Half Marathon Under the Lines
Trail Running covering 21 km in Solec Kujawski (Kuyavian-Pomeranian Voivodeship, Poland)
Half Marathon Under the Lines is an endurance sporting event in Solec Kujawski, Kuyavian-Pomeranian Voivodeship, PL focused on Trail Running. Key features include Forest, Nature & Off-Road, Seaside & Coast.
The competition program features Półmaraton pod Liniami (21 km, +546 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (b4sportonline.pl).

Event characteristics
Races & distances (1)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Półmaraton pod Liniami | Trail Running | 21 km | +546 m | 8 m - 237 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 8 m to 237 m above sea level (+546 m D+, -546 m D-)
Frequently asked questions (FAQ)
When and where does Half Marathon Under the Lines take place?
Half Marathon Under the Lines takes place in Solec Kujawski, Kuyavian-Pomeranian Voivodeship, PL (start area at coordinates 53.0837° N, 18.2257° E). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at Half Marathon Under the Lines?
The competition program features Półmaraton pod Liniami (21 km, +546 m D+). The competitions belong to Trail Running.
What is the course layout and elevation profile for Half Marathon Under the Lines?
The main competition (Półmaraton pod Liniami over 21 km) is designed as a loop course featuring +546 m of elevation gain and -546 m of elevation loss, ranging between 8 m and 237 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for Half Marathon Under the Lines?
Official race regulations, course details, and registration information are provided on the organizer's website (b4sportonline.pl).