The Run with Hal team will always recommend you work with your healthcare professional to determine an appropriate level of running for your injury and determine the progression you should follow to return to the training plan. You can use the Blackout Dates feature to make sure your schedule is appropriate for any time you need to take off in the short term.
If you have a question regarding your return to training, it may be best to ask it on Hal Higdon's social channel:
Facebook: https://www.facebook.com/higdonmarathon
Twitter: https://twitter.com/higdonmarathon
We encourage people to ask via social media as many other people are likely to have the same question! But you can also send him an email at info@halhigdon.com.