Date
Sat, 18 Sept 2027
Start
08:30
Venue
Goring Village Hall / Thames Riverside, Goring-on-Thames, Oxfordshire
Goring-on-Thames, Oxfordshire
Countdown
September
A single 50-mile loop out of Goring with a proper but not savage amount of climbing, and 13 hours to run it. A steady ultra for runners ready to step up from the marathon.
Key facts
01Runners must have finished a marathon or longer within its cut-off since 1 Jan 2022
02Minimum age is 20
0313-hour cut-off for the full 50 miles
Create a free training plan for the Chiltern Wonderland 50
7-day free trial, no card required
The course
The route
Goring-on-Thames
Distance80km
Total climb1,700m
StartElevation
0 kmDrag map to rotate72.1 km
Weather
Mid-September, Goring-on-Thames
19°CTypical high
9°CTypical low
3°CColdest in 20 years
35%Days with rain
Highs around 19°C and lows around 9°C, but it has dropped to 3°C. Rain on 35% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Robyn Cassidy02:22:2033.9 km/h
02Hannah Green02:46:0129.1 km/h
03Kate Spratt04:11:4419.2 km/h
9
Women finishers
6:24:52
Median time
12.5 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Chiltern Wonderland 50
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 Chiltern Wonderland 50 plan targets
Typical sessions
80 km with 1,700 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 Chiltern Wonderland 50 plan.
7-day free trial, no card required.
More events in September in United Kingdom
Borders 8-hour ChallengeExpected Early September 2027 · Newcastleton→Dartmoor in a DayExpected Early September 2027 · Okehampton→Highland Perthshire ChallengeExpected Early September 2027 · Scone→Snowdonia Sea2SkyExpected Early September 2027 · Barmouth→The Bà SportiveExpected Early September 2027 · Kinlochewe→Cross Border SportiveSun, 5 Sept 2027 · Brampton→
