The 1961 Isle of Man TT, the fourth round of the 1961 Grand Prix motorcycle racing season, involved five races on the Mountain Course on the Isle of Man. Three of the races were won by Mike Hailwood. He completed the six laps of the course in 2:15.02.0 to win the Senior race, after earlier winning the Lightweight 125cc and Lightweight 250cc races. Phil Read won the Junior race, while Max Deubel and E.Hoerner won the sidecar event.
3 Laps (113.00 Miles) Mountain Course.
3 Laps (113.00 Miles) Mountain Course.
5 Laps (188.65 Miles) Mountain Course.
6 Laps (236.38 Miles) Mountain Course.
6 Laps (236.38 Miles) Mountain Course.