Date
Sun, 15 Nov 2026
Start
08:30
Venue
Tarrywile Park, 70 Southern Blvd., Danbury, Connecticut 06810
Danbury, Western Connecticut Planning Region
Countdown
November
One lap of the shared trail course, the easy way in. A good first taste of trail, and walkers are welcome to take their time.
Key facts
01Hikers and walkers welcome
02Finish within the 7-hour time limit
Create a free training plan for the Tarrywile Half Marathon 10 km
7-day free trial, no card required
The course
One lap, on repeat
Danbury · one lap
Distance10km
Total climb457m
Start · finishOne lap · elevation
0 kmDrag map to rotate20.7 km
Weather
Mid-November, Danbury
10°CTypical high
0°CTypical low
-13°CColdest in 20 years
30%Days with rain
Highs around 10°C and lows around 0°C, but it has dropped to -13°C. Rain on 30% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Emily Grant01:18:527.6 km/h
02Amy Hanlon01:20:467.4 km/h
03Carrie Euring01:25:267.0 km/h
45
Women finishers
1:57:10
Median time
5.1 km/h
Median speed
Women · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Tarrywile Half Marathon 10 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Tarrywile Half Marathon 10 km plan targets
Typical sessions
10 km with 457 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Tarrywile Half Marathon 10 km plan.
7-day free trial, no card required.
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