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⏵ Course guide · Oregon ultra

Smith Rock Classic Course Guide

The Smith Rock Classic is Alpine Running’s springtime high-desert ultra out of Skull Hollow near Terrebonne, with 50 mile, 50K, and 10 mile options on mostly singletrack through Smith Rock State Park, up Gray Butte, and across the wide-open Crooked River Grasslands. It is the successor to the old Smith Rock Ascent, and it trades alpine for exposed: big basalt views, very little shade, and a lot of sun. I’ll walk you through the course first, then give you a pacing and fueling plan that fits the climbing and the exposure. There are free calculators along the way to dial in your own numbers.

⏵ At a glance

Smith Rock Classic quick facts

Date
Saturday, May 30, 2026 (late-May weekend)
Location
Skull Hollow, near Terrebonne, Central Oregon (Smith Rock State Park + Gray Butte)
Distances
50 Mile, 50K, and 10 Mile
Elevation gain
50M: about 7,500 ft · 50K: about 4,500 ft · 10M: about 2,200 ft
Start
50M 6:00 AM · 50K 8:00 AM · 10M 9:00 AM (all from Skull Hollow)
Cutoff
50M: aid 5 (~mi 25) by 12:30 PM, aid 8 (~mi 40) by 5:00 PM · 50K: Grasslands (mi 26) by 4:00 PM, finish 5:30 PM
Surface
About 80% singletrack, 20% gravel road; 50M is two laps of a ~25-mile loop
Qualifier
No Western States, Hardrock, or UTMB Running Stones status listed by the race

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 the Smith Rock Classic is won and lost

Everything starts and finishes at Skull Hollow. The 50 mile is two laps of a roughly 25-mile loop (about 7,500 feet of total climbing), the 50K is one bigger trip (about 4,500 feet), and the 10 mile is the short, steep tour up Gray Butte (about 2,200 feet). All of it is mostly singletrack with some gravel road, and almost all of it is out in the open high desert.

Smith Rock and Gray Butte: the climbs that set the tone

The headline terrain is Smith Rock State Park itself and the climb up and over Gray Butte. None of it is a single huge alpine wall. It is punchy: rollers, short steep grunts, and stretches where you can actually run. The rocky park trails under the basalt cliffs are stunning, and they are also dusty and loose in spots, so keep your feet quick and do not zone out on the descents.

Climb these efficiently. Hike the steep pitches with purpose, keep your effort even, and you crest each one with legs left. Push the early grade because it feels easy in the cool morning air and you will pay for it later in the sun. On the 50 mile especially, the goal on lap one is to make the climbs feel boring.

The Grasslands: where the exposure does the damage

The Crooked River Grasslands are the part people underestimate. This is wide-open high desert, big sky, almost no shade, and it can be windy. The footing is generally more runnable here, which is exactly the trap: it tempts you to hammer the flat-ish miles right when the day is heating up and the sun is highest. Run these by effort, keep drinking, and treat the open sections as the place your race quietly falls apart if you are careless.

For the 50 mile, you see this terrain twice, and lap two lands in the hottest, most exposed part of the day. That is the section to respect. Bank patience and fluid on lap one so you have something left when the Grasslands turn into a furnace on lap two.

Aid spacing and the cutoffs

The 50 mile has seven full aid stations plus one with minimal provisions, and the 50K has four full stations. That sounds like plenty, but in the open desert the gaps still feel long and sun-baked, so carry enough fluid and calories to get yourself across them instead of running into aid empty. The cutoffs are firm: 50 mile runners clear aid 5 (around mile 25) by 12:30 PM and aid 8 (around mile 40) by 5:00 PM, and 50K runners hit the Grasslands aid (mile 26) by 4:00 PM with a 5:30 PM finish.

A note on logistics: the rules lean minimal. For the 50K the race lists no pacers, no drop bags, and no dogs, with crew only at the Smith Rock aid station. Plan to be self-sufficient and confirm the current policy for your distance before race day.

Pacing strategy for a rolling, exposed high-desert ultra

With the climbing spread across rollers instead of one big ascent, and the heat building as the day goes, the Smith Rock Classic is about managing effort, not chasing a pace chart. Run the climbs by feel, hold back on the open ground, and the back half stays under control.

Pace the climbs by grade, not by the watch

Your flat-ground pace means nothing on the punchy climbs around Smith Rock and Gray Butte. What matters is grade-adjusted effort, so hold a steady output you can keep up the grade and hike the steep pitches without feeling bad about it. The classic mistake here is running the rollers and the runnable Grasslands too hard early because it feels easy in the cool air, then unraveling in the afternoon sun. Use a grade-adjusted pace to turn your real fitness into honest climbing and descending targets so you do not torch the first lap.

Build a vert-aware finish prediction and back into the cutoffs

Do not guess your Smith Rock finish off a road time. The 7,500 feet on the 50 mile (or 4,500 on the 50K), the dusty footing, and the heat all add real time. A vert-aware finish prediction that accounts for this course’s climbing gives you a realistic window, and on the 50 mile it lets you work back into the 12:30 PM and 5:00 PM cutoffs so you know exactly how much buffer you have at each checkpoint instead of guessing as the sun climbs.

⏵ Free tools to pace this course

Fueling strategy for the heat and the duration

The 50 mile is a long day in the high-desert sun, and even the 50K keeps most runners out for hours in the open. That makes carbohydrate, sodium, and fluid every bit as important as fitness.

Carbs: steady and trained

For an effort 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. Heat kills your appetite and slows your stomach down, so keep your intake steady and easy to get down instead of gambling on big late doses. Practice your exact race-day carb rate on hot, long runs so 80-plus grams an hour feels normal, not like an experiment you are running on lap two.

Sodium and fluid: plan for the sun and the open gaps

In dry high-desert heat you lose more than you think, so lean toward the high end on sodium, often around 500 to 700 milligrams per liter of fluid, and more if you are a heavy or salty sweater. Just as important, carry enough fluid to get across the long, shadeless stretches between aid instead of rationing to the next station and arriving empty. Weigh yourself before and after a hot long run to find your real sweat rate, then build the plan around your own number.

⏵ Build your fueling plan

Get a carb, sodium, fluid, and caffeine plan per hour built for your weight, your goal time, and the Smith Rock high-desert heat 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 Smith Rock Classic course profile, and your projected splits. Summit Line reads your real training, builds a plan for the rolling climbs and the exposure, and rehearses your fueling so race day is something you execute, not guess at.

Start free →Explore the demo

Smith Rock Classic FAQ

How hard is the Smith Rock Classic?

It is a real high-desert mountain ultra, not a flat cruise. The 50 mile stacks around 7,500 feet of climbing into two laps of a roughly 25-mile loop on mostly singletrack, the 50K runs about 4,500 feet, and even the 10 mile packs about 2,200 feet up Gray Butte. What makes it bite is the exposure: this is open high desert with very little tree cover, so the sun and wind are on you most of the day. The 50 mile has cutoffs at aid 5 (around mile 25) by 12:30 PM and aid 8 (around mile 40) by 5:00 PM, so you cannot dawdle through the heat of the day.

How much climbing is in the Smith Rock Classic?

Per UltraSignup and the race, the 50 mile has about 7,500 feet of gain and loss, the 50K about 4,500 feet, and the 10 mile about 2,200 feet. None of it is one giant alpine climb. Instead it is a steady series of rollers and punchy climbs around Smith Rock State Park, up and over Gray Butte, and out across the Crooked River Grasslands. The 50 mile feels harder than the raw number suggests because you do that whole loop twice, so the second lap is the same climbing on tired, sun-cooked legs.

What are the cutoff times for the Smith Rock Classic?

For the 50 mile there are two checkpoints to clear: aid station 5 (around mile 25) by 12:30 PM and aid station 8 (around mile 40) by 5:00 PM. The 50K has a cutoff at the Grasslands aid station (mile 26) at 4:00 PM and a finish cutoff at 5:30 PM. Those are firm, so back your pacing into them instead of saving all your buffer for the end. Always confirm the current cutoffs in the race-day details, since they can shift year to year.

What is the terrain and weather like at the Smith Rock Classic?

The course is roughly 80% singletrack and 20% gravel road, winding through Smith Rock State Park under the basalt cliffs, up Gray Butte, and across the open Crooked River Grasslands. Footing ranges from smooth desert singletrack to rocky, dusty, and loose, so it rewards quick feet. Late May in Central Oregon high desert is unpredictable: it can be cool and breezy in the morning and then hot, dry, and fully exposed by midday, sometimes with real wind. Plan for a wide temperature swing and very little shade.

Does the Smith Rock Classic allow pacers, crew, or drop bags?

The rules lean minimalist, in line with the smaller-race feel. For the 50K the race lists no pacers, no drop bags, and no dogs on course, with crew access only at the Smith Rock aid station. The 50 mile has more aid (seven full stations plus one with minimal provisions), but you should still plan to be self-sufficient between them and confirm the current crew and drop-bag policy for your distance before race day. Do not assume you can hand off gear anywhere you like.

Is the Smith Rock Classic a good first ultra?

The 50K or the 10 mile can be a great first trail goal if you respect the exposure and train the climbs. It is a well-run race on stunning terrain, and the 50K cutoffs (4:00 PM at mile 26, 5:30 PM finish) give a prepared first-timer room to finish. The 50 mile is a bigger ask: two full laps, about 7,500 feet of climbing, and a long day in the high-desert sun with firm intermediate cutoffs. If it is your first 50 miler, train the back-to-back long runs and rehearse your heat and fueling plan before you toe the line.

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.