Celebrate the holiday season with the Great Christmas Fun Run, returning to Mumbles for another year of festive fun and record-breaking participation. This beloved community event invites runners to don their most creative costumes and Santa hats as they kick off the 2026 holiday festivities in style. The day begins at Oyster Wharf where registration opens at 9:00 AM, giving participants ample time to arrive and get ready for a morning filled with joy. For those joining the kids' race, be sure to register by 10:00 AM; adult runners have until 10:15 AM to complete their sign-up process. At 10:25 AM, there will be an essential briefing session for all children participating in the 1k run. The fun begins promptly at 10:30 AM with a short out-and-back route along Mumbles' picturesque seafront promenade. Meanwhile, adult runners can look forward to starting their 5k or 10k race just after 11:00 AM. The scenic course offers breathtaking views of the coastline and is designed for safety, ensuring participants stay on the left-hand side throughout the run while respecting other path users. Water stations will be strategically placed along the route to keep runners hydrated during their festive journey. As the day progresses, expect the first finishers around 11:15 AM, leading up to an awards ceremony at noon where medals and prizes await those who have completed their runs with spirit and style. Don't miss out on capturing memories from past events; visit the official photo galleries for images that showcase the joyous atmosphere of previous years. Join us this December as we celebrate the holiday season in Mumbles, making lasting memories along its stunning coastal promenade. Participants will enjoy chip timing to ensure accurate results and a festive medal upon completion. Water stations are placed throughout the course to keep runners hydrated during their run through the charming seafront area of Mumbles. Experience the magic of this unique event that combines community spirit with holiday cheer, all set against the backdrop of one of Wales' most beautiful coastal towns. For more information and updates on race day logistics, visit our website or follow us on social media. We look forward to seeing you there!
Races offered
06Dec
10k 2026
Running
Distance
10K
Countdown
45 days
Entry fee
£24.95
06Dec
1K Kids Race 2026
Running
Distance
1K
Countdown
45 days
Entry fee
£11.95
06Dec
5k 2026
Running
Distance
5K
Countdown
45 days
Entry fee
£19.95
Weather history
3-year monthly averages for December in Swansea.
Temperature6.4° / 10.0°
Feels like1.8° / 6.0°
Sunshine hours2h 55m
Rainfall7.6 mm
Snowfall—
Wind18.5 km/h (Gentle breeze)
Humidity86.0%
Max UV indexLow (1.4)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise09:13
Sunset17:08
About Swansea
Learn more about the host city, Swansea.
Swansea is a city on the beautiful Gower Peninsula — the United Kingdom's first designated "Area of Outstanding Natural Beauty". It is home to about 247,000 people (2023) . It is the second largest city in Wales and is known for its Blue Flag beaches and stunning coastal walks.