Trionium Midsummer Munro Half Marathon
Challenging trail half marathon across the hills of Box Hill, featuring demanding climbs, exhilarating descents and spectacular Surrey countryside views.
| Date | Sunday 28th June, 2026 |
|---|---|
| Distance | Half Marathon |
| Location | Box Hill Fort |
| Town/City | Box Hill |
| Area | Surrey |
| Start postcode | KT20 7LB |
| Start time | 8:00am |
| Website | Visit website |
The Midsummer Munro Half Marathon is one of Surrey's toughest trail running challenges, taking runners across the steep hills and woodland trails of the Box Hill area. Starting and finishing at Box Hill Fort, the event is renowned for its relentless climbs, rewarding descents and stunning views across the Surrey Hills National Landscape.
The approximately half marathon distance follows a demanding off road route over technical trails, woodland tracks and open hillside paths, with significant elevation gain throughout. Inspired by the challenge of Scottish mountain running, the course rewards determined runners with panoramic scenery and an unforgettable trail running experience.
Expertly organised by Trionium, the event offers excellent course marking, marshals and support throughout the race. Whether you're looking to test your hill running ability or tackle one of the South East's classic trail events, the Midsummer Munro Half Marathon delivers a memorable and rewarding challenge.
Location
Results
| Results | Verification Status |
|---|---|
| 2024 results | Organiser |
| 2023 results | Organiser |
| 2022 results | Organiser |
- Verified
- Chip timing company
- Organiser
- Organiser’s website
- Community
- Social/Other
- Pending
- Results pending
