Date
Sat, 20 Mar 2027
Start
07:00
Venue
Sedalia Center, Big Island, Virginia
Big Island, Bedford County
Countdown
March
The half-marathon distance on trail, one loop with close to 1,000 m of climbing. A good way into the Terrapin Mountain day without the ultra commitment.
Key facts
01Hard cutoff at mile 7.6 at 14:15
029-hour overall limit; the course closes at 16:00
03Results ranked by sex and age group
Create a free training plan for the Terrapin Mountain 21 km
7-day free trial, no card required
The course
The route
Big Island
Distance21km
Total climb991m
StartElevation
0 kmDrag map to rotate20.5 km
Weather
Mid-March, Big Island
14°CTypical high
1°CTypical low
-9°CColdest in 20 years
34%Days with rain
Highs around 14°C and lows around 1°C, but it has dropped to -9°C. Rain on 34% 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
01Dacia Reed02:08:559.8 km/h
02Rebecca Smith02:09:059.8 km/h
03Piper Zealand02:11:269.6 km/h
72
Women finishers
3:35:15
Median time
5.9 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 Terrapin Mountain 21 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 Terrapin Mountain 21 km plan targets
Typical sessions
21 km with 991 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 Terrapin Mountain 21 km plan.
7-day free trial, no card required.
More events in March in United States
