Mermaid Run San Francisco (Sirena10 Mile, 10k, 5k)
Mermaid Series • San Francisco, CA
Running [5K, 10K]
Online registration ends in 5 days!
Welcome to your ultimate running resource. Whether it's your first 5K or you're trying to PR a marathon, we'll help you do it. Find running tips and training articles written by our experts and then sign up for your next race.
Running Articles & Advice
There’s a growing trend of older distance runners who continue to find remarkable success even when science says they should be slowing down.
By Danny WoodwardIf you run 10 miles and don’t post it on Facebook, did it really happen?
By Jennifer FoxMost college campuses are great for running, but these are the very best.
By ACTIVE.comDuring intense summer training sessions, stock up on these water-rich foods. They'll not only keep you hydrated, they'll also fuel your body with plen
This enjoyable, easy interval workout can make runner’s of any level both fitter and faster.
By Rashelle BrownEvery meal and snack can be vital to keeping your energy levels replenished throughout the day.
By Joan KhalafIt’s the most wonderful time of the year and there’s only one way to celebrate: With a holiday race, obviously.
By Kolby PaxtonCoach Begley takes the culmination of her life’s work and shares her world-class tips to help runners be their very best on race day.
By Jennifer Fox