![Dutch cyclist Theo Bos shown in action during the sprint semi final at the Cycling Track World Championships in Palma de Mallorca, Spain, Sunday, 1 April 2007. Bos will compete for gold Dutch cyclist Theo Bos shown in action during the sprint semi final at the Cycling Track World Championships in Palma de Mallorca, Spain, Sunday, 1 April 2007. Bos will compete for gold](https://c8.alamy.com/comp/DAWD9B/dutch-cyclist-theo-bos-shown-in-action-during-the-sprint-semi-final-DAWD9B.jpg)
Dutch cyclist Theo Bos shown in action during the sprint semi final at the Cycling Track World Championships in Palma de Mallorca, Spain, Sunday, 1 April 2007. Bos will compete for gold
![THEO BOS FROM THE NETHERLANDS LIES ON THE GROUND AFTER FALLING DURING HIS MEN'S SPRINT QUARTER-FINAL AT THE WORLD CHAMPIONSHIPS IN MELBOURNE. Theo Bos from the Netherlands lies on the track after THEO BOS FROM THE NETHERLANDS LIES ON THE GROUND AFTER FALLING DURING HIS MEN'S SPRINT QUARTER-FINAL AT THE WORLD CHAMPIONSHIPS IN MELBOURNE. Theo Bos from the Netherlands lies on the track after](https://c8.alamy.com/comp/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 GROUND AFTER FALLING DURING HIS MEN'S SPRINT QUARTER-FINAL AT THE WORLD CHAMPIONSHIPS IN MELBOURNE. Theo Bos from the Netherlands lies on the track after
![Theo Bos of the Netherlands reacts after qualifying for the final of the men's sprint event during the track cycling world championships in Bordeaux April 16, 2006. REUTERS/Caroline Blumberg Stock Photo - Alamy Theo Bos of the Netherlands reacts after qualifying for the final of the men's sprint event during the track cycling world championships in Bordeaux April 16, 2006. REUTERS/Caroline Blumberg Stock Photo - Alamy](https://c8.alamy.com/comp/2E777NX/theo-bos-of-the-netherlands-reacts-after-qualifying-for-the-final-of-the-mens-sprint-event-during-the-track-cycling-world-championships-in-bordeaux-april-16-2006-reuterscaroline-blumberg-2E777NX.jpg)
Theo Bos of the Netherlands reacts after qualifying for the final of the men's sprint event during the track cycling world championships in Bordeaux April 16, 2006. REUTERS/Caroline Blumberg Stock Photo - Alamy
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