If you loved Naruto OVA 9: Chunin Exam on Fire! and Naruto vs. Konohamaru!, try Naruto OVA 3: Hidden Leaf Village Grand Sports Festival!
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Naruto OVA 9: Chunin Exam on Fire! and Naruto vs. Konohamaru!
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Naruto OVA 3: Hidden Leaf Village Grand Sports Festival!
What they share
Both films are directed by Hayato Date, and they both carry the playful mood tag, and they sit in Action / Animation territory. If that's the register that drew you to Naruto OVA 9: Chunin Exam on Fire! and Naruto vs. Konohamaru!, the second film will land in a comparable space — through a different lens.
playful
What Naruto OVA 3: Hidden Leaf Village Grand Sports Festival! is
Trying to corral rowdy kids into something resembling sportsmanship. Naruto spends the festival either running from his own digestive disasters or toward the finish line, whichever comes first. The one predictable thing? Someone will end up stuck in a giant pudding.