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100 mile ultra runs in Scotland
Find 100 mile ultra runs in Scotland in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 25 Jul 2026
- £330
Edinburgh, UK
Rat Race 100 Ultramarathon
The 100-mile ultra for people who don't do 100-mile ultramarathons. Walk or run from Edinburgh Castle to Glamis within 48 hours, fully supported.
- Recycling
- Beginner-friendly
- Enter online
- GPS tracking
- Hilly
- Park
- Rural
- Coast
- Sustainability policy
- Public transport links
- Age 18 & over
- 100 miles trail running + 4853 ft ascent
- Fri 18 - Sun 20 Sep 2026
- £160-£220
Fort William, Highland, UK
Skyline Scotland | Skyline Scotland 100M
Climb from Glen Nevis to Sgurr an Iubhair, traverse remote Corrour and Loch Ossian, then race rugged trails, forests and singletrack to a spectacular Nevis Range finish on this mountain adventure.
- Chip timing
- Enter online
- GPS tracking
- Mountainous
- Age 18 & over
- 100 miles fell running + 4600 m ascent