SIRONA 100 MILER

Save the date – August 23rd 2025
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If you’ve made it this far then congratulations or perhaps commiserations? You’ve secured early access to our brand new 100 miler!

We’re helping you discover the beauty of one hundred milers with our sister events Epona 100 and Sirona 100.

One iconic trail. One hundred breathtaking miles. The Sirona 100 will take place on Mother Nature’s rollercoaster – the Wales Coast Path. Setting off from Barmouth and finishing in Cardigan, participants will experience some of the most varied terrain the Wales Coast Path has to offer.

Start Location

Barmouth

Finish Location

Cardigan

Start and Finish Time

06:00 Saturday 23rd August – 08:00 Monday 25th August

Elevation Profile

15,000ft

Aid Stations

8 aid stations (1 full-fare sleep stations)

Terrain

80% trail, 20% road, 100% fun

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