Training
Zone 2 Running: Check Which Zones You Mean
Zone 2 means different things across training systems. Learn how to read your running plan, use conversation as a check, and avoid chasing a watch's zone label.
Faster miles · Fewer setbacks
Run faster without breaking yourself.
Evidence-led training, injury-proofing, recovery, and honest gear analysis for ambitious amateur road runners.
Editorial performance for the road ahead
Start here
The week’s essential reads
Practical decisions first: how to pace the work, manage warning signs, and buy with evidence.
Injury-Proofing
Black Toenails After Running: Check Shoe Fit
Training
How to Choose Your First Marathon
From the desk
Four lanes. One steady approach.
Build the engine
Training
Sessions, pacing, fueling, and planning for road runners chasing a stronger PR.
Manage the loadInjury-Proofing
Cautious, evidence-aware guidance for making better decisions around common running pain.
Absorb the workRecovery
Sleep, readiness, and recovery decisions that protect the next useful session.
Buy with evidenceGear
Data-based buying analysis with clear evidence labels and no invented hands-on testing.
Practical utility
Calculators for training decisions
Calculator
Pace Calculator
Solve pace, finish time, or distance for any run or race — miles or kilometers, with a 5K-to-marathon preset list.
Open the pace calculatorCalculator
Karvonen Heart Rate Calculator
Estimate target heart rate from age, resting heart rate, and workout intensity with the heart-rate-reserve method.
Open the heart rate calculatorCalculator
Tinman-Style Training Pace Calculator
Turn a recent race result into VDOT, easy and tempo ranges, mile and kilometer splits, and equivalent race times.
Open the training pace calculatorLatest
Useful before impressive
Training
Interval Recovery: Should You Jog, Walk, or Rest?
Choose recovery between running intervals by the workout's purpose. Learn when jogging, walking, or rest fits, and how to spot a session that needs adjusting.
News
Boston Half 2026: Durgin and Kiptoo Join Field
Boston Half announces its November 8 professional field, including Emily Durgin, Wesley Kiptoo, Sydney Vaught and returning wheelchair champions.
Training
Downhill Running: Prepare Your Legs for Race Day
Downhill running can feel aerobically easy while loading your legs. Learn how to introduce descents gradually before a hilly road race.
Gear
ASICS Novablast 6 vs. 5: Is the Upgrade Worth It?
Compare the verified U.S. Novablast 6 specifications with the 5, and decide whether the new forefoot design solves a real training need.
Gear
Brooks Glycerin 23: Specs, Price, and Fit
A source-backed look at the Glycerin 23's U.S. price, weight, drop, cushioning and fit questions before you choose an everyday road shoe.
Training
Running and Strength Training for Heart Health
Why runners should keep two strength days in the week, what mortality studies can and cannot tell us, and how to fit lifting around road training.