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Swansea · United Kingdom

Cycling & running events in Swansea, 2026

184events this year

184 races within 80 km of Swansea

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A few races to know in Swansea

We all need a goal — why not think big? Pick one and start training for it. Already happened this year? Find some practice races to build toward next year's edition.
Run·Road
Swansea

The Bay 5K Series Race 1

The Bay 5K Series Race 1 begins on the beach next to Secret's Bar & Kitchen in Swansea Bay. Runners start on a summer evening following a required race briefing. This is the first event in a three-race 5K series organized by Aspire X Events; a 3K option is also available. The 5K follows a quick out-and-back course on level, paved coastal paths beside the seafront. It features little elevation change and broad views over the bay. The 3K uses a portion of the same path, meaning both distances share the same open, exposed coastal environment. Registration is open from late afternoon into the evening, with awards presented shortly after the race. A discount is offered for booking multiple races in the series. The event is also included in the Bay Aquathlon.

Road
Tri·Road
Swansea

Mumbles Duathlon

The Mumbles Duathlon guides participants along the promenade bordering Mumbles Bay, then directs them onto the Gower Roads for a 32k cycling segment followed by a second run. This sprint-distance duathlon in South Wales comprises a 5k run, a 32k bike ride, and a final 5k run, concluding the Activity Wales Events calendar. The two running portions are straightforward out-and-back routes along the promenade. The cycling course features some rolling terrain and includes a single ascent steep enough to potentially require a lower gear. The event welcomes all who can manage the distance, attracting both novices and seasoned multi-sport competitors. Men and women compete in separate categories for wins.

Road
Tri·Road
Swansea

IRONMAN 70.3 Swansea

IRONMAN 70.3 Swansea begins at the historic SA1 dockside, sending athletes into a swim, bike, and run in South Wales. It is part of the IRONMAN 70.3 series, the half-distance format featuring a 1.2-mile swim, 56-mile bike ride, and 13.1-mile run, totaling 70.3 miles. The course follows Swansea’s waterfront before heading toward the Gower Peninsula. Rolling green hills shape the bike leg, making it more than a flat out-and-back effort. The participants include serious age-group racers seeking qualification, relay teams, first-time long-course triathletes, and supporters following the race from the docks to the finish.

Road
About cycling & running in Swansea

Swansea Training Notes

Running: Locals get their easy miles on the Swansea Seafront route, because the line from SA1 to Mumbles gives about 7 miles of flat coastal rhythm. Swansea Bay parkrun starts every Saturday at 9 AM from The Secret Beach Bar & Kitchen, and RAD Runners leave Beer Riff in Swansea Marina on Tuesdays at 6.30 PM for 5km or 8km. Swansea Striders meet Thursdays at 6 PM from Strand Car Park and Sundays at 10:30 AM from the Recreation Ground car park. Swansea Bay 10K, The Swansea 5K, Swansea Half Marathon and IRONMAN 70.3 Swansea are the anchor events.

Cycling: Locals ride the Swansea Bay cycle route when they want clean Z2, because Swansea Prom runs for 5 miles along the sweep of Swansea Bay. NCN Route 4, NCN Route 43 and the Celtic Trail link the city into proper base miles, while Clyne Valley Country Park keeps the legs turning away from the front. Swansea CTC rides Sundays and Wednesdays from spots like the Marina, Killay, Gowerton, Briton Ferry and Neath, and Swansea Wheelers, Swansea Velo Club and Gower Riders fill the bunch-ride calendar. Constitution Hill, Rhossili Down, Llanmadoc Hill, the Lliw uplands and the Black Mountain foothills hold the climbs.

Season: Swansea works best when the days are longer, and summer gives the Gower off-road cycle network mostly dry riding across its 27 kilometres of paths. The coastline still catches rain-bearing Atlantic winds, so locals keep one eye on the prom before intervals or a steady spin. Peak holiday season changes the feel on some Gower roads, while the bay still gives runners space for tempo work and easy doubles. Winter makes some off-road routes muddy or even boggy, and the same wind that sharpens a run home can turn a ride back into honest cyclocross practice.

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All races within 80 km, sorted by date. Click any event for the route, registration link, and past results.
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