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New Jersey Trail Running Calendar 2025-2026

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Explore the best trail runs in New Jersey for 2025-2026! Our updated list features 34 exciting races across the region. Find your next race in New Jersey below and join the running community at these great events!

December 2025
Dec
13
Sa

Morris Hot Cocoa 10k

Trail Run 5 km 10 km
Dec
13
Sa

The Holmdel Classic

Trail Run 14 mi 50 km
Dec
13
Sa

SOMO Winter Trail Series

Trail Run 5 km 10 km 13 mi
Dec
14
Su

Frosty Looper

Trail Run 4 mi
Dec
27
Sa

Last Supper 100k

Trail Run 100 km
January 2026
Jan
10
Sa

SOMO Winter Trail Series

Trail Run 5 km 10 km 13 mi
Jan
31
Sa

Frosty Fat Sass

Trail Run 5 km 3 hr 6 hr
Jan
31
Sa

Yeti or Not Snowshoe Invasion

Trail Run 5 km
February 2026
Feb-Mar
1-29
Su

Morris County Empanada Trail Run

Trail Run 5 km 10 km
Feb
14
Sa

Squatchy Onesie Fest “5K-Marathon”

Trail Run 5 km
Feb
21
Sa

Febapple Frozen 50M

Trail Run 10 mi 20 mi 50 km 50 mi
Feb-Mar
22-15
Su

Winter Thaw Out Race

Trail Run 5 km
March 2026
Mar
1
Su

Mahlon Winter Donut Trail Run

Trail Run 5 mi 10 mi
Mar
7
Sa

Squatchapple - West Orange, NJ

Trail Run 11 mi 20 mi 50 km 50 mi
Mar
7
Sa

Lenape Trail Run

Trail Run 34 mi
Mar
21
Sa

The Mt. Tammany 10

Trail Run 40 mi
Mar
22
Su

Terror of Tammany

Trail Run 30 km 50 km
Mar
29
Su

The Fool's Trek/Rogaine

Trail Run 10 hr
April 2026
Apr
11
Sa

Spring SOMO Timed Trail Race

Trail Run 3 km 6 km ... 3 hr 6 hr
Apr
11
Sa

Institute Woods 6K

Trail Run 6 km