Hurdler Karsten Warholm and Climber Janja Garnbret need to conquer self-doubt to recapture their form after debilitating injuries, while the pressure is piling on surfer Vahine Fierro to qualify for her home games, and Breaker Menno Van Gorp faces a first - and possibly last - chance to make it.

• Mike Christie
• Adam Darke

• Dina Asher-Smith
• Peter Sagan
• Vahine Fierro