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⏵ Course guide · Georgia ultra

Pine Mountain Trail Run Course Guide

The Pine Mountain Trail Run is one of the oldest ultras in the Southeast, a GUTS classic that has been going since 1980 on the rocky, rolling Pine Mountain Trail in FDR State Park, Georgia. It does not have a single big climb, and that fools people: the whole thing is relentless rolling on technical, leaf-covered single track that beats up your feet and ankles over the miles. I will walk you through the course first, then give you a pacing and fueling plan that fits the rolling terrain and the cold December morning, with free calculators along the way to dial in your own numbers.

⏵ At a glance

Pine Mountain Trail Run quick facts

Date
Early December (Sunday, December 6, 2026)
Location
Pine Mountain Trail, FDR State Park, near Pine Mountain, Harris County, GA
Distances
40 Miler and 19 Miler (a new 10K and a 46 Miler OG invitational added for 2026)
Elevation
Rolling rocky terrain, no big climbs; trail sits roughly between 900 and 1,400 ft
40 Miler start
6:00 AM (must be moving by 6:30 AM)
19 Miler start
9:00 AM (must be moving by 9:30 AM)
Cutoffs
Strictly enforced, generous early and tighter toward the finish; confirm the current numbers
Qualifier
No Western States, Hardrock, or UTMB qualifier status listed by the race

These facts come from the official race site and UltraSignup. The race itself notes GPS is spotty on this course, so mileage is approximate. Check the current date, cutoffs, and aid stations in the race-day details before you commit. Race logistics change year to year.

The course: where Pine Mountain is won and lost

The 40 Miler and 19 Miler both run the Pine Mountain Trail system in FDR State Park, starting and finishing around the Liberty Bell area and rolling out along rocky single track. There is no signature mountain to climb. What there is, mile after mile, is rolling terrain, long gradual grades, and technical, leaf-covered footing that asks for your attention the whole way.

The rolling profile: no big climb, no rest either

The thing to understand about Pine Mountain is that the difficulty is not vertical, it is constant. The course is described as rolling hills with long gradual climbs and no major ascent, and the trail sits roughly between 900 and 1,400 feet. That sounds gentle on paper. In practice it means you almost never get a long flat where you can switch off and cruise, so your legs are working small climbs and descents over and over, and that grind is what wears people down late in the 40.

Run this by effort, not ego. Hike the short steep pitches early when it would be easy to power up them, keep your output even across the rollers, and you arrive at the back half with legs that still turn over. Push the early rolling because none of it looks hard, and the cumulative climbing quietly empties your tank.

The footing: rocky, leaf-covered, and out to get your feet

This is the part that defines Pine Mountain. The surface is genuinely rocky in spots and almost always covered in leaves in December, which hides the rocks right when you need to see them. Toe strikes happen. The odd fall happens. There are minor stream crossings too, ankle-deep, so wet feet are part of the day. Over 40 miles of this, your feet and ankles take a real beating, and that, more than any climb, is what makes the distance hard.

Quick, light feet and a habit of reading the trail a few steps ahead will save you here. Train on technical, rooty, leaf-strewn trail before race day so your ankles are used to it, pick shoes with a rock plate or enough protection, and accept that you will be moving slower over the rough sections than your road pace suggests.

Aid, drop bags, and the gaps in between

The 40 Miler threads a string of aid stations along the trail (Buzzard’s Roost, Fox Den, Mollyhugger, Dowdell’s Knob, Rocky Point, TV Tower), and GUTS volunteers run famously good aid. Dowdell’s Knob is the spot to know: it is a scenic overlook on the course and the place where the longer-distance drop bags live, so plan that as your resupply and morale checkpoint. Between stations, though, the gaps are real rocky trail miles, so carry enough fluid and calories to cover the stretch in front of you rather than running to the next table on fumes.

Confirm the exact aid-station list and mileages in the current race-day instructions, because the lineup and the longer-distance options (the new 10K and the 46 Miler OG for 2026) can shift the logistics year to year.

Pacing strategy for a relentless rolling ultra

Pine Mountain is not won with a pace chart. With no big climb but constant rolling on technical footing, the whole game is holding an even effort over rough trail and not letting the easy-looking early miles trick you into going out hot. Pace it by feel and by grade, not by your flat-ground splits.

Pace by effort over the rollers, not by the watch

Your flat-ground pace is a lie on this course, because the rocky footing and the endless small climbs slow you down even when nothing looks steep. Hold a steady, conversational effort you can keep for hours, hike the short steep bits without feeling bad about it, and let the watch read whatever it reads. The classic Pine Mountain blowup is running the gently rolling first 15 miles too hard because they feel easy, then crawling the rocky back half. A grade-adjusted pace turns your real fitness into honest targets for this kind of rolling terrain so you do not overcook the start.

Build a finish prediction that respects the terrain

Do not size up your Pine Mountain finish off a flat road time. The rocky footing, the leaf cover, the stream crossings, and the constant rolling all add real minutes that a road pace never sees, and the race openly admits GPS undercounts the distance here. A terrain-aware finish prediction gives you a realistic window and lets you work backward into the cutoffs, which tighten toward the end, so you actually know how much buffer you have at each aid station instead of guessing on tired legs.

⏵ Free tools to pace this course

Fueling strategy for a long, cold day

The 40 Miler is a long day on your feet, often a cold and damp one, with real rocky gaps between aid stations. That makes carbohydrate, sodium, and fluid as much a part of your result as your fitness, and cold weather has a sneaky way of making you forget to eat.

Carbs: steady, trained, and on a schedule

For a long rolling 40 like this, aim for roughly 60 to 90 grams of carbohydrate per hour, leaning to the higher end only if your gut is trained for it. The trap at Pine Mountain is the cold: when you are not hot and not thirsty, it is easy to coast on too little and bonk in the back half on rocky trail where a bonk really hurts. Put your fueling on a clock, not on how you feel, and practice your exact race-day carb rate on long runs so 70 to 90 grams an hour is routine, not a gamble.

Fluid and sodium: do not let the cold fool you

You still sweat in December, even when the air is cool, so keep drinking and keep your sodium coming, somewhere in the 300 to 600 milligrams per liter range, more if you are a salty or heavy sweater. The bigger risk in the cold is under-drinking, because you do not feel thirsty, so build the habit of sipping on a schedule and carry enough between the rocky aid gaps to stay ahead. Weigh yourself before and after a long run in cool weather to find your real sweat rate, then build the plan around your own number instead of 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 a cold Pine Mountain day 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 Pine Mountain course profile, and your projected splits. Summit Line reads your real training, builds a plan for the relentless rolling and the technical footing, and rehearses your fueling so race day is something you execute, not guess at.

Start free →Explore the demo

Pine Mountain Trail Run FAQ

How hard is the Pine Mountain Trail Run?

It is not a mountain race in the climbing sense, but do not let that fool you. The 40 Miler rolls constantly over rocky, leaf-covered single track in FDR State Park, with no big climbs but plenty of small ones and long gradual grades that never really let you settle. The trail is technical underfoot, the footing is uneven, and toe strikes and the odd fall come with the territory, so the difficulty is in the relentless rolling and the beating your feet and ankles take over 40 miles, not in vertical gain. Cutoffs are strictly enforced and tighten toward the finish, so steady effort and quick, careful feet matter more than raw speed.

How much climbing is in the Pine Mountain Trail Run?

The race does not publish a single elevation-gain number, and it is honest that GPS is spotty on this course, so treat any watch figure with a grain of salt. The Pine Mountain Trail itself sits roughly between 900 and 1,400 feet, and the course is described as rolling hills with long gradual climbs rather than any major ascent. So you are not getting one big mountain, you are getting hour after hour of up-and-down on rocky trail, which adds up on tired legs even though no single climb is dramatic.

What is the terrain like at the Pine Mountain Trail Run?

Rocky, rooty, leaf-covered single track on the Pine Mountain Trail system. The surface is genuinely uneven in spots, the leaves hide the rocks underneath in December, and there are minor ankle-deep stream crossings. It is the kind of trail that rewards a runner with good footwork and a habit of looking a few steps ahead, and it punishes anyone who zones out. Train on technical, rocky, leaf-strewn trail before you show up, and protect your feet and ankles.

What are the cutoff times for the Pine Mountain Trail Run?

GUTS strictly enforces cutoffs, and the published guidance is that they are generous to start and get tighter toward the finish, with the rule that you must be through each aid station and back on the trail by the posted time. The race does not publish a single fixed overall number that holds year to year, so the safest move is to read the current race-day instructions for the exact aid-station cutoffs and start your day with that math in mind. Because the back half tightens, you cannot bank all your buffer for the end.

Where are the aid stations on the 40 Miler?

The 40 Miler starts and finishes at the Liberty Bell area and rolls through a string of aid stations along the Pine Mountain Trail, including Buzzard’s Roost, Fox Den, Mollyhugger, Dowdell’s Knob, Rocky Point, and TV Tower, with the longer-distance drop bags accessible at Dowdell’s Knob. GUTS volunteers run great aid, but the gaps between stations are real trail miles on rocky footing, so carry enough fluid and calories to cover the stretch in front of you rather than assuming the next table is close. Confirm the current aid-station list and mileages in the race-day details, since the lineup can shift year to year.

What is the weather like for the Pine Mountain Trail Run?

It is an early-December race in west-central Georgia, so expect cool to cold, often damp conditions: highs commonly in the mid-60s down to lows in the 40s, with a real chance of cloud cover and rain. A wet, leaf-covered, rocky trail is slicker and the footing gets trickier, and a cold start before a 6:00 AM gun means you want layers you can shed. Plan your clothing for a chilly, possibly rainy morning and warming through the day, and remember that staying fueled is harder when you are cold and not thirsty.

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.