The Wizz Air Cardiff Half Marathon () (previously known as the Cardiff Marathon) is an annual half marathon race held in the Welsh capital city of Cardiff, taking place in October. The event was established in 2003, initially alongside the Cardiff Marathon, however, due to the increasing popularity of the Half Marathon, the Marathon distance was dropped after 2006. The race was originally organised by the children’s charity Barnardo’s. Now organised by Run 4 Wales, the race has grown to accommodate up to 27,500 runners. The race is sponsored by Wizz Air and officially known as the 'Wizz Air Cardiff Half Marathon'. Wizz Air became the headline sponsor ahead of the October 2022 event, replacing Cardiff University who had been in position since 2016. Lloyds Bank had a multi-year partnership with the event until 2015. The course has always been predominantly flat, making it ideal for first time runners and professionals alike (elite runners can gain free entry to the race). The next race will take place on 2 October 2022, the second edition to take place in 2022 (the '2020' race, which could not go ahead in 2020 or 2021 because of the COVID-19 pandemic, was rescheduled for 27 March 2022). The event has incorporated the prestigious World (2016) Commmonwealth (2018) British (2014/2015) and Welsh (Annually) Half Marathon Championships and has held a World Athletics Elite Road Race Label since 2017. The route includes some of Cardiff's most iconic landmarks, including the Cardiff Castle, Cardiff Bay Barrage, Pierhead Building and Roath Park Lake. The race is a part of SuperHalfs, a series of leading international half marathon races in Lisbon, Prague, Valencia and Copenhagen. Races have been chosen based on their quality, popularity, location and commitments to sustainability. All hold World Athletics (IAAF) labels whilst Copenhagen, Cardiff and Valencia have all recently hosted the IAAF World Half Marathon Championships. The event has grown considerably over the years and now attracts both UK and international runners – it is now known as one of the top events in the Autumn running calendar. It regularly sells out early, with over 27,500 people entering. Previous participants in Cardiff races include Paralympic champion Dame Tanni Grey-Thompson, GB's most decorated track Olympian Mo Farah, inspirational adventurer Sir Ranulph Fiennes and BBC Radio 1 DJ Scott Mills. The 2012 Cardiff Half Marathon appeared in the March 2013 episode of Casualty "Brave New World" as the