The 5K will take place the day before the marathon and half marathon.
The 31-year-old American will face a tough field in Sunday's Rock ‘n’ Roll Arizona Half Marathon.
The Olympians will kick off an important 2015 season in the Valley of the Sun.
The reigning U.S. 10,000-meter champion will get her season started in Houston this weekend.
World Marathon Majors champ Rita Jeptoo is under fire after failing a test for EPO in September.
Fresh off five marathon wins, Ben Bruce will run the Rock 'n' Roll Arizona 1/2 Marathon this weekend.
It's cold across much of the United States, but the running must go on.
London will reportedly be Radcliffe's final marathon of her career.
The lottery opens at noon on Thursday and closes Feb. 15.
Runners are invited to run Rock 'n' Roll races in Washington, D.C. and Mexico City on the same weekend.