This week was a mix of happy news and frustrating days. Here’s the two sides:
Lighter is Faster
It’s just a fact. Hold a 10 pound bag of flour and run a mile. Now, run a mile without the bag. Faster? Obviously. Same applies to body weight. The conventional wisdom is that a pound of body weight lost equals about a 2 second per mile gain in running pace. This assumes that there isn’t excessive, unhealthy weight loss or loss of lean muscle mass.
In addition to all the running in my marathon training, four weeks ago I added in a 1 hour strength training session 3 times a week with a personal trainer at my gym. Coming back from a baby to do my first marathon in just 8 months is no small matter, and I thought the added muscle strength would be such a big help!
I begged the trainer to do a body fat check on me Saturday so I could see if there was any progress. I kinda felt like I looked a little better but wasn’t seeing any huge changes and my clothes didn’t really fit differently.
So trainer Jeff pulls out the calipers and measures in 7 different places. He crunches the numbers… 4 weeks before I was at 30.9% body fat. Now? 25.8% body fat! In 4 weeks of really hard work, I had lost 5% body fat. I had also lost 8 pounds overall, which breaks down to about 12 pounds of fat lost and a 4 pound gain in blood volume and lean muscle!
Hotter is Slower
In North Texas we’ve now had about a week of high temperatures above 100 degrees. Yes, we know it gets hot in Texas. But weathermen […]