Le Court completed the two laps, which covered 30km, in 2:28:43.
Fellow countrywoman Aurelie Marie Halbwachs crossed the line just under a minute later, with Kenya’s Nancy Akinyi Debe third.
Fourth place went to Zimbabwe’s Stacey Kendal Hyslop, while Morocco’s Mounia Benaji placed fifth.
View more results below.
Women’s cross-country marathon
1. Kim le Court (Mauritius) 2:28:43
2. Aurelie Marie Halbwachs (Mauritius) 2:29:28
3. Nancy Akinyi Debe (Kenya) 2:29:58
4. Stacey Kendal Hyslop (Zimbabwe) 2:37:11
5. Mounia Benaji (Morocco) 2:37:32
6. Amira Lameti (Morocco) 2:42:09
7. Jemiffer Salome Kanini (Kenya) 3:05:55