Find 100k ultra runs near me in West Sussex for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
Click an event for full event details, location, route, sustainability, what's included and how to enter.
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.