vRinse ‘N’ Repeat(ish) / Every 2 minutes for as long as possible:
50-yard swim
8 burpees*
*Add 2 burpees each round until you cannot complete the reps within the 2-minute interval.
If you cannot get to a pool, lake, or other water source, sub for a run of similar length.
Post rounds and reps completed to comments.
Scaling:
The first few rounds should be achievable, so if necessary reduce the swim length or start with a lower number of burpees.
Intermediate Option / Every 2 minutes for as long as possible:
50-yard swim
2 burpees*
*Add 2 burpees each round until you cannot complete the reps within the 2-minute interval.
Beginner Option / Every 2 minutes for as long as possible:
25-yard swim
1 burpee*
*Add 1 burpee each round until you cannot complete the reps within the 2-minute interval.