Timberline Marathon
About this race
Experience a challenging and scenic trail run around Timothy Lake, featuring single-track forest trails, rustic bridge crossings, and stunning views of Mt. Hood in the heart of Oregon’s Cascades.
Pick your distance
Trail running
Marathon - Saturday
Half Marathon - Saturday
You must be able to complete the course within 4.5 hours for the half marathon.
Early Start - Half Marathon - Sunday
Half Marathon - Sunday
Running
Timberline Marathon Virtual Run
Course
The plotted route is a gently rolling loop of 25.24 mi (40.62 km) that finishes where it starts. It runs between 984 m and 1,033 m above sea level (3,228–3,389 ft), a 49 m (161 ft) spread. Total climb is 381 m (1,250 ft) against 380 m (1,247 ft) of descent. The high point falls at 0.19 mi (0.30 km), 1% of the way in.
Elevation every 2 miles
| Point | Distance | Elevation | Change | Gradient |
|---|---|---|---|---|
| Start | 0.00 mi · 0.00 km | 1,022 m · 3,353 ft | — | — |
| Mile 2 | 2.00 mi · 3.22 km | 1,006 m · 3,301 ft | -16 m · -52 ft | -0.5% |
| Mile 4 | 4.00 mi · 6.44 km | 990 m · 3,248 ft | -16 m · -52 ft | -0.5% |
| Mile 6 | 6.00 mi · 9.66 km | 989 m · 3,245 ft | -1 m · -3 ft | 0.0% |
| Mile 8 | 8.00 mi · 12.87 km | 993 m · 3,258 ft | +4 m · +13 ft | +0.1% |
| Mile 10 | 10.00 mi · 16.09 km | 986 m · 3,235 ft | -7 m · -23 ft | -0.2% |
| Mile 12 | 12.00 mi · 19.31 km | 986 m · 3,235 ft | 0 m · 0 ft | 0.0% |
| Mile 14 | 14.00 mi · 22.53 km | 990 m · 3,248 ft | +4 m · +13 ft | +0.1% |
| Mile 16 | 16.00 mi · 25.75 km | 987 m · 3,238 ft | -3 m · -10 ft | -0.1% |
| Mile 18 | 18.00 mi · 28.97 km | 995 m · 3,264 ft | +8 m · +26 ft | +0.2% |
| Mile 20 | 20.00 mi · 32.19 km | 988 m · 3,241 ft | -7 m · -23 ft | -0.2% |
| Mile 22 | 22.00 mi · 35.41 km | 986 m · 3,235 ft | -2 m · -7 ft | -0.1% |
| Mile 24 | 24.00 mi · 38.62 km | 1,019 m · 3,343 ft | +33 m · +108 ft | +1.0% |
| Finish | 25.24 mi · 40.62 km | 1,022 m · 3,353 ft | +3 m · +10 ft | +0.2% |
Drawn from the organizer’s GPX. Distance measures the plotted route and can differ slightly from the certified race distance.
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Results — Timberline Marathon
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 1 Clackamas Lake Historic Ranger Station event
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