Humanity Direct Tring Ultra | Half Ultra

A 31 mile, 50km, one-day ultra marathon within easy reach of London, all in aid of funding life-changing operations for children in developing countries. Perfect for anyone looking to take their running to the next level. Explore the picturesque Chilterns, a stone's throw from London. Even better, it's FREE to run, if you commit to raising funds for Humanity Direct. New this year you have the option of the full 50km ultra marathon, a 25km half ultra or complete the full ultra as part of a team of up to 5 people!