Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Sheffield Tententen

Name: Sheffield Tententen
Start: 2026-10-11
End: 2026-10-11
Location: Sheffield

Sheffield, United Kingdom • 11 Oct 2026

Sheffield TenTenTen - Endcliffe Park 10k

The Sheffield TenTenTen is a multi-terrain trail running event held in Endcliffe Park, Sheffield. The event is organized by KandooEvents, running since 2010. The organizer lists the edition in October 2026 as the 15th and final edition at Endcliffe Park. The event routinely attracts over 1,000 entrants and is described as inclusive of a wide range of running abilities, from first-time 10k participants to international-level athletes.

Race format and course

Distances:

10k
2.5k fun run

The main race is a trail 10k run on mixed surfaces: grass, road, paved paths, and woodland trails. The course includes some small climbs and descents, with twists and turns. The 2.5 km fun run is for children aged 4 to 14; at age 15 participants may enter the main event. Adults may chaperone children in the fun run without needing a race number. Visit the organization's website for the most recent information.

United Kingdom Yorkshire and The Humber Sheffield

Race information

Website

10 km

10k

2.5k Fun Run

Visit the organization's website for the most recent information.

Trail runs nearby

Thursday May 7

Kirkstall Rock up n' Run

Leeds

5 km

10 km

An evening popup running event in Kirkstall, Leeds offering 5k and 10k races with on the evening registration, a jumble medal and a soft drink for all runners.

Saturday May 9

Dukeries 30 / 40

Ollerton

30 mi

40 mi

Trail ultra in Sherwood Forest offering 30 mile and 40 mile loops that pass Thoresby Estate, Creswell Crags and Welbeck Estate. The course is fully marked, has aid stations and provides finisher medals.

Saturday May 9

Spire Ultra

North Wingfield

33 mi

A trail race of 33 miles following much of the Chesterfield Round Walk across moorland, woodland, reservoirs and farmland. The course is largely unmarked and comes with GPX route notes, staffed checkpoints and medical cover.

Saturday May 9

Marsden Moors and Marathon

Three circular challenge routes of 26.2, 23 and 18 miles around the Colne Valley near Marsden. Entries are by SIEntries with a 150 person limit and include checkpoints, refreshments and a finish meal.