Date
Sat, 3 Jul 2027
Start
06:00
Venue
Petersfield Rugby Club, Petersfield, Hampshire
Sheet, Hampshire
Countdown
July
The full Serpent Trail: 100 km on foot from Haslemere to Petersfield, with only 1,785 m of climbing, so it's a long day more than a steep one.
Key facts
0118-hour time limit
029 checkpoints along the route
03Minimum age 16
Create a free training plan for the Serpent Trail 100 km
7-day free trial, no card required
The course
The route
Sheet
Distance100km
Total climb1,785m
StartElevation
0 kmDrag map to rotate99.9 km
Weather
Early-July, Sheet
21°CTypical high
13°CTypical low
8°CColdest in 20 years
35%Days with rain
Highs around 21°C and lows around 13°C, but it has dropped to 8°C. Rain on 35% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Lizzie Keep09:55:5510.1 km/h
02Liv Taylor10:41:119.4 km/h
03Rebecca Watson11:13:398.9 km/h
36
Women finishers
14:49:38
Median time
6.7 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 Serpent Trail 100 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 Serpent Trail 100 km plan targets
Typical sessions
100 km with 1,785 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 Serpent Trail 100 km plan.
7-day free trial, no card required.
Other races at Serpent Trail
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