The term 'Marathon Aftermath' refers to the physical effects of running a marathon. ACHE (4 letters) is a dull, constant pain that can be felt in muscles and joints. ACHES (5 letters) is a similar feeling but more intense and localized. SORENESS (8 letters) is a feeling of tenderness and pain in the muscles after exercise. All three of these terms are common experiences for those who have completed a marathon.