In SwimRun Hydra 2021 we will have two distances:

- Initiation to SwimRun 9,4 (Swim 0,6k | Run 4k | Swim 0,9k | Run 3,9k)

- Core Distance SwimRun 23,6 (Swim 1,5k | Run 5,5k | Swim 1,7k | Run 7,8k | Swim 2,6k | Run 4,5k).

- Advnaced distance SwimRun 42k