The Physical Performance Show: Jack Rayner, INEOS 159 Challenge pacemaker + Multi Half Marathon Champion In episode 186 of The Physical Performance Show Brad Beer shares a conversation with Jack Rayner, INEOS 159 Challenge pacemaker + Multi Half Marathon Champion in this featured performer episode. 23 year old Jack Rayner was one of the 41 pace runners that played the important role in Eliud Kipchoge’s historic 1:59:40.2 marathon run in Vienna on the 12th October.  At the time of recording…