![Theo Bos from the Netherlands lies on the track after crashing during his quarter-final race in the men's sprint [against Jamie Staff from Great Britain] at the Track Cycling World Championships in Theo Bos from the Netherlands lies on the track after crashing during his quarter-final race in the men's sprint [against Jamie Staff from Great Britain] at the Track Cycling World Championships in](https://c8.alamy.com/compfr/2d4jm7d/theo-bos-from-the-netherlands-lies-on-the-ground-after-falling-during-his-mens-sprint-quarter-final-at-the-world-championships-in-melbourne-theo-bos-from-the-netherlands-lies-on-the-track-after-crashing-during-his-quarter-final-race-in-the-mens-sprint-against-jamie-staff-from-great-britain-at-the-track-cycling-world-championships-in-melbourne-may-29-2004-bos-went-on-to-win-the-race-and-proceed-to-the-semi-final-race-tomorrow-night-more-than-200-cyclists-from-43-countries-will-participate-in-the-championships-which-will-include-15-events-the-championships-is-also-the-last-chance-for-nat-2d4jm7d.jpg)
Theo Bos from the Netherlands lies on the track after crashing during his quarter-final race in the men's sprint [against Jamie Staff from Great Britain] at the Track Cycling World Championships in
![trackcycling on Twitter: "The legend that is Theo Bos. #beatcyclingclub https://t.co/R8sWQtkLsR" / Twitter trackcycling on Twitter: "The legend that is Theo Bos. #beatcyclingclub https://t.co/R8sWQtkLsR" / Twitter](https://pbs.twimg.com/media/Dp3vKkkWkAA1dLw.jpg)
trackcycling on Twitter: "The legend that is Theo Bos. #beatcyclingclub https://t.co/R8sWQtkLsR" / Twitter
![Theo Bos confirms asthma medication forced withdrawal from Vuelta a Espana | Cycling News | Sky Sports Theo Bos confirms asthma medication forced withdrawal from Vuelta a Espana | Cycling News | Sky Sports](https://e2.365dm.com/13/03/2048x1152/theo-bos-criterium-international_2919510.jpg)