Looks like you could walk, in theory (but not legally): > During one Sunday in October 1993, Wally Michalski and Mike Turner, working as contractors on the Bri

Looks like you could walk, in theory (but not legally): > During one Sunday in October 1993, Wally Michalski and Mike Turner, working as contractors on the British side, used a pair of the Saracen bicycles to cycle the 100-kilometre (62 mi) round-trip from Folkestone to Coquelles and back again. The pair took around five hours to complete the journey, while wearing full overalls and needing to carry respirators.[1] [1] https://en.wikipedia.org/wiki/Cycling_in_the_Channel_Tunnel https://en.wikipedia.org/wiki/Cycling_in_the_Channel_Tunnel