IAU 100 km world team silver
Ran 7:41:03 in Ames as one of the three scorers in Spain’s second-placed women’s team.
Source-checked athlete record · Updated Oct 12, 2026
Carmen María Pérez
Badwater 135 women’s record holder and Spanish 24-hour best
Carmen María Pérez set the Badwater 135 women’s course record of 21:05:32 in 2026, second overall, and holds Spain’s best 24-hour road mark of 249.480 km.
SpainSan Juan de Requena, SpainMarathon CrevillenteW40–44
The record so far
Carmen María Pérez Serrano is a Spanish road ultrarunner from San Juan de Requena who won the women’s race at the 2026 Badwater 135. The official results place her second overall in 21:05:32, 11 minutes 51 seconds behind Max Jolliffe and 39 minutes 3 seconds faster than Ashley Paulson’s previous women’s record of 21:44:35. The organizer’s course-record table now lists her time as the women’s overall record.
She has raced for Spain at the IAU 100 km World Championships in 2022 and 2026 and at the IAU 24-Hour World Championships in 2023 and 2025. In Albi in 2025 she placed sixth among women with 249.480 kilometers, which the Spanish athletics federation lists as the national best for 24 hours on the road; she also headed the W40 category of the WMA masters championship held in the same race. At the 2026 100 km championships in Ames she ran 7:41:03 for 17th place and was one of the three scorers in Spain’s silver-medal women’s team.
Her 2026 season also included the overall win at the Cinisello Balsamo 12-hour race with 138.867 kilometers and the women’s title at Ultrabalaton, where she covered the 209-kilometer course in 18:25:23 for fourth overall. At the 2024 Spartathlon she was second woman and 11th overall in 25:34:13, behind Noora Honkala.
Defining performances
↗
Badwater 135 women’s course record
Won the women’s race and finished second overall in 21:05:32, 39:03 faster than Ashley Paulson’s previous women’s record.
Ultrabalaton women’s winner
Covered the 209-kilometer course around Lake Balaton in 18:25:23, fourth overall.
Spanish 24-hour road best
Covered 249.480 kilometers in Albi for sixth place among women at the IAU World Championships.
Spartathlon runner-up
Placed second among women and 11th overall in 25:34:13.
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| IAU 100 km World Championships, Ames100 km road | 7:41:03 | 17th woman · Team silver | View ↗ | |
| Badwater 135135-mile roadWomen’s course record, 39:03 faster than Ashley Paulson’s 21:44:35 from 2023; the organizer’s age-group and overall course-record table lists it as the women’s overall record. | 21:05:32 | 1st woman · 2nd overall | View ↗ | |
| Ultrabalaton209 km roadOfficial timing; some press reports gave 18:24:49. | 18:25:23 | 1st woman · 4th overall | View ↗ | |
| Cinisello Balsamo Running Festival12-hour road | 138.867 km | 1st overall | View ↗ | |
| IAU 24-Hour World Championships, Albi24-hour roadAlso the leading W40 in the WMA 24-hour World Championships held in the same race. | 249.480 km | 6th woman · Spanish best | View ↗ | |
| Spartathlon245 km road | 25:34:13 | 2nd woman · 11th overall | View ↗ | |
| SLO12RUN, Kranj12-hour road | 144.259 km | 1st woman · 3rd overall | View ↗ | |
| IAU 24-Hour World Championships, Taipei24-hour road | 240.899 km | 8th woman | View ↗ | |
| IAU 100 km World Championships, Bernau100 km road | 7:47:14 | 17th woman | View ↗ |
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