Story · Swim
Hatchling's swim
10 km
A turtle's first day at sea, from the beach out.
Swim 10 km. About as far as a tracked hatchling swam on its first day.
- It stands on
- Cadets' eight, Thames at 14

What it takes
Before you go.
- Recommended first
- Thames at 14
- Weekly distance
- About 10 km of swimming a week on average over 6 weeks
- Long swim
- 3.2 km, at least once in the last 6 weeks. Finishing Thames at 14 counts
- Taper
- An easier week before the event week
The story
Loggerhead turtle hatchlings weigh about 20 g. On their first day at sea they swim for hours without stopping. Tracked hatchlings went about 9.5 km in five hours, and up to 15 km. Source: Scott et al. 2014, Proceedings of the Royal Society B.
The ladder
- Ice mile/
- Swim to Antarctica/
- Between the monsters/
- Across the Cold War/
- Hellespont/
- Plum Pudding/
- Grettir's swim/
- Cadets' eight/
- Thames at 14/
- Hatchling's swim