Discover the magical coastal trails of Anglesey at the Anglesey Trail Half Marathon & 10K on November 1, 2026, a stunningly scenic autumn race that weaves through the ancient pines of Newborough Forest to the iconic shores of Llanddwyn Island. This sell-out event offers a perfect blend of serene woodland single-track, breathtaking beach running, and panoramic views of the Eryri (Snowdonia) mountains, creating a truly unforgettable running experience. Whether you choose the classic half marathon or the fast 10k, the course showcases the very best of the island's natural beauty, following trails that once hosted the Commonwealth Mountain Running Championships. Organized by Always Aim High Events, the race combines professional, bilingual organization with a vibrant, family-friendly festival atmosphere at the finish, complete with music, commentary, and unique locally-inspired finisher mementos. With its challenging yet accessible terrain, the event warmly welcomes seasoned trail runners and road athletes seeking a scenic introduction to off-road running alike. Secure your entry early for a crisp autumn morning where the spectacular landscape provides the ultimate motivation and every step feels like a celebration of the Welsh coast.
Races Offered
Half Marathon
Nov 01, 2026
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Distance —
21.1K
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Type ——
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146 days remaining
Trail 10K
Nov 01, 2026
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Distance —
10K
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Type ——
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146 days remaining
Weather History
These values represent the 3-year monthly averages for November in Llanfairpwllgwyngyll.
thermostatTemperature
5.8° / 10.2°
wb_sunnyFeels like
1.2° / 6.5°
light_mode
Avg sunshine hours
3h 59m
water_drop
Avg rainfall
5.4 mm
ac_unit
Avg snowfall
0.1 cm
air
Avg wind speed
17.5 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (1.4)
humidity_mid
Humidity
85.7%
wb_twilight
Sunrise
08:41
nightlight
Sunset
17:21
About Llanfairpwllgwyngyll
Learn more about the host city, Llanfairpwllgwyngyll.
Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch is a small, quiet town on the island of Anglesey off the northwest coast of North Wales, famous for having the longest place name in Europe. Apart from its name, it is similar to other nearby villages.