1948 Summer Olympics torch relay then run through Switzerland and France. The route was modified only when Luxembourg and Belgium both requested that the torch travel their territories. A longer Greek route was planned, but reduced from an expected down to due to concerns over instability in the country and a lack of security. The torch lighting ceremony took place on 17 July 1948 in Olympia, Greece. As with the 1936 Summer Olympic relay, the torch relay was begun by focusing the sun's rays onto kindling using a parabolic reflector, which then lit the first torch. The kindling was conducted by a Girl Guide leader
1984 Summer Olympics torch relay Thorpe, and Gina Hemphill, granddaughter of Jesse Owens, being given the honor of becoming the first torchbearers. The relay featured 3,636 torchbearers and spanned a distance of around , at the time the longest distance of any Olympic relay. Rafer Johnson, an Olympic decathlon gold medalist, was the final torchbearer. 1984 Summer Olympics torch relay The 1984 Summer Olympics torch relay was run from May 8 until July 28, prior to the 1984 Summer Olympics in Los Angeles. The route covered around across the United States and involved over 3,600 torchbearers. Rafer Johnson lit the cauldron at the opening ceremony.