23101 TX-242, New Caney TX
Saturday, June 13th, 2026
Big Rivers Waterpark proudly presents... the 2nd Annual Big Rivers Splash & Dash— Benefitting the TANGO2 Research Foundation!
Lace up your sneakers and get ready to make a splash for a cause that hits close to home. Join us Saturday, June 13th 2026 for the Big Rivers Splash & Dash, where every step you take supports critical research and awareness for TANGO2 — a rare genetic disorder that’s personally impacted the Galland family, owners of Big Rivers.
There’s a race for everyone:
The scenic course winds through Big Rivers Waterpark and around our picturesque lake, giving you a unique view of the park. Expect fun, energy, and excitement at every turn — with the added reward of supporting a truly meaningful cause.
The TANGO2 Research Foundation was a lifeline for Megan Galland, who faced her first health crisis at just six months old during a family trip. Initially misdiagnosed, Megan eventually received answers thanks to the tireless work of the TANGO2 Foundation. Now, we’re running to give that same hope to other families.
Become a fundraiser or make a direct donation through our registration site.
Join us for a race that’s more than miles — it’s a movement. Let’s Dash for Discovery, Splash for Support, and Run with Heart.
Register for the Big Rivers Splash & Dash!
#SplashAndDash2025 #RunForTANGO2 #BigRiversWaterpark
Course Map
Suggested Races
Find The Run Newsletter