When you complete your tax return and choose to e-file it is then sent over electronically to the IRS. Until they process your return it ill show in pending. You can check the status of your return by choosing one of the two websites below, depending on if it is for the federal return or the state return.
To track your Federal refund:
https://www.irs.gov/refunds
To track your state refund:
https://ttlc.intuit.com/questions/1899433