South Downs - 100 Mile
- Total distance: 160.9 km
- Location: Lewes
- Race Date: 2 Oct 2027
- Format: 1 day
- Nearest Station: Plumpton (0.6 km)
- Aid Stations: 13
- Pacing Complexity: Moderate (48/100)
South Downs - 100 Mile
- Distance
- 160.9 km
- Total ascent
- 3,754 m
- Cut-off
- 34h
- Town/Village
- Lewes
- Date
- 2-3 October 2027
Overview
No overview text has been written for this race yet.
Quick Facts
- Entrance Cost: Unknown
- Organiser: UK Ultra
- Start Town: Lewes
- Dogs Allowed: Unknown
- Start Date: 2 Oct 2027
- End Date: 3 Oct 2027
- Start Time: 6:00 AM
- Final Cut-off: 34h
Navigation
- Type: Unknown
- Closest Train Station: Plumpton
- Distance from Start Line: 0.6 km
Eligibility
- Minimum Age: Unknown
- 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 (41%) and gravel (22%) 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. Climbs are mostly on trail, though the surface varies across the ascents. Downhills are spread across a mix of surfaces, with trail most common.
South Downs - 100 Mile has 58.4 km of trail / path, this is in the top 8% of all our races.
- Trail / Path41% · 58.4 km
- Gravel / Track22% · 32.3 km
- Grass18% · 26.3 km
- Paved Road13% · 18.8 km
- Off-road / Unknown6% · 8 km
Distance
162.5 km
Ascent
3754 m
Descent
3754 m
High Point
243 m
Compared against 13 other races of a similar distance, South Downs - 100 Mile has more total elevation gain than 62% of them, and more elevation gain per kilometre than 62% of them — hillier than most races of this distance.
Source: GPX Data
Gradient
5.57%
Average climb gradient
Do you have experience of gentle climbs like South Downs - 100 Mile's, which average 5.57%?
South Downs - 100 Mile's climbs average 5.57%. If your training never rehearses sustained climbing at that gradient, race day will be the first time your legs meet it.
3.1%
Average descent gradient
Do you have experience of gentle descents like South Downs - 100 Mile's, which average 3.1%?
South Downs - 100 Mile's descents average 3.1%. 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
South Downs - 100 Mile scores 48/100 for pacing complexity, rated moderate.
Similar-distance races score a median of 41/100 (5 races compared).
South Downs - 100 Mile 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 between 0.9 km/h and 5.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.3 | Offham | 10.3 km | 0h | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 18.3 | Glynde | 8.0 km | 0h | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 29.9 | Southease | 11.6 km | 0h | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 48.4 | Falmer | 18.5 km | 0h | ✓ | ✓ | – | – | – | – | – | – | – |
| 62.3 | Saddlescombe Farm | 13.8 km | 0h | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 75.8 | Botolphs | 13.5 km | 14h 30m | ✓ | ✓ | – | – | – | – | – | – | – |
| 86.4 | Findon Village Hall | 10.6 km | 17h 30m | ✓ | ✓ | ✓ | – | – | – | ✓ | ✓ | – |
| 100.3 | Burpham Village Hall | 13.8 km | 20h | ✓ | ✓ | ✓ | – | – | – | ✓ | – | – |
| 108.5 | Houghton | 8.2 km | 22h 30m | ✓ | ✓ | – | – | – | – | – | – | – |
| 120.7 | Washington Village Hall | 12.2 km | 25h 15m | ✓ | ✓ | – | – | – | – | ✓ | ✓ | – |
| 139.9 | Fulking Village Hall | 19.2 km | 29h 15m | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 158.0 | Ditchling Hall | 18.2 km | 33h 15m | ✓ | ✓ | – | – | – | – | ✓ | – | – |
| 161.7 | Finish, Plumpton Racecourse | 3.7 km | 34h | ✓ | ✓ | – | – | – | – | ✓ | – | – |
Vegan food is available at every aid station on this course.
Source: Race Website - Explicit
Are you ready for South Downs - 100 Mile?
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.
