The Marathon Grand slam club®
The Marathon Grand Slam Club®, owned and managed exclusively by Runbuk, is comprised of runners who have completed a marathon distance of 42.195 km (26.2 miles) or longer on each of the Seven Continents and on the Arctic Ocean at the North Pole Marathon.
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There were 194 members of the Marathon Grand Slam Club® as of May 24, 2026, comprising 145 men and 49 women.
To be eligible for membership, you must have completed a recognized marathon or ultramarathon on each of the continents, exemplify the spirit of adventure marathon running and be able to authenticate your claim for membership. New members receive a Grand Slam medal.
Grand Slam contenders do not have to take part in specific marathons to become members, but you must be a member of Runbuk's 7 Continents Marathon Club™.
