World Record Bid - 200 Marathons in 100 Days - Breathing Coach Takes on “IN-possible” Challenge
David 'Jacko' Jackson, a former rugby player whose career ended due to a head injury, plans to run 200 marathons in 100 days starting May 2026 to raise £1 million for brain injury charities Headway UK and Head for Change. This challenge aims to break the world record for consecutive ultramarathons and highlight the importance of recovery support for brain injury sufferers. Jackson's effort will take place across 25 UK locations, inviting public participation to foster community support and aware
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