PFW Running - Brockholes Bimble

Event overview

PFW Running's Brockholes Bimble is a trail running event held at Brockholes Nature Reserve, Preston (Preston New Road, Samlesbury, PR5 0AG). The event offers multiple distance options on undulating trail paths that pass lakes, the River Ribble and woodlands. The reserve covers 250 acres and includes the site’s floating visitor centre.

Distances and format

• 10K - 1 lap of the course plus a short out-and-back
• Half marathon - 3 laps
• Marathon - 6 laps
• Ultra - as many laps as a runner wishes within the time limit

There is a 6-hour overall time limit. The final lap must be started within 5 hours 15 minutes.

Entry, fees and limits

Maximum entries: 100. Entries close 01/05/2026. Entry fees vary by distance and affiliation status, for example: 10K affiliated £22, 10K unattached £24; half affiliated £26, unattached £28; marathon affiliated £30, unattached £32; ultra affiliated £36, unattached £38. Two pounds from every entry will be donated to Brockholes nature reserve for path upkeep.

Other information

All participants must be 18 or older. Runners aged 18-19 may enter up to marathon distance; runners over 20 have no maximum distance. Transfers or deferrals are allowed up to one week before the event. No refunds are permitted. Participants receive a bespoke medal and post-run snacks; water, cordial and coke are provided. The event is part of a three-day series. Visit the organization's website for the most recent information.