Calon Lân 300

JUL
5-13
2027
A 300 mile nonstop ultra along the Cambrian Way with 78,740 ft of ascent, 11 aid stations, running from Cowny to Cardiff over 8.5 days.
5-13 Jul 2027
300 miles

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Calon Lân 300

Calon Lân 300 is a 300 mile ultramarathon along the Cambrian Way across Wales. The planned route totals an elevation gain of 78,740 ft and is presented as a nonstop course with an overall completion window of 8.5 days.

The route runs from the north to the south of Wales, starting near Cowny and finishing in Cardiff. The course passes through Eryri National Park, the wild hills of Mid Wales, and Bannau Brycheiniog National Park. Terrain is described as the Cambrian Way and includes mountainous sections and upland hills.

Support on course includes 11 aid stations. Route materials and logistical information are available as a route map and a kit list, and separate maps for the Cambrian Way can be purchased. The event page notes that about 200 runners have committed to the field for the listed edition.

Additional factual notes include the availability of a published route map on plotaroute and a downloadable kit list. The presentation of this event emphasises a long, continuous traversal of Welsh upland terrain over multiple days with organised aid support at intervals along the way. Visit the organization's website for the most recent information.

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