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MouseAbout Foundation Softball Tournament 2026

  • May 27, 2025
  • 1 min read

Updated: 5 hours ago

Time & Location

Aug 15, 2026, 8:00 AM – Aug 15, 2026, 2:00 PM

Cle Elum, 321 South Cle Elum Way



A close up of a softball mitt holding a softball. The softball is dirty and scuffed.

About the Event

The MouseAbout Softball Tournament is more than just a competition it is a community driven effort to support those battling financial hardships due to cancer treatment. Since its inception in 2005 this annual event in Cle Elum, WA has honored the incredible legacy of Eileen "Mouse" Costello an accomplished athlete, devoted mentor, and compassionate advocate.


Join us in August 2026 to celebrate sportsmanship community and the power of giving back. Every game played is a step toward hope.


 
 
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