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Maryland Triathlon Calendar 2025-2026

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Explore the best triathlons in Maryland for 2025-2026! Our updated list features 11 exciting races across the region. Find your next race in Maryland below and join the running community at these great events!

January 2026
Jan
10
Sa

Winter Warm-up Adventure Race

Multisport
February 2026
Feb
28
Sa

Harford Multisport Club Indoor Triathlon

Triathlon
April 2026
Apr
12
Su

Columbia Duathlon

Duathlon
Apr
25
Sa

General Smallwood Triathlon

Triathlon
May 2026
May
30-31
Sa - Su

Rock Hall Triathlon

Triathlon
June 2026
Jun
14
Su

Ironman 70.3 Eagleman

Triathlon
Jun
14
Su

Cal Tri DC

Triathlon
July 2026
Jul
11
Sa

Diamond in the Rough Triathlon

Triathlon
August 2026
Aug
23
Su

North East Triathlon

Triathlon
September 2026
Sep
19
Sa

Ironman Maryland

Triathlon
October 2026
Oct
3-4
Sa - Su

Waterman's Triathlon Festival

Triathlon