@runningchannel: How much could you improve in 30 days? 🏃♀️ Head to the link in our bio to watch the video now to see how they got on and grab a free two week trial of the Runna app to see how much you could improve use the code TRC 🙌 #runna #runningchallenge #howtorunfaster #5km #5kmtraining #runningadvice #runimproverepeat #runningchannel #runningtraining