Date
Sat, 14 Nov 2026
Venue
Westerlands, Graffham, Petworth, West Sussex GU28 0QJ
Graffham, West Sussex
Countdown
November
The half-marathon version of the day: one loop of 21.1 km with a single checkpoint. A friendly way into trail running, without the long hours of the 50.
Key facts
01One checkpoint on the course
02Minimum age 18
Create a free training plan for the Five Trails Ultra & 3 Trails Half 21 km
7-day free trial, no card required
The course
The route
Graffham
Distance21km
StartElevation
0 kmDrag map to rotate21.0 km
Weather
Mid-November, Graffham
12°CTypical high
7°CTypical low
-2°CColdest in 20 years
50%Days with rain
Highs around 12°C and lows around 7°C, but it has dropped to -2°C. Rain on 50% 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
01Julia Anderson02:10:319.7 km/h
02Nicola Capes02:21:378.9 km/h
03Elizabeth Ann Fox02:24:388.8 km/h
12
Finishers
2:35:54
Median time
8.1 km/h
Median speed
Overall · 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 Five Trails Ultra & 3 Trails Half 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 Five Trails Ultra & 3 Trails Half 21 km plan targets
Typical sessions
21 km
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 Five Trails Ultra & 3 Trails Half 21 km plan.
7-day free trial, no card required.
Other races at Five Trails Ultra & 3 Trails Half
More events in November in United Kingdom
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