Please choose the correct ending to complete the given sentence: Health: [header] How to run safely in the summer [title] Get acclimated with the hotter weather. [step] When you're used to either running indoors or during colder weather, the shock of a super hot and humid day can be tough on your body. Avoid this stress and get yourself acclimated to the summer heat.

Ending1: [substeps] Try running indoors when the weather gets hotter on your whole body. If the ground is hot, then why not run on the beach? Or even swim in the ocean. Ending2: [substeps] As the summer will definitely be hot, you'll also find it difficult to blend in with your fellow hikers, campers, or other comfortably exposed travelers. Look into other outdoor activities that can help keep you fit as best as it can. Ending3: [substeps] When it gets closer to summer, you'll have a few really hot days pop up all of a sudden. Instead of going for a long run or doing speed work on these days, do an easier workout. Ending4: [substeps] To normalize the weather in your home, grab a comfortable gym bag and bring on some comfortable sneakers and cotton gloves. Keep adding layers of clothing as you get ready for the hottest weather that can be found.

Answer format: ending1/ending2/ending3/ending4