Marathon Split Times Calculator
한국어Enter your goal time. Get the clock time to hit at every marker, plus each split.
Enter a goal time. Your split chart shows up right below.
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Sources: World Athletics, Technical Rules 2026 Edition, Rule 55 Road Races, World Athletics, Half Marathon discipline page, NIST Handbook 44 (2026), Appendix C, units of length (checked 2026-09-24)