The critical dates for the 2017-18 series are:
- August 15 – Early registration pricing ends
- September 25 Last day of all in one registration.
- Registration for just the challenge itself and signing up for each race individually is still possible.
- October 8 – Race Day – Run Free Texas 8k
- October 8 through October 25
- Late Registration available only to runners who completed the Run Free Texas 8k
- November 5 – Race Day – Run for the Water
- December 10 – Race Day – Decker Challenge
- January 21 – Race Day – 3M Half Marathon
- February 5 – Last day for a late track change
February 18 – Race Day – Austin Marathon & Half Marathon
- March 4 – Finisher Party and Award Presentations
- 4pm – 6pm at Oskar Blues Brewery
- March 21 – Alternate Jacket pickup for those who cannot attend the party
- 6pm- 8pm at Select Physical Therapy Central Park