Running a half marathon plan from your phone
Every ranked answer to this question sells hardware. How to execute a published half marathon plan with a phone in your pocket and your splits read aloud.
Running without a watch
Phone only is a permanent setup rather than a budget compromise. These pages cover what the phone actually measures, what it cannot, and where a watch still wins.
Articles in this topic
Measuring running cadence with a phone
Cadence comes from a step sensor, not from GPS, so a phone in your pocket can count it. How the number is produced, how often it updates, and what it hides.
Should heart rate count on a running leaderboard
A board that scores heart rate ranks equipment as much as running. The case for scoring only what every entrant can measure, and what that leaves out.
Which running apps quietly need a watch
Some coaching products only work if you own the hardware. An app by app check of what is gated, degraded or advantaged when you run with a phone alone.
Running with only your phone, and what it covers
A phone records distance, pace, splits, cadence and route on its own. What that setup covers, what it cannot, and why the phrase without a watch is ambiguous.