Rolex Grand Slam of Eventing: everything you need to know about the $350,000 prize

Ahead of Oliver Townend’s attempt to win the Rolex Grand Slam of Eventing at Badminton this year (2-6 May 2018), we refresh your memory with everything you need to know about the big money bonus

Your essential guide to the most valuable prize in the sport, the Rolex Grand Slam of Eventing