How Many 20‑Mile Runs Should You Do Before a Marathon?
Learn the optimal number of 20‑mile runs in marathon training, how to schedule them, fueling tips, common pitfalls, and a sample 16‑week plan.
Tag: long run frequency
Learn the optimal number of 20‑mile runs in marathon training, how to schedule them, fueling tips, common pitfalls, and a sample 16‑week plan.