See DLake's full article and video called "Is This Invisible Thing Slowing Down Your Race Times? (Air Pollution)".

You might be able to outrun the hills and the clock, but can you outrun the air itself?

In this episode you’re going to learn:

• The crazy ways air pollution can steal your speed—and how to fight back.
• Where to find real-time data so you can dodge the smoggiest spots on your route? Hang tight because the solution is super easy, and it will get even better.
• Why taking care of your lungs now sets you up for better running long-term.
• And much more