50K/50mi Race: Marin Ultra Challenge - SFTrailRunners group

For those of you interested in running the awesome more in ultra challenge 50 K or 50 mile race in March, this meet up event is a placeholder so we can have a group of SF Trail Runners who can coordinate or share training runs and info or other logistics. To sign up for the event, use the link below. * Note we are not an organizer for the event, this is just for coordinating between runners Interested in running 

https://ultrasignup.com/register.aspx?did=128452