Saturday, March 20, 2010 Trout Derby at Mojave Narrows Regional Park. Click here for details. Saturday, March 27, 2010 Family Fun & 5K Day Click here for details. Saturday, April 03, 2010 Rubber Duck Derby at Lake Gregory Click here for details. Saturday, April 10, 2010 Trout Derby at Glen Helen Regional Park. Click here for details. Sunday, April 18, 2010 JDRF Car Show at Cucamonga-Guasti Regional Park Click here for details. Saturday, May 01, 2010 Kickball Tournament at Glen Helen Regional Park Click here for details.   RSS - Upcoming Events