olympic and Sprint triathlons plus relay and aquabike from Perryville Community Park with bay swims, rolling bike routes, and mostly-flat run loops along the Chesapeake.
August 2027
Two-day multisport event in Hagerstown, Maryland featuring sprint triathlon, duathlon, aquabike and age-group youth triathlons with pool swims.
A Chesapeake Bay triathlon in North East, Maryland featuring in water swims, hilly bike routes through Elk Neck State Forest, and rolling out and back runs with aid stations every mile.
September 2027
IRONMAN Maryland in Cambridge features a 2.4 mile river swim, a bike course through Blackwater National Wildlife Refuge, and a downtown run with strong local support.
October 2027
Triathlon festival in Rock Hall, MD with Long, Olympic and Sprint races swimming in Rock Hall Harbor, biking rural Kent County, and flat run loops through waterfront neighborhoods.