Description

Date: 30 January 2027

The OTT Winter Ultras are a brutal duo of ultras that will challenge you to the absolute max. Harsh winter conditions, rugged mountain terrain, iconic peaks, long hours in darkness, a self-guided route and a sense of achievement at the finish line like no other.

Two distances, 75 and 100. Built for experienced ultra runners only.

Pick the distance and experience the Brecon Beacons in Winter.

Please do not book a place if you are not an experienced ultra runner with 50 or more miles distance achieved. 

Scroll down for full compulsory kit list.

WINTER ULTRA: 100 MILE Route

WINTER ULTRA: 75 MILE Route

Compulsory Kit

All clothing layers (including thermal base layers, spare socks, and the emergency insulation jacket) MUST be packed inside sealed, waterproof dry bags inside your running pack. Loose items or items packed in unsealed plastic bags will result in a kit-check failure at registration.
 
Waterproof Jacket with Hood: Must have a minimum 20,000mm hydrostatic head rating with fully taped seams. Windproof or water-resistant windbreakers are strictly prohibited.
 
Waterproof Trousers: Must have a minimum 10,000mm hydrostatic head rating with fully taped seams.
 
Emergency Insulation Layer: A high-loft down or synthetic jacket (minimum 100g fill weight) packed inside a sealed, waterproof dry bag. This must remain unused unless an emergency occurs.
 
Thermal Base Layers: Full-length long-sleeve top and full-length bottoms (minimum 150gsm merino wool or synthetic equivalent). Compression gear or standard summer running tights do not meet this requirement.
 
Headwear: Minimum of two warm hats, beanies, or balaclavas (one must be thermal/fleece), any buffs will not count as headwear. eye protection (must have a strap that secures to the head).
 
Gloves/Mittens: Minimum of two pairs. One pair of lightweight liner gloves and one pair of heavy-duty, fully waterproof/windproof over-mitts.
 
Survival Bivvy Bag: Must be a full-enclosure, reusable foil or heavy-duty bivy bag (e.g., SOL Escape Bivvy). Standard flat space blankets that do not enclose the body are not accepted.
 
Insulating Sleeping Mat: A lightweight, minimalist closed-cell foam or inflatable mat to insulate the runner from frozen ground during an emergency stop.
 
Survival Whistle: Easily accessible
 
Safety Light: Clip-on LED red light.
 
Primary Headlamp: Minimum 300 lumens output with enough spare lithium batteries or power banks to run on high power for 16 hours (the duration of a winter night).
 
Backup Headlamp: Minimum 100 lumens, completely independent of the primary light source.
 
Mobile Phone: Fully charged at the start line, kept in a waterproof case inside a warm clothing pocket (to protect battery life). The Race Director’s emergency number must be pre-saved.
 
Backup Power Bank: Minimum 10,000mAh with appropriate cables to charge the phone and GPS device.
 
Official Route Map: A physical, waterproof paper map covering the entire route (e.g., OS or Harvey Maps). Digital maps on phones or watches do not satisfy this requirement.
 
Magnetic Compass: A standard baseplate or mirror compass. Runners must know how to use it to take a bearing.
 
GPS Device: A dedicated handheld GPS unit or a sports watch pre-loaded with the official event GPX file.
 
Fluid Capacity: Minimum capacity to carry 1 Litre of fluid. If using soft flasks or bottles, insulated sleeves are strongly recommended to prevent freezing.
 
Emergency Food Rations: Minimum 800 kcal of sealed, unconsumed food. This must remain wrapped at the finish line unless an emergency occurs.
 
Appropriate footwear: no road shoes, sandals or flip-flops.
 
Ice spikes: Or ice grips.
 
First Aid Kit: Must contain a minimum of: 1x sterile field dressing, conforming bandage, zinc oxide blister tape, assorted plasters, and antiseptic wipes.

100 MILE: CHECKPOINTS AND CUT-OFF

Drop bags are available at checkpoint 2, 4 and 5 for 100 mile race. Sleep station is at checkpoint 4 

Checkpoint 1: Pont ar daf at 15 miles

Checkpoint 2: Ystradfellte at 23.5 miles (Drop bag available)

Checkpoint 3: Pant ar Daf at 40 miles

Checkpoint 4: Llanfrynach Village Hall at 60.5 miles (Sleep station + Drop bag available)

Checkpoint 5: Talybont at 72 miles(Drop bag available)

Checkpoint 6: Blean-y-Glyn at 82.5 miles

Checkpoint 7: Torpantau at 90.5 miles

Checkpoint 8: Pant at 97 miles

40‑hour cut‑off — finish by 22:00 on 31 January 2027.

75 MILE: CHECKPOINTS AND CUT-OFF

Drop bags are available at checkpoint 2 and 3 for 75 mile race. Sleep station checkpoint 2.

Checkpoint 1: Pont ar daf at 15 miles

Checkpoint 2: Llanfrynach Village Hall at 37 miles (Sleep station + Drop bag available)

Checkpoint 3: Talybont at 46.5 miles (Drop bag available)

Checkpoint 4: Blean-y-Glyn at 56 miles

Checkpoint 5: Torpantau at 64 miles

Checkpoint 6: Pant at 72 miles

40‑hour cut‑off — finish by 22:00 on 31 January 2027.