Hubble Bubble Day 1

Leeds, United Kingdom • 25 Oct 2025

Hubble Bubble Day 1 is a Halloween-themed running event held along the scenic Leeds to Liverpool Canal in Kirkstall, Leeds. The course is a flat, out-and-back trail, ideal for runners of all levels, from beginners to seasoned athletes aiming for personal bests. Participants can choose from seven distances, including 5K, 10K, 10 miles, half marathon, 20 miles, marathon, and ultra marathon.

The route features good trail terrain with water and aid stations approximately every three miles. Runners are encouraged to wear Halloween fancy dress and will receive bespoke medals and treats at the finish. The event fosters a fun, festive atmosphere with marshalled and signed courses. Visit the organization's website for the most recent information.

Race information

26 mi
Marathon (2 X ½ Marathon)
20 mi
20 Miler (2 X 10 Miler)
13 mi
Half Marathon
10 mi
10 Miler
10 km
10k
5 km
Ultra Marathon
Visit the organization's website for the most recent information.
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