About Brett Stewart

Brett Stewart is the co-founder of MudRunGuide, creator of OCR Warrior, and author of several popular fitness books in the 7 Weeks to Fitness series.

“Ultra Marathon Man” Dean Karnazes to Partner with Spartan Trail

By |February 20th, 2021|

Spartan Trail and Pacific Coast Trail Runs partner to host  “Golden Gate Trail Classic” with endurance legend Dean Karnazes  San Francisco's Golden Gate Bridge and Trails of Marin & Mount Tamalpais set the stage for North America’s only Spartan Trail World Championship event BOSTON (February 19, 2021) – Spartan® , the world’s leading endurance sports [...]

24-Hour Spartan Ultra WC Heads to Telluride in CO

By |February 19th, 2021|

24-Hour “Spartan Ultra World Championship” to Unfold At Telluride Ski Resort in Mountain Village, Colorado – October 10-11

Spartan’s North American Championship Location Announced: Squaw Valley

By |February 4th, 2021|

The Continent’s Best Obstacle Course Racers Descend on North Lake Tahoe, CA for the 2021 Spartan North American Championship Presented by Yokohama    New Location for Spartan’s North American Championship Brings Endurance Athletes to the Storied Mountains of  Squaw Valley | Alpine Meadows BOSTON, Mass. (February 4, 2021) –  Spartan®, the world’s leading endurance sports and [...]

2021 Spartan World Championship in Abu Dhabi  Offers $115,000 USD Prize Purse for Elite Endurance Athletes  

By |January 19th, 2021|

Spartan Hosts Its Marquee Event Weekend December 3-5, Marking the  Endurance Brand’s First World Championship Outside of the US  BOSTON, Mass. (January 19, 2020) –  SPARTAN®, the world’s leading endurance sports and extreme wellness brand, has announced a $115,000 USD prize purse for the 2021 Spartan World Championship™, taking place December 3-5, 2021 in Abu [...]

2021 Spartan Trail World Championship announced

By |January 8th, 2021|

Spartan unveils 2021 Trail World Championship with new format and events reaching the global trail running community

Bermuda Triple Challenge 2021 Update

By |January 6th, 2021|

James and Jason give an update on Bermuda Tripe Challenge 2021

Spartan Plans Return to Competitive Racing with Schedule Release  for 2021 US National Series Presented By USANA

By |December 31st, 2020|

Spartan, the world's leading endurance brand, announces event format changes and 2021 schedule

The Intersection of ROTC and OCR

By |December 14th, 2020|

MRG's sister company, Adventure Fitness helps create a future for OCR with JROTC & ROTC training courses nationwide

Rocker Bottom Meets Rock ‘N Roll: MBT Goes High Tech

By |October 17th, 2020|

MBT's rocker sole has been a staple for ultra runners, now they are bringing the tech to speedsters too! Powered by MBT’s patented curved-sole technology and a bold aesthetic, the new Huracan 3000 signals a daring new era for the brand

Ready to Rock: Rock ‘n’ Roll Marathon Series Introduces Safe Return to Running Guidelines

By |October 15th, 2020|

Rock ‘n’ Roll Marathon Series releases its guidelines for operating upcoming Roll ‘n’ Roll Series events

Mud Run Guide
Welcome to Mud Run Guide - the worldwide leader in mud runs, obstacle course races, and outdoor running adventures. Established in 2012, our focus is to provide you with the best events, discounts, news, reviews, gear, and training for the sport of OCR.