Jason Koop

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Jason Koop

Professional ultramarathon coaching

11/12/2025

Completing a Rim-to-Rim-to-Rim (R2R2R) route in the Grand Canyon is a bucket-list achievement for many runners. There is no organized event or race to sign up for, meaning it’s a self-supported adventure and you’re entirely responsible for every step of the planning, gear, navigation, nutrition, hydration, and physical preparation.

CTS Coach Darcie Murphy has completed R2R2R twice and helped many athletes achieve their goals on the trail, too. If you’re up for the adventure of a lifetime, some of the best views on the planet, and an accomplishment you’ll be proud of forever, we hope this guide helps you complete your own R2R2R.

Running a Rim-to-Rim-to-Rim (R2R2R) route in the Grand Canyon is a bucket list accomplishment for many. Here's our guide to getting ready.

13/11/2025

As a CTS Ultrarunning Coach and Certified Mental Performance Consultant® (CMPC) through the Association for Applied Sport Psychology, Neal Palles' own races are opportunities to “walk the walk” when it comes to mental performance strategies.

At the Javelina Jundred he faced with a scenario many ultramarathon runners can relate to: To quit or not to quit. We'll save you the suspense, he finished. What’s more important for you, though, are the lessons you can learn from how Neal managed the mental performance crisis.

As a CTS Ultrarunning Coach and Certified Mental Performance Consultant® (CMPC) through the Association for Applied Sport Psychology, my own races are

30/10/2025

There’s renewed interest in the idea of strength training for muscular endurance because it was cited as a key training component behind elite victories at UTMB 2025. High-load, low-rep training develops strength, durability, bone density, and tendon resilience. Proponents of low-load, high-rep strength circuits claim they improve muscular endurance. So, if you’re headed to the gym or designing your at-home strength routine, which should you focus on?

Muscular endurance matters in ultrarunning. Coach Cliff Pittman examines whether science supports developing it with high-rep strength training.

16/10/2025

Isometric strength training creates great tension in muscles and tendons while joint angles and muscle lengths remain (mostly) unchanged. It's a safe and effective way for ultrarunners to develop greater muscle strength while also building and protecting important connective tissues. Coach Molly Schmelzle, MS, NSCA-CSCS, ACE-PT loves this form of strength training and has the key exercises you should try.

Isometric strength exercises are a safe and effective way for ultrarunners to develop muscle strength and build and protect connective tissues.

18/09/2025

"When Should I Start Training For An Ultramarathon?"

"Start now" may seem like a no-duh, simplistic answer, but it's not flippant. After coaching ultramarathon runners for more than 20 years, from beginners to champions and course record holders, I have learned that TIME is an endurance athlete's biggest advantage.

If you're looking at an event next summer - either your first ultra or a chance at improvement (or redemption) - right now is a great time to start training. Here's why.

CTS Ultrarunning Coach Darcie Murphy answers common questions related to "when should I start training for an ultramarathon?"

04/09/2025

At some point, you can't just add more training hours or miles to get faster. Even if you could, there are risks to doing more, including injuries, exhaustion, and burnout.

A wiser way to “do more” is by rearranging the hours you already have so your efforts can be more effective within your existing training volume. This is the concept behind "concentrated volume", and here's how I implement it for runners.

Concentrated volume is a method of rearranging ultramarathon training to increase training stress from existing weekly hours.

24/07/2025

Running downhill leads to a lot of muscular damage and wrecked legs. As a result, some coaches spend a lot of time specifically focused on preparing an athlete’s legs for downhill sections of mountainous races. It’s an understandable motive, but research shows less is more when it comes to conditioning legs for downhill running. Learn more in this article.

Downhill running is tough on legs, but it doesn't take much training to improve your downhill running, according to Coach Jason Koop

17/07/2025

Congratulations to Katie Schide on winning the 2025 Hardrock 100 in her debut appearance and breaking the counterclockwise and overall female course records! With her win in Silverton, Colorado, Katie joins Courtney Dauwalter and Kilian Jornet as the only athletes to win the combination of Western States, UTMB, Diagonale des Fous, and the Hardrock 100 within their careers. Here’s an inside look at how she did it.

Learn how Katie Schide prepared to win and set a new course record at the 2025 Hardrock 100 ultramarathon.

10/07/2025

Fuzhao Xiang's 2025 finish time of 16:47:09 ranks 7th on the list of all-time fastest female finishes at Western States Endurance Run and she finished second in the women’s race for the second consecutive year. A ton of things need to go right over 12 months to achieve back-to-back podium performances at Western States, so here’s my look at what went right and how she did it.

Fuzhao Xiang has a strong chance of becoming the first Chinese athlete to win one of ultrarunning’s most prestigious races: Western States (WSER) or Ultra

03/07/2025

Congratulations to CTS Athlete Abby Hall on winning the 2025 Western States Endurance Run! Abby faced significant challenges just to reach the start line of this year's race, including a devastating knee injury just two years ago. Here are some critical components of the training and race day strategies that helped her complete one of the greatest comeback stories in trail running!

How She Did It: Abby Hall’s 2025 Western States Victory Written by: Jason Koop CTS Premier Ultrarunning Coach Updated On July 3, 2025 All athletes must persist through a series of highs and lows, great performances and serious setbacks. Abby Hall’s journey from a 28-hour first finish at the 2...

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