Trail Running Calendar near Chelsea 2025-2026

Mar

15

Saturday

Coach Mike O'Brien Memorial St. Patrick's Day Run 5K

Denville | 26 mi from Chelsea

5 km

Mar

15

Saturday

Brooklyn Spring Half

Kings County | 5 mi from Chelsea

5 km 10 km 13 mi

Mar

15

Saturday

NYC Holiday Half

Kings County | 5 mi from Chelsea

5 km 10 km 13 mi

Mar

15

Saturday

Michael Cassidy Shamrock 'N' Run 5k

Rutherford | 8 mi from Chelsea

5 km

Mar

15

Saturday

St. Paddy's Day 5K - Morristown

Morristown | 25 mi from Chelsea

5 km

Mar

16

Sunday

United Airlines NYC Half Marathon

Ridgewood | 17 mi from Chelsea

13 mi

Mar

22

Saturday

Project 13.1

Congers | 28 mi from Chelsea

13 mi

Mar

22

Saturday

Run on the Reservoir: New Beginnings Charity Run

West Orange | 13 mi from Chelsea

5 km

Mar

22

Saturday

Spring Thaw

Jersey City | 3 mi from Chelsea

5 km

Mar

22

Saturday

Shamrock Shuffle B'ville

Bernardsville | 30 mi from Chelsea

2 mi 5 km

Mar

22

Saturday

Are You Faster Than A Ridge Runner?

Basking Ridge | 28 mi from Chelsea

5 km

Mar

22

Saturday

Flying Dutchmen 5k

Orangeburg | 21 mi from Chelsea

5 km

Mar

22

Saturday

SIAC St. Patrick's Day 5k

Richmond County | 13 mi from Chelsea

5 km

Mar

23

Sunday

March Madness Half Marathon - Jersey City

Jersey City | 3 mi from Chelsea

5 km 10 km 13 mi

Mar

23

Sunday

Spring Supported Long Run

Montclair | 12 mi from Chelsea

5 mi 7 mi

Mar

29-30

Sa - Su

MCW Lenape Runventure

Millburn | 16 mi from Chelsea

Trail Run 36 mi

Mar

29

Saturday

NYC Holiday Half - Flushing

Flushing | 9 mi from Chelsea

5 km 10 km 13 mi

Mar

29-30

Sa - Su

Mckirdy Micro Race Series

Valley Cottage | 26 mi from Chelsea

10 km 26 mi

Mar

29

Saturday

The Albany IceBreaker Challenge 5K

Lower Manhattan | 1 mi from Chelsea

5 km

Mar

29

Saturday

Rockland GAA Memorial 5K

Orangeburg | 21 mi from Chelsea

5 km