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One of the biggest off-road marathons in the UK returns on 23 October 2021 for its 41st year!

The challenging event, set against the stunning backdrop of the South Downs National Park, will see thousands of runners take part, and will also feature the 10k run for a consecutive eighth year and the return for the hugely successful Half Marathon!

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As of 27 November 2020 at 07:00, entries have now reopened. Please note that due to social distancing, entry numbers are limited. We are expecting all mitigating measures that were put in place for the 2020 event to still be in place for the 2021 event and we will keep participants informed of any additional or relaxed measures closer to the event.

Any deferrals from 2020, please check your emails for a separate link to enter.