Based on the latest event calendars, there is no major marathon scheduled on August 18, 2025. Most listed running events take place either the day before (August 17) or a few days afterward, but August 18 itself does not feature a full marathon on prominent race calendars.
- The only event scheduled for August 18, 2025, is the "Tour of Samoa Apia," which is a road cycling race, not a marathon run.
- The marathons happening nearby include America’s Finest City Half Marathon (August 17, San Diego), Sengbach-Talsperrenlauf (August 17, Germany), and several UK races, but these are not held on August 18.
If you are searching specifically for a marathon race occurring today, August 18, 2025, it appears there are no major internationally listed marathons scheduled for this date.
