Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to train for a 5 k run in 10 weeks [title] Evaluate your fitness level. [step] Taking weather and other factors into consideration (if you are testing your fitness level after work or on no sleep), test your endurance to see what you are made of--today. [substeps] Take both cardio and muscle fitness into consideration.

Ending1: Yoga is a wise and effective way to promote health by increasing your strength, endurance, endurance, and balance. When you run, be sure to keep your body well-hydrated and hydrated. Ending2: You will find it provides more endurance for you. Take good form even on the techniques you also don't normally use. Ending3: Although running is mainly a cardio activity, you will need muscular fitness and agility to propel you to the next level. Measure your strength by taking the push up and sit up test. Ending4: If running at the gym, a running regimen for 75 minutes can be continued. The more stamina you're burning, the bigger the race will be.

Answer format: ending1/ending2/ending3/ending4