“[Hal Higdon]’s all about the democratization of running,” his daughter, Laura Sandall, said. “He was all about making sure that anyone who wanted to get out and run could have a training program at their fingertips.”
At their fingertips, and at the top of Google search results. His free training plans have remained some of the most frequently used — a rarity in a world where most plans and coaches cater to runners who are willing to shell out hundreds of dollars for personalized schedules.-Talya Minsberg, “The 90-Year-Old King of Training Plans.” The New York Times: Running Newsletter. July 19, 2021
The Hal Higdon website has a variety of plans for various distances. I simply looked at the base plan for intermediate runners, which as you can see below, is a perfectly sane running program. Bookmarking for future reference.