Ipswich, MA, United States · Saturday, November 6, 2027

Fixed Distance 50 mi

Stone Cat 50 Mile

402 days away

80 km Distance

not publishedn/a Climbing

4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

42.6793° N, 70.8412° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~41 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 10°C

Night low 5°C

Rainfall Showers likely

Daylight 10 h 09 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 10 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50mi	41	Carter Tracy · 08:19:28	Chloe Kenyon · 11:32:49
2024	50mi	35	Anthony Johnson · 08:27:16	Kara Olivito · 09:11:52
2023	50mi	41	Ryan Williams · 07:54:24	Jessica Finocchiaro · 11:08:38
2018	50mi	86	Michael Pulli · 07:15:11	Sarah Pandiscio · 08:17:09
2017	50mi	118	Michael Austin · 07:01:40	Aliza LaPierre · 07:16:55
2016	50mi	110	Joseph (Joe) McConaughy · 06:12:24	Deirdre Lowe · 08:16:18
2015	50mi	105	Scott Traer · 06:18:22	Claire Gadrow · 08:34:49
2014	50mi	133	Samuel Jurek · 06:13:42	Stacia Broderick · 07:39:22
2013	50mi	134	Sebastien Roulier · 06:10:55	Larisa Dannis Macfadden · 07:37:04
2012	50mi	121	Samuel Jurek · 06:13:14	Serena Wilcox · 07:49:58

The field grew 17% between 2024 (35) and 2025 (41). 17% of the 2025 field were women.

DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 80 km of trail.

Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 80 km, without the bounce.
Headlamps 80 km almost certainly means running into the night.
GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.

Asics

Trabuco Max 3

★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Tailwind