• Marathon
  • 42.5 km
  • Ashford
  • Event weekend starts
  • Open entry

NipMuck Trail Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 4.3% versus flat · net elevation 15 m

Decision summary

NipMuck Trail Marathon at a glance

Route ascent
878 m

Lower than 23% of comparable mapped races

Cut-off average pace
11:18/km

8:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
78/100

Historical race-date favourability, not a forecast

Evidence depth
38 verified facts

Stored GPS route

Quick answers

What runners ask first

NipMuck Trail Marathon route map

raceindex.org has a GPS course file for NipMuck Trail Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the NipMuck Trail Marathon?

The NipMuck Trail Marathon route has 878 m of ascent, 863 m of descent and an estimated 4.3% grade-adjusted pace penalty versus a flat route.

Where does the NipMuck Trail Marathon route go?

The NipMuck Trail Marathon route starts at Corner of Lipps Rd and Perry Hill Rd, Ashford, CT and finishes at Perry Hill Rd, Ashford, CT (same staging area as the start). Underfoot, expect mostly singletrack trail with roots, rocks, mud and bog bridges along a 13-mile segment of the 36-mile Nipmuck Trail. It passes Nipmuck Trail, Perry Hill Road, Route 44, Boston Hollow Road and beaver dams. Known for quirky finisher awards including blue-blaze painted trail sticks and homemade/Lyman Orchards apple pies for winners.

What should runners know on race day for the NipMuck Trail Marathon?

9.

Race character

Scenery

  • Forest
  • Countryside
  • Parkland
  • Riverside

Atmosphere

  • Wilderness
  • Community

Terrain

  • Road
  • Trail
Elevation character
Rolling
Technicality
Technical
Source-stated ascent
701 m
Net elevation
0 m

The stored route produces 878 m of ascent, while a source states 701 m. GPS sampling and elevation models can produce different totals, so both are labelled rather than combined.

Entry, logistics and records

Records and field

Men's course record
3:01:51 (Dave Dunham)
Women's course record
3:49:04 (Christine Cosgrove)
Field size
Field capped at 180 runners due to parking and trail capacity; no race-day registration.
Field cap
180

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
8-hour overall cutoff (finish by 4pm); ~12.4-mi midpoint by 3h15m, Boston Hollow ~19.4-mi turnaround by 5h20m
Qualification status
No qualifying standard; open trail marathon capped at 180 runners with no race Day registration.

Race day logistics

Aid stations
9

Access and course status

Start
Corner of Lipps Rd and Perry Hill Rd, Ashford, CT
Finish
Perry Hill Rd, Ashford, CT (same staging area as the start)

Course facts

Course type
Out And Back
Surface
Mostly singletrack trail with roots, rocks, mud and bog bridges along a 13 Mile segment of the 36 Mile Nipmuck Trail
Landmarks
Nipmuck Trail, Perry Hill Road, Route 44, Boston Hollow Road, beaver dams
Notable features
  • Founded by race director Dave 'NipMuck Dave' Raczkowski, who directed it for its first 27 years before handing it to the Shenipsit Striders. Known for quirky finisher awards including blue-blaze painted trail sticks and homemade/Lyman Orchards apple pies for winners
  • Nine aid stations along the course, most fully stocked with a few water-only
  • Double out-and-back: runs south 6.2 miles to Rt 44 and back to the start, then north 7 miles to Boston Hollow Road and back to the finish, totalling 26.4 miles

How hilly is the NipMuck Trail Marathon?

13%19%34%21%13%
  • Steep descent 13%
  • Descent 19%
  • Flat 34%
  • Climb 21%
  • Steep climb 13%
Total ascent
878 m
Net elevation
+15 m
GAP factor
4.3%
Longest climb
930 m at 5.2%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 13°CTypical temperature
  • 23 kphTypical wind
  • 2 mmTypical rainfall
  • 78Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the NipMuck Trail Marathon flat?

Its normalised GAP factor is 4.3% slower than a flat course, with about 878 m of total ascent.