Get ready to run on Sunday 18 April 2027!The newly designed course will incorporate some of Guernsey's most iconic landmarks and take runners through some of the Island's most scenic areas on the beautiful coast of Guernsey.The race is split into three categories; Sure Marathon, Mourant Relay Race (teams of 2 and 5) & The Guernsey Marathon Mile. The event will welcome a variety of runners from elite & semi-professional athletes competing for the top prizes, to friends & colleagues taking part as a team in the relay, to families having fun whilst raising money for their chosen charity.The clockwise course starts and finishes on South Esplanade Car Park, St Peter Port. This is also where the marathon village will be located. There will be a fantastic atmosphere here and all runners can expect a roaring reception as they complete the course
Download Dangelo, pick Sure Guernsey Marathon 2027 from the race list, and get a structured plan built around race day, with pace targets from your own running and workouts synced to Garmin, Coros, Apple Watch, Apple Health and Health Connect.
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16 weeks
Start by Monday 28 December 2026 for the full build to race day.
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Start this plan in the app →12 weeks
Start by Monday 25 January 2027 for the full build to race day.
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Finish-focused half marathon plan
First half marathon? Start here
Start this plan in the app →Starting later than that? Dangelo shortens the build to fit the time you have left, and you'll still get a structured, achievable plan for Sure Guernsey Marathon 2027.
Every week counts back from 18 April, so base, build, peak and taper land exactly where they should.
Dangelo reads your recent training from Garmin and Coros and sets workout paces you can actually hold, then adapts them as you get fitter.
Racing more than once? Add every event and the Race Calendar builds one connected plan that bridges the gaps between them.