The Butterfield Half Marathon, set to take place on Sunday, September 20th, 2026, offers runners an unforgettable experience along the stunning coastline of Guernsey. This picturesque Channel Island race begins at L'Eree, located in the island's southwest corner, and follows a breathtakingly flat coastal route for a total distance of 13.1 miles. As participants make their way through this scenic course, they'll be treated to panoramic views of the seafront as well as charming seaside towns before reaching the finish line in St Peter Port. Upon completing the race, runners will have several options to commemorate their achievement: receiving a commemorative medal or choosing from free souvenir running t-shirts and vests available for pre-order during registration. This year, athletes also have the opportunity to contribute to Butterfield Half Marathon's chosen charity by opting out of the t-shirt or vest option. For each item not selected, an equivalent donation will be made on behalf of all participants who choose this route, fostering a sense of community and giving back while enjoying the race. Registration for the event is open until Tuesday, June 30th, with entries after that date not guaranteed to receive t-shirts or vests due to limited availability. It's important for runners aged 17 years or older on September 20th, 2026, to secure their spot early and ensure they have all the necessary information from the registration page. The Butterfield Half Marathon is fully UKA licensed with a certified course and will be held under strict UKA rules. For more details about race day logistics and requirements, visit Guernsey Athletics - The Butterfield Half Marathon. This event promises not only a challenging yet smooth-running experience but also an opportunity to immerse oneself in the beauty of Guernsey's coastline while supporting a worthy cause.
Races Offered
Mass Race - Affiliated Entry
Sep 20, 2026
straighten
Distance —
Mass Race - Affiliated Entry
terrain
Type —
Running
timer
11 days remaining
sell
€25.72
Mass Race - Affiliated Entry
Sep 20, 2026
straighten
Distance —
Mass Race - Affiliated Entry
terrain
Type —
Running
timer
11 days remaining
sell
€25.72
Mass Race - Standard Entry
Sep 20, 2026
straighten
Distance —
Mass Race - Standard Entry
terrain
Type —
Running
timer
11 days remaining
sell
€28.06
Mass Race - Standard Entry
Sep 20, 2026
straighten
Distance —
Mass Race - Standard Entry
terrain
Type —
Running
timer
11 days remaining
sell
€28.06
Wheelchair Race (No Handbikes) - Affiliated Entry
Sep 20, 2026
straighten
Distance —
Wheelchair Race (No Handbikes) - Affiliated Entry
terrain
Type —
Running
timer
11 days remaining
sell
€25.72
Wheelchair Race (No Handbikes) - Affiliated Entry
Sep 20, 2026
straighten
Distance —
Wheelchair Race (No Handbikes) - Affiliated Entry
terrain
Type —
Running
timer
11 days remaining
sell
€25.72
Wheelchair Race (No Handbikes) - Standard Entry
Sep 20, 2026
straighten
Distance —
Wheelchair Race (No Handbikes) - Standard Entry
terrain
Type —
Running
timer
11 days remaining
sell
€28.06
Wheelchair Race (No Handbikes) - Standard Entry
Sep 20, 2026
straighten
Distance —
Wheelchair Race (No Handbikes) - Standard Entry
terrain
Type —
Running
timer
11 days remaining
sell
€28.06
Weather History
These values represent the 3-year monthly averages for September in St Peter Port.
thermostatTemperature
15.8° / 17.6°
wb_sunnyFeels like
10.4° / 14.6°
light_mode
Avg sunshine hours
9h 1m
water_drop
Avg rainfall
2.7 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
26.8 km/h (Moderate breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
79.8%
wb_twilight
Sunrise
06:46
nightlight
Sunset
19:21
About St Peter Port
Learn more about the host city, St Peter Port.
St. Peter Port is a town and one of the ten parishes on the island of Guernsey in the Channel Islands. It is the capital of the Bailiwick of Guernsey as well as the main port. The population in 2021 was 19,295.
