Epps and March are separated by fewer than 350 votes with roughly 10,500 votes counted so far, the tally shows.
U.S. Rep. Diana DeGette, a Denver Democrat, and U.S. Rep. Ken Buck, a Windsor Republican, sailed to victories Tuesday over first-time challengers in their respective primaries in Colorado.
Former energy industry executive Erik Aadland took an early lead and kept it Tuesday in the Republican primary for the Colorado congressional seat held by retiring Democratic U.S. Rep. Ed Perlmutter.
U.S. Rep. Doug Lamborn won the Republican nomination for a ninth term representing the 5th Congressional District on Tuesday, according to unofficial primary returns.
University of Colorado Regent Heidi Ganahl took the lead early over former Parker Mayor Greg Lopez – and maintained that advantage throughout the night – in the state's Republican gubernatorial primary on Tuesday.
Republican business owner Joe O'Dea jumped out to an early lead Tuesday night over state Rep. Ron Hanks, R-Cañon City, in the Colorado primary to decide who takes on Democratic U.S. Sen. Michael Bennet.
State Sen. Barbara Kirkmeyer will be the Republican nominee in Colorado's new congressional district.
Johnnie Ngyuen has a slight lead over his primary challenger to become the Democratic nominee for the open District 1 seat on the University of Colorado's Board of Regents, according to early unofficial results.
Pam Anderson, the former Jeffco Clerk and Recorder, has secured a significant plurality vote over Republican rivals in the race for Secretary of State, the unofficial early returns show.
U.S. Rep. Lauren Boebert, a Republican from Silt, will return to Washington, D.C., to represent Colorado's 3rd Congressional District, after handily beating her primary challenger, the unofficial tally shows.
Should the winners of the Republican primaries on Tuesday night go on to win their general election races in November – and it's a safe bet that most will do so, given their districts' partisan leaning – the state House could see a less fractured GOP caucus.
Peggy Propst appeared to win the Republican nomination for the Colorado Board of Education's new 8th District, according to the unofficial tally of early ballots.
