Trail Running Calendar Delaware 2026-2027

Cross-country and endurance races at Fair Hill in Wilmington, DE on July 11, 2026. The event is listed as a MASS XC & Endurance Race and the listing includes calendar files for major platforms.

Murderkill Ultramarathons at Killen's Pond State Park feature a 3.1 mile loop with 50 mile, 50K, and 12 hour options, manual lap counting, water provided, and a 30-runner cap per distance.

A half marathon and a 10K at Lums Pond State Park on 09/06/2026 using Little Jersey and Swamp Forest trails. Routes include single track and wider trails and have a relatively flat elevation profile.

A dog friendly fundraising event at Bellevue State Park on September 27, 2026 featuring a scenic 5K and a one mile Mutt Mile, with race timing, awards for dogs and people, vendors, a costume contest, and merchandise.

Trail races at Lums Pond State Park including 12 hour solo and relay formats plus 24KM and 12KM lake laps, with aid stations, chip timing and age graded results.

Community trail event at Camp Barnes in Frankford, Delaware offering 6.2 and 3.1 mile runs, 1 to 3 mile family walks, and a Kiddie Color Run. Post race lunch and live bluegrass music support Mariners Bethel youth ministries.

A fall trail event at Trap Pond State Park featuring a 4.5 mile loop on the Bob Trail and a 2 mile walk. Participant fees support Legacy Academy.

A community 5k run/walk and a separate competitive walking 5k at Killens Pond State Park on November 28, 2026. The event supports Milford High School Cross Country and features chip timing, awards, shirts, and post race refreshments.

A multi-distance event in Lewes, Delaware with 5K, 10K and half marathon options plus race walk and heavy march categories. The weekend includes an educational exhibit, vendors and live music while supporting wounded warriors and homeless v..