January 28th: Matt Centrowitz, Jenny Simpson, Emma Coburn & Brenda Martinez Confirmed For Boston New Balance Indoor Grand Prix 2017 New Balance Indoor Grand Prix View LetsRun.com Event Coverage Press Release December 16, 2016 Download (PDF, 286KB) Article continues below player Like this article? Subscribe to our newsletter or follow us on social media The latest running news, sent to your inbox weekly or when urgent news breaks. You have been subscribed. Subscribe Twitter Facebook Instagram Tags: Brenda Martinez , Matt Centrowitz , Emma Coburn , PV , Ekaterini Stefandidi , Jenn Suhur , Jenny Simpspon Filed Under: Professional , Jumps , Women's Running , Men's Running , Distance , Mid-Distance