Grassroots 365 Official Site

The Premier Grassroots Basketball News Source

Skip to content

About
- Gallery
- News
- Rules
- Media
Calendar
Awards
Stats
Standings
Rankings
Account
Cart

Menu

About
- Gallery
- News
- Rules
- Media
Calendar
Awards
Stats
Standings
Rankings
Account
Cart
NationalsJul 24 - 26 | Las Vegas Convention Center (Las Vegas
Events
Events
- Signature
  
  Championship
  March 28-29, 2026OGP Anaheim
  +
  
  The Finals
  June 26-28, 2026OGP Anaheim
  +
  
  Emerald City Classic
  October 11-12, 2025Auburn Fieldhouse
  
  Capital Clash
  October 25-26, 2025Roebbelen Center
  
  Halloween Classic
  October 25-26, 2025OGP Anaheim
  +
  
  Valley of the Sun
  November 15-16, 2025ASC Avondale
  
  The Winter Challenge
  December 20-21, 2025OGP Anaheim
  
  MLK Classic
  January 17-19, 2026OGP Anaheim
  +
  
  Presidents’ Day Classic
  February 14-16, 2026OGP Anaheim
  +
  
  National Showdown
  February 14-16, 2026Duncanville Fieldhouse
  
  Big Showdown
  May 9-10, 2026Mira Costa College
  +
  
  Memorial Madness
  May 23-25, 2026OGP Anaheim
  +
  
  Memorial Day Challenge
  May 23-25, 2026OGP Oakland
  
  Nationals
  July 24-26, 2026Las Vegas Convention Center
  
  Orange County
  
  Fall Kickoff
  September 13-14, 2025OGP Anaheim
  +
  
  The Launch
  September 27-28, 2025OGP Anaheim
  
  On the Edge
  October 11-12, 2025OGP Anaheim
  
  Invitational
  November 8-9, 2025OGP Anaheim
  +
  
  The Pinnacle
  December 6-7, 2025OGP Ladera
  
  Above the Rim
  January 31-February 1, 2026OGP Ladera
  
  King of the Coast
  March 14-15, 2026OGP Anaheim
  
  The Battle
  April 18-19, 2026OGP Anaheim
  
  Spring Hoopfest
  May 2-3, 2026OGP Anaheim
  
  Extravaganza
  June 6-7, 2026OGP Anaheim
  +
  
  Summer Hustle
  July 18-19, 2026OGP Ladera
  
  Summer Showdown
  August 15-16, 2026OGP Anaheim
  +
  
  NorCal
  
  King of the Town
  September 13-14, 2025OGP Oakland
  
  Bay Breeze
  October 4-5, 2025OGP Oakland
  +
  
  Rumble in the Town
  November 8-9, 2025OGP Oakland
  +
  
  Holiday Classic
  December 6-7, 2025OGP Oakland
  
  New Year’s Bash
  January 10-11, 2026OGP Oakland
  
  Battle at the Bay
  February 14-16, 2026OGP Oakland
  
  Golden Gate Classic
  February 28-March 1, 2026OGP Oakland
  
  The Mayhem
  March 14-15, 2026OGP Oakland
  
  NorCal Clash
  April 25-26, 2026OGP Oakland
  
  Sactown Swish
  May 30-31, 2026Roebbelen Center
  
  Gold Rush
  June 6-7, 2026OGP Oakland
  
  Summer Slam
  July 25-26, 2026OGP Oakland
  
  The Crown
  August 8-9, 2026OGP Oakland
  
  Inland Empire
  
  Back to School Takeoff East
  August 9-10, 2025OGP Anaheim
  
  In the Zone
  September 20-21, 2025The Draft Sports Complex
  
  Underground Classic
  June 20-21, 2026The Draft Sports Complex
  
  July 11-12, 2026The Draft Sports Complex
  
  Los Angeles
  
  Valley Vengeance
  December 6-7, 2025Sports Academy
  
  Battle in the Valley
  June 20-21, 2026Sports Academy
  
  San Diego
  
  America’s Finest
  December 13-14, 2025San Diego City College
  +
  
  Beach Blast
  June 20-21, 2026Mira Costa College
  +
  
  SD Havoc
  August 15-16, 2026TBD
  
  New Year’s Hoopfest
  January 9-10, 2027San Diego City College
  
  Spring Open
  April 10-11, 2027Mira Costa College
  +
  
  Arizona
  
  Stampede
  September 20-21, 2025Millennium High School
  
  Buzzer Beater
  January 31-February 1, 2026Millennium High School
  
  Canyon Clash
  March 21-22, 2026Millenium High School
  
  Dance in the Desert
  June 6-7, 2026ASC Avondale
  
  The Rise
  August 8-9, 2026TBD
  
  Washington
  
  Spring Showers
  March 7-8, 2026Auburn Fieldhouse
  
  Evergreen
  April 18-19, 2026Auburn High School
  
  Jet City
  June 20-21, 2026Auburn Fieldhouse
  
  Sea-Town Slam
  August 1-2, 2026Auburn Fieldhouse
  
  Las Vegas
  
  Vegas Marquee
  July 17-19, 2026Las Vegas Convention Center
  
  Texas
  
  Monster Ball
  October 25-26, 2025Trinity Springs Middle School
  
  Holiday Hoops
  December 6-7, 2025Impact Center
  
  MLK Elite Showdown
  January 17-19, 2026University of Texas at Arlington
  
  Best of Texas Showdown
  March 7-8, 2026Impact Center
  
  Texas Jamboree
  April 11-12, 2026Duncanville Recreation Center
  
  Cinco De Madness
  May 2-3, 2026Round Rock Sports Center
  
  King of the South
  May 30-31, 2026Impact Center
  
  Dallas Skyline Classic
  June 20-21, 2026University of Texas at Arlington
Calendar

Array
(
)

G365 Underground Classic 2026

G365 Underground Classic 2026

Host:	Grassroots 365
Date:	June 20 - 21
Location:	The Draft Sports Complex (Corona, CA)
Social:

View Schedule

Follow Us

Calendar
Rankings
Profiles
Events
Awards
Terms

All Rights Reserved | © 2026 Grassroots 365 ™ | Privacy Policy