Course map, elevation profile & surface
Race-day light
For a 23:15 finish (an estimate) · starting 4:00 AM Aug 22 · dark at the start until mi 8.5 · headlamp mi 69–the finish. Dark means the sun below civil twilight.
Climbs
13 climbs · 11,990 ft totalbiggest firstCutoffs can you make it? pick a goal
What would your day look like? Pick a goal finish.
| Checkpoint | mi | Cutoff | Your ETA | Clock | Margin |
|---|---|---|---|---|---|
| Turquoise Lake Dammi 20.5 | 20.5 | — | — | — | |
| Outward Boundmi 26.0 | 26.0 | — | — | — | |
| Half Pipemi 31.8 | 31.8 | — | — | — | |
| Twin Lakes Villagemi 40.3 | 40.3 | — | — | — | |
| Hope Passmi 45.4 | 45.4 | — | — | — | |
| Winfieldmi 52.2 | 52.2 | — | — | — | |
| Twin Lakes Villagemi 64.0 | 64.0 | — | — | — | |
| Half Pipemi 72.6 | 72.6 | — | — | — | |
| Outward Boundmi 78.3 | 78.3 | — | — | — | |
| Turquoise Lake Dammi 84.2 | 84.2 | — | — | — |
ETAs use the Run Planner’s effort model: climbs slow you, descents give a little back. Margins under 30 minutes are red, under 90 amber. Confirm cutoffs with the race.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A Carter Summit Mini Aid | 10.6 | 17.1 |
| A Turquoise Lake Dam | 20.5 | 33.0 |
| A Outward Bound | 26.0 | 41.8 |
| A Half Pipe | 31.8 | 51.2 |
| A Twin Lakes Village | 40.3 | 64.9 |
| A Hope Pass | 45.4 | 73.1 |
| A Winfield | 52.2 | 84.0 |
| A Hope Pass | 59.0 | 95.0 |
| A Twin Lakes Village | 64.0 | 103.0 |
| A Half Pipe | 72.6 | 116.8 |
| A Outward Bound | 78.3 | 126.0 |
| A Turquoise Lake Dam | 84.2 | 135.5 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
Race director? Check this course and correct anything that’s off, and it carries a ✓ verified by the race badge everywhere it appears, including the free map embed for your own site. Claim your course.
Ran this course and something’s off — an aid station moved, a reroute, a wrong number? Report it and we’ll chase it down; fixes land for every runner (and count toward the race’s verified badge).
Conditions typical race-day weather for Aug 22 at the start
Typical = the median of 2016–2025 for Aug 22 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Reviews what runners who have been there say
No reviews yet — be the first to run it and tell other runners what to expect.
About this course
Leadville Trail 100 Run — 2026 covers 99.6 mi (160.2 km) with 15,014 ft of elevation gain through Colorado, United States. That is about 151 ft per mile of climbing, and 15,014 ft of descent. The course tops out at 12,537 ft and bottoms out at 9,204 ft. The surface is 35% trail, 35% gravel and 30% paved. There are 12 aid stations on course; the longest stretch between aid is 15.4 mi. The profile has 13 sustained climbs; the biggest is the climb to Hope Pass, +3,316 ft over 5.6 mi at 11.2% on average (steepest stretch 28%). Race day is August 22, 2026, starting at 4:00 AM; the sun rises at 6:26 AM and sets at 7:53 PM. Typical race-day weather at the start: a high of 66°F and a low of 40°F, with a 46% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
Load the course in the TrailGoat Run Planner for grade-adjusted pacing, climb-by-climb splits, hourly weather and a full hydration & fueling plan — free, no account needed.
Race director? — one line of HTML, always up to date.
Course history
- Aug 18, 2026Added to the catalog
Similar courses close in distance, climbing per mile, month and region
More race courses
- The Bear Chase Half Marathon Sunday — 202613.2 mi · Colorado, United States
- Valkyrie Trail Race Marathon — 202725.8 mi · Colorado, United States
- Valkyrie Trail Race 50K — 202725.9 mi · Colorado, United States
- The Bear Chase 50K — 202631.0 mi · Colorado, United States
- Rattler Trail Race 50K — 202729.8 mi · Colorado, United States
- The Bear Chase 50 Mile — 202649.8 mi · Colorado, United States
Not seeing the race you came for? — most are live within a day.