Congrats to Michael Phelps for breaking the all-time Olympic medal record. You’ve made your country proud - bo — US President Barack Obama þ@BarackObama

What an AMAZING achievement @Michael Phelps most decorated Olympian Ever... Congratulations — Swimmer Stephanie Rice þ@ItsStephRice

Michael Phelps #legend! — Gerard Pique, Spain footballer

@Michael Phelps it was such an honour to race u last night, thank u for being such an inspiration to me and many others, ur the greatest! — Chad le Clos, South African swimmer who beat Phelps to the gold in the 200m butterfly

@Michael Phelps what a legend!! — Rory McIlroy, Scottish golfer

Incredible effort by @MichaelPhelps last night! — Kevin Pietersen, English cricketer

@MichaelPhelps awesome swim yesterday!! THE greatest olympian ever! — British diver Tom Daley þ@TomDaley1994

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