Castle to River Run
Oct 25Garrison, NYHalf Marathon, 5K
Also a half marathon, 17 mi from Big Bear SquaTCh South, registration open
Big Bear SquaTCh South
- Half Marathon entry
- $70
- Aid stations
- 2
At a glance
- Last held
- Oct 18, 2026
- Next edition
- 2027 date not announced. Usually held in October.
- Location
- Tuxedo, New York
- Distances
- Half Marathon, 10K
- Elevation gain
- 2,200 ft
- Aid stations
- 2
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
2 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
A very challenging trail race through Harriman State Park featuring technical trails, beautiful views, and steep climbs with significant elevation gain.
Key dates
Early ends
Apr 29, 2026
Registration closes
Oct 17, 2026
Race day
Oct 18, 2026
Pricing
Half Marathon
After Apr 30
$70
All distances
Hardship Entry
$0
Email me updates about Big Bear SquaTCh South
Registration openings and major changes, like a new date or a cancellation.
Aid stations
2| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Victory Aid Station First aid station for half marathon participants only | 4.70 miles | 11:45 | waterbananasgranola bars | ||
Johnsontown Road Aid Station Second aid station for half marathon at mile 9.5, also serves 10K participants at mile 2.5 via out and back | 9.50 miles | 13:45 | waterSkratchpb&jgranola bars+4 |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
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Race planning
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