NJ man runs 7 marathons on 7 continents in 7 days for St. Jude's...

Warwick runner 'exhausted' after completing 40 marathons in 40 countries

Korea's longest trail race kicks off with 18 runners on a 1,200 km journey

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Teenager finishes five ultramarathons in five days

Ultrarunner from Thumba aims to make his mark at the world stage