Mr Jackson hopes to raise £1 million by completing a 50km ultramarathon every day for 100 consecutive days, the current men’s world record for consecutive ultra-marathons currently sits at 80 days. David ‘Jacko’ Jackson hopes to raise £1 million for brain injury charities Headway UK and Head for Change by running 100 ultramarathons in 100 day. "I’ve experienced first-hand what recovery can look like , and I’ve also seen what happens when people don’t get that chance." Jacko works as a breath coach with his company Pro Breathwork (Image: Headway.org)Out of 25 locations across the UK, Mr Jackson will run in Bournemouth on Saturday, August 1, through to Tuesday, August 4, starting at 7am each day from Swanage Beach. Spending four days at each site, Mr Jackson will complete the daily distance through 5km and 10km loops and runners are invited to join him.