Jurassic Extinction / Jurassic Coast 100
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Jurassic Extinction / Jurassic Coast 100
The event follows the Jurassic Coast World Heritage coastline from Poole to Exmouth and offers multiple distances along the South West Coast Path. The route uses the acorn waymarkers; GPX files and an OutdoorActive route are provided and live GPS tracking is available for each distance. The 2027 edition marks the event tenth anniversary.
Distances offered include:
- 105 miles Poole to Exmouth 5100m ascent self navigation South West Coast Path
- 100 km Weymouth to Exmouth 2900m ascent self navigation South West Coast Path
- 70 km Poole to Weymouth 2200m ascent self navigation South West Coast Path
- 50 km Lyme Regis to Exmouth 1730m ascent self navigation South West Coast Path
- 33 km Beer to Exmouth 1050m ascent self navigation South West Coast Path
The route is on the official South West Coast Path but sections can change due to landslips and other diversion work. Organisers note several specific diversions and off‑path checkpoints, and advise following temporary diversion signs. GPS devices are recommended only as a backup.
Safety provision includes professionally qualified Climb South West safety staff at checkpoints, mobile units on course and first aid cover. Runners may encounter unfenced cliff edges and livestock. Support crews may meet participants between checkpoints but are not permitted into indoor checkpoints; overnight accompaniment is permitted between 9pm and 7am. Pre-event transport to start locations is available by booking through SiEntries; there is no return transport after the event. Volunteer roles are available and may be rewarded with free or discounted future entries. Visit the organization's website for the most recent information.