6176 2026 SMOC Island Lake 2026-05-17 12:00:00-04:00 2026-05-17T16:00:00.000Z 2026-05-17 15:00:00-04:00 2026-05-17T19:00:00.000Z Local 87 Southern Michigan Orienteering Club SMOC 81 Club https://smoc-runs.com/ https://smoc-runs.com/events/view/6176