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date confirmedRocket Events Ltd
Great Glen Ultra Marathon 42
Great Glen Ultra Marathon series
Next edition: Saturday, 3 July 2027Fort Augustus to Inverness, Scotland
The shorter fixed-distance Great Glen product, covering 42 miles of mixed Highland trail and track in a single point-to-point effort.
Official race site (opens in a new tab)
Optional device-only history; never synced to your account. Shared-device users can leave it off.
Distance42 mi
Ascent1,829m*
Climb / km27.1m
Cutoff15h
Cutoff pace13:19/km
Technicality4.8/10
EntryFrom £70
FormatPoint-to-point
Next edition
3 July 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
Expand an edition to inspect its year-specific facts. Other years never replace the primary edition facts.
Past editions
2026Completed
These facts belong to the 2026 edition only. Missing values have not been copied from another year.
- Distance
- 67.59 km
- Ascent
- 1,829m approx.
- Cutoff
- 14h
- Entry
- From £70
- Format
- continuous · single stage · point to point
- Stage layout
- Not applicable
Successful source check: 2 Sept 2026Source confidence: mediumThe completed 2026 entry confirms 42 miles, £70-from and cap 150. The organiser explicitly publishes a 14-hour limit; EntryCentral's 09:00–22:00 event window is only 13 hours and remains a timing conflict rather than replacing the labelled cutoff. A required organiser bus connects Inverness to the start.
Check Great Glen Ultra Marathon 42 2026 source (opens in a new tab)
Race For You difficulty
3.8/ 10
Moderate
High evidence confidence · 89% evidence coverage
This score is driven most by balanced overall demands. 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 percent3.6 out of 10
Climbing, weighted 25 percent4.1 out of 10
Technicality, weighted 15 percent4.8 out of 10
Accumulated burden, weighted 17 percent2.4 out of 10
Exposure & support, weighted 13 percent4.3 out of 10
Course analysis
What shapes this race
Expect forest trail that may change character in wet conditions, exposed moorland where weather can amplify the difficulty.
trailforestmoorlandroadmixed
Climbing density
27.1m per km
A more useful comparison than total ascent alone: it shows how consistently the course asks you to climb.
Cutoff analysis
Moderate pressure
To finish inside 15h, the raw average required is 13:19 per kilometre (21:26 per mile), including every stop.
Raw pace13:19/km
PressureModerate 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.
Who this suits
First ultra?
Better suited to runners with prior ultra, mountain or technical-terrain experience than to somebody choosing their first ultra.
4.5/10 suitability
Navigation
fully marked
The route is described as marked, but runners should still read the final race instructions.
Exposure & kit
moderate kit
Some entrants may run into darkness depending on pace and start time. Prepare lighting even if your best-case plan finishes earlier.
Personal race predictor
Will you make the cutoff?
Use a previous result to estimate a realistic range for Great Glen Ultra Marathon 42, your potential buffer and the biggest change in demand.
Practical detail
Support & logistics
Aid stations3 listed
Support levelaid stations
LogisticsPublic transport possible
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 PartialOfficial Rocket Events' 2027 hub verifies the 3 July 2027 date. Its product page verifies 67.59K, approximately 1,829m ascent, a 15-hour cutoff, from-£70 price, full marking and three aid stations. The 2027 registration state was not verified because the current calls to action lead to closed 2026 forms; monitor the official pages for a live 2027 form.
- Successful source check
- 2 Sept 2026
- Catalogue record updated
- 2 Sept 2026
- Official source
- Available
Elevation is approximate or awaiting final confirmation.
Official source 1 (opens in a new tab)Official source 2 (opens in a new tab)Official source 3 (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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