24-hour world record
Covered 319.614 km in Verona, averaging approximately 4:30 per kilometre for a full day.
Source-checked athlete record · Updated Aug 17, 2026
Aleksandr Sorokin
24-hour and 100 km world-record holder
Aleksandr Sorokin is a Lithuanian ultrarunner who holds the men’s 24-hour, 12-hour, 100-mile, 100 km, and 6-hour world records.
🇱🇹 LithuaniaVilniusCosmaM40
The record so far
Aleksandr Sorokin holds multiple world records in modern fixed-time ultrarunning. His 319.614 km performance at the 2022 IAU European 24-hour Championship remains the ratified men’s world record, while his 177.410 km 12-hour mark and 10:51:39 100-mile split came from the same 2022 race in Israel.
Sorokin also brought elite marathon-style speed to the 100 km. He lowered the road world record to 6:05:35 in Vilnius in 2023, then won the IAU 24-hour World Championship later that year with 301.790 km—his second world title at the format.
Defining performances
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| Comrades Marathon — Up Run86 km road | 5:42:34 | 29th overall | View ↗ | |
| IAU 24-hour World Championship24-hour race | 301.790 km | World champion | View ↗ | |
| World’s Fastest Run100 km road | 6:05:35 | World record | View ↗ | |
| IAU 24-hour European Championship24-hour race | 319.614 km | World record · European champion | View ↗ | |
| Spartanion 12 Hour12-hour raceIncluded a 10:51:39 world-record 100-mile split. | 177.410 km | World record | View ↗ | |
| Spartathlon246 km road | 22:04:04 | Winner | View ↗ |
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