Question: 5k how to run faster?
Answer: Run Faster in 1, 2, 3 – Start with the one-minute intervals once per week for three weeks, progress to the two-minute intervals for three weeks, and then run the 1-2-3 workout once per week for the weeks leading up to your 5K race. ... 
One-Minute Intervals: ... 
Two-Minute Intervals: ... 
1-2-3 Intervals: