![Spain's Lucas Bua leads the runners round with Czech Republic's Jan Tesar (left) and Ireland's Cillin Greene (right) who later fell on the track in the Men's 400m heat 3 during day Spain's Lucas Bua leads the runners round with Czech Republic's Jan Tesar (left) and Ireland's Cillin Greene (right) who later fell on the track in the Men's 400m heat 3 during day](https://c8.alamy.com/comp/RTGBXG/spains-lucas-bua-leads-the-runners-round-with-czech-republics-jan-tesar-left-and-irelands-cillin-greene-right-who-later-fell-on-the-track-in-the-mens-400m-heat-3-during-day-one-of-the-european-indoor-athletics-championships-at-the-emirates-arena-glasgow-RTGBXG.jpg)
Spain's Lucas Bua leads the runners round with Czech Republic's Jan Tesar (left) and Ireland's Cillin Greene (right) who later fell on the track in the Men's 400m heat 3 during day
![El toledano Lucas Búa, con el relevo 4x400, como un tiro a la final del Campeonato del Mundo - ENCLM El toledano Lucas Búa, con el relevo 4x400, como un tiro a la final del Campeonato del Mundo - ENCLM](https://www.encastillalamancha.es/wp-content/uploads/2017/08/bua_husillos_echeverry_samuel.png)
El toledano Lucas Búa, con el relevo 4x400, como un tiro a la final del Campeonato del Mundo - ENCLM
![The Spanish Men's 4x400m Relay Team Lucas Bua, Oscar Husillos, Darwin Echeverry and Samuel Garcia during day nine of the 2017 IAAF World Championships at the London Stadium Stock Photo - Alamy The Spanish Men's 4x400m Relay Team Lucas Bua, Oscar Husillos, Darwin Echeverry and Samuel Garcia during day nine of the 2017 IAAF World Championships at the London Stadium Stock Photo - Alamy](https://c8.alamy.com/comp/JWHNPE/the-spanish-mens-4x400m-relay-team-lucas-bua-oscar-husillos-darwin-JWHNPE.jpg)