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100 Mile Grand Slam 2025

Original price was: £796.00.Current price is: £675.00.

Take on all the GB Ultras 100 mile events for 2025!

Sign up for all 4 of our 100 mile ultramarathons and receive a discount on the individual race entry fee.

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Take on the GB Ultras 100 Mile Grand Slam featuring Chester Ultra 100 mile, Ultra Scotland 100 mile, Beacons Way 100 mile and Snowdon Ultra 100 mile.  Signing up for all events at the same time ensures a discount.

Grand Slam races must be completed within the same calendar year.

Before signing up for the Grand Slam, please be aware that the following events are by application only and we must have approved your application beforehand:

Snowdon Ultra 100 mile

Beacons Way 100 mile

In addition to your race entry, you can also add your optional finisher t-shirt for each event and post-race coach transfer back to the start (Beacons Way and Ultra Scotland events only).

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