This is an indispensable tool for any running coach or competitive runner. The Williams Pace Calculator was developed by Bob Williams, a Bill Bowerman protege' and All-American steeplechaser. You no longer have to try make complex training or running pace calculations in your head. You can determine your exact training or running pace using this sturdy and compact sliderule calculator. The Williams Pace Calculator has two sides. The "track" side has four scales that match times and distances from 100 meters to 10 kilometers, with time increments as tight as 2/10th of a second. A lap time is combined with each 400 meter split to facilitate quick pace updates. A metric coversion scale makes it easy for runners training on a 440 yard track.

The "road" side matches times and distances from 10K to 42K, divided into mile and 5K splits. Another scale registers a runner's mile pace from 4:30 to 10:00.

The Williams Pace Calculator measures a compact 3.5" x 10" making it easy to carry. It's sturdy construction will last through may miles of training in all types of weather.

"I am currently coaching over 50 athletes. The Williams Pace Calculator makes determining the proper training pace for my athletes a breeze. Instead of wasting time do time calculations the hard way, I use the Williams Pace Calculator to get accurate paces in just seconds. It has also made my personal training much easier and more accurate". - Running Planet President and Head Coach Rick Morris.

"It has to be one of the most valuable tools any coach or serious runner can have." - Bill Bowerman

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