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⏵ Course guide · Pennsylvania trail race

Hyner View Trail Challenge Course Guide

The Hyner View Trail Challenge is a steep, technical 25K and 50K in Sproul State Forest near North Bend, Pennsylvania, and it is famous for two things: the Hyner View overlook and cutoffs that do not bend. I will walk you through the course first, then give you a pacing and fueling plan built around the climbs and, most of all, the clock. There are free calculators along the way to dial in your own numbers.

⏵ At a glance

Hyner View Trail Challenge quick facts

Date
Mid-April (2026: Saturday, April 18)
Location
North Bend / Hyner, Sproul State Forest, Pennsylvania
Distances
25K (the original, iconic route) and 50K (revised in 2021)
Elevation gain
25K: about 4,000 ft over three major climbs · 50K: about 6,500 ft over five climbs
Field caps
25K: 1,000 runners · 50K: 500 runners
Cutoffs (hard, no exceptions)
25K: mile 4 (the Hyner View overlook) by 11:30 AM, mile 8.5 by 2 PM · 50K: mile 7.5 by 10:30 AM or you are rerouted onto the 25K course, mile 17 by 1 PM, mile 25 by 3:15 PM
Entry style
Opens the prior May via UltraSignup; confirm current pricing on the official site

These facts come from the official race site. The intermediate cutoffs are described as hard and no-exception, so treat them as fixed. Check the current date, field caps, and pricing in the race-day details before you commit. Race logistics change year to year.

The course: steep climbs and a clock that does not wait

The 25K, the original and still the more iconic distance, climbs about 4,000 feet over three major climbs. The 50K, revised in 2021, climbs about 6,500 feet over five. Both run on sustained, steep singletrack through Sproul State Forest, with stream crossings and the signature Hyner View vista along the way.

The climbs: steep, and there is more than one

This is not a course with one crux climb and easy running around it. The 25K has three major climbs, the 50K has five, and all of them are steep and sustained rather than gradual. Hike the steep pitches with purpose from the first climb, because the terrain does not let up enough later in the day to make up time you lost being conservative early.

The Hyner View overlook itself sits at mile 4 on both distances and is the payoff for the first big climb, a real vista worth the effort. But do not let the view slow you down here: this is also your first hard cutoff.

The cutoffs: the real story of this race

Here is the part people miss: the cutoffs at Hyner View are described as hard, with no exceptions. On the 25K, you need to reach mile 4, the Hyner View overlook, by 11:30 AM, and mile 8.5 by 2 PM. On the 50K, mile 7.5 has to be reached by 10:30 AM or you get rerouted onto the shorter 25K course instead of continuing, then mile 17 by 1 PM and mile 25 by 3:15 PM.

That mile 7.5 cutoff on the 50K is the one to respect most. It comes early enough in the race that a slow start, not a late-race fade, is what actually knocks people down to the 25K. Go out with a plan for that checkpoint, not just a plan for finishing.

Aid and terrain notes

The aid station at Hyner View, mile 4, has no water or electricity onsite, so do not plan on a full restock there even though it is a major landmark on the course. Carry what you need to bridge past it comfortably.

Terrain throughout is technical: steep climbs and descents, singletrack, and stream crossings. Quick feet and controlled descending matter as much as climbing fitness, especially on the 50K’s extra two climbs.

Pacing strategy: race the cutoffs, not just the distance

With hard, no-exception cutoffs at mile 4 and mile 8.5 (25K) or mile 7.5, 17, and 25 (50K), your early pacing decisions matter more here than on a race with soft or nonexistent cutoffs.

Pace the climbs by grade, then check the clock

Your flat-ground pace tells you almost nothing about how fast you will move up three or five steep climbs. A grade-adjusted pace turns your real fitness into an honest target for the climbing here, so you can estimate whether you are actually on track for the mile 4 or mile 7.5 cutoff instead of hoping.

Know your cutoff margin before you start

Because these cutoffs do not bend, work out your target split to each checkpoint before race day using an ultra cutoff calculator built for hard cutoffs like this one, and build in real margin rather than planning to arrive exactly on the line. A vert-aware finish prediction that accounts for the 25K’s or 50K’s specific climbing profile will also tell you whether your overall goal time is realistic against the terrain, not just against the distance.

⏵ Free tools to pace this course

Fueling strategy for a steep, cutoff-driven day

The early miles matter twice here: once for your legs, and once for the clock. Fuel accordingly so you are not running out of energy right when you need to make the mile 4 or mile 7.5 checkpoint.

Carbs: front-load your effort, not your stomach

Aim for around 60 to 90 grams of carbohydrate per hour from the start, since the steep early climbing burns through glycogen fast and you cannot afford a bonk before the first hard cutoff. Practice this rate on steep training climbs so your gut is ready for it under the same kind of effort you will see on race day.

Sodium and water: plan around the mile 4 gap

Scale sodium to your sweat rate and the day’s conditions, typically in the 300 to 700 milligram per liter range. Because the Hyner View aid station at mile 4 has no water or electricity onsite, carry enough going into that stretch to cover the climb and the descent beyond it comfortably rather than counting on a full restock at the overlook.

⏵ Build your fueling plan

Get a carb, sodium, fluid, and caffeine plan per hour built for your weight, your goal time, and Hyner View’s steep early climbing 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 exact Hyner View course profile, and your projected splits against the actual cutoffs. Summit Line reads your real training, builds a plan for the climbs, and rehearses your fueling so race day is something you execute, not guess at.

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Hyner View Trail Challenge FAQ

How hard is the Hyner View Trail Challenge?

Hyner View is a genuinely hard, technical Pennsylvania trail race, and the 25K in particular has a reputation that goes beyond the state. Zach Miller called it "one of the funnest courses in the world" after running the 25K in 2018, and the terrain backs that up: sustained steep climbs and descents on singletrack, stream crossings, and the Hyner View vista itself. The 25K climbs about 4,000 feet over three major climbs, and the 50K, revised in 2021, climbs about 6,500 feet over five. What makes it harder than the numbers suggest is the cutoff structure. This is not a race where you can fall behind early and make it up later.

What are the cutoff times for the Hyner View Trail Challenge, and are they strict?

Yes, and this is the single most important thing to know before you sign up. The 25K has a hard cutoff at mile 4, the Hyner View overlook, of 11:30 AM, and a second cutoff at mile 8.5 of 2 PM. The 50K has a hard cutoff at mile 7.5 of 10:30 AM: if you miss it, you are rerouted onto the 25K course rather than being pulled from the race entirely, then further cutoffs at mile 17 (1 PM) and mile 25 (3:15 PM). These are described as no-exception cutoffs, so plan your early pacing around making the mile 4 or mile 7.5 checkpoint with real margin, not right at the wire.

How much climbing is in the Hyner View Trail Challenge?

The 25K climbs roughly 4,000 feet over three major climbs. The 50K, which was revised in 2021, climbs roughly 6,500 feet over five climbs. Both are sustained, steep climbs and descents on singletrack rather than one long grind, so your legs get worked in both directions throughout the day, not just on the way up.

How should I fuel for the Hyner View Trail Challenge?

Treat the early miles as the part of the race where your fueling plan matters most, since you need to reach the mile 4 (25K) or mile 7.5 (50K) cutoff with time and legs to spare. Most runners do well on roughly 60 to 90 grams of carbohydrate per hour, with sodium in the 300 to 700 milligram per liter range depending on heat and sweat rate. Note that the Hyner View aid station at mile 4 has no water or electricity onsite, so do not plan to fully restock there. Run your numbers with the free ultra fueling calculator.

What is the terrain like at Hyner View?

Expect sustained steep climbs and descents on singletrack, stream crossings, and the signature Hyner View vista partway through the course. This is not runnable, rolling trail. The climbs are steep enough and frequent enough on both distances that hiking sections and controlled descending both matter as much as flat-ground speed.

Is the Hyner View Trail Challenge a good first ultra or trail race?

The 25K can work as an ambitious but doable goal for a runner with real trail experience, given the field cap of 1,000 and its reputation as one of the more approachable Rocksylvania Trail Series races in terms of distance. But the hard, no-exception cutoffs at mile 4 and mile 8.5 mean you cannot show up undertrained on the climbs and hope to grind it out. The 50K is a bigger step given its 6,500 feet of gain over five climbs and its own tight early cutoff at mile 7.5. If you are newer to trail racing, train the climbs specifically and go into either distance respecting the clock from the gun.

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