“Mary”...

As many rounds as possible in 20 minutes:

5 Handstand Push Ups
10 Single-Legged Sqauts 
15 Pull Ups

7 rounds plus 6 reps

(Scaled Pistols to holding handle on GHD)

Mary is one of the CrossFit benchmark “Girl” WODs (because of the name, not because they are designed for women). The workout first appeared on the site 30 October 2004, but did not appear as a named workout until 19 January 2005.