Ultramarathons in Delaware

2 upcoming Ultramarathon races in Delaware for 2026 and beyond — with dates, locations, and registration links.

All Delaware races 5K Races (50)10K Races (5)Half Marathons (7)Marathons (4)

Coastal Traverse Adventure Race
Sun, Nov 1, 2026 · Lewes, DE
96.6K
Bear Triathlon
Sat, May 22, 2027 · Bear, DE
21.9K10 Miles46.7K38.5K48.1K1 Mile