 Complete the following phrase:  The top three finishers in the final are awarded a gold, silver and bronze medal, respectively. If runners cannot be separated by their time recorded to one hundredth of a second further analysis is used to distinguish their times to the thousandth of a second. In the 2008 Womens 100 m final the minor medallists Sherone Simpson and Kerron Stewart could not be separated by this method and were both awarded the silver medal. Medal positions in a 100 m race have only been shared on one other occasion in Olympic history: Alajos Szokolyi and Francis Lane were joint third at the 