Since the 2012 Summer Olympics are opening soon, NBC is trying to get viewers excited with 56 total hours of Olympic coverage over the next three weeks.

The Olympic Trials coverage starts with diving this Tuesday at midnight ET on NBC Sports Network. NBC will air 14 hours of live diving trials including 5 hours of weekend coverage on NBC with the remaining coverage on NBC Sports. From Federal Way, Washington, NBC will have Ted Robinson doing play-by-play, Cynthia Porter doing analysis, and Alex Flannagan  reporting.

Twelve hours of track and field trial coverage begins Friday at 9 pm ET on NBC Sports. Eight days will be covered in total, including four nights in primetime on NBC.  The track and field broadcast team includes Tom Hammond, Ato Boldon, Craig Masback, Tim Hutchings, Dwight Stones and Lewis Johnson reporting from Eugene, Oregon.

For the first time, every night of the swimming trials will be shown in primetime on NBC. The 16.5 hours of trial coverage begin Monday, June 25 at 6:30 pm ET on NBC Sports. It will be followed immediately by the first of eight straight nights of trials in primetime on NBC at 8 pm ET. Dan Hicks, Rowdy Gaines and Andrea Kremer will be the team reporting from Omaha, Nebraska.

There will be 8.5 hours of gymnastics trials coverage beginning on Thursday, June 28 at 5:30 pm ET on NBC Sports. It starts 4 straight days of coverage ending with the women’s final in primetime on NBC on July 1. Al Trautwig, Tim Daggett, Elfi Schlegel and Andrea Joyce report from San Jose, California.

Other trials coverage highlights are:

Leading into the 2012 Olympic Games, a record 67 1/2 hours of coverage will have aired on NBC and NBC Sports. It will feature 10 sports including live primetime coverage of trials for diving, swimming, gymnastics, and track & field as well as events for field hockey. The trials, which began in January, will conclude on July 8 with U.S Women’s Water Polo facing the China.