About
The Grit Ninja is a ninja obstacle sport program where participants move through unique and challenging course designs. The sport of ninja in this program uses upper body power, grip strength, balance, and agility to complete the obstacles. The training has roots in parkour, climbing, and gymnastics and focuses on developing a wide range of technical skills and overall strength.
• Ages: 5–18 years old
The Grit Ninja was co-founded by Allison Meltzer and Eric Meltzer. The program’s stated mission is to positively impact the lives of the children and adults who participate by building a supportive community that encourages personal growth and individual accomplishment. The Grit Ninja also offers Grit On The Go, a mobile obstacle program that brings ninja-style obstacles to off-site locations with fully customizable programming for school or camp visits, private events and celebrations, theme weeks, and team building.
Last updated May 30, 2026.
• Ages: 5–18 years old
The Grit Ninja was co-founded by Allison Meltzer and Eric Meltzer. The program’s stated mission is to positively impact the lives of the children and adults who participate by building a supportive community that encourages personal growth and individual accomplishment. The Grit Ninja also offers Grit On The Go, a mobile obstacle program that brings ninja-style obstacles to off-site locations with fully customizable programming for school or camp visits, private events and celebrations, theme weeks, and team building.
Last updated May 30, 2026.
Is this your business? There is no cost, but you will be asked to sign up or log in.