the second annual chicago river swim is happening september 20th! 🏊‍♀️ 🏙️hundreds of athletes will swim through the main branch of the chicago river, with 1 mile & 2 mile courses 🛥️the river will be closed to boat traffic during the event, with more than 100 safety personnel monitoring the course 🤍the event raises money for ALS research and youth swimming safety programs 📅september 20, 2026 ⏰7 am swim start 📍chicago river, between wolf point & state street bridge #explorechicago #chicagoriverswim