303 Maraton Antoniego Fili

The 303 Antoni Fili Marathon is a marathon taking place in Sztum, Mazowieckie, Poland, scheduled for August 15, 2026. Participants have access to a professionally prepared training plan tailored to different experience levels to help them prepare optimally for race day. The event is an excellent opportunity for runners looking to take on the marathon distance in picturesque surroundings. The organizers provide expert support and access to a platform for managing race information.

Training plans of 8 to 20 weeks are available, tailored to the runner’s VDOT level and including detailed instructions and expert support. The organizers encourage using the platform to manage the race profile and marketing partnerships, helping increase reach and professionally manage event information. The event also includes other local races, such as the Sztumski Bieg Solidarności. Details about registration and participation are available on the organizer’s website.