The Malibu Triathlon — a high-profile event scheduled for Sept. 30-Oct. 1 that in years past has hosted the likes of Matthew McConaughey, Jennifer Lopez, Zac Efron, Max Greenfield and Mark Feuerstein — is in danger of being scrapped before it starts.
Organizers recently sent out an email blast to competitors alerting them to a change in the bike course due to a unique reason. Heavy rains in the Los Angeles area flooded the Zuma Underpass, called a “key part” of…