Scintillating, thrilling and full of potential - Ciara Mageean has moved considerably closer to Sonia O’Sullivan’s long-standing Irish women’s mile record by carving three-and-a-half seconds off her lifetime best in Monaco, in a race where the vintage world record was smashed by Sifan Hassan.

Caster Semenya will race in the 3,000m at the Diamond League Prefontaine Classic in June.

Furious Usain Bolt admitted he must improve his start as he plots a winning farewell at the World Championships.

Allyson Felix was able to put the disappointment of two consecutive silver medals in the women’s 200 meters to claim the gold medal she so desired last night.