RunRace USA › New York › MammothMarch Hudson Valley
MammothMarch Hudson Valley
Southfields, New York · Saturday, September 26, 2026 · 20 Miles
Official race page & registration ↗MammothMarch Hudson Valley takes place on Saturday, September 26, 2026 in Southfields, New York. The race is run over 20 Miles. For anyone travelling in, Kiryas Joel is about 7 miles away and Yonkers is about 26 miles away.
It is one of 247 races on the New York calendar that September.
- Date
- Saturday, September 26, 2026
- Location
- Southfields, New York
- Distances
- 20 Miles
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Southfields: check in Sep 25, out Sep 27.
Common questions
When is MammothMarch Hudson Valley?
MammothMarch Hudson Valley is scheduled for Saturday, September 26, 2026.
Where is MammothMarch Hudson Valley held?
MammothMarch Hudson Valley is held in Southfields, New York. It is about 7 miles from Kiryas Joel and 26 miles from Yonkers.
What distances does MammothMarch Hudson Valley offer?
The listed distances are 20 Miles.
How do I register for MammothMarch Hudson Valley?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
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See every race on the New York calendar, or use the Race Finder for maps and filters.