USA Ninja Challenge - Marlborough

Ninja gym in Marlborough, MA

USA Ninja Challenge - Marlborough is a ninja and obstacle course gym in Marlborough, MA. It has hosted 5 league competitions since 2026, with the Ultimate Ninja Athlete Association, World Ninja Athlete Games and Federation of International Ninja Athletes. 233 athletes have competed here. Next up: FINA Season VIII Qualifier - Endurance #1 on Nov 7–8, 2026.

5upcoming competitions
5competitions hosted since 2026
233athletes have competed here
3leagues

Leagues

Ultimate Ninja Athlete Association2 events hosted · 2 coming up
World Ninja Athlete Games1 event hosted
Federation of International Ninja Athletes2 events hosted · 2 coming up

Upcoming competitions

Nov 7–8, 2026
FINA Season VIII Qualifier - Endurance #1FINAFINA events calendar (opens in a new tab)
Nov 7–8, 2026
FINA Season VIII Qualifier - Speed #1FINAFINA events calendar (opens in a new tab)
Nov 27, 2026
USANC Local - Season 4 - Marlborough, MAUnaffiliatedRegister (opens in a new tab)
Dec 12–13, 2026
UNAA Season 12 Area QualifierUNAA
Jan 23, 2027
UNAA Season 12 Area QualifierUNAA

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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.