Tarrywile Half Marathon
Tarrywile Half Marathon challenges runners with technical trails and significant elevation.
Race Date
Nov 15, 2026
Location
Danbury, CT
Quick facts
- Date
- Sunday, November 15, 2026
- Location
- Danbury, Connecticut
- Distance
- Half marathon (13.1 mi) + 26.2M, 10K trail run
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Tarrywile Half Marathon is a true test of grit, set against the scenic backdrop of Danbury, Connecticut's Tarrywile Park. This race is renowned for its demanding course, featuring close to 3,000 feet of elevation gain and challenging Northeast single-track trails that will push even seasoned runners.
Runners can expect breathtaking viewpoints overlooking Danbury and the park's serene lakes, offering moments of beauty amidst the effort. Beyond the half marathon, participants can also opt for a 10K trail run or the full marathon, making it a comprehensive trail running event for various levels of endurance.
This event is a favorite for those seeking a rugged trail experience coupled with rewarding natural scenery. Its consistent popularity speaks to its reputation as a challenging yet beautiful race.
Race-provided description
The Tarrywile Half Marathon, just might be one of the toughest trail half marathons you will ever run. Not only does it have a lot of elevation (close to 3K), a good portion of the terrain is fairly technical Northeast single track. The course offers some amazing viewpoints of Danbury as well as the tranquil lakes in the park. We've got 3 different distances for you: 10K, Half Marathon, and Marathon.
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Lake River, Park
Surface
Dirt Trail
Difficulty
Hilly
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
2 other maps for this race
Quality Score
Solid Pick575 years running
~92 finishers a year
growing or steady
10% returning runners
4 timing sources · 8 photos
runners from 11 states
winner 2:02:04
typical high 50°F
Race Day Weather
5-year historical avgStart (Low)
36°
Afternoon (High)
50°
Cool conditions — dress in layers, perfect for fast times
0.1"
Precipitation
13 mph
Wind
65%
Humidity
Race Photos
Frequently asked
When is the Tarrywile Half Marathon?
The Tarrywile Half Marathon is held on Sunday, November 15, 2026.
Where does the Tarrywile Half Marathon take place?
It takes place in Danbury, Connecticut.
What distances does the Tarrywile Half Marathon offer?
The half marathon (13.1 miles), plus 26.2M, 10K trail run.
Is the Tarrywile Half Marathon course flat and good for a PR?
The Tarrywile Half Marathon is a hilly, loop course course.
HalfRuns editorial — independent, no paid placement.
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