SortStack #3032 — 2034-09-27

By speed · Order from slowest to fastest.

  1. An Olympic swimmer at full speed 9.3 km/h

    Top swimmers shave their bodies to cut drag, trimming fractions of a second that can decide a gold medal.

  2. A gray squirrel 19.5 km/h

    Squirrels plant thousands of trees by accident, forgetting where they buried many of the nuts they hid.

  3. A running reindeer 80 km/h

    Reindeer eyes change colour with the seasons, turning blue in winter to see better in the dim Arctic light.

  4. A swordfish 102 km/h

    A swordfish has special organs that heat its eyes and brain, sharpening its vision in cold, deep water.

  5. A cheetah at full sprint 120 km/h

    A cheetah can go from a standstill to highway speed faster than most sports cars, but only for a few seconds.

  6. The motorcycle land-speed record 640 km/h

    Streamlined record bikes look like rockets on wheels, with the rider lying flat inside a sealed shell.

← All puzzles · Play today’s SortStack