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 access to the SIRONA adventure!

We’re helping you discover the beauty of 100 miles and 100km with our sister events Epona 100 and Sirona 100.

One iconic trail. One breathtaking adventure. 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.

100 Mile Start Location

Barmouth

100 Mile Finish Location

Mwnt

Start and Finish Time

06:00 Saturday 11th July – 08:00 Monday 13th July

100 Mile Elevation Profile

15,000ft

Aid Stations

8 aid stations (1 full-fare sleep stations)

Terrain

80% trail, 20% road, 100% fun

100 KM Start Location

Machynlleth

100 KM Finish Location

Mwnt

Start and Finish Time

14:00 Saturday 11th July – 20:00 Sunday 12th July

100 KM Elevation Profile

10,000ft

Aid Stations

5 aid stations (1 full-fare sleep stations)

Terrain

80% trail, 20% road, 100% fun

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