Isaac's Tea Trail Ultra

Allendale Town, United Kingdom • 1 Aug 2026

Event overview

Isaac’s Tea Trail Ultra - Backwards is a 37-mile loop race starting and finishing in Allendale, within the North Pennines AONB and UNESCO Global Geopark. The route includes about 4800 ft of ascent. The event offers both a solo ultra and a relay option for teams of up to three runners. Entry fees are listed at around £78-£80 for the solo ultra and £100 per relay team. Registration takes place at Allendale Village Hall, NE47 9PR.

Route, navigation and timing

The course follows the waymarked Isaac’s Tea Trail through farmland, riverside trails, villages, meadows and moorland. The event is largely self-navigating using permanent signage; a downloadable map and GPX file are provided. Marshals will be positioned at key points, and participants have a 12-hour window to complete the route, equivalent to an average of about 3 mph.

Relay legs and terrain

  • Allendale to Ninebanks - 10.2 miles, 1200 ft climbing
  • Ninebanks to Nenthead - 15.8 miles, 1900 ft climbing
  • Nenthead to Allendale - 11.4 miles, 1750 ft climbing

Terrain is a mix of farmland tracks, field boundaries, sheep trods, minor roads and stony undulating trails; trail shoes are recommended.

Included services

The event package mentions a branded mug, a packet of mixed wild flower seeds, event tracking, free event photos, well-stocked checkpoints with drinks and snacks, and food and drinks at race HQ after the event. A donation from each entry goes toward trail upkeep. Visit the organization's website for the most recent information.

Race information

37 mi
Ultra Relay (team of up to 3)
37 mi
Ultra Solo
Visit the organization's website for the most recent information.
Trail runs nearby

Start the year with the Nine Standards fell race in Kirkby Stephen on 1 January 2026, a challenging 8 mile course with 549 m of climb across classic Cumbrian hills. Pre entry is required and full FRA kit is mandatory.

Join the Deepdale Dash, a charity 5 mile trail in Barnard Castle supporting St Teresa's Hospice on 3 January 2026. Enjoy riverside paths, woods and technical trails with boggy sections; bring trail shoes and a reusable bottle.

Run under the stars through Kielder Forest at the Osprey Trail Run on 3 January 2026, a 22 km night trail with rolling singletrack and 447 m of climbing. Race 2 of the Shadowlands series promises atmosphere, prizes and tough trails.

Explore the middle section of the LAW75 on 3 January 2026 with NAV4, covering about 20 miles from Buckden to Mallerstang with minibus support and snacks. Open to all, limited to 12 places; entry £30.