Delaware Triathlon Calendar 2025-2026

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Explore the best triathlons in Delaware for 2025-2026! Our updated list features 86 exciting races across the region. Find your next race in Delaware below and join the running community at these great events!

January 2026
Jan
24-25
Sa - Su

Angela Ivory Memorial Runs

Trail Run 50 km 100 mi 24 hr
February 2026
Feb
21
Saturday

Sandhill Summer Countdown 5k Run/Walk

5 km
April 2026
Apr
11-12
Sa - Su

Coastal Delaware Running Festival

3 mi 6 mi 13 mi 26 mi
Apr
19
Sunday

Delaware Running Festival

5 km 10 km 21 km 42 km
May 2026
May
9
Saturday

Race4Warriors Half Marathon

Trail Run 5 km 10 km 21 km
May
30
Saturday

Conquer The Canal

5 km 10 km 21 km 42 km
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