Timberline Marathon
The Timberline Marathon offers a challenging and scenic trail run around Timothy Lake with stunning Mt. Hood views.
Race Date
Jun 6, 2026
Location
Clackamas Lake Historic Ranger Station, OR
Quick facts
- Date
- Saturday, June 6, 2026
- Location
- Clackamas Lake Historic Ranger Station, Oregon
- Distance
- Half marathon (13.1 mi) + 25.2 Miles, 14 Miles
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
- Finishers on record
- 6,509
Highlights
Good For
Atmosphere
Course
The Experience
Set against the backdrop of Oregon's majestic Cascades, the Timberline Marathon series invites runners to experience the natural beauty surrounding Timothy Lake. This event, first held in 2007 and now in its 16th edition, draws participants from approximately 16 states, showcasing its appeal beyond the local community.
The course is a demanding yet rewarding trail run, primarily featuring single-track forest paths and rustic bridge crossings. Runners can expect breathtaking views of Mt. Hood, adding a significant scenic element to the challenge. With a median field size of around 1086 finishers and a growing trend, the event has cultivated a loyal following, with about 21% of participants returning in subsequent years.
The race offers a technical shirt as giveaway, and while the typical winning time suggests a competitive field, the overall atmosphere is one of embracing the rugged, beautiful terrain. It's an ideal destination for those seeking a trail running adventure with spectacular mountain vistas.
Race-provided description
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.
Logistics
Race Day
Saturday, June 6, 2026
Start Time
9:30 AM
Giveaway
Technical Shirt
Start Location
45.098643, -121.750947, Clackamas Lake Historic Ranger Station, OR, 97037
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Forest, Mountain
Surface
Dirt Trail
Difficulty
Hilly
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Standout6917 years running
~1,086 finishers a year
shrinking
21% returning runners
5 timing sources · 7 photos
runners from 18 states
winner 1:33:33
typical high 0°F
Race Day Weather
5-year historical avgStart (Low)
0°
Afternoon (High)
0°
Cool conditions — dress in layers, perfect for fast times
0.0"
Precipitation
0 mph
Wind
0%
Humidity
Historical Finish Times
How 6,509 finishers actually crossed the line across 17 years.
Most recent
2026
Total finishers
6,509
Median time
2:51:44
Latest turnout
533
States
39
Turnout by year
2017–2026
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Timberline Marathon?
The Timberline Marathon is held on Saturday, June 6, 2026, starting at 9:30 AM.
Where does the Timberline Marathon take place?
It takes place in Clackamas Lake Historic Ranger Station, Oregon.
What distances does the Timberline Marathon offer?
The half marathon (13.1 miles), plus 25.2 Miles, 14 Miles.
Is the Timberline Marathon course flat and good for a PR?
The Timberline Marathon is a hilly, loop course course.
How many people run the Timberline Marathon?
HalfRuns has finish records for 6,509 runners who have completed the Timberline Marathon.
HalfRuns editorial — independent, no paid placement.
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