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Every 3BA Athlete gets 45 minutes of skill development, real game-play, live-tracked stats, and a first-class league experience. Pick your program and hit Register — it only takes a few minutes.
3x3 Leagues
Learn More→3BA Junior League
Grades 3–5
45 min skill development + 45 min game-play
Offseason3BA Youth League
Grades 6–8
45 min skill development + 45 min game-play
Offseason3BA All-Girls Division
Open age group
45 min skill development + 45 min game-play
Offseason3BA High School
Grades 9–10
Game-play only
OffseasonNext Gen
Learn More→School Programming
Learn More→Arranged by email
Schools & private bookings
Not athlete registration — school partnerships and private bookings are set up directly with our team.
School Partnerships
Educators — bring the 3BA to your school. Email us your school name, contact name & title, and what you're looking for, and our team will take it from there.
Private Training & Special Events
Private sessions, team training, birthday parties, corporate tournaments, and private pickup runs — email us what you have in mind and we'll build it with you.
What happens next
From sign-up to tip-off
- Choose your program and hit Register.
- Pick your season, dates, and location, and complete your registration.
- Sign up solo or add teammate requests — we'll do our best to keep friends together.
- Watch your inbox for your schedule, and follow @3baathletics for weekly MVPs and highlights.

Still deciding?
We'll help you find the fit
Not sure which division your athlete belongs in? Send us a note — we answer every one.