Date
Sun, 15 Nov 2026
Start
07:30
Venue
Tarrywile Park, 70 Southern Blvd., Danbury, Connecticut 06810
Danbury, Western Connecticut Planning Region
Countdown
November
The full distance on a loop you learn by heart: four laps of the same trail course, with plenty of climbing stacked up by the end.
Key facts
01Four laps of the shared course, so you pass the start area each time
Create a free training plan for the Tarrywile Half Marathon 42 km
7-day free trial, no card required
The course
One lap, on repeat
Danbury · one lap
Distance42km
Total climb1,829m
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
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Tarrywile Half Marathon 42 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 42 km plan targets
Typical sessions
42 km with 1,829 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
Hill reps and vert to prepare the climbs and descents
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 42 km plan.
7-day free trial, no card required.
Other races at Tarrywile Half Marathon
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