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Hubble Bubble Day 2

Leeds, United Kingdom • 26 Oct 2025

Event overview

Hubble Bubble Day 2 is a Halloween-themed trail running event on 26/10/2025. The races take place along the Leeds to Liverpool Canal at Wyther Lane, Kirkstall, Leeds LS5 3BT. The course is a flat, scenic out-and-back route and is Trail Running Association licensed. Fancy dress is encouraged and spot prizes are awarded for the best costumes. All finishers receive a bespoke Halloween medal and treats.

Details

Distances offered:

  • 5K
  • 10K
  • 10 Miler
  • Half Marathon
  • 20 Miler
  • Marathon
  • Ultra Marathon

The event is marshalled and fully signed. Feed and drink stations are provided approximately every 3 miles; participants should bring a reusable cup or bottle because the event is cup-less. Some road crossings are unmanned, and marshals are present on the course. Over-ear headphones are not allowed for safety; bone-conducting or single-ear earbuds are permitted. Transfers and deferrals are available online. The nearest train station is Headingley. There is no parking at the start/finish; Morrisons car park is a short walk away. Visit the organization's website for the most recent information.

United Kingdom Yorkshire and The Humber Leeds

Race information

Registration
42 km
Marathon (2 X Half Marathon Laps)
20 mi
20 Miler (2 X 10 Mile Laps)
21 km
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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