Competitor Group hosts San Diego’s annual Rock ’n’ Roll Marathon. The marathon series is being held in 13 other cities across the country this year.

Competitor Group hosts San Diego’s annual Rock ’n’ Roll Marathon. The marathon series is being held in 13 other cities across the country this year.

Peter Englehart and his team at Competitor Group Inc...

Andrea Siedsma is a freelance writer for the Business Journal.

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