Over 30,000 Runners Prepare for Cardiff Half Marathon Weekend in Cardiff 2026

Key Points

• Record Number of Participants: Over 30,000 runners are looking forward to participating in the 23rd edition of Cardiff Half Marathon weekend, which includes races for juniors as well as the main half marathon.
• Sold Out Races: All races are now sold out with no late entries, having gone through a ballot for the first time since they recorded a sale time of record 12 hours last year.
• Elite Participants: The half marathon race is labeled as a World Athletics Elite Road Race, with Joyciline Jepkosgei being the leader in the female field (64:13) and Gideon Kiprotich being the fastest man on paper (58:49), in addition to an elite wheelchair race.
• Course Description and Logistics: Starting from outside Cardiff Castle in Castle Street at 10:00 am (or 9:57 am for the wheelchair race), the 13.1-mile route takes runners past various landmarks including Penarth Marina, Cardiff Bay, and Roath Park lake before ending in the city center.
• Transport Improvements: In conjunction with Run 4 Wales, transport for Wales has added more train journeys on race day as well as park and walk pre-booking and free bike park.

Cardiff (Cardiff Daily) September 28, 2026 — More than 30,000 people are preparing to take part in a weekend of running and entertainment as the Cardiff Half Marathon returns to the Welsh capital. As reported by Rhys Gregory of Wales247, the 23rd edition of the event takes place on Sunday, October 4, with the main race commencing on Castle Street at 10:00 am, shortly after the elite wheelchair race gets underway at 9:57 am. Rhys Gregory of Wales247 noted that all races have completely sold out, with no entries available on the day, marking a significant milestone as the event went to a ballot for the first time after selling out in a record 12 hours last year. Furthermore, Rhys Gregory of Wales247 confirmed that more than 30,000 places have been sold across the entire weekend, encompassing both the junior events on Saturday and the half marathon on Sunday.

What is the Cardiff Half Marathon Route?

As outlined by Rhys Gregory of Wales247, the 13.1-mile route starts outside Cardiff Castle before taking runners past some of the capital’s best-known landmarks. Participants will pass the Principality Stadium and Cardiff City Stadium before heading towards Penarth Marina. As detailed by Rhys Gregory of Wales247, runners will then cross the barrage and head through Cardiff Bay, passing the Norwegian Church and Wales Millennium Centre, with the closing stages including a loop of Roath Park lake before heading towards the finish in Cardiff’s civic centre.

Will There Be Road Closures and Travel Adjustments?

As reported by Rhys Gregory of Wales247, a number of road closures will be in place on race day to allow participants to make their way safely around the course, with people travelling around Cardiff advised to allow extra time and plan their routes in advance. Competitors are being encouraged to plan their journeys ahead of the race, particularly with thousands of runners and spectators expected in Cardiff.

As part of a new partnership with Run 4 Wales, Transport for Wales has announced additional earlier train services on race day to give more runners the opportunity to travel into the city by rail, as reported by Rhys Gregory of Wales247. Additionally, Rhys Gregory of Wales247 noted that a park and walk facility is available at Cardiff City Football Stadium on Leckwith Road, requiring advance booking, while discounted spaces have been offered to coaches and minibuses, and a free bike park will be available at Gorsedd Gardens in front of National Museum Wales.

Who is Taking Part in the Elite and General Fields?

The Cardiff Half holds a World Athletics Elite Road Race label and will once again attract elite athletes from around the world, travelling from countries including Kenya, Ethiopia, the USA, Australia and the Netherlands, according to Rhys Gregory of Wales247. Joyciline Jepkosgei, with a time of 64:13, will headline the women’s field, while Gideon Kiprotich, with a time of 58:49, is the fastest athlete on paper in the men’s field, as stated by Rhys Gregory of Wales247.

What is Happening for Children During the Weekend?

The Cardiff Half Junior takes place on Saturday, October 3, featuring a full programme of family activities, as reported by Rhys Gregory of Wales247. A Toddler Dash starts at 10:30 am, followed by the Future Challengers race at 11:00 am for talented young athletes and junior club runners. A family-focused Fun Run will then begin at 11:45 am, while the NSPCC will hold a story time session at its Event Village stand at 11:25 am, according to Rhys Gregory of Wales247.

Where Can Spectators Watch and What Entertainment is Planned?

Spectators looking to catch runners shortly after the start can head along Castle Street away from the city centre towards the River Taff, while Corbett Road will provide views of the closing stages on both sides of the road alongside big screens, music, and prize giveaways, as noted by Rhys Gregory of Wales247. Tiered standing terraces will also give spectators a view of runners crossing the finish line on King Edward VII Avenue.

The course will feature entertainment throughout the 13.1 miles, with a new initiative called Ein Dinas, meaning Our City, adding to the atmosphere as community groups, cheer squads, live bands, and performers line key points around the route, according to Rhys Gregory of Wales247. For the first time, celebrations are also beginning early through Cardiff Half Full Send, with pop-up activities taking place across the city involving St David’s Shopping Centre, Wagamama, High5, Wales Millennium Centre, and Studio Tarw, ranging from yoga sessions and shakeout runs to community events.

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What Facilities and Trackers are Available for Runners?

Waterton Motor Group pacers will run in all of the starting pens carrying sail flags corresponding with target finishing times covering 1:30, 1:40, 1:50, 2:00, 2:10, 2:20, 2:30, 2:45, and 3:00, as reported by Rhys Gregory of Wales247. Toilets, urinals, and Peequal female urinals will be available at the start, in the Event Village, within the first mile, and at drink stations around the course. Brecon Carreg will provide water, HIGH5 will supply energy gels, and Powerade will be available at mile nine, while Brecon Carreg ploggers will follow at the back of the race to collect litter, as detailed by Rhys Gregory of Wales247. All finishers will receive a commemorative medal and a T-shirt, unless they opted out to donate to the Run 4 Wales Climate Action Fund.

The Run 4 Wales App for iOS and Android will allow people to inspect the route and live track participants on race day using Google Maps functionality, with a live stream available via the Run 4 Wales YouTube channel and big screens around the Event Village, and a highlights programme shown on S4C, S4C Clic, and BBC iPlayer on Monday, October 5, according to Rhys Gregory of Wales247.

Background of the Particular Development

The Cardiff Half Marathon has evolved significantly since its inception, growing into one of the United Kingdom’s largest and most prestigious mass-participation running events. Organised by Run 4 Wales—a not-for-profit charitable trust established in 2012 to manage and deliver major sporting events—the race serves as a vital platform for supporting mental health, women’s running, community regeneration, diversity, volunteering, fundraising, and environmental sustainability. Surpluses generated by the organization are reinvested directly into grassroots sport and community projects through its charitable foundation. Furthermore, the event raises over £4 million annually through partnerships with more than 120 charities and holds a prestigious position as part of the international SuperHalfs series, which links half marathons in Cardiff, Lisbon, Prague, Berlin, Valencia, and Copenhagen. The transition to a ballot system for the 2026 event follows a historic trend of surging demand, underlined by a record 12-hour sell-out in the previous year.

This large-scale development is expected to deliver a substantial economic, social, and logistical impact on Cardiff and its surrounding regions. With more than 30,000 participants—alongside thousands of spectators, support crews, and international elite athletes—local businesses, hotels, restaurants, and retail spaces such as St David’s Shopping Centre are anticipated to experience a massive surge in foot traffic and revenue throughout the race weekend. For the local community and regular commuters, the extensive road closures and influx of visitors will necessitate careful journey planning, though enhanced public transport provisions, such as additional early train services by Transport for Wales and expanded park-and-walk facilities, are designed to mitigate urban congestion. For participating runners, charities, and grassroots sports initiatives, the event will reinforce community cohesion while injecting millions of pounds into vital charitable causes and local sporting infrastructure.