[4] His best finish in the Point Standings first came in 2011 when he won the NHRA Full Throttle Championship in Top Fuel.
[1] He became the third driver to win championships in both Top Fuel and Funny Car, joining Kenny Bernstein and Gary Scelzi in this category.
At the conclusion of the 1991 season, Worsham finished sixth in the Funny Car points standings and was named the NHRA Rookie of the Year.
Although he did not win a race, he placed fourth in the Funny Car points standings, a two-place improvement from his rookie year.
[9] In the Funny Car Series, he finished runner-up only once, losing to John Force at the Winternationals in Pomona, California.
After an engine exploded during one of his races, Worsham missed 12 weeks of the season to heal the burns he sustained.
This prestigious award was created by NHRA to commemorate late Top Fuel driver Blaine Johnson, who died during a crash in August 1996 at the U.S. Nationals.
[9] In addition, Worsham won his first race since his rookie year by ousting Whit Bazemore at the Prolong Super Lubricants Northwest Nationals in Seattle, Washington.
In the five Final Round races he participated in, Worsham won four, the most single-season victories of his career at the time.
Worsham would finish fourth in the Funny Car Series in 2003, 371 points behind champion Tony Pedregon.
He advanced to the final round six times and posted a career-best five wins, tying John Force in that category for the season.
Following his victory in Phoenix, Arizona, Worsham led the Funny Car Point Standings for the first time in his career.
He won both of his Final Round appearances, which were at the K&N Filters SuperNationals (Englishtown, NJ) and the Mac Tools U.S. Nationals (Indianapolis, IN).
In the only Final Round appearance he made that year, Worsham beat Ashley Force Hood at the O'Reilly Spring Nationals in Houston, Texas.
[29] He would qualify for the Countdown to One NHRA Playoffs for the first time in his career,[2] and he would place seventh in the Funny Car Point Standings.
[30] In 2010, Del qualified for all the Funny Car events for the second consecutive year, and he made it to the semifinals seven times.
Del qualified for his first Top Fuel event since 1994 at the Kragen O'Reilly Auto Parts Winternationals in Pomona, California, and lost in the semifinals.
At the VisitMyrtleBeach.com 4-Wide Nationals, a Top Fuel event featuring a final round with four drivers, Worsham beat out teammate Larry Dixon, Spencer Massey, and Shawn Langdon for his second Top Fuel victory for the season and his career.
On May 1, 2011, at the O'Reilly Auto Parts Spring Nationals, he would ultimately win his second consecutive Top Fuel event, defeating teammate Larry Dixon in the final round again.
One week later he announced his retirement from driving, now that he's reached his goal of winning a championship in Top Fuel.
On November 27, 2012, it was announced that Del Worsham will relinquish his crew chief position to Tommy DeLago and return to the driver’s seat for Kalitta Motorsports as the pilot of the DHL Toyota Camry Funny Car replacing Jeff Arend who had driven the DHL Funny car since the latter part of the 2008 season until 2012.
2019- Del is co crew chief for Shawn Langdon's Global Electronics funny car with Kalitta Motorsports.
[35] They have twin daughters, Katelyn Elaine and Madelyn Grace (3/4/02) [2] According to the official NHRA website, Del enjoys golfing, reading, and playing with his children.