2027 Timberline Marathon
The Timberline Marathon offers a challenging and scenic trail run around Timothy Lake with stunning Mt. Hood views.
Race Date
Jun 5, 2027
Location
Clackamas Lake Historic Ranger Station, OR
Quick facts
- Date
- Saturday, June 5, 2027
- Location
- Clackamas Lake Historic Ranger Station, Oregon
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
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
JUNE 6-7, 2026 JUNE 6-7, 2026 MARATHON • HALF MARATHON MARATHON • HALF MARATHON MARATHON • HALF MARATHON Register Now Register Now Register Now RACE DETAILS LOCATION Timothy Lake, OR
Logistics
Race Day
Saturday, June 5, 2027
Start Time
TBA
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
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 30°F
Race Day Weather
5-year historical avgStart (Low)
42°
Afternoon (High)
61°
Pleasant conditions — light layers at start, comfortable by finish
0.2"
Precipitation
8 mph
Wind
73%
Humidity
Frequently asked
When is the 2027 Timberline Marathon?
The 2027 Timberline Marathon is held on Saturday, June 5, 2027.
Where does the 2027 Timberline Marathon take place?
It takes place in Clackamas Lake Historic Ranger Station, Oregon.
What distances does the 2027 Timberline Marathon offer?
The half marathon (13.1 miles).
Is the 2027 Timberline Marathon course flat and good for a PR?
The 2027 Timberline Marathon is a hilly, loop course course.
HalfRuns editorial — independent, no paid placement.
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