You’ve seen the lab tests before. Treadmills, blood draws every few minutes, gas masks measuring your every breath. The promise is tantalizing: precise lactate thresholds that unlock your optimal training zones and help you run faster without working harder. The price tag? Often $200-500 per test, plus the hassle of scheduling and traveling to specialized […] The post Lactate Testing: 4 Research-Backed Home Methods first appeared on Runners Connect.