There are literally thousands of female participants in marathons around the world every year, and you have to be in denial to ignore the obvious sex-based difference in performance.
For ultramarathons, in particular, the performance difference is smaller, but it still exists. The most you can claim is that at ~200 miles there's a slight average performance advantage in pace for women in specific studies.
For ultramarathons, in particular, the performance difference is smaller, but it still exists. The most you can claim is that at ~200 miles there's a slight average performance advantage in pace for women in specific studies.
https://www.nature.com/articles/s41598-026-46032-9?fromPaywa...
https://trainright.com/women-faster-than-men-ultramarathon/
https://pmc.ncbi.nlm.nih.gov/articles/PMC3870311/