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What's New in 0to42K
1.3
October 15, 2026
Name a time. Get the plan. • Goal-pace plans — pick any distance from 800m to the marathon, tell 0to42K how fast you want to run it, and it builds the whole plan around that: every training pace, every session, week by week, right up to a final goal attempt • Your reps are measured in metres, not minutes — a 400m rep is 400m whether you hit the pace or not, and you'll hear about it if you drift off target mid-rep • Honest about your goal — if the time you've picked is a big jump from your recent runs, the app says so and suggests a longer build. It still makes the plan you asked for • Recovery now looks at heart rate variability, measured against your own baseline rather than someone else's average • Heart rate zones can come straight from Apple Health, so 0to42K and the Fitness app finally agree • Start a run on your iPhone and your Apple Watch now starts recording straight away, even if the watch app isn't open — with its clock and intervals in step with the phone • Run indoors from your watch: a new Indoor switch tracks treadmill runs without GPS • Rating your effort on the watch is now optional — skip it and nothing is logged to Apple Health • Race course climbs reach your watch as soon as you add a course, and stay there all race day • Steadier Apple Watch sync — a run tracked on both watch and phone saves the same time and distance whichever syncs first, a deleted run stays deleted, and a pause from an earlier run can no longer land on your next one • Reset Training Plan now restarts your plan from week 1 instead of clearing it — your next workout stays on the Today screen and new runs count toward the plan again • The app icon now fills the whole tile, with no border around it As always: no subscription, no ads. Every feature included.
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