The Brooks Snowdonia Marathon has been voted best British marathon twice. The demanding and spectacular route, encircling Snowdon, Wales’ and England’s highest peak, gives the event a unique place in the annual marathon calendar.


The 2017 event takes place on Saturday October 28th at 10:30 a.m


Entries to the 2017 Snowdonia Brooks Marathon Eryri are now full


Please Note: we don’t have a waiting list system. However, we expect to have a number of drop-outs and cancelations, so getting an exchange place is quite common. Please keep on eye on the race Facebook page with visitor posts stating they want to sell their place and we will do our best to help you find a place if we are able to.


Click on the AMENDMENTS AND VOUCHER INSTRUCTIONS button below to learn more about amendments and voucher transfers.

2017 Amendments and Voucher Instructions


To amend an entry click on AMENDMENTS AND VOUCHER ENTRY button below.

2017 Amendments and Voucher Entry2017 Start List

Snowdon Marathon is supported by a range of partners