Coach Calum Neff began running at the age of four years old and over the past 30+ years has trained and studied under coaches and running programs all over the world. Always an athlete that asked "why?" and constantly reading training material from a young age through to today, led to a natural progression and passion for coaching. Over the past 15+ years Neff has coached every level of athlete from elementary school, high school, collegiate, and adult, introductory-to-elite, for every distance from 100 meter to 100 mile. As a self-coached runner Neff competes and paces world-wide at an elite level and has held the Canadian National 50k Record at 2h51m, four Guinness World Guinness Records, and numerous wins including The Woodlands Marathon, Marine Corp Marathon 50k (course record, Cowtown Marathon 50k, Dallas Marathon 50k (course record), The Silos Marathon, Wings for Life World Run (California, Ecuador, Houston, Florida) and many more top performances.

In addition to his accomplishments, Calum Neff owns Trail Racing Over Texas & Hard Loop Endurance.

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• B.S. Psychology University of Houston
• RRCA Level 1 Distance Running Coach
• RRCA Certified Race Director
• USATF Level 1 Track & Field
• USATF Basic Principles of Endurance Training
• Athletics Canada NCCP Trained Sport Coach
• USA Triathlon Foundations of Coaching
• SafeSport Trained
• C2C High Performance Mindset
• Stryd Coaching with Power
• First Aid CPR/AED Adult & Child

Professional Coaching and Athlete Services

Coach Cal Neff and his team of trained and educated endurance-sport professionals utilize their own world-class level competitive athlete experience, and ongoing study, with decades of effective athlete-coach interactions to provide training to all levels of athletes, from beginner to elite.
Knowledgeable, certified, and experienced coaching team. 

Visit www.hardloop.run for professional coaching and athlete services.

 Trail Racing Over Texas has hosted over 100 events across Texas, from one-mile kids runs, 100-mile USATF championships, UTMB & Western States qualifiers, up to 200-mile mountain adventures, 100h timed events, cross country, rucking, and everything in between for thousands of trail participants from beginner to elite, young and old, a place for anyone to "Get Off the Road" in Texas.

​TROT is a locally family-owned business by trail runners Cal & Rachel Neff (and their four daughters!) to bring inclusive world-class trail events to Texas.

​Events include the fastest 100mi and 50mi trail races at Brazos Bend (April and December events), the hottest race in Texas at Habanero Hundred, the beautiful Wildflower trail run in Bastrop, a hidden Texas gem with Mission Tejas, our timed challenge Jackalope Jam, the party at Night Moves, and unique triple challenge at the Shootout, the Big Tex Backyard Ultra, Road Kill XC, and many more unique themed and format races.

​The TROT mission is to provide opportunities for anyone to "Get Off the Road" and move outside on trail, to showcase Texas's beautiful parks and ranches with family-friendly events for all abilities and ambitions.

For more information on Trail Racing Over Texas visit https://www.trailracingovertexas.com/