# Allyson Felix

Last year
# Back to Win
A week after retiring, US track legend Felix returns to run 4x400m heats
Olympic champion Sifan Hassan finishes sixth in the women’s 5000m.
All time
# Fab Four
Jamaican sprint queen Fraser-Pryce cruises to record fourth 100m gold at worlds
Meanwhile, Dina Asher-Smith set a new British record in the final.
# Goat
US great Felix adds to remarkable gold haul and breaks Bolt's record for world titles
Her team romped to mixed relay gold in Doha.
# Reform
Nike to end financial penalties for pregnant athletes - report
According to the New York Times, Nike plans to waive performance-pay reductions for 12 months for athletes who decide to have a baby.
# Speaking out
Six-time Olympic champion Felix criticises Nike's maternity policy
The US track and field star said she had been offered a vastly reduced contract after taking time off during pregnancy.
# she's the fastest
Flying Dutchwoman Schippers defends 200m crown, US shine again
The 25-year-old, who took bronze in the 100m, timed a season’s best 22.05 seconds.
# Agony
Harrowing end to the women's 400m final as Shaunae Miller-Uibo dramatically pulls up
The Olympic champion seemed to pick up a muscle-related injury as she approached the finish line.
# Mind Games
7 mental tricks Olympic athletes use to perform under pressure
Allyson Felix tunes out distractions and other psychological strategies.
# just watch it
Introducing the new Nike ad, starring Tiger Woods, Neymar and Eric Koston
A US skateboarder just released the second edition of this star-studded commercial.
# form guide
Flying Felix: Allyson clocks sixth fastest 200m in history
Only Marion Jones, Merlen Ottey and Flo-Jo have gone quicker than 21.69 seconds.
# Them's the Rules
Deagu days: Controversy as Robles stripped of hurdles crown
Here’s everything you need to know about day three of the IAAF World Championships. There were one or two talking points…
# Study Up
Meet the stars of this year's Athletics World Championships
The 2011 World Athletics Championships begin this Saturday in Daegu, South Korea. Get to know the athletes who’ll likely be providing the week’s most compelling storylines.