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⏵ Course guide · Idaho ultra

Standhope Ultra Challenge Course Guide

The Standhope Ultra Challenge is a remote, high-altitude beast in the Pioneer Mountains of Central Idaho, billed as the highest trail race in the state, with a 100 miler, a 60K, and a 30K. The 100 piles up more than 23,000 feet of climbing on technical high-alpine trail, with high points near 11,000 feet, long carries between aid, and zero cell service back there. I will walk you through the course first, then give you a pacing and fueling plan built for the vert, the altitude, and the night. There are free calculators along the way to dial in your own numbers.

⏵ At a glance

Standhope Ultra Challenge quick facts

Date
July 25 to 26, 2026 (100 mile, Sat into Sun)
Location
Pioneer Mountains, Central Idaho, near Ketchum (Park Creek to Star Hope)
Distances
100 mile, 60K (about 37.2 mi), and 30K
Elevation gain
100M: 23,000+ ft · 60K: about 9,000 ft · 30K: 4,300+ ft, high points near 11,000 ft
100 mile start
5:00 AM Saturday (60K 6:00 AM, 30K 8:30 AM)
Cutoff
100 mile: 8:00 PM Sunday, about 39 hours, with aid-station cutoffs along the way
Aid stations
12 fully stocked stations on the 100, every one hiked in
Qualifier
No qualifying requirement to enter; not listed as a WSER, Hardrock, or UTMB qualifier

These facts come from the official race site and UltraSignup. Check the current date, start times, cutoffs, and aid stations in the race-day details before you commit. Race logistics change year to year.

The course: where Standhope is won and lost

The 100 is a true backcountry loop through the Pioneer Mountains, over 23,000 feet of climbing across high passes, exposed ridgelines, and alpine basins, with high points up near 11,000 feet. The 60K is about 37.2 miles and 9,000 feet of vert over the same kind of terrain, and the 30K runs the back half of the 60K course. On every distance the day is decided by how you handle the climbs, the altitude, and the long gaps between aid.

The climbs and the altitude: pace them or pay later

Standhope is a climbing race first. The 100 spends the day going up and over high passes and ridgelines, paying out more than 23,000 feet of gain, and you do a lot of it above 9,000 feet with high points near 11,000. That altitude makes every grade feel harder than the same hill at home, so this is not a place to muscle the climbs. Hike the steep pitches with purpose, keep your effort honest, and get to the top with something left. Burn matches early up high and the altitude collects the debt with interest on the back half.

If you live at low elevation, the thin air is the part people most underestimate here. Pace the early climbs by breathing and feel, not by your sea-level splits, and give yourself permission to go easy. There is a very long way to go.

The descents: technical, rocky, and hard on tired legs

What goes up in the Pioneers comes back down on long, rocky, technical descents, and that is where a lot of Standhope races quietly fall apart. Steep loose footing pounds your quads, and if you trashed your legs charging the climbs, the downhills late in the race turn into a slow, careful pick down the mountain. Good descending here is controlled and light on your feet, not a gravity-fed bomb run.

Train the downhills specifically before race day, ideally on rough technical ground. Being able to keep moving downhill when your quads are cooked, your feet are sore, and the trail is rocky is honestly what separates finishers from DNFs on a course like this.

Aid gaps, the night, and being self-sufficient

The 100 has 12 fully stocked aid stations, but every one of them has to be hiked in, and the gaps between them are long and remote with no cell service. You have to be able to take care of yourself in between: carry enough food, fluid, and layers to cover the long carries and a slowdown, and do not count on the next station being close. Use your drop bags at the points where they are allowed to reset, restock calories, and swap gear for the cold.

You will also be out for a full night, maybe more, so plan for it. A real headlamp plus a backup, warm layers for the high exposed sections after dark, and a head that expects the low patches before they hit. The deep-night miles up high, cold and alone and far from the next aid, are where this race tests you most. Keep eating, keep moving, and let the rough patch pass.

Pacing strategy for a high-altitude, vert-heavy 100

With more than 23,000 feet of climbing, real altitude, and technical descents, Standhope is about managing effort over a very long day, not hitting a pace chart. Run the climbs by feel and treat the descents and the night as the real test.

Pace the climbs by grade and effort, not the watch

Your flat-ground pace is meaningless on the Standhope climbs, and at altitude it is worse than meaningless. What matters is grade-adjusted effort: hold a steady output you can sustain up the grade, hike the steep stuff without guilt, and keep your heart rate and breathing in check. The classic blowup here is running the early climbs too hard because the legs feel fresh, then having nothing for the long descents and the night. Use a grade-adjusted pace to turn your real fitness into honest climbing and descending targets so you do not cook the first half.

Build a vert-aware finish prediction

Do not guess your Standhope finish off a road or rolling-trail time. The 23,000-plus feet of climbing, the altitude, the technical footing, and the night all add real hours. A vert-aware finish prediction that accounts for this course’s climbing gives you a realistic window and lets you work back into the aid-station cutoffs, so you actually know how much buffer you have at each checkpoint instead of finding out the hard way.

⏵ Free tools to pace this course

Fueling strategy for the altitude and the distance

The 100 is a very long day at altitude with long carries between aid, so carbohydrate, sodium, and fluid matter as much as fitness. Build the plan around eating steadily for a day-plus on your feet, not around big rescue doses late.

Carbs: steady, simple, and trained

For an effort this long, aim for roughly 60 to 90 grams of carbohydrate per hour, and only push the high end if your gut is trained for it. Altitude tends to kill your appetite and slow your stomach, so keep your fuel simple and easy to get down, and keep eating on a schedule even when you do not feel hungry. The runners who finish Standhope strong are usually the ones who never let the calories slide. Practice your exact race-day carb rate on long climbs so it feels normal, not like an experiment on race day.

Sodium and fluid: plan for the carries

Bias your sodium toward the high end, often around 500 to 700 milligrams per liter of fluid, and more if you are a heavy or salty sweater, because long days of climbing pull a lot out of you. Just as important on this course: carry enough fluid and calories to cover the long, remote gaps between the 12 aid stations instead of rationing to the next one and arriving empty. Weigh yourself before and after a long mountain effort to find your real sweat rate, then build the plan around your own number rather than a generic one.

⏵ Build your fueling plan

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

Start free →Explore the demo

Standhope Ultra Challenge FAQ

How hard is the Standhope Ultra Challenge?

Standhope is one of the harder mountain ultras you can sign up for in the US, and the race does not hide it. The 100 mile route stacks over 23,000 feet of climbing through the Pioneer Mountains of Central Idaho, with high points up near 11,000 feet, technical high-alpine trail, long stretches with no aid, and no cell service back there. It is billed as Idaho’s highest trail race, the aid stations have to be hiked in, and mountain weather can flip on you fast. The flip side is a generous clock: the 100 has roughly 39 hours to finish, so this is about moving well over rough ground for a long time, not about raw speed.

How much climbing is in the Standhope 100?

The 100 mile route climbs over 23,000 feet, which is a serious amount of vert for the distance and a big part of what makes Standhope so brutal. You spend the day going up and over high passes and ridgelines in the Pioneers, with high points reaching up around 11,000 feet, then paying it all back on long technical descents. The 60K covers about 9,000 feet of gain over roughly 37.2 miles, and the 30K, which is the back half of the 60K course, has over 4,300 feet of climbing on rocky, remote trail. Whichever distance you pick, the climbing and the altitude are the whole challenge.

How should I fuel for the Standhope Ultra Challenge?

Treat the 100 as a very long high-altitude effort with long carries between aid. Most runners do well on roughly 60 to 90 grams of carbohydrate per hour, leaning toward the high end only if your gut is trained for it, plus steady sodium that climbs with how hard you sweat (often 500 to 700 mg per liter of fluid, more if you run salty). Altitude can blunt your appetite, so keep it simple and keep eating even when you do not feel like it. With only 12 aid stations across 100 miles and some big gaps, carry enough food and fluid to cover the long stretches instead of counting on the next station. Run your own numbers for your weight, goal time, and the conditions with the free ultra fueling calculator.

What are the cutoff times for the Standhope 100?

The 100 mile race starts at 5:00 AM on Saturday and has an overall cutoff of 8:00 PM on Sunday, which works out to roughly 39 hours on course. There are also cutoffs at aid stations along the way, so you cannot bank every minute of buffer for the end, and on terrain this rough and remote the early aid-station cutoffs are easy to underestimate. Pull up the current aid-station cutoff chart from the race before you start and build your plan backward from those times with margin. Always confirm the exact numbers with the official race, since logistics shift year to year.

What is the terrain and weather like at Standhope?

This is remote, rugged, high-alpine mountain running in the Pioneer Mountains, not a buffed-out trail race. Expect steep climbs, exposed high ridgelines and passes near 11,000 feet, rocky and technical descents, alpine lakes, and long stretches of true backcountry with no cell service. Late July up high can swing from hot sun to cold, wind, and even storms in the same day, and the aid stations all have to be packed in on foot. Pack and dress for the mountains to change on you, because at that elevation they will.

Is the Standhope 100 a good first 100 miler?

It can be done as a first 100, but go in clear-eyed, because this is a hard place to learn the distance. The vert, the altitude, the technical footing, the long aid gaps, and the remote no-service backcountry all ask for specific prep: real time at elevation and on rocky climbs and descents, a fueling and hydration plan you have rehearsed, and the self-sufficiency to take care of yourself between stations. If you have the mountain experience and you respect it, the roughly 39 hour cutoff gives a prepared runner room to finish. If you are brand new to ultras, the 30K or 60K is a smarter way to meet this terrain first.

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