1. The Holliston-based Waushakum Live Steamers, a non-profit that runs miniature steam powered locomotive trains, will have free rides for people on Friday and Saturday. See the announcement for more details.
2. The inaugural Evan Girardi 5K will step off on Sept. 7 in Hopkinton. The road race will raise money for the Boston Cardiac Foundation, which sends doctors to poor, developing countries to implant life-saving pacemakers in patients who otherwise couldn't afford them.