Question: what to do before first 5k?
Answer: Get Your Z's Two Nights Before. Pre-race jitters tend to strike the night before the race, interrupting your sleep. ... 
Keep It Light. During race week, your running mileage should decrease. ... 
Fill the Tank. ... 
Get There Early. ... 
Warm It Up. ... 
Get In Line. ... 
Pace Yourself. ... 
Keep It Positive.