https://pace-notes.pages.dev/Running pace calculator, race time predictor, even and negative split tables and treadmill pace conversion, built on exact race distances.en-US https://pace-notes.pages.dev/articles/treadmill-pace-conversion-chart/https://pace-notes.pages.dev/articles/treadmill-pace-conversion-chart/Wed, 21 Oct 2026 12:00:00 GMTConvert treadmill speed from 4 to 12 mph into pace per mile, km/h and pace per km, with the speed to set for common paces and the 1% incline rule. https://pace-notes.pages.dev/articles/negative-splits-strategy/https://pace-notes.pages.dev/articles/negative-splits-strategy/Tue, 20 Oct 2026 12:00:00 GMTWhat a negative split is, how big the gap should be, and mile-by-mile tables for a 4:00 marathon and a 25:00 5K, computed with exact race distances. https://pace-notes.pages.dev/articles/riegel-formula-race-time-prediction/https://pace-notes.pages.dev/articles/riegel-formula-race-time-prediction/Mon, 19 Oct 2026 12:00:00 GMTT2 = T1 × (D2/D1)^1.06. How Peter Riegel's race time formula works, worked examples from 5K to marathon, and where its predictions break down. https://pace-notes.pages.dev/articles/5k-pace-chart/https://pace-notes.pages.dev/articles/5k-pace-chart/Sun, 18 Oct 2026 12:00:00 GMTPace per mile and per km for 5K goals from 18:00 to 40:00, with mile-by-mile splits and a simple plan for pacing your first or fastest 5K. https://pace-notes.pages.dev/articles/marathon-pace-chart/https://pace-notes.pages.dev/articles/marathon-pace-chart/Sat, 17 Oct 2026 12:00:00 GMTPace per mile and per km for the classic marathon goals, plus the clock you should see at 5K, 10K, halfway, 30K and 20 miles. https://pace-notes.pages.dev/articles/how-to-calculate-running-pace/https://pace-notes.pages.dev/articles/how-to-calculate-running-pace/Fri, 16 Oct 2026 12:00:00 GMTPace is time divided by distance. Here is the formula, three worked examples, the mile-to-km conversion and the exact race distances to use.