Home / Philadelphia / Trail races / Wilmington & Delaware

Trail races in Wilmington & Delaware (2026-27)

Updated November 7, 2026

1 trail race is coming up in Wilmington & Delaware in the next 90 days; the next is Run Of The Mill 5/10-miler trail run/walk on Saturday, November 7 in Wilmington. 3 trail races are listed in Wilmington & Delaware for the next 12 months.

All PhiladelphiaPhiladelphia (2)Main Line & PA Suburbs (10)South Jersey (3)Princeton & Trenton (3)Wilmington & Delaware (3)

• Sat7Nov

  Run Of The Mill 5/10-miler trail run/walk

  Sat Nov 7 · 8:30 AM · Wilmington · Wilmington & Delaware

  5 miles10 milesTrail

  Reg. closed
• Sat20Mar

  First State Half Marathon & 10K

  Sat Mar 20 · 8:00 AM · Newark · Wilmington & Delaware

  10KHalf marathonTrail

  from $59Goes up Dec 30Sign up ↗
• Sun3Oct

  Bear Trail Half Marathon & 10K

  Sun Oct 3 · 9:00 AM · Bear · Wilmington & Delaware

  10KHalf marathonTrail

  from $45Goes up Mar 26Sign up ↗

Quick answers

How many trail races are in Wilmington & Delaware in the next 3 months?

1 trail race is listed in Wilmington & Delaware between November 7 and February 5. The next is Run Of The Mill 5/10-miler trail run/walk on Saturday, November 7 in Wilmington.

When does the next early-bird price end for trail races in Wilmington & Delaware?

First State Half Marathon & 10K: the Half marathon goes from $89 to $99 after December 30. 1 more of these trail races publish a later price increase.

Are there trail races in Wilmington & Delaware this weekend?

Yes, 1: Run Of The Mill 5/10-miler trail run/walk (Sat).