Marathon directory
Marathons in Guernsey
1 upcoming marathon in Guernsey. Next: Guernsey Marathon on April 12, 2027.
1marathon upcoming
0cities
April 12, 2027Next race
1distance types
List your marathon with verified details
Hosting a marathon in Guernsey? Submit the official source so runners can verify the race before they register.
- $199 paid review
- Official source verification
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- Organizer dashboard
Already listed in Guernsey? Open the race and use Update listing. Missing event? Start here with the location prefilled.
Planning notes for Guernsey
Use this country page to shortlist 1 upcoming race by date, distance, registration path, and official source.
- Next raceGuernsey Marathon on April 12, 2027
- Busy monthsApril (1)
- DistancesMarathon
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.