PORTADOWN, NORTHERN IRELAND – OCTOBER 01: A competitor jumps into the ‘Leech Pool’ during the McVities Jaffa Cakes Mud Madness race in association with charity partner Marie Curie at Foymore Lodge on October 1, 2017 in Portadown, Northern Ireland. Now in it’s eleventh year the race takes place over an 8k course which features sink holes among it’s 25 obstacles deep in the County Down countryside. (Photo by Charles McQuillan/Getty Images for McVities Northern Ireland)