Join the Seashore Striders for one of our longest running events at the shore- the 32nd Masser 5 Miler. Kicking off the popular Seashore Strider Championship Series of '25, this year's Masser 5 miler will be a 'live" event. The Masser 5 miler is named after one of the founders of the Summer Championship Series, the Late Dr.