UK road ultramarathons · Timed / multi-format
Mackyard Ultra 24
Redbridge Cycling Centre, London · England
A capped backyard-style challenge on Redbridge's cycling circuit. Runners start a new yard each hour, using the remaining minutes to recover before the next start.
- Distance / format
- Hourly 4.2-mile yards · maximum 24 hours
- Surface
- Tarmac · hilly cycling circuit
- Next listed date
- TBC — future edition not confirmed
- Typical field size
- Not confirmed
The course and challenge
Each yard covers about 4.2 miles on the tarmac circuit and includes around 110 metres of climbing. The event ends after 24 hours, rather than continuing indefinitely until one runner remains.
Dates and entry
The listed start is 3 October 2026 at 14:00. Your completed distance determines whether the result is an ultra; entering a timed event alone does not guarantee an ultra finish.
Next date: TBC. Check the organiser for a new announcement before making plans.
Entry information checked 26 Sept 2026. A published race date does not guarantee available places.