OTT TRAIL MARATHON & 10 MILE TRAIL RUN BRECON BEACONS
Date | 16 May 2026
- Registration opens | 7:00am
- Marathon race briefing | 8:50am
- Marathon race start | 9:00am
- 10 mile race briefing | 9:50am
- 10 mile race start | 10:00am
Cost
Affiliated Runners:
- Marathon | £55.00
- Trail 10 Mile | £24.00
Non-Affiliated Runners:
- Marathon | £57.00
- Trail 10 Mile | £26.00
Starting Location
Parkwood Outdoors,
Dolygaer,
Merthyr Tydfil,
CF48 2UR
The Trail Marathon
Trail Marathon within the fantastic Brecon Beacons. Start and Finish at Parkwood – this looped course takes in Pen Y Fan from Graig Fan Ddu before heading up Fan Y Big before heading over to Talybont Reservoir for the final climb up Tor y Foel. A love for the following are a must:- Mountains Trails, Compulsory Kit, Trail Shoes and amazing scenery. All finisher shall receive a OTT Trail Marathon coaster and buff.
You’ll need the following compulsory kit on the day:
- Mobile phone(fully Charged at the start)
- Hydration (minimum of 1 litre)
- Foil blanket or Bivi Bag
- Food & Emergency Rations (400 Cals emergency rations)
- Basic 1st aid kit
- Head torch or torch
- Compass
- Whistle
- Waterproof jacket and trousers (Tapped seems)
- Warm Layer, hat, and Gloves
- Bag/Ruck Sack
There are 3 checkpoints for the race:
- Checkpoint 1 at 7 miles.
- Checkpoint 2 at 14.5 miles
- Checkpoint 3 at 20.5 miles.
*The cut-off for this event is 15:00 at checkpoint 3. This is 6 hours after the start of the race, so a pace of 20mins/mile or quicker is required of entrants.
The Trail Marathon Route
Elevation gain – 4896ft/1492m
The 10 Mile Race
The route follows the OTT Marathon Trail route to Checkpoint 1. There is a mandatory check-in at Checkpoint 1 before you leave the marathoners to follow the forestry tracks back to the start line. Once at the start line, you will follow the same trail you did at the start for just under a mile before cutting down onto another track which will take you to the finish line. The mileage for the event is approximately 10.7 miles.
Mandatory kit:
- First Aid Kit
- Bivy Bag/Foil Blanket
- 500ml of Water
- Waterproof Jacket
All finisher shall receive a OTT Trail Marathon coaster and buff.
*There are no cut offs for this event.
The Trail 10 Mile Route
10.7 mile course
Elevation gain – 1248ft/380m