Elite-level pace and within the top 1% for my age group: It took me 5:55 to walk .60 miles at a pace of 9:51.  I am a 57-year old woman.

Is walking at 5:55 for .60 miles for a 57 year old woman elite and in the 1% for my age group?

Yes, walking 0.60 miles in 5 minutes and 55 seconds (5:55) is an exceptionally fast, elite-level pace for a 57-year-old woman, placing you comfortably within the top 1% or higher for your age group.

--Google AI Overview

Part I: Warm-up exercises: Less than one minute

Part II: Speed: Increase initial speed from 3.0 to 3.9 at .01 miles at each change of speed

Time: 1:42

Distance .10 mi 

Part III: Speed: Increase initial speed from 4.0 to 4.9 at .01 miles at each change of speed 

Time: 1:23

Distance: .10 mi

Part IV: Walk: 1st mile: Initial speed: 5.0

5.1 .45 mi

5.2 .50 mi

5.3 .75 mi

5.4 .85 mi

5.5-5.6 .90 mi

5.6-5.8 .92 mi

5.9-6.1 .94 mi

6.1-6.8 .96 mi

6.8-7.2 .98 mi to end of mile

Time: 11:28 for the 1st walk

I was able to walk through the entire mile without stopping.

Part V: Walked 2x @ 10 minutes each; total walking time: 20 minutes

Part VI: 2nd Walk: .60 mi: Initial speed: 5.9

5.9 .01-.35 mi

6.2 .40-.45 mi

6.3-6.4 .45-.50 mi

6.5-6.8 .50-.55 mi

6.8-7.2 .55-.60 mi

Time: 5:55

Pace: 9:51

I was able to walk through the entire .60 miles without stopping.

Part VII: Jog: .51 mi + .50 mi at a speed of 6.0 on the treadmill 

1st Jog: .51 mi at 5:07 2nd Jog: .50 mi at 5:02

Part VIII: Warm-down exercises: Less than one minute

True Treadmill