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50K ultra runs in Oxfordshire
Find 50k ultra runs near me in Oxfordshire for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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- Sat 27 Sep
- £139
- 12 charities
- Sat 27 Sep
- £139
- 12 charities
Henley-on-Thames, Buckinghamshire, UK
Chiltern 50 Ultra Challenge | Full 50km
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 920 m ascent
- Sat 11 Jul 2026
- £80-£170
- Sat 11 Jul 2026
- £80-£170
Watlington, Oxfordshire, UK
Race to the Stones | Day One | Thames Valley 50K
Cross England’s longest river at the halfway mark before finishing with a triumphant climb towards the iconic Lattin Down Basecamp finish line.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sun 12 Jul 2026
- £80-£170
- Sun 12 Jul 2026
- £80-£170
Wantage, Oxfordshire, UK
Race to the Stones | Day Two | Ridgeline 50K
An ideal choice for your first ultramarathon. Enjoy dramatic views of the vale to your north before finishing at the iconic Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent