Expected August 2027
Distance
Cutoff
Terrain
The Big Bertha Trail Run on 22 August 2026 is a 12 hour running challenge on the beautiful trails around Bertha Loch. Runners have 12 hours to complete as many 10km laps as they can. Take part solo or as a team.
Bertha Loch
Woodland trails
Gentle hills
Start / Finish
The Start/Finish is on the green next to the visitor car park near Springfield Homes
Same as start
Terrain
Route
What you get
Insurance for all participants
Results in real time
Online entry
Prizes for furthest distance (F/M and NB winners)
Medic team
Free all-day parking
On the day
Marshals on course
First aid on course
Before you enter
Other questions
It is a 12-hour running challenge on the beautiful trails around Bertha Loch. Runners complete as many 10km laps as they can.
Yes, you can take part solo or as a team.
The course includes technical parts and muddy sections, through the woods with gentle hills and scenic views around Bertha Loch.
Entry fee
Registration isn't open yet. We'll show pricing when the organiser confirms.Perth, United Kingdom
Expected August 2027
Provisional date, around Aug 28Are you the organiser of Big Bertha Trail Run - 10K?
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