Ron mentioned this event today at the Nicoles Trail day, and I found this notice on Craigslist.

OPEN For Ages 8-16 EVENT IS FREE -------------JULY 4, 2009 

MOUNTAIN AIR WALK PARK -- ACROSS FROM BARNET MARINE PARK in BURNABY ON BARNET HIGHWAY 
Register at  
Come out with your Mountain Bike and kids and have some fun. 
Lunch will be provided. 

Safety Training 
Maintenance 
Skills Training 

Certified Coaches 
Certified Bike Mechanics 
Safety Orientation by 
Experienced Riders 

Sponsored by the Burnaby Optimist Club 
CAPS Bikes 
Burnaby Mountain Biking Association