Castle to River Run
Oct 25Garrison, NYHalf Marathon, 5K
Also a half marathon, 90 mi from Soapstone Mountain Trail Races, registration open
At a glance
- Last held
- May 17, 2026
- Next edition
- 2027 date not announced. Usually held in May.
- Location
- Stafford Springs, Connecticut
- Distances
- Half Marathon, 6K
- Aid stations
- 2
Listed from UltraSignup. Checked May 10, 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
Trail races through beautiful Shenipsit Forest State Park around Soapstone Mountain, featuring a new Half Marathon course in 2026 that tags the tower twice and a 6K "Sampler" race.
Key dates
Early Bird ends
Mar 13, 2026
Registration closes
May 16, 2026
Race day
May 17, 2026
Pricing
Half Marathon
After Mar 14
$40
6K
After Mar 14
$30
Email me updates about Soapstone Mountain Trail Races
Registration openings and major changes, like a new date or a cancellation.
Aid stations
2| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Parker Road First aid station at the Parker Road crossing | -- | -- | trail-running snacks | ||
Hopkins Road Second well stocked aid station at Hopkins Road turnaround | -- | -- | trail-running snacks |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Similar races
Roxbury Fall Classic
Nov 14Roxbury, CT50K, Marathon +1
Also a half marathon, 55 mi from Soapstone Mountain Trail Races, registration open
Upton 10.5K and Half Marathon Trail Race
Nov 8Upton, MAHalf Marathon, 10.5K
Also a half marathon, 43 mi from Soapstone Mountain Trail Races, registration open
Storybook Half Marathon
Nov 21Stratford, CTHalf Marathon
Also a half marathon, 62 mi from Soapstone Mountain Trail Races, registration open
Straight-line distance
More Half Marathons in Connecticut
All Half Marathons in ConnecticutRoxbury Fall Classic
Nov 14Roxbury, CT50K, Marathon +1
Tarrywile Half Marathon
Nov 15Danbury, CTMarathon, Half Marathon +1
Storybook Half Marathon
Nov 21Stratford, CTHalf Marathon
Races Near Boston
All races near BostonSeth's Fat Ass 50K
Dec 12Springfield, MA50K
Northern Nipmuck Trail Race
Mar 28, 2027Union, CT16 mi
Connecticut Ultra Traverse #CUT112
Jun 4, 2027Southwick, MA
Traprock 50
Apr 17, 2027Bloomfield, CT50K, 17K
Kevin Hutt 10k
Nov 1Bloomfield, CT10K
CT123 (200K)
May 1, 2027East Thompson, CT200K, 100K
Run Ragged Last Person Standing
May 22, 2027Berlin, CTBackyard Ultra
Dead Last Ultra
Oct 24Sutton, MABackyard Ultra
Upton 10.5K and Half Marathon Trail Race
Nov 8Upton, MAHalf Marathon, 10.5K
Brooksvale Trails Turkey Trot
Nov 22Hamden, CT10K, 5K
Sleeping Giant Trail Runs
Apr 4, 2027Hamden, CT50K, 25K
Tower Tag Challenge
Dec 5Hamden, CT8 hr, 4 hr
May Races Nearby
All May racesBlood Root Ultra
May 5, 2027Pittsfield, VT200 mi
Breakneck Point Trail Runs
May 8, 2027Beacon, NY42K, 21K
Forgotten Forest Ultra Run
May 15, 2027Stratford, CT9 hr
Infinitus
May 20, 2027Ripton, VT888K
Race planning
Plan Soapstone Mountain Trail Races with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for Soapstone Mountain Trail Races?
Claim this race to manage registration, volunteers, and race day.