Novelty course · Haddonfield, NJ
Jonas Cattell Memorial 10-mile Run & Fort Mercer 5K is a fun run on a one-of-a-kind course in Haddonfield, New Jersey, with a verified date of October 17, 2026.
- When
- Sat, Oct 17, 2026
Start 10-miler and 5K 8:00 AM
Third Saturday in October - Where
- Kings Highway & Mechanic Street (start) to Red Bank Battlefield (finish)
Kings Hwy. & Mechanic St.
Haddonfield, NJ 08033 · Camden County
Directions - Entry
- 10-miler $30; Fort Mercer 5K $20
- Organized by
- Gloucester County Parks and Recreation
57th annual in 2026
What to expect
2026 Confirmed
Saturday, October 17, 2026, 8 AM (57th annual)
- Sat, Oct 17, 2026
Checked Sun, Oct 4, 2026 against the official source.
2027 Projected
Projected from the 2025-2026 pattern (third Saturday in October: Oct. 18, 2025 and Oct. 17, 2026); not announced.
- Sat, Oct 16, 2027
About the run
A point-to-point 10-mile run down Kings Highway from Haddonfield to Red Bank Battlefield in National Park, retracing Jonas Cattell's 1777 run to warn Fort Mercer of a Hessian attack. Gloucester County Parks and Recreation has staged it for more than 50 years, alongside a Fort Mercer 5K at the battlefield.
The run
- Distances
- 10 miles, 5K
- Season
- Fall
Also in the NJ Event Atlas
Nearby
- Haddonfield Snowflake RunHaddonfield, NJ
- Haddon Township Turkey Trot 5kWestmont, NJ
- Cooper Norcross Run the BridgeCamden, NJ
- Red Bank Battlefield 5K (RevolutionNJ Race Series)National Park, NJ
- Citizens Bank Park Spartan StadionPhiladelphia, PA
- Independence Blue Cross Broad Street RunPhiladelphia, PA
Sources
- Official site official
- RunSignup registration official
Details checked against the race’s own pages on Sun, Oct 4, 2026.