The race commences at L'Eree, situated in the southwest corner of the island. The route follows a stunning 13.1 mile coastal road, running along the seafront and concluding with a grand finish in St Peter Port.
2025 marks the 25th year the event has been organised by Guernsey Athletics, ensuring yet another incredible event.
*Participants must be aged 17 or over on 14th September 2025. The Butterfield Half Marathon will be fully UKA licensed over a certified course and will be held under UKA rules.