Lise's heartrate has risen to 187! And she's only doing 7 mph! That tells you how intense this mild headwind is on a perfectly flat surface!
These people are amazing.
LOL - too funny.
The most effective way to do it, is to do it.
Amelia Earhart
2005 Trek 5000 road/Avocet 02 40W
2006 Colnago C50 road/SSM Atola
2005 SC Juliana SL mtb/WTB Laser V