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⏵ Course guide · Hudson Highlands trail race

Bear Mountain Trail Challenge Course Guide

The Bear Mountain Trail Challenge runs a 50K, half marathon, and 10K through Bear Mountain State Park in the Hudson Highlands, about an hour from New York City, and it does not soften the terrain just because the venue is close to the city. Short, punchy climbs, near-constant up and down, and technical rock and mud footing throughout. I will walk you through the course first, then give you a pacing and fueling plan built for the technicality rather than the mileage alone. There are free calculators along the way to dial in your own numbers.

⏵ At a glance

Bear Mountain Trail Challenge quick facts

Date
Saturday, May 2, 2026
Location
Bear Mountain State Park, Tomkins Cove / Stony Point, Hudson Highlands, NY (about 1 hr from NYC)
Distances
50K · half marathon · 10K
Elevation gain
Not published in verified form; expect short, punchy climbs with near-constant up and down
Cutoffs
Not published in verified form; safety-based intermediate cutoffs are enforced
Required gear
Half marathon and 50K runners must carry at least 20 oz of water
Terrain
Technical rock, mud, slick rock, and stream crossings; course is adjusted year to year
Organizer
Run under the Spartan Trail banner

These facts come from the official Spartan Trail race page. Check the current date, elevation figures, cutoffs, and required gear before you commit. The course is adjusted year to year.

The course: short climbs, constant technicality

The race runs through Bear Mountain State Park in the Hudson Highlands, with the 50K, half marathon, and 10K sharing the same general terrain character even though the routes differ. Expect rocky, root-laced trail, mud, slick rock, and stream crossings, with short, punchy climbs and descents that repeat rather than one long sustained grade.

Near-constant up and down, not one big climb

This is not a course with a single defining ascent. It is short climbs and short descents, over and over, on technical footing that demands attention the whole way. That rhythm is its own kind of hard: you never settle into a long, steady climbing gear the way you might on a Catskills mountain race, because the terrain keeps changing under your feet every few minutes.

Quick feet and careful footwork matter as much as raw fitness here. Rock, mud, and slick rock sections punish runners who are not paying attention, even at a modest pace.

Mandatory water and a course that changes year to year

Both the half marathon and the 50K require you to carry at least 20 ounces of water, which tells you something about how the race organizers think about the terrain and the exposure. Treat that 20 ounces as a floor, not a target, especially if early May runs warm that year.

The exact routing is adjusted from year to year, so do not assume last year's course description matches what you will run. Confirm the current-year course map and any last-minute changes before race day.

An hour from NYC, but not an easy day

Bear Mountain's proximity to New York City, about an hour away, makes this one of the more accessible technical trail races in the region for a city-based runner. Do not let the easy drive fool you into underestimating the terrain. The technicality here is real, and the short-punchy-climb rhythm asks for specific preparation, not just general fitness.

Pacing strategy for repeated short climbs

With no single long climb to settle into and near-constant technical up and down instead, Bear Mountain rewards a pace built around effort and footing, not a steady rhythm you can lock in and forget.

Pace by effort on terrain that never settles down

The short, repeated climbs and descents here make a fixed pace target close to useless. What matters is a grade-adjusted effort that flexes with the terrain in front of you, punchy on the short ups, controlled and careful on the technical downs. Use a grade-adjusted pace to build honest targets for this kind of stop-start climbing profile instead of pacing off a flat number.

Build a finish prediction, then confirm the cutoffs

Since exact elevation gain and cutoff times were not published in verified form this season, use a vert-aware finish prediction as a planning estimate for your goal effort, then confirm the current cutoffs against that estimate once official race-week information is out. The course's safety-based intermediate cutoffs mean you cannot bank all your buffer for the finish.

⏵ Free tools to pace this course

Fueling strategy for a technical Hudson Highlands 50K

The mandatory 20-ounce water carry is your floor, not your whole plan. Build the rest of your fueling around a multi-hour technical effort in early-May Hudson Valley conditions.

Carbs: fuel between the technical sections

Aim for roughly 60 to 90 grams of carbohydrate per hour on the 50K. The constant up and down and technical footing here mean you have to be deliberate about when you eat and drink, since some stretches demand your full attention on foot placement. Use the more runnable sections to catch up on calories rather than trying to eat through a rock scramble.

Sodium and fluid: respect the mandatory minimum as a floor

Keep sodium in the 300 to 700 mg per liter range depending on how warm the day runs, and treat the mandatory 20-ounce water carry as a starting point rather than your full race fluid plan, especially if early May turns out warm and humid. Weigh yourself before and after a similar-length technical training run to estimate your real sweat rate.

⏵ Build your fueling plan

Get a carb, sodium, fluid, and caffeine plan per hour built for your weight, your goal time, and the day's conditions with the free ultra fueling calculator. Browse the rest of the free running tools at the tools hub.

⏵ Train for it with Summit Line

Get a race-day plan built around YOUR fitness, this course's repeated technical climbs, and your projected splits. Summit Line reads your real training, builds a plan for stop-start terrain, and rehearses your fueling so race day is something you execute, not guess at.

Start free →Explore the demo

Bear Mountain Trail Challenge FAQ

How hard is the Bear Mountain Trail Challenge?

The Bear Mountain Trail Challenge is a technical, physically demanding trail race despite being only about an hour from New York City. The terrain is short, punchy climbs with near-constant up and down rather than one long grind, over rock, mud, slick rock, and stream crossings. It rewards quick feet and steady climbing legs more than raw speed, and the half marathon and 50K both require you to carry at least 20 ounces of water, a sign of how seriously the race treats the terrain and conditions.

How much climbing is in the Bear Mountain Trail Challenge?

Exact elevation gain figures were not published in a form we could verify this season. What is consistent across the course description is the character of the climbing: short, punchy ascents and descents that repeat throughout the race rather than one sustained mountain climb. Expect the up and down to be near-constant, and confirm the current year's specific gain figures on the official race page before you build detailed pacing math.

What is the terrain like at Bear Mountain Trail Challenge?

Expect technical footing throughout: rock, mud, slick rock sections, and stream crossings, all inside Bear Mountain State Park in the Hudson Highlands. The course is adjusted from year to year, so exact routing can change, but the terrain character (rocky, root-laced, and demanding of careful footwork) is consistent. This is not a fast, groomed course.

Do I need to carry water at the Bear Mountain Trail Challenge?

Yes. Both the half marathon and the 50K require runners to carry at least 20 ounces of water. Plan your hydration setup around that minimum, and treat it as a floor rather than a target, since the technical terrain and any warm early-May weather can push your real fluid needs higher.

How should I fuel for the Bear Mountain Trail Challenge?

For the 50K, treat it as a multi-hour technical effort and aim for roughly 60 to 90 grams of carbohydrate per hour, with sodium in the 300 to 700 mg per liter range depending on how warm early May runs that year. The half marathon and 10K are shorter, so fueling matters less than pacing the technical footing, but do not skip fluids given the mandatory water-carry requirement. Build your full plan with the free ultra fueling calculator if you are racing the 50K.

Is the Bear Mountain Trail Challenge a good first trail race?

The 10K and half marathon distances make a reasonable introduction to technical Hudson Highlands trail running for someone who already runs, given how close the venue is to NYC and how approachable the shorter distances are. The 50K, with its constant technical up and down, is better suited to a runner who already has some trail race experience and has practiced quick, careful footwork on rocky terrain.

This guide is independent and for planning only. The course details, dates, cutoffs, and required gear come from public sources and can change year to year, so confirm the current specifics with the official Spartan Trail race page before you register or run. The fueling and pacing advice is general and not medical advice.