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
2017 World Championships in Athletics – Women's 3000 metres steeplechase 2017 World Championships in Athletics – Women's 3000 metres steeplechase The women's 3000 metres steeplechase at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 9 and 11 August. Kenya had six entrants in the race, the three normally allowed including the number one runner in 2017 Celliphine Chepteek Chespol, plus defending champion Hyvin Jepkemoi and two expatriates; Winfred Mutile Yavi and world record holder / Olympic champion Ruth Jebet who were running for Bahrain. From the gun in the final Beatrice Chepkoech went to the front. There is a partial lap at the beginning