4 × 100 metres relay 4 × 100 metres relay The 4 × 100 metres relay or sprint relay is an athletics track event run in lanes over one lap of the track with four runners completing 100 metres each. The first runners must begin in the same stagger as for the individual 400 m race. A relay baton is carried by each runner. Prior to 2018, the baton had to be passed within a 20 m changeover box, preceded by a 10 metre acceleration zone. With a rule change effective November 1, 2017 that zone was modified to include the acceleration zone as part
10,000 metres non-Olympic years from 1953 to 1973. It is 24 laps around a quarter mile (440 yard) track. 10,000 metres The 10,000 metres or the 10,000-meter run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Championships in Athletics and is common at championship level events. The race consists of 25 laps around an Olympic-sized track. It is less commonly held at track and field meetings, due to its duration. The 10,000 metre track race is usually distinguished from its road running counterpart, the 10K run, by its