The document outlines four different mileage progression plans for female runners over a 20 week period. Plan A is for newcomers and focuses on building up weekly mileage from 20 to 35 miles over the period. Plan B is for most varsity runners and involves slightly higher weekly mileage ranging from 25 to 40 miles. Plan C is for mid-to-high mileage runners and ranges from 30 to 45 miles per week. Plan D has the highest mileage and ranges from 35 to 50 miles weekly, and is not intended for newcomers. All plans include most weekly runs taking 30-80 minutes and progressing in distance over the 20 weeks.