Centurion Hundred Hills 50k
- Total distance: 50 km
- Location: South Oxfordshire
- Race Date: 20 Mar 2027
- Finish rate: 98%
- Navigation: Fully Waymarked
- Nearest Station: Somersham (3.7 km)
- Aid Stations: 6
- Night Running: 0% in darkness
- Pacing Complexity: High (54/100)
Centurion Hundred Hills 50k
- Distance
- 50 km
- Total ascent
- 1,374 m
- Cut-off
- 9h 15m
- Town/Village
- South Oxfordshire
- Date
- 20 March 2027
Overview
No overview text has been written for this race yet.
Quick Facts
- Entrance Cost: Unknown
- Organiser: Centurion Running
- Start Town: South Oxfordshire
- Dogs Allowed: Unknown
- Start Date: 20 Mar 2027
- End Date: 20 Mar 2027
- Start Time: 8:45 AM
- Final Cut-off: 9h 15m
Navigation
- Type: Fully Waymarked
- Closest Train Station: Somersham
- Distance from Start Line: 3.7 km
Eligibility
- Minimum Age: 20 years
- Gender Eligibility: All genders
- Minimum Entry Criteria: Unknown
Toilets
- Hand Washing Beyond Sanitiser: Unknown
- Period Products Provided: Unknown
- Female Only Toilets: Unknown
Family & Spectators
- Baby Changing at Start: Unknown
- Family Friendly Spectator Areas: Unknown
- Flexible Deferral or Cancellation: Unknown
Safety
- Marshalls at Isolated Areas: Unknown
- Safeguarding and Reporting Policy: Unknown
- Can Hide Location from Public Tracking: Unknown
Terrain & Elevation
The course covers a genuine mix of surfaces, with trail (38%) and grass (31%) being the most common and neither clearly dominating. The terrain is highly fragmented, switching roughly every kilometre. This demands constant mental engagement and limits the ability to build a sustained rhythm from surface consistency alone. Ascending sections cover a varied mix of surfaces with no single type dominating the climbs. Downhills are spread across a mix of surfaces, with grass most common.
Centurion Hundred Hills 50k has 18.1 km of trail / path, this is in the top 60% of all our races.
- Trail / Path38% · 18.1 km
- Grass31% · 14.7 km
- Gravel / Track21% · 9.7 km
- Paved Road10% · 4.6 km
Distance
49.8 km
Ascent
1374 m
Descent
1374 m
High Point
230 m
Compared against 28 other races of a similar distance, Centurion Hundred Hills 50k has more total elevation gain than 61% of them, and more elevation gain per kilometre than 61% of them — hillier than most races of this distance.
Source: GPX Data
Gradient
6.15%
Average climb gradient
Do you have experience of moderate climbs like Centurion Hundred Hills 50k's, which average 6.15%?
Centurion Hundred Hills 50k's climbs average 6.15%. If your training never rehearses sustained climbing at that gradient, race day will be the first time your legs meet it.
4.68%
Average descent gradient
Do you have experience of gentle descents like Centurion Hundred Hills 50k's, which average 4.68%?
Centurion Hundred Hills 50k's descents average 4.68%. If your training never rehearses sustained descending at that gradient, the downhills will empty your quads long before the finish.
Source: GPX Data
Climate
Pacing Complexity
Centurion Hundred Hills 50k scores 54/100 for pacing complexity, rated high.
Similar-distance races score a median of 44/100 (5 races compared).
Centurion Hundred Hills 50k is among the more pacing-complex races at this distance. The challenge is not just the total distance or ascent — it is the repeated need to change effort level. A fixed pace target is unlikely to work here. The dominant source of complexity is terrain type changes, which means preparation should include training runs that deliberately mix different intensities in sequence.
Source: GPX Data
Aid Stations
Stations
You'll need to keep an average pace of 5.4 km/h between aid stations to make the cut offs.
Stations
| KM | Name | Gap from Prev | Cut-off | Water | Cold Food | Hot Food | Hot Drinks | Gels | Medic | WC | Bags | Crew |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.6 | Ibstone | 10.6 km | 2h 5m | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | – | ✓ |
| 17.9 | Skirmett | 7.2 km | 3h 25m | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | – | – |
| 23.3 | Stonor | 5.5 km | 4h 30m | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | – | – |
| 32.2 | Hambleden | 8.9 km | 6h 5m | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | – | – |
| 41.4 | Bix | 9.2 km | 7h 45m | ✓ | ✓ | – | – | ✓ | ✓ | ✓ | – | – |
| 50.1 | Stonor | 8.7 km | 9h 15m | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
None of the aid stations on this course are confirmed to offer vegan food, so vegan runners should plan to carry their own nutrition.
Source: Not recorded
Are you ready for Centurion Hundred Hills 50k?
Compare it to a race you've already run, or connect Strava and see the three biggest gaps between your training and what this course will ask of you.




