Ultra · WORLD RECORD REFERENCE

50K world records.

50 000 meters. Explore official performances and your own targets.

Coverage note. The mixed-race women’s record is included. The women-only 50 km category is not yet verified for this edition.

Ratified records

Men · Road

2:38:43

Ratified

CJ Albertson · USA

San Francisco (USA) · 2022-10-08

IAU source

Source checked 2026-09-10

Source table updated 2026-05-06

Women · mixed race · Road

2:59:54

Ratified

Desiree Linden · USA

Dorena, Oregon (USA) · 2021-04-13

IAU source

Source checked 2026-09-10

Source table updated 2026-05-06

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This event covers 50 kilometers.Confirm the record’s surface, athlete classification, race category, ratification status, and date before comparing performances. The mile can refer to a track mile or a road mile; these are distinct record categories. Ultra distances may have additional surface and recognition distinctions.

Running records can change. Always verify official record databases for competition-critical information.