MacTuffX Sunderland

JUL
4
2026
MacTuffX Sunderland offers a unique interval based racing format with 400m and 800m repetitions. Participants can compete solo or in teams through doubles and relay categories in this July event.
Solo X (10x400m) Relay X (10x400m) Doubles X (10x400m) Doubles 2x (10x800m) Relay Xx (10x800m)

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

MacTuffX Sunderland is a multi-format running event scheduled for July 2026 in Sunderland. The competition is structured around repeated intervals and is open to participants who are at least 18 years of age on the day of the event. All participants must register as either individuals or as part of a team, depending on the chosen category.

Course Formats

The event features several distinct categories based on interval distance and participation type. Participants can choose between different repetition structures:

  • Solo X: Individuals complete a sequence of 10 x 400m intervals.
  • Solo 2X: Individuals complete a sequence of 10 x 800m intervals.
  • Doubles X: Pairs compete together in a 10 x 400m interval format.
  • Doubles 2X: Pairs compete together in a 10 x 800m interval format.
  • Relay X: Teams participate in a 10 x 400m relay structure.
  • Relay XX: Teams participate in a 10 x 800m relay structure.

Registration is divided into solo, double, and relay entries, with specific pricing tiers for each category. All racers are subject to the same age restrictions and event policies. Visit the organization's website for the most recent information.

8 km
Doubles 2x (10x800m)
8 km
Relay Xx (10x800m)
8 km
Solo 2x (10x800m)
Solo X (10x400m)
Relay X (10x400m)
Doubles X (10x400m)