Ballpark — October 10, 2026

Answers to that day's 5 daily estimation questions.

Length of an Olympic swimming lap

50 meters

A "lap" usually refers to one length.

Number of teams in Major League Baseball

30 teams

15 teams in each league.

Tennis balls used during the Wimbledon tournament

55,000 balls

New balls are provided every few games.

Number of dimples on a standard golf ball

336 dimples

Most balls have between 300 and 500.

Total frames in a classic 90-minute animated film

130,000 frames

Standard film is 24 frames per second.