Possible Clues:

• Athlete, discus thrower maybe, standing round centre of stadium
• Athlete
• Athlete departs having stuffed thrower
• Athlete, one doing javelin perhaps, secures gold at last
• Certain track athlete
• Over front of desk, one throwing jumper
• Athlete facing obstacles ruled out in hard runs
• Horse that races 'over the sticks'
• Runner and jumper