EnduroLab
Your Marathon Plan,
Science-Backed
A performance training engine for serious amateur marathoners. Generate a personalized, week-by-week plan built around your fitness, your schedule, and your goal race time — with pace zones, progression curves, and calendar export.
Generic Plans Are Too Blunt
Most marathon plans treat every runner the same. They hand you a fixed mileage table and hope it fits your life, your fitness, and your race goal. The result? Either you're undertrained and flat on race day, or you're overreaching and injured before the peak phase.
EnduroLab is different. It is a performance training engine designed for serious amateur marathoners who want more than a PDF calendar. We calculate your pace zones from real data, structure every workout around proven physiology, and build a progression curve that matches your available days and current fitness level.
Three Pillars of the Plan
Every EnduroLab plan is built around three evidence-based training pillars.
Threshold Development
Your lactate threshold is the single best predictor of marathon performance. EnduroLab schedules threshold intervals and tempo runs at the right intensity and frequency to push that ceiling higher — without burning you out.
Marathon-Specific Durability
Speed means nothing if your body can't handle 26.2 miles. Long runs and progression runs are structured to condition your tendons, muscles, and fuel systems for the specific demands of marathon distance.
High-Mileage Progression
Aerobic capacity grows with volume — but only if that volume increases intelligently. EnduroLab builds your weekly mileage using a safe progression curve with built-in recovery weeks, so you peak at the right time.
How It Works
Tell Us Your Goals
Enter your target marathon time, race date, current mileage, and available training days.
We Calculate Your Zones
Using VDOT estimation and Daniels' pace factors, we derive personalized easy, marathon, threshold, and VO2 max pace zones.
Get Your Plan
Receive a complete week-by-week plan with daily workouts, mileage trends, and calendar export.