MPF, or Mean Percent Finish in individual challenges, is a simple measurement of individual challenge proficiency. Someone with a 100% MPF has finished first in every individual challenge in which they've competed. Finishing in the middle of the pack every time will net you a score around 50%. And so on down from there.

While simply totalling challenge wins is a handy shortcut, we feel this is a more comprehensive measurement of challenge success. Maybe someone is good at standing still, or holding balls aloft, but can't solve a puzzle to save their life. That may be hidden when comparing challenge performance by simply adding up challenges won, or even calculating challenge win percentage. In contrast, MPF also includes the challenges the contestant didn't win. So there may be a few surprises. For a US Survivor example, despite Kelly Wiglesworth memorably ending S1: Borneo with a five-challenge win streak, that performance is only the 61st-best overall (!), because she under-performed in several early post-merge challenges (she still makes the career leaderboard, though). We've added MPF totals to all the single-season scoring data, so if you don't see someone you expect here, check that season's complete scores.

Single-season data summary: Over the first 12 seasons, there have been 127 contestants who appeared in four or more individual challenges in a season. Of those, the average MPF score is 57.1%, and the standard deviation is 16.1%. There have been 19 contestants with an MPF at least one SD above the mean (greater than 73.2%), who would be strong performers. Conversely, there have been just 14 contestants whose MPF has been lower than one SD below the mean (less than 41.0%), mainly because it's difficult to get a really low MPF.)

• MPF: Mean % finish - mean of all % finishes in individual challenges. Essentially how close the contestant comes to winning any random challenge (100% is a win; 1/[# of participants] is last place).
• ChA: Challenge Appearances. The number of challenges in which they competed.