Story · Swim

Cadets' eight

8 km

The sea swim every first-year cadet takes on.

Swim 8 km. The distance the cadets swim.

It stands on
Grettir's swim

What it takes

Before you go.

Recommended first
Grettir's swim
Weekly distance
About 8 km of swimming a week on average over 6 weeks
Long swim
3.2 km, at least once in the last 6 weeks. Finishing Grettir's swim counts
Taper
An easier week before the event week

The story

Every summer the first-year cadets of Japan's National Defense Academy swim 8 km in the sea off Hashirimizu. About 340 of them did it in 2024. It takes around five hours. Source: National Defense Academy of Japan.

The ladder

  1. Ice mile
  2. Swim to Antarctica
  3. Between the monsters
  4. Across the Cold War
  5. Hellespont
  6. Plum Pudding
  7. Grettir's swim
  8. Cadets' eight