> A general estimate for calories burned in one mile is approximately 100 calories per mile, says Dr. Daniel V. Vigil, an associate clinical professor of health sciences at David Geffen School of Medicine at UCLA.

But sure it varies by weight. That said, the super-overweight are also too out of shape to run anywhere close to the required distance.

[1] https://www.healthline.com/health/fitness-exercise/running-b...