Bay to Breakers Participant Missing

I received this email today. If you were there on Sunday and saw something, please call the police:

To all participants of Bay to Breakers 2013:
As you may have seen on the local news, Beau Rasmussen disappeared on Sunday, May 19.  He broke away from his group of friends around 12 noon at 30^th and JFK at Golden Gate Park.  Beau was headed to Ocean Beach with intentions to meet back up with his friends.  Beau never returned to the meeting point and a passerby on the beach found his clothing, cell phone, passport later Sunday evening. 
The family is asking for your help with any information of seeing Beau or if you might have any photos or videos with Beau in the background. 

If you have any information, please call the Emeryville Police:  510-596-3700
 A community search will take place on Saturday, May 25 at 9am. 
Information below:
Please arrive between 7:30-8:30 for registration & assignments

Bedford Hall at St. Gabriel School2550 41st Ave  (Corner of Ulloa St and 41st ave)
Questions about the search: 415-926-1304Find.BeauR@gmail.comhttps://www.facebook.com/FindBeauRasmussen