2025 15U - 18U Open Gyms
Playing age is determined based on the table at the bottom of the page.

Summer Open Gym Schedule (15U-18U)
Open gyms are a FREE way to check out TNT. There is no TNT fee to participate in an open gym. (Fine Print....you do need to purchase an AAU Youth Athlete membership good until August, 2025...so sorry).
Please Note: AAU membership is required for insurance reasons. AAU Memberships from last year expired on August, 31. Unless you purchased a new one in the past 3 weeks, you need to purchase a new AAU membership. Please associate membership with Club Code W34DED.
To obtain an AAU membership click here. Choose "Youth Athlete Membership", "Regular". AAU membership runs from 8/31/2025-8/31/2026.
All Open gym events to be held at the TNT Armory located at 417 Caredean Drive, Horsham, PA.
TNT...where more available gym time means more play time for the athletes!
15U Open Gyms
Sunday, June 29 - 4-6pm (All levels) - Armory
Monday, July 7 - 6pm-7:30pm (Travel) & 8-9:30pm (National & Platinum) - Armory
Sunday, July 13 - 2-3:30pm (National & Platinum) 4-5:30pm (Travel) - Armory
Wednesday, July 16 - 6pm-7:30pm (Travel) & 8-9:30pm (National & Platinum) - Armory
16U Open Gyms
Sunday, June 29 - 6-8pm - Armory
Wednesday, July 9 - 6pm-7:30pm (Travel) & 8-9:30pm (National & Platinum) - Armory
Sunday, July 13 - 6pm-8pm - Armory
17/18U Open Gyms
Sunday, July 13 - 8pm-930pm - Armory
Tuesday, July 15 - 6pm-7:30pm - Armory
INSIDER TIP! Check out the the TNT Volleyball Podcast - Bump. Set. Mic to learn all about how tryouts work at TNT.
Ep 6 How to Stand out and What are Coaches are looking for?
Ep 17 How Teams Are Made - Dealing With the Stress of Tryouts

FAQ
Is it Mandatory to attend open gyms before tryouts? Mandatory? No. Strongly encouraged? Absolutely! At TNT, we pride ourselves on offering fair tryouts where all players have a chance to make all teams. If you are new to TNT, and no TNT coaches know you, it is STRONGLY recommended to attend multiple Open Gym events to get to know the coaches and have them get to know you. The easiest way to get overlooked at tryouts is to never have been seen by a coach or the club. Trust us...it helps.
Where are Open Gyms held? All Open gym events to be held at the TNT Armory located at 417 Caredean Drive, Horsham, PA.
2025-26 USA Volleyball Age Definitions
2025 - 2026 USAV Age Guidelines |
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| 18U (1) | 18U (2) | 17U | 16U | 15U | 14U | 13U | 12U | 11U | 10U |
July | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
August | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
September | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
October | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
November | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
December | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
January | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
February | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
March | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
April | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
May | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
June | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 |
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1 Players who were born on or after July 1, 2006 and a high school student in the twelfth (12th) grade or below during some part of the current academic year are eligible to compete in 18 & under. |
2 Female Only - Players who were born on or after July 1, 2007, (who are defined as 18 & under by the USAV Age Definition) and are in the 11th grade for the current academic year are waivered to compete in 17 & under. (This age waiver is based on recruiting concerns for 11th grade girls previously required to participate in girls 18’s qualifiers and the 18’s GJNC.) |
How to Register for Open Gym or Tryouts:
Login to My Account or create a new account if you have not registered before (top right webpage). You will need to enter information about your child such as name, address, date of birth.
Once in My Account, you should see Available Programs (if not click on Registration Info Tab).
Tryouts
Tryouts