The document discusses five athletes who overcame significant obstacles and setbacks to achieve success at the Olympics: 1) The four-man bobsled team from Jamaica who had little practice but improved during the 1988 Games and inspired others with their determination. 2) American diver Greg Louganis who hit his head on the board during qualifying but still won gold in 1988. 3) British sprinter Derek Redmond who tore his hamstring in 1992 but finished the race supported by his father. 4) American gymnast Kerri Strug who landed her vault on an injured ankle to clinch gold for the US team in 1996. 5) Dutch speed skater Bonnie Jan