Tewinbury Trail 10k

Welwyn, United Kingdom • 1 Dec 2026

Event Overview

The Tewinbury Trail 5K & 10K is a trail running event hosted at Tewinbury Farm & Hotel, located north of Welwyn in Hertfordshire. The routes take place on trails around the estate and surrounding countryside.

Course Details

The event offers two distances: 5 km and 10 km. The routes are described as undulating with a mixture of terrain, including single-track forest paths and open dirt tracks. Underfoot conditions include dirt, grass, and woodland trails. The 10 km route has approximately 180 meters of elevation gain, while the 5 km route has about 100 meters. The course is fully marked with orange signage and marshals.

Event Information

The event base is the Tewinbury Event Field. There is on-site car parking and a bag drop facility. An aid station providing water and nutrition is located at approximately 5.3 km for the 10K race. Toilet facilities are available on site. Welwyn North train station is noted as being a 15-minute walk away. Dogs are not permitted.

Registration and Rules

Entry is £22 for the 10K and £18 for the 5K, with discounts for UK Athletics-affiliated runners. The minimum age is 12 for the 5K and 16 for the 10K. The event is held under a Trail Running Association permit and UK Athletics rules. All finishers receive a souvenir medal. Age category awards are presented. Visit the organization's website for the most recent information.

Race information

10 km
10k
5 km
Visit the organization's website for the most recent information.
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