Weekly volume builders that respect the 10% rule, 5k-to-marathon equivalent pace maths, honest load and rest-day checks, season countdowns, team budgets, shoe-replacement timing and plain-spoken training guides β type your sports question and get a straight answer in seconds, with real numbers you can plan a week around. The full detailed report costs less than a coffee: $2.95.

Before you spend a few hundred dollars on a watch, it is worth asking what problem it solves β because the honest hierarchy of training tech is uncomfortable for the industry: a watch is only as useful as the plan it supports. Pace and distance data help you follow a written plan, but no device makes the plan, and the cheapest upgrade is almost always the plan itself. This guide walks the decision in order: what you actually want the data to tell you, what the phone in your pocket already does for free, when a chest-strap heart-rate monitor beats a wrist watch at a fraction of the price, and the single most common mistake β buying the data without committing to the weekly review that turns it into decisions. The verdict on the page is blunt: buy the shoes or the plan first.
Decide whether a sports watch, heart-rate monitor or app subscription is worth it for you β what the tech genuinely adds to training, what it cannot do, and the honest budget-first answer.
No. Pace, distance and basic heart rate are available from the phone you already own plus a free app. For a beginner the honest purchase order is: good shoes, then a written plan, then β only if the data will change a decision β a watch.
For steady-state training, mostly yes, but a chest strap is more accurate for most people β and cheaper than a watch. If heart-rate data is the main thing you want, compare a strap against a watch before buying either.
Commit to a ten-minute weekly review before you buy: look at the trends, compare them with the plan, adjust the plan. If you will not do the review, the data is decoration β and after a season, honestly ask whether the data changed any training decision.
Every tool answers instantly from our own knowledge and calculators β no AI wait, no account. Honest maths and plain guidance, always educational and never medical: training is a long game of consistent, sensible weeks, and these tools exist to keep your plan realistic and your body in one piece β not to sell you a miracle programme. Results are estimates and reflections, not diagnoses or prescriptions, and nothing you type is stored. Want the deeper, personalised version? Each has a $2.95 full report.