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Meet Jonathan

Jonathan Siegrist

Pro climber and Arc'teryx athlete, Jonathan (aka J-Star) is one of the most technical climbers in the world. With over 500 5.14 climbs and nearly 30 5.15s under his belt, he's on the cutting edge of what can be climbed.

Jonathan attributes his super technician status to his scientific training, although his father, Bob, climbs 5.13, so it might just be the zeitgeist of the Siegrists.

Climbing Performance & Nutrition Program.

During his three-month program, Jonathan partners with nutritionist Shaina Savoy to share all he's learned from projecting and training to mental game and fueling to help you reach your performance goals.

Climb Harder

With Jonathan as your mentor.

5.15b, Nu World

Jonathan climbs a first ascent, Nu World, 5.15b, outside of Las Vegas, a send that culminated in months of training and mental preparation.


  • Over 500 5.14s
  • Nearly 30 5.15s, including:
  • 5.15b, Jumbo Love, Mojave Desert
  • 5.15b, Planta de Shiva, Malaga
  • 5.15b, Stoking the Fire, Santa Linya
  • Trad and big walls climbs up to 5.14b
  • Onsights up to 5.14a
  • Boulders up to v14

See You Out There.