SOMO Winter Trail Series

DEC
5
2026
Trail races at South Mountain Reservation feature 5K, 10K and 13.1 miles on looped courses over fire roads, single track, hills and pavement, with aid about every three miles and race day registration available.
Sat 5 Dec 2026
13 miles 10 kilometers 5 kilometers

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SOMO Winter Trail Series - NJ Trail Series

The event takes place at South Mountain Reservation near 12 Bear Lane, South Orange, NJ 07079. The course uses existing fire roads, single track trail, hills and sections of pavement. Aid is provided approximately every three miles.

Distances are run on a looped course:

  • 5K: one loop
  • 10K: two loops
  • 13.1 miles: four loops

Entry fees listed in event materials start at 5K $30, 10K $35, and 13.1M $40. Fees increase by $5 at later pricing tiers. Day of registration fees are 5K $45, 10K $50, and 13.1M $55. Day of payment options include cash, check, Venmo, Zelle, and PayPal. Race day registration is available.

There are no finishing medals; a giveaway will be held. The course design combines multiple surfaces and repeated loops to accommodate the three advertised distances. Visit the organization's website for the most recent information.

13 mi
13.1m
10 km
10k
5 km

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