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.
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
Lower than 23% of comparable mapped races
8:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
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.
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.
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.
9.
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.
Its normalised GAP factor is 4.3% slower than a flat course, with about 878 m of total ascent.