Caernarfon Half Marathon

2021 Race entry now open

Sunday 19th September 2021

£10 off normal entry price offer!

Hanner Marathon/Half Marathon: Affiliated £32, Unaffiliated £34, includes a BIG bit of bling and quality Tshirt.

Deadline for names on number bibs is 3 weeks before race day.

Race start time: 10:00am

Rasio o amgylch y castell / Race around the castle fun run time (1/2 km): 9:15am (approx 1km) COSTS £3,  Includes a quality medal. Entry is on the day only at race HQ. Open to all ages but we do ask for children aged 9 and under to be accompanied by an adult.

Parking: There is plenty of public car parks in town. (pay & display).

Your number and chip will be pick up on the day. Please note, nothing will be posted out. 

The chip will need to be attached to your shoe with the cable tie provided, NO CHIP, NO TIME. 


For all other information, please use the race day info page link to the right of the website>>>.


This year we will be supporting a local event (Trons dy Dad) that is being held in Caernarfon in aid of Prostate Cymru, the event will be on the same day as the half marathon and will involve live bands, fair rides, stalls etc…

*Please note that it is UKA policy that headphones must not be worn during a race except bone conducting headphones, However, RunWales do not encourage participants to wear them whilst taking part as the routes are not on fully closed roads.