303 Maraton Antoniego Fili

The 303 Antoni Fili Marathon is a marathon race held in Sztum, Mazowieckie, Poland, scheduled for August 15, 2026. Participants have access to a professionally prepared training plan tailored to various skill levels, helping them optimally prepare for the start. The event is an excellent opportunity for runners wishing to challenge themselves with a marathon distance in a picturesque setting. Organizers provide expert support and the possibility to use a platform for managing race information.

Training plans are available from 8 to 20 weeks, tailored to the runner's VDOT level, with detailed instructions and expert support. Organizers encourage the use of a platform to manage the race profile and marketing collaboration, which helps increase reach and professionally manage event information. The event also includes other local races, such as the Sztumski Bieg Solidarności. Details regarding registration and participation are available on the organizer's website.