Date
Sat, 1 May 2027
Start
07:00
Venue
White Lake State Park, Tamworth, NH
Tamworth, Carroll County
Countdown
May
The middle option: twelve hours of running the same gentle 2-mile loop. Long enough to be a proper ultra, short enough to finish before the day wears you out.
Key facts
01Timed race: run as many 2-mile laps as you can in 12 hours
02Each lap has only about 50 ft (15 m) of climbing
Create a free training plan for the White Lake Ultras 12 hours
7-day free trial, no card required
The course
One lap, on repeat
Tamworth · one lap
Total climb15m
Duration12hr
Start · finishOne lap · elevation
0 kmDrag map to rotate3.3 km
Weather
Early-May, Tamworth
14°CTypical high
2°CTypical low
-7°CColdest in 20 years
40%Days with rain
Highs around 14°C and lows around 2°C, but it has dropped to -7°C. Rain on 40% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Organiser
OrganiserAravaipa Running
Websitearavaiparunning.com
Instagram@whitemountainendurance
Running since2018
Training
Training for the White Lake Ultras 12 hours
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 White Lake Ultras 12 hours plan targets
Typical sessions
A sustained 12hr effort
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 White Lake Ultras 12 hours plan.
7-day free trial, no card required.
Other races at White Lake Ultras
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