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date confirmedUltra X
Dragon's Back Race
Next edition: Monday, 7 September 2026 – Saturday, 12 September 2026Conwy Castle to Cardiff Castle, Wales
A six-day mountain stage race down the spine of Wales from Conwy Castle to Cardiff Castle, with a mandatory-route format from 2026.
Official race site (opens in a new tab)
Optional device-only history; never synced to your account. Shared-device users can leave it off.
Distance236.1 mi
Ascent16,400m
Climb / km43.2m
CutoffUnknown
Cutoff paceUnknown
Technicality9.5/10
Entry£2099
FormatPoint-to-point
Next edition
7 September 2026 – 12 September 2026
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
Expand an edition to inspect its year-specific facts. Other years never replace the primary edition facts.
Past editions
2025Completed
These facts belong to the 2025 edition only. Missing values have not been copied from another year.
- Distance
- 383.6 km
- Ascent
- 16,600m
- Cutoff
- Not published
- Entry
- Not verified
- Format
- multi stage · point to point
- Stage layout
- Not published
Successful source check: 2 Sept 2026Source confidence: highUseful pre-mandatory-route history. The finish date, overall cutoff and entry price remain unknown rather than copied from the redesigned 2026 race.
Check Dragon's Back Race 2025 source (opens in a new tab)
Race For You difficulty
8.6/ 10
Very hard
Moderate evidence confidence · 73% evidence coverage
This score is driven most by substantial race distance, high climbing demand, accumulated fatigue and format burden. Difficulty V2's separate time-limit modifier adds 0.00 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.
Weather, conditions and individual preparation can change the real difficulty significantly.
How the score works Distance, weighted 30 percent9.3 out of 10
Climbing, weighted 25 percent8.5 out of 10
Technicality, weighted 15 percent9.5 out of 10
Accumulated burden, weighted 17 percent8.5 out of 10
Exposure & support, weighted 13 percent5.9 out of 10
Course analysis
What shapes this race
Expect sustained upland ground and meaningful climbing, sections where foot placement and downhill confidence matter, exposed moorland where weather can amplify the difficulty.
trailmountainfellmoorlandtechnical
Climbing density
43.2m per km
A more useful comparison than total ascent alone: it shows how consistently the course asks you to climb.
Cutoff analysis
Unknown
The official overall cutoff has not yet been verified. Race For You will not estimate one.
Who this suits
First ultra?
This is not designed as a first-ultra recommendation. Significant endurance, navigation or mountain-race experience is strongly advised.
1/10 suitability
Navigation
GPS required
The route is described as marked, but runners should still read the final race instructions.
Exposure & kit
extensive kit
Night-running exposure has not been verified for this edition. Check the organiser’s latest schedule, route information and final kit rules.
Personal race predictor
Will you make the cutoff?
Use a previous result to estimate a realistic range for Dragon's Back Race, your potential buffer and the biggest change in demand.
Practical detail
Support & logistics
Support levelfully supported
LogisticsCamping available
LogisticsAccommodation nearby
LogisticsBag drop
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 PartialUltra X now operates the race. Registration is closed and the current SI total is £2,099. Stage curfews are not stored as one overall cutoff; the current 380km/16,400m route is preferred while official alternatives remain visible.
- Successful source check
- 2 Sept 2026
- Catalogue record updated
- 2 Sept 2026
- Official source
- Available
Still unverified: cutoff.
Official source 1 (opens in a new tab)Official source 2 (opens in a new tab)Official source 3 (opens in a new tab)Official source 4 (opens in a new tab)Official source 5 (opens in a new tab)Official source 6 (opens in a new tab)
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.
Found something wrong?
Help keep this race accurate.
Wrong cutoff? Date changed? New course? Tell us what moved and include the official source if you have it.
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