DES MOINES, Iowa - Tyson Gay’s 9.75 win in the 100m led the way for world-leading marks by English Gardner, Barbara Pierre and Sharon Day on the second day of senior competition at the USA Outdoor Track & Field Championships at Drake Stadium.

Today’s events, seen in-stadium by a crowd of 7,622, were broadcast on ESPN2 and USATF.tv as part of more than 50 hours of webcasting and nine hours of national television broadcasts. 2013 marks USATF’s most aggressive national media distribution of a national championship to date. View the complete webcast and broadcast schedule here.

The USA Outdoor Track & Field Championships conclude the 2013 USATF Championship Series. The meet also selects the athletes that will represent Team USA at the IAAF World Championships in Moscow, Russia, August 10-18.

Tyson Gay (Lexington, Ky.) dominated the field from 60-meters on, to run a blistering 9.75 (+1.1) to win his fourth USA Outdoor title in the 100m. Gay’s time improved his previous world-leading mark of 9.86, it equalled the Drake Stadium record, and is the 10th fastest 100m time ever recorded. Today was Gay’s best performance since 2009. Justin Gatlin (Orlando, Fla.) finished second in 9.89, while NCAA Champion and 2010 World Junior silver medalist Charles Silmon (Waco, Texas) finished third in 9.98. Silmon beat 4th placer Mike Rodgers by only two-thousandths of a second. The top three men will represent Team USA at the IAAF World Championships.

In her first meet as a professional athlete, English Gardner (Voorhees, N.J.) won the 100m in 10.85 (+1.8) to equal the Drake Stadium record. Gardner is the first woman since Carlette Guidry (Texas) in 1991 to win both the NCAA and USA Outdoors titles in the same year. Octavious Freeman (Lake Wales, Fla.) of the University of Central Florida claimed the runner-up spot in 10.87, and Alexandria Anderson (Chicago) finished third in 10.91. All three women have the IAAF A standard and will represent Team USA in Moscow.

In the women’s 100m semi-finals earlier in the day, Pierre set a stadium record and world leading mark of 10.85 with a legal +2.0 wind. Pierre placed fifth in the final with a 10.94.

In the women’s heptathlon, Sharon Day (Costa Mesa, Calif.) had the performance of her life to win a second USA Outdoor title. Day recorded 6,550 points in setting a personal best by 207 points. Day’s score makes her the No. 5 U.S. performer all-time. She tied her PR in the 100m hurdles at 13.54 and set a lifetime best in the 200 at the end of day one, clocking 24.02. Another PR in the long jump kicked off today’s events, and Day set a lifetime best in the javelin at 47.38m/155-5 before running 2:12.12 in the 800 to cap it all off.

Bettie Wade (Manhattan, Kan.) finished as the runner-up with 6,018 points, and Erica Bougard (Byhalia, Miss.) of Mississippi State was third with 5,990 points, a personal best for her by 14 points. All three women will represent Team USA in Moscow, as Day and Wade have the A standard, while Bougard has the B standard.

Olympian Lance Brooks (New Berlin, Ill.) won his second consecutive national title in the men’s discus in 62.29m/204-4. Brooks’ best throw came on his third attempt, and was one of two over 60-meters. Russ Winger (Colorado Springs, Colo.) finished second in 62.03m/203-6, while James Plummer (South Toms River, N.J.) of Rutgers University was third in 61.96m/203-3. None of the men have the IAAF B standard, but the top four have the opportunity to chase until July 20.

Brad Walker (Spokane, Wash.) won his fifth outdoor national title in the men’s pole vault as he and Jeremy Scott (Norfolk, Neb.) both cleared the bar at 5.65m/18-6.50. Walker won the title by clearing the height on his first attempt, while Scott took two attempts. Jack Whitt (Norman, Okla.) of Oral Roberts University cleared 5.60m/18-4.5 to take third. Walker and Whitt have the IAAF A standard of 5.70m/18-8.25, while Scott has the B standard, so all three will vault for Team USA in Russia.

A.G. Kruger (Sheldon, Iowa) won his fifth USA Outdoor title in the men’s hammer throw. Kruger’s winning mark came on his third attempt with his throw of 75.52m/247-9. This is Kruger’s first national outdoor title since 2009, and his 13th national title overall. Chris Cralle (Huntsville, Texas) repeated on his runner-up performance from the Olympic Trials as he took second in 74.55m/244-7. Andrew Loftin (Ft. Collins, Colo.) was third in 73.63m/241-7. Kruger has the IAAF B standard and will represent Team USA at the World Championships, and the top four athletes can chase the standards through July 20.

In the first day of the men’s decathlon, 2012 World Junior champion Gunnar Nixon (Santa Fe, N.M.) set or equaled four lifetime bests on the way to a PR 4,449 points to lead Olympic champion and world record holder Ashton Eaton (Bend, Ore.) by 44 points. Nixon zipped to a PR of 10.80 in the 100m, and followed with another lifetime best in the long jump at 7.62m/25-0. He matched his high jump PR with a 2.17m/7-1.5 clearance and polished off his best-ever first day with a PR 48.63 in the 400m.

Eaton was the fastest overall in the 100m at 10.48, and also turned in the fastest time in the 400m at 46.89. Reigning world champion Trey Hardee, (Austin, Texas) who holds the wild card bye for Moscow firmly in his pocket, contested the first three events, running a solid 10.52 in the 100m, long jumping  7.09m/23-3.25 and throwing the shot put 15.29m/50-2. He passed up the high jump and ran the 400 in 48.10, but was disqualified for a lane violation.

In qualifying action, the women’s 100m hurdle prelims were run with a stiff tailwind to produce fast times. Hometown favorite Lolo Jones (Baton Rouge, La.) enjoyed the only wind-legal heat of the day to record a stadium record of 12.50 ( +1.9 mps) and move herself to No. 2 on the current world list. In heat three, NCAA Champion Brianna Rollins (Miami, Fla.) rode a +2.3 mps tailwind to cross the line in 12.33. Rollins’ mark is the third best American mark under all-conditions. Queen Harrison clocked 12.44 with a +3.1 mps tailwind to win the fourth heat.

2012 Olympians Georganne Moline (Phoenix) and T’erea Brown (Miami, Fla.)  had the top two times in the women’s 400m hurdle prelims. Out of heat two, Moline clocked 55.04, and Brown clocked 55.37. Two-time world champion Lashinda Demus (Los Angeles, Calif.) was a late scratch in the event with a leg injury. USATF has granted her a medical waiver to use her IAAF-issued bye into the World Championships as a defending World Champion. On the men’s side, Bershawn Jackson (Miami, Fla.) had the fastest time of the day in 48.76 out of heat one. Olympic silver medalist Michael Tinsley (Little Rock, Ark.) won the second heat in 48.84.

Francena McCorory (Hampton, Va.) ran 50.53 in heat one to record the fastest time in the women’s 400m semi-final. Natasha Hastings (New York) ran 50.67 to win the second heat, with Sanya Richards-Ross (Austin, Texas) finishing fourth in the heat to take the last auto-qualifying spot.

In the men’s 400m semi-final, LaShawn Merritt (Portsmouth, Va.) ran the fastest time in heat one in 44.36, and the University of Florida’s Arman Hall (Miami) became the sixth fastest performer on the U.S. junior all-time list with a 44.82 that placed him fourth in the heat.

Brenda Martinez (Rancho Cucamonga, Calif.) dipped under 2-minutes in the women’s 800m semi-final with the fastest time of the day in 1:59.84. Alysia Montano (Canyon Country, Calif.) won the second heat in 2:00.14. Junior athlete Ajee Wilson (Neptune, N.J.)  equalled her personal best of 2:00.91, which is No. 4 on the all-time U.S. junior list, while Amy Weissenbach (Los Angeles, Calif.) moved to No. 5 on the all-time U.S. junior list.

In the men’s 800m semi-final, seven men ran under the IAAF A standard of 1:45.30. Brandon Johnson (Los Angeles) ran the fastest time of 1:44.78, with Duane Solomon (Los Angeles)  second in 1:45.07.

Craig Forys ran the fastest time of the day men’s 3,000m steeplechase prelim in 8:37.79 out of heat one. Olympians Donn Cabral (Glastonbury, Ill.) and American record holder Evan Jager (Algonquin, Ill.) advanced to the finals as well.

Athlete quotes are available here

For more information on the USA Outdoor Track & Field Championships, including a complete schedule of events, full start lists and live results, visit www.usatf.org. Tickets are still available at catchdesmoines.com or at the Drake Stadium box office.