100 Mile Grand Slam
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- When
- 01 May - 17 Oct 2027
- Distances
- 100 Miles
- Location
- Worthing, England
- Terrain
- Trail
About 100 Mile Grand Slam
The 100 Mile Grand Slam is a four-race series for runners seeking an extended challenge through 2027. Each of the four individual 100 mile trail races takes place on separate dates between May and October, with the opening event held at Majestic in Worthing, West Sussex. A single entry covers all four races in the Grand Slam package.
Competitors must be aged 20 or over. The series is organised by Centurion Running and is designed for those committed to completing multiple ultra-distance events across the calendar year.
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