Not sure if this is the one you are referring to steve, but:
http://www.contracostatimes.com/news/ci_15344119?source=rss
Oakland bicyclist killed in Tilden park crash
<!--subtitle--><!--byline-->Bay City News Service
<!--date-->Posted: 06/21/2010 12:12:22 PM PDT
<!--secondary date-->Updated: 06/21/2010 12:24:38 PM PDT
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A 40-year-old Oakland man was killed while riding his bicycle in Tilden Regional Park on Saturday, East Bay Regional Park District police said.
William Flint II was riding downhill on South Park Drive near the Grizzly picnic area at about 2 p.m. when his bicycle drifted into oncoming traffic, police said.
He crashed into the side of a 2003 Ford Expedition sport utility vehicle.
The driver of the SUV, with help from an on-duty park employee, rendered aid while they waited for paramedics to arrive.
Flint was taken by helicopter to John Muir Medical Center in Walnut Creek, where he was pronounced dead, police said