This question is about Nutrition and Running
Runners should consume 20-35% (0.5–1.5 g/kg/day) of their daily caloric intake as fat [1]
Healthy sources of fats for runners include extra virgin olive oil, nuts, nut butter, avocados, seeds, and fatty fish such as salmon, trout, and sardines.
Eating a well-balanced diet of carbohydrates, protein, and healthy fats is important for runners to improve their adaptive response to exercise [1]
[1] Kerksick, C. M., Wilborn, C. D., Roberts, M. D., Smith-Ryan, A., Kleiner, S. M., Jäger, R., Collins, R., Cooke, M., Davis, J. N., Galvan, E., Greenwood, M., Lowery, L. M., Wildman, R., Antonio, J., & Kreider, R. B. (2018). ISSN exercise & sports nutrition review update: research & recommendations. Journal of the International Society of Sports Nutrition, 15(1), 38. https://doi.org/10.1186/s12970-018-0242-y