Ark Ninja
Ninja gym in Longmont, CO
Ark Ninja is a ninja and obstacle course gym in Longmont, CO. It has hosted 9 league competitions since 2025, with the Ultimate Ninja Athlete Association, Federation of International Ninja Athletes and Ninja Sport Championship. 356 athletes have competed here. Next up: UNAA Season 12 Area Qualifier on Oct 24–25, 2026.
- 1upcoming competition
- 9competitions hosted since 2025
- 356athletes have competed here
- 3leagues
Leagues
Ultimate Ninja Athlete Association3 events hosted · 1 coming up
Federation of International Ninja Athletes4 events hosted
Ninja Sport Championship2 events hosted
Upcoming competitions
- Oct 24–25, 2026UNAA Season 12 Area Qualifier
Find Ark Ninja online
arkninja.com (opens in a new tab)Facebook (opens in a new tab)Instagram (opens in a new tab)YouTube (opens in a new tab)
From the gym's own website and the public calendars of ninja leagues; counts from published results. Logos belong to their gyms and leagues; want yours updated or removed? Tell us. No athlete or coach information is shown. Dates are the venue's local dates; check with the gym or league before you travel.