Celebrate Welsh heritage in the most active way possible at the St David's Day Run, a vibrant festival of running set in the heart of Cardiff’s Bute Park on Sunday, 1st March 2026. Choose your challenge from a 5k, 10k, or Half Marathon on a fast, flat, and fully accessible looped course that showcases the park’s serene beauty, with every step supporting vital Welsh charities, Cancer Research Wales and Kidney Wales. Embrace the festive spirit by dressing in your best daffodils, dragons, or leeks, and join a community of runners, families, and friends for a morning of camaraderie and personal achievement. With chip timing, a high-quality commemorative medal, and a dedicated kids' race, this event perfectly blends a serious running challenge with a joyful celebration of national pride. Secure your place for a memorable run where every kilometre honours Wales and contributes to a brighter future for its people.
Races Offered
Half-marathon
Mar 01, 2026
straighten
Distance —
21.1K
terrain
Type ——
timer
09:00
10K
Mar 01, 2026
straighten
Distance —
10K
terrain
Type ——
timer
10:00
5K
Mar 01, 2026
straighten
Distance —
5K
terrain
Type ——
timer
10:00
Weather Overview
These values represent the 3-year monthly averages for March in Cardiff.
Temp (°C)
Feels Like (°C)
thermostat4.9° / 11.1°
wb_sunny0.6° / 7.1°
Wind (km/h)
Humidity (%)
air16.0 /
water_drop82.6%
Temp (°C)
Feels Like (°C)
Wind (km/h)
Humidity (%)
thermostat4.9° / 11.1°
wb_sunny0.6° / 7.1°
air16.0 km/h
water_drop82.6%
About Cardiff
Learn more about the host city, Cardiff.
Cardiff is the capital and largest city of Wales. It used to be an industrial city, but is now a lively and modern capital city and a tourism hot spot. The city is friendly to pedestrians, and summer is by far the best time to visit, with large festivals, and outdoor dining and drinking.
