3km OCR UK Series

The 3km OCR UK Series will return for it’s third season in 2026 and is supported by British Obstacle Sports.

The series is run by a collective of short course obstacle racing event organisers and aims to provide UK athletes with the best short course racing experience in the country. It is a great opportunity to train and practice for national and international competition.

By working together, the organisers aim to run races that fit the calendar and provide affordable race tickets for both competitive and non-competitive athletes in OCR.

Supporting athlete development. and providing top-level racing is the aim of the game. Keeping it simple for series racers and accessible to all levels.

Your best three events count, with all events holding a practice session for athletes prior to races (either day before or on the day depending on the centre/event in question)

2026 Confirmed Race Calendar: (more dates may be added)

• March 28th – British OCR 3K Championship (hosted by Tartan Warrior)
• April 19th – Rumble Fitness 3K
• Aug 29th – The Nuts Challenge 3K (event cancelled)
• Sept 20th – The PT Barn 3K
• Oct 3rd – Fit Body Farm 3K

To score points in the series you will need to be a British Obstacle Sports member, you will not need to be a member to take part in the events, unless required by the individual event organiser.

Series rules are outlined here.