NBC News on Friday announced the line-up for the first Democratic National Committee debate series in Miami, setting up a blockbuster second night during which the three frontrunners will take center stage.

The 20 candidates were split into two groups via a manual random draw conducted at NBC News Headquarters in New York City while DNC and campaign officials watched on.

The first debate, to be held on June 26, will feature:

New Jersey Sen. Cory Booker

Former Obama housing secretary Julián Castro

New York Mayor Bill de Blasio

Former Maryland Rep. John Delaney

Hawaii Rep. Tulsi Gabbard

Washington Gov. Jay Inslee

Minnesota Sen. Amy Klobuchar

Former Texas Rep. Beto O’Rourke

Ohio Rep. Tim Ryan

Massachusetts Sen. Elizabeth Warren

The second prime-time event on June 27 will showcase:

Colorado Sen. Michael Bennet

Former Vice President Joseph Biden

South Bend, Ind., Mayor Pete Buttigieg

New York Sen. Kirsten Gillibrand

California Sen. Kamala Harris

Former Colorado Gov. John Hickenlooper

Vermont Sen. Bernie Sanders

California Rep. Eric Swalwell

Self-help guru Marianne Williamson

Entrepreneur Andrew Yang

Before the draw, made by NBC News, the White House hopefuls were divided into two categories: those averaging 2% or more according to public opinion research and those with 2% or below support.

"NBC News then designated each of the groupings to a specific debate night," a network spokesperson said in a statement. "Candidate podium placements will be based on polling and announced at a later date."

Montana Gov. Steve Bullock, former Alaska Sen. Mike Gravel, Miramar, Fla., Mayor Wayne Messam, and Massachusetts Rep. Seth Moulton were the announced candidates who were unable to land a spot, failing to earn at least 1% in three polls and/or attract 65,000 unique donors, with at least 200 contributors from 20 different states.

NBC, MSNBC, and Telemundo will host the first round of debates. CNN, CNN International, and CNN en Español will broadcast the second series, scheduled to take place in Detroit on July 30 and July 31. A September debate event will aired by ABC News in conjunction with Univision.