Radio host shares extreme foot swelling after 5-day ultramarathon challenge

Jamie Laing raised more than C$3.7 million running five consecutive ultramarathons, but his feet are paying the price

British marathoner raises two million for charity with Arctic costume run

Gill Punt of Essex, U.K., donned a polar bear costume to take on a Guinness World Record and raise money for cancer research

Former world record holder coming out of retirement to run Boston Marathon

British running legend Paula Radcliffe is returning to the marathon in her 50s