The Run for Jo was set up a year after the MP was killed on her way to a constituency surgery in Birstall.
Fifteen men are given prison sentences of between eight and 17 years for the attacks in Bradford.
Sandra Major and Fazila Aswat were Cox's assistants at the time and said her legacy lives on.
Spen Valley MP Kim Leadbeater reflects a decade after her sister was murdered in Birstall.
Two men are still wanted over the incident in which victim, 23, nearly lost his leg.
The offences against three girls, one aged 12, took place between 1995 and 2003, a court hears.
Michael Doherty will spend at least 33 years in prison for strangling Courtney Angus.
Nicholas Wood, 38, and Jasmine Briggs, 23, are accused of a knife attack in Ladbrokes in April.