3 Islands Marathon

3 Islands Marathon is a certified road marathon in the Outer Hebrides featuring a unique island-to-island route, stunning coastal scenery and a memorable point-to-point challenge.

Date Sunday 19th July, 2026
Distance Marathon
LocationLochboisdale Marina
Town/CitySouth Uist
AreaHighlands
Start postcodeHS8 5TH
Start time10:00am
OrganiserNeil MacInnes

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The 3 Islands Marathon is a Scottish road marathon taking place across the Southern Isles of the Outer Hebrides. The event starts at Lochboisdale Marina on the island of Gasay and finishes at the Dark Island Hotel on the Isle of Benbecula, creating a unique point-to-point marathon experience across multiple islands. 

The officially measured and Scottish Athletics certified marathon course follows roads through South Uist and Benbecula, with runners crossing causeways and experiencing the dramatic landscapes of the Outer Hebrides. Participants can take on the challenge as a solo runner, pair or team, with the route split into four relay sections for team entries. 

The event offers a truly memorable marathon adventure, combining endurance running with the scenery, culture and community of the Hebridean islands. With its remote setting, coastal views and distinctive island route, the 3 Islands Marathon provides a one-of-a-kind race experience for marathon runners. 

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