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entries openHOBO Pace
Dukeries 40
Next edition: Saturday, 8 May 2027Forest Lane, Walesby NG22 9PF, England
The longer marked Dukeries loop from Walesby through Creswell Crags, Welbeck, Clumber, Thoresby and deeper into Sherwood Forest past the Major Oak.
Race area · approximate race area. Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Location evidence
Existing saved event-to-place evidence reused; geography query derived from 'Forest Lane, Walesby NG22 9PF'. GeoNames exact settlement/suburb name match for 'Walesby', country England, administrative area Nottinghamshire, region East Midlands; population 0 (zero means unspecified). Representative event-area point, not a venue address, exact start or radius guarantee. Directional catalogue locations use the first disclosed event locality only as EVENT_AREA; other route endpoints are not substituted. Geographic lookup does not reverify dates or non-location facts. GeoNames (https://www.geonames.org/), CC BY 4.0; transformed to event-area coordinates with separate event-source evidence.
Location checked 2026-09-14.
Official race site (opens in a new tab)
Optional device-only history; never synced to your account. Shared-device users can leave it off.
Distance40.8 mi
AscentUnknown
Climb / kmUnknown
Cutoff10h 30m
Cutoff pace9:35/km
TechnicalityUnknown
Entry£54
FormatLooped
Next edition
8 May 2027
This is the most relevant confirmed edition currently held for the permanent race family. Edition-specific facts should still be checked against the final organiser instructions.
Edition archive
This is the only edition currently stored for this race family. Earlier verified editions can be added without changing the permanent race URL.
Check the official race source (opens in a new tab)Race For You difficulty
4.5/ 10
Moderate
Limited input evidence · 48% evidence coverage
The main recorded demands are balanced overall demands. Course difficulty and cutoff pressure describe different challenges: more approachable terrain can still require a demanding pace to beat the deadline. Neither score assesses your personal fitness, safety or readiness.
Scoring details and version
Difficulty V2's separate time-limit modifier adds 0.55 points here and is capped at 0.70; a broad limit cannot erase extreme intrinsic demand. This is independent of the public Cutoff Pressure V2 band. Evidence coverage describes the recorded inputs, not prediction accuracy or your likelihood of finishing.
Weather, conditions and individual preparation can change the real difficulty significantly.
How the score works Distance, weighted 30 percent3.5 out of 10
Climbing, weighted 25 percent5.5 out of 10
Technicality, weighted 15 percent5.5 out of 10
Accumulated burden, weighted 17 percent1.5 out of 10
Exposure & support, weighted 13 percent3.5 out of 10
Course analysis
What shapes this race
Expect forest trail that may change character in wet conditions, largely runnable, non-technical surfaces.
trailforestmixednon-technical
Cutoff analysis
Very high pressure
To finish inside 10h 30m, the raw average required is 9:35 per kilometre (15:26 per mile), including every stop.
Raw pace9:35/km
PressureVery high pressure
Cutoff pressure compares the published time limit with distance, ascent and verified course demands. Lower pressure does not mean the race is easy. Raw pace includes checkpoints, food stops, navigation errors and any sleep; it is not a pacing plan.
Because ascent is not verified, Cutoff Pressure V2 uses the model's neutral 20m/km reference density. This assumption does not fill the ascent value or make missing evidence look easy.
Who this suits
First ultra?
There is not enough verified information to assess first-ultra suitability yet.
Navigation
fully marked
The route is described as marked, but runners should still read the final race instructions.
Exposure & kit
unknown kit
Night running is not expected for most entrants based on the current format, but final kit rules still take priority.
Personal race predictor
Prediction unavailable
No current compatible predictor target is available for this family. The selected edition may be complete or cancelled, awaiting a successor, non-standard, or missing model-critical course evidence; older facts are not substituted.
Practical detail
Support & logistics
StartForest Lane, Walesby NG22 9PF
FinishForest Lane, Walesby NG22 9PF
Support levelaid stations
Logistics are only shown where currently recorded. Confirm parking, transport, crew access and final aid-station plans with the organiser.
Latest verification
Trust the source, see the gaps.
Data PartialMarketed as 40 miles but controlled registration says the single loop is 40.8 miles (65.661km). Starts 07:30 at Forest Lane, Walesby NG22 9PF. Overall cutoff 10.5h; enforced intermediate cutoff at A614 Aid Station 3 at 16:00. This is separately entered from Dukeries 30 and remains its own permanent family.
- Successful source check
- 3 Sept 2026
- Catalogue record updated
- 3 Sept 2026
- Official source
- Available
Still unverified: elevation.
Event details can change after a successful source check. Confirm the final route, kit, cutoff, price and entry terms directly with the organiser before entering or travelling.
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