Oblivion Samhain
New for 2025: Oblivion Samhain at Nuclear Races Fallout.
| Date | Saturday 1st November, 2025 |
|---|---|
| Distance | Ultra |
| Location | Kelvedon Hatch Secret Bunker |
| Town/City | Brentwood |
| Area | Essex |
| Start postcode | CM15 0LA |
| Start time | 9:00am |
| Organiser | Lucy Goodson |
| Website | Visit website |
| Run For Charity |  Start Fundraising On GoFundMe |
5.5 hours to complete as many 6K laps of the Nuclear Fallout course. Oblivion Samhain has potential for 35k with 200 + obstacles. A minimum 3-5 x 6K laps to complete the classic Oblivion Samhain challenge & gain your Oblivion Extreme medal. This challenge is a physical and mental test of endurance and stamina.
The minimum distance will be determined on race day by the temperature and weather conditions.
