Kentucky Derby Winners by Year, 1875–2026

Fast-Track Times Fell 0.43 Seconds a Decade; an Off Track Adds 3.0 Seconds

Take the 94 runnings since 1896 that were run on an officially fast track and fit a straight line of winning time on year. The line falls 0.43 seconds per decade and explains 51% of the spread between years. The 19 fast-track winners of 1896–1925 averaged 126.41 seconds; the 18 of 2001–2026 averaged 121.87, a gain of 4.54 seconds. Most of it came early: the slope is -1.01 seconds a decade through 1960 and +0.08 since.

An off track costs time on top of that. For each of the 37 runnings on a good, sloppy, muddy, slow or heavy track, the gap between the winning time and the fast-track line for that year was calculated; the average gap is +3.05 seconds. By condition: Good +1.09 s (n=9); Sloppy +2.41 s (n=10); Slow +2.74 s (n=5); Wet Fast (sealed) +2.77 s (n=1); Muddy +3.94 s (n=6); Heavy +6.47 s (n=6). The slowest 1¼-mile Derby is Stone Street's 135.20 in 1908 on a heavy track.

The two-minute mark has been broken by 2 winners: Secretariat 1973, Monarchos 2001. The 21 runnings of 1875–1895 at 1½ miles averaged 159.60 seconds and are shown in the table but left out of the fit, since a longer race is not comparable.

Winning Time by Year, 1896–2026

One dot per running at 1¼ miles; the dashed line is the least-squares trend fitted to the 94 fast-track runnings only. Labels mark the six slowest, 5 of them on off tracks. Hover a dot for the winner and condition.

Every Kentucky Derby Winner, 1875–2026

Times are in seconds; 2:01.25 is shown as 121.25. Distance is the official race distance that year.

Download the full table (CSV) · 152 rows

How the Numbers Were Made

Counting. 152 rows, one per year 1875–2026, with a time and a track condition on every row. Times were converted from m:ss.ss to seconds. Track conditions as recorded: Fast 110, Heavy 8, Good 11, Muddy 7, Slow 5, Sloppy 10, Wet Fast (sealed) 1.

The finding. The trend is an ordinary least-squares line of winning time on year over the 94 fast-track runnings at 1¼ miles (1896–2026); the era slopes refit the same line to 1896–1960 and 1961–2026. The off-track slowdown is the winning time minus the fitted fast-track time for the same year, averaged over the 37 off-track runnings and again within each condition; the single sealed wet-fast running (2017) is grouped as off-track. Track condition is the official call, not a measurement.

Gaps. The source has no starting prices, field sizes or margins for the Derby, so none appear here. The 1875–1895 runnings at 1½ miles are listed but excluded from every time calculation. The 2020 running was moved from May to September and is otherwise a normal row.

Licence and attribution. The rows are the winners table of the Wikipedia article "Kentucky Derby", retrieved 2026-09-13 and reused under the Creative Commons Attribution-ShareAlike 4.0 licence. That table cites Churchill Downs Racetrack, the race's organizer for its facts; the official pages are listed under Sources and were not scraped. Names are spelled as Wikipedia prints them.

Sources

1. Kentucky Derby, winners tablesecondaryWikipedia · secondary · retrieved 2026-09-13 · CC BY-SA 4.0 — 152 rows, 1875–2026
2. Kentucky Derby historyprimaryChurchill Downs Racetrack · primary · retrieved 2026-09-13 · Official site; cited by the Wikipedia table, not copied — Official organizer, cited by the Wikipedia table