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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 8 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
Saturday

Winter Warm-up Adventure Race

Multisport
April 2026
Apr
12
Sunday

Columbia Duathlon

Duathlon
Apr
25
Saturday

General Smallwood Triathlon

Triathlon
June 2026
Jun
14
Sunday

Ironman 70.3 Eagleman

Triathlon
Jun
14
Sunday

Cal Tri DC

Triathlon
August 2026
Aug
23
Sunday

North East Triathlon

Triathlon
September 2026
Sep
19
Saturday

Ironman Maryland

Triathlon
October 2026
Oct
3-4
Sa - Su

Waterman's Triathlon Festival

Triathlon
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