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NJDA Clients, our family next door is having an amazing Biggest Loser event. Don't miss out!! ... See MoreSee Less

💥💥💥Please Share💥💥💥 The 5th Annual Biggest Loser Challenge is open and BIGGER than ever! • As always enjoy 10% off any personal training package • Preorder New Tenacity t-shir...

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12U pitcher v 11U hitter ... See MoreSee Less

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The Complete Athlete

Equipped with over 10 hitting cages, 7,500 square foot open field astro turf sports training area, and 2,500 square foot weight training and performance area, the Academy is focused on the development of the complete athlete.

Open to All

New Jersey Diamond Academy welcomes all local sports teams to rent space for practices, trainings, events and fundraisers. Special rates and discounts apply to all organizations and community athletic associations.

Train Safe

Our training programs are specifically designed and overseen by certified sports performance instructors from Tenacity Fitness. Tenacity’s training team specializes in strength and agility protocols designed specifically for whatever sport your athlete participates in as well as nutrition planning to optimize their results.