This recent paper (abstract) from Feb 2023 uses a large data set to conclude
‘... that the gap between men and women shrinks when trail running distance increases, which demonstrates that endurance is greater in women. Although women narrow the performance gap with men as race distance increases, top male performers still outperform the top women.’

‘Running Endurance in Women Compared to Men: Retrospective Analysis of Matched Real-World Big Data’
https://www.researchgate.net/publica...World_Big_Data


Other recent papers of interest:

‘Sex Differences in VO2max and the Impact on Endurance-Exercise Performance’
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9105160/

‘Expanding the Gap: An Updated Look Into Sex Differences in Running Performance’
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8764368/

Do Sex Differences in Physiology Confer a Female Advantage in Ultra-Endurance Sport?
https://www.researchgate.net/publica...ndurance_Sport