A 36-year-old male amateur marathon runner with 2 years of running experience, a running pace of 5:30 min/s/km, a weekly running distance of 65 km, and a rearfoot strike pattern. Sagittal fat-suppressed protein density-weighted imaging (fs-PDWI) showing grade 3 bone marrow edema-like signal intensity of the distal tibia, talus, calcaneus, and navicular bone (arrow)