Trail Running | Snowdonia Trail Marathon 2021

Snowdonia Trail Marathon 2021 Trail Running Half Marathon


11 Jul 2021





Route Description

This is one tough Half Marathon with over 1192m of ascent most of which is up Wales’ highest peak. The hills start almost immediately as you climb up through Llanberis and then Maesgwm, also known as Telegraph Valley. Turning left onto the Snowdon Ranger Path you have a further steep climb up before crossing the railway, reaching the Finger Stone and starting your descent down the Llanberis Path. The views are incredible all the way to Anglesey, but don’t get complacent you haven’t finished yet. Once back down at the road in Llanberis you are diverted through the woods past Dolbadarn Castle with the sting in the tail being the final climb up the infamous Zig Zag path and into the quarries. Reaching the top of Vivian Quarry you’ll be able to see the event village and the finish line down below and better yet, its pretty much all down hill to the finish from here.


Half Marathon



Important Information



Start Time

Cut Off Times

Prize giving

Compulsory Kit

Covid-19 information

Are you in?

See Start List

Final Instructions

Will be sent out and available to download 1 week before the event.

We are proud that all our events are bi-lingual. Signage, registration and commentary is available in both English and Welsh.

Event Partners Snowdonia Trail Marathon 2021


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