Summit Line

⏵ Course guide · Virginia ultra

Hellgate 100K++ Course Guide

Hellgate is David Horton’s legendary winter ultra in the Blue Ridge, about 66.6 miles and roughly 13,000 feet of climbing on rough, technical Virginia mountain trail, and it starts at 12:01 in the morning so you run the first hours in the cold and the dark. It is a cult-classic sufferfest with a tiny, hand-picked field and a hard 18-hour cutoff. I will walk you through the course first, then give you a pacing and fueling plan that fits the vert, the night, and the December cold. There are free calculators along the way to dial in your own numbers.

⏵ At a glance

Hellgate 100K++ quick facts

Date
Second Saturday of December (the 2026 running starts 12:01 AM Sat Dec 12, 2026)
Location
Start at the Glenwood Horse Trail near Big Hellgate Creek (near Glasgow), finish at Camp Bethel near Fincastle, Jefferson National Forest, Blue Ridge, VA
Distance
“100K++”, about 66.6 miles (107.2 km) of Horton miles
Elevation gain
Roughly 13,000 ft of climbing
Start
12:01 AM, in the dark, by headlamp
Cutoff
18 hours overall (finish by about 6:01 PM), with intermittent cutoffs (for example Floyd’s Field ~mi 22.5 by 6:40 AM, Bearwallow Gap ~mi 42.5 by 12:30 PM)
Field
Small, roughly 140 runners, selected by application and race-history review
Qualifier
Western States 100 qualifier (confirm the current finish-time threshold with the race)

These facts come from public sources (the VHTRC, Wikipedia, ATRA, and race listings). Check the current date, start time, cutoffs, and aid stations in the official race-day instructions before you commit. Race logistics change year to year.

The course: where Hellgate is won and lost

Hellgate is a long point-to-point through the Jefferson National Forest, from the Glenwood Horse Trail near Big Hellgate Creek out to Camp Bethel near Fincastle, about 66.6 miles and roughly 13,000 feet of gain. It is not one signature climb, it is climb after climb with steep, technical descents in between, run mostly in the dark for the first stretch. Here is where the day actually turns.

The night start and the early climbs

You leave at 12:01 in the morning, straight into a climb up toward Petites Gap, and the whole opening of the race happens by headlamp in the cold. The temptation is to run hard early because you feel fresh and the dark makes time feel weird, but this is the classic Hellgate blunder. Settle in, hike the steep grades, and keep your effort honest, because you have a very long way to go and the hardest climbing is still ahead.

The footing in here is real trail: rocky, rooty, leaf-covered, with early creek crossings and off-camber, rutted single-track that hides ankle-breakers under the leaves. Run within yourself, watch your feet, and treat the night as something to manage patiently rather than fight. A good light setup and a calm head through the dark hours pay off for the rest of the day.

The middle miles and the gravel road

The middle of the course mixes technical trail with stretches of Forest Service road, and somewhere in here the sun finally comes up, which is one of the best feelings in ultrarunning. The runnable road sections are a gift and a trap: they let you make time, but it is easy to overcook them and arrive at the late climbs with nothing left. Keep eating, keep the effort steady, and do not spend your whole bank just because the surface got easier.

This is also the stretch where the intermediate cutoffs live, like Floyd’s Field and Bearwallow Gap, so you want to come through the middle with a buffer, not on the edge. If you nailed the night and fueled through the cold, you reach the back third with your head up. If you hammered the road, this is where the wheels start to wobble.

The Parkway climb and the long way home

The back of the course is where Hellgate earns its reputation. There is a long, grinding climb up toward the Blue Ridge Parkway late in the race that is notorious for its false summits, the kind where you crest what you swore was the top and there is just more mountain. By now you are deep into the day, your quads are wrecked from the descents, and the cold and the miles are stacking up. This is a pure mental section, and how you handle it decides your day.

Then you still have to get down to the finish at Camp Bethel, and that closing descent is no joke on trashed legs. Practice steep, technical downhill before race day so you can keep your feet moving late instead of tiptoeing the last miles. Hold a little something back for the Parkway climb and the drop after it, and you finish strong instead of crawling in under the cutoff.

Cold, ice, and the small field

It is December in the Virginia mountains, so the weather is part of the course, not a side note. You can get clear and cold in the teens, or wind, ice, and snow up high, and the worst footing of the day is often frozen ground and ice hiding under leaves. Dress for cold you can actually run in, carry layers for when you slow down or the wind picks up on the ridges, and assume the high points are colder than the valley start.

The field is tiny and hand-picked, which changes the feel of the race. For long stretches you may be running alone in the dark, so you have to be self-reliant and keep yourself moving without a crowd to pull you along. Aid stations are spread out across the course with crew access at several of them, but the gaps are long, so carry what you need and do not count on company.

Pacing strategy for a vert-heavy night ultra

With roughly 13,000 feet of climbing, a midnight start, and an 18-hour cutoff, Hellgate is about managing effort over a very long day, not hitting a pace chart. Run the climbs by feel, protect your quads on the descents, and work backward from the cutoffs.

Pace the climbs by grade, not by the watch

Your flat-ground pace means nothing on Hellgate’s climbs. What matters is grade-adjusted effort, so hold a steady output you can sustain up the grade and power-hike the steep pitches without feeling like you are losing the race. The big mistakes here are running the early Petites Gap climb too hard in the dark and burning the runnable road sections, then falling apart on the long Parkway climb. Use a grade-adjusted pace to turn your real fitness into honest climbing and descending targets so you do not torch the first half.

Build a finish prediction that respects the vert and the cutoffs

Do not guess your Hellgate finish off a road 100K time, because the 13,000 feet of climbing, the technical footing, the dark, and the cold all add real time. A vert-aware finish prediction that accounts for this course gives you a realistic 18-hour-or-under window and lets you back into the intermediate cutoffs, so you actually know how much buffer you should have at Floyd’s Field and Bearwallow Gap instead of finding out the hard way. Plan the day around hitting those checkpoints with margin.

⏵ Free tools to pace this course

Fueling strategy for the cold and the long day

Most runners are out on Hellgate for a very long time, much of it in the cold and the dark, so carbohydrate, sodium, and fluid matter as much as fitness. The cold is the wildcard: it blunts your thirst and messes with your appetite, so you have to fuel on a plan, not on how you feel.

Carbs: steady, easy to get down, and on a schedule

For a day this long, aim for around 60 to 90 grams of carbohydrate per hour, and only push the higher end if your gut is trained for it. In the cold your appetite drops and it is easy to quietly under-eat for hours, which is how people blow up late on the Parkway climb. Put your fueling on a timer instead of waiting until you feel like eating, lean on things that still go down when you are cold and tired, and practice your exact race-day carb rate on long runs so it feels automatic.

Sodium, fluid, and keeping it from freezing

Even in winter you sweat under layers on the climbs, so keep taking sodium, generally somewhere around 300 to 700 milligrams per liter of fluid, and more if you run salty or hot. The catch at Hellgate is the cold: you will not feel thirsty, so it is easy to drink too little and slide into a deficit, and on cold years hydration lines and bottles can actually freeze. Keep soft flasks and tubes close to your body, sip on a schedule, and carry enough to cover the long gaps between aid. Dial your real numbers in on a cold long run, not on race morning.

⏵ Build your fueling plan

Get a carb, sodium, fluid, and caffeine plan per hour built for your weight, your goal time, and a long cold night 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 Hellgate course profile, and your projected splits. Summit Line reads your real training, builds a plan for the climbing and the night, and rehearses your fueling so race day is something you execute, not guess at.

Start free →Explore the demo

Hellgate 100K++ FAQ

How hard is the Hellgate 100K++?

Hellgate has a reputation as one of the hardest 100Ks in the country, and a lot of people will tell you it runs more like a 100 miler than a 100K. You get about 66.6 miles with roughly 13,000 feet of climbing on rugged, technical Blue Ridge trail, you start at 12:01 in the morning so the first six or seven hours are in the dark, and it is December in the Virginia mountains so cold, wind, ice, and snow are all on the table. The field is small and hand-picked, and the 18-hour cutoff is real, with intermediate cutoffs you have to hit along the way. If you respect the night, the cold, and the late climbs, it is doable, but it is not a course you wing.

How much climbing is in the Hellgate 100K++?

Plan on roughly 13,000 feet of total elevation gain over the 66.6 miles. It is not one giant climb, it is a long series of climbs and steep, technical descents stacked end to end, including a big early grind up toward Petites Gap and a brutal long climb up to the Blue Ridge Parkway in the last stretch that is famous for its false summits. The descents beat up your quads as much as the climbs tax your lungs, so train both. The total is enough vert that your flat-ground pace is basically useless for predicting your finish.

Why does Hellgate start at 12:01 in the morning?

The 12:01 AM start is the whole character of the race, and it is on purpose. David Horton built it that way so you run the first several hours by headlamp through the cold and the dark, which is physically and mentally harder than a normal daybreak start and is a big part of why Hellgate is Hellgate. Practically, it means you need a dialed lighting setup: a bright headlamp, a backup light, and enough batteries to get you to sunrise and then some. The sun coming up somewhere in the middle miles is one of the great moments of the race, but you have to earn it first.

What are the cutoff times for the Hellgate 100K++?

The overall limit is 18 hours, so from the 12:01 AM start you need to be done at Camp Bethel by roughly 6:01 PM. There are intermediate cutoffs along the way too, commonly cited at Floyd’s Field around mile 22.5 and Bearwallow Gap around mile 42.5, so you cannot bank all your buffer for the end. Because the field is selected partly on whether the committee thinks you can beat the cutoff, getting in is its own bar. Always confirm the exact intermediate cutoffs in the current race-day instructions before you start.

What is the terrain and weather like at Hellgate?

The course is rugged Blue Ridge mountain trail: technical single-track, rocky and leaf-covered footing, some Forest Service road, steep climbs, and steep descents, with the early creek crossings and a lot of off-camber, rutted trail. It is December in the Virginia mountains, so the weather can be anything from clear and cold in the teens to wind, ice, and snow up high, and footing gets sketchy when the leaves hide ice and rocks. Dress for cold you can run in, carry layers for when you slow down, and assume the high points will be colder and windier than the start. Confirm the current course and conditions with the race, because details shift year to year.

Is Hellgate a good first 100K?

Honestly, no, not as a first crack at the distance. The midnight start, the cold, the technical terrain, the 13,000 feet of climbing, and the tight 18-hour cutoff make it a brutal place to learn what a 100K feels like, and the selective entry means it is not really set up as a beginner race anyway. Get a more forgiving 100K or a couple of 50-milers under you first, then come to Hellgate when you can handle night running, real vert, and cold-weather fueling. If you show up with that base and a rehearsed plan, it is one of the best hard days you will ever have on trail.

This guide is independent and for planning only. The course details, dates, start time, 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.