Het is 5 mei 1945 en het oproer tegen de gehate Duitse bezetters is in Praag begonnen. De Tsjechische cipiers openen de celdeuren in de Pankrác gevangenis om de gevangenen te laten ontsnappen. Veel van hen worden door de Duitsers doodgeschoten, maar de jonge Ruda weet te ontkomen en hij wordt opgevangen door verzetsman Kytka. Deze verstopt Ruda in een flat waar alleen de jonge Karla nog is en vraagt haar om voor hem te zorgen.
Nee, helaas is Maratón nog niet beschikbaar op Netflix in Nederland.
| Production | Jaroslav Vlk | Unit Production Manager |
| Sound | Zdeněk Liška | Original Music Composer |
| Production | Erich Švabík | Executive Producer |
| Production | Dana Dudová | Unit Production Manager |
| Production | Jan Syrový | Unit Production Manager |
| Writing | Jan Procházka | Creative Producer |
| Writing | Ivo Novák | Screenplay |
| Directing | Luďka Žáková | Assistant Director |
| Camera | Václav Hanuš | Director of Photography |
| Art | Oldřich Okáč | Production Design |
| Costume & Make-Up | Ondrej Brezovský | Costumer |
| Directing | Marta Křesinová | Assistant Director |
| Directing | Tomáš Kulík | First Assistant Director |
| Art | Václav Podhorský | Set Decoration |
| Directing | Ivo Novák | Director |
| Costume & Make-Up | Emilie Fišarová | Costumer |
| Sound | Jaromír Svoboda | Sound |
| Camera | Michal Kulič | Assistant Camera |
| Production | Gustav Rohan | Production Manager |
| Costume & Make-Up | Jiřina Vrbová | Costumer |
| Costume & Make-Up | Věra Kubíková | Costumer |
| Production | Jan Milič | Assistant Production Manager |
| Sound | František Belfín | Conductor |
| Costume & Make-Up | Jan Štětina | Makeup & Hair |
| Editing | Jiřina Lukešová | Editor |
| Writing | Jan Procházka | Story |
| Costume & Make-Up | Jan Kropáček | Costume Design |
| Sound | František Fabián | Sound |
| Production | Milena Andrejsková | Assistant Production Manager |
| Costume & Make-Up | Oldřich Mach | Makeup & Hair |
| Directing | Bohumil Kouba | First Assistant Director |
| Writing | Jan Procházka | Screenplay |
| Art | Miroslav Fára | Set Decoration |
| Costume & Make-Up | František Pilný | Makeup & Hair |
| Art | Karel Škvor | Production Design |
| Camera | Jaroslav Kupšík | Camera Operator |
| Art | Karel Kočí | Set Decoration |