The Colwyn Bay 20 Mile & Metric Marathon event starts and finishes on the promenade in Colwyn Bay.
There is no event in 2026. The next event date is to be confirmed.
The mainly flat courses head East along the North Wales coastline towards Rhyl where distances have a different turning point back to Colwyn Bay.
Metric Marathon
20 miles
The event starts and finishes on the Promenade at Colwyn Bay.
Please note: the map location may be approximate. Refer to the event website for start lines and course maps.
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This listing was last manually checked on 8 December 2025.
