Key Dates in 2012 Presidential Race

Republican presidential hopefuls face off in the New Hampshire primary on Tuesday, the second nominating contest in the race to challenge President Barack Obama in November.

Here is a look at other key dates in the race. Some are subject to change.

Jan. 16 — Republican debate in Myrtle Beach,S.C.

Jan. 19 — Republican debate in Charleston,S.C.

Jan. 21 — South Carolina primary

Jan. 23 — Republican debate in Tampa, Fla.

Jan. 26 — Republican debate in Jacksonville, Fla.

Jan. 31 — Florida primary

Feb. 4 — Nevada caucus, Maine caucus begins (through Feb. 11)

Feb. 7 — Colorado and Minnesota caucuses

Feb. 11 — Maine presidential caucus ends

Feb. 22 — Republican debate in Mesa, Ariz.

Feb. 28 — Arizona and Michigan primaries

March 1 — Republican debate in Georgia

March 3 — Washington Republican caucuses

March 6 — "Super Tuesday" primaries and caucuses across the country including Ohio, Massachusetts, Georgia, Oklahoma, Tennessee, Vermont and Virginia; Idaho (Republican), Alaska (Republican) and North Dakota (Republican). Wyoming's caucus begins on March 6 and runs through March 10.

March 10 — Kansas caucus

March 13 — Hawaii caucuses, Alabama, and Mississippi primaries

March 17 — Missouri caucuses

March 19 — Republican debate in Portland, Oregon

March 20 — Illinois primary

March 24 — Louisiana primary

April 3 — Maryland, District of Columbia, Texas, and Wisconsin primaries

April 24 — Connecticut, Delaware, New York, Pennsylvania, and Rhode Island primaries

May 8 — North Carolina, Indiana, and West Virginia primaries

May 15 — Nebraska and Oregon primaries

May 22 — Arkansas and Kentucky primaries

June 5 — California, New Jersey, Montana, New Mexico, and South Dakota primaries

June 26 — Utah primary

Aug. 27-30 — Republican convention in Tampa

Sept.3-6 — Democratic convention in Charlotte, N.C.

Oct. 3  — Presidential debate in Denver, Colo.

Oct. 11 — Vice-presidential debate in Danville, Ky.

Oct. 16 — Presidential debate in Hempstead, N.Y.

Oct. 22 — Presidential debate in Boca Raton, Fla.

Nov. 6 — Election Day