Anna Marie Jarviswas the founder of the Mother's Day holiday in the United States... (wikipedia)
The largest challenge is just getting out the door on time and coming back in. The tasks themselves are not overly challenging. So, overall, the biggest challenge will be just executing the overall EVA day timeline.
I really busted my tail in (the 1,600). I got a PR (personal record) by about five seconds. This meet really motivated me.