Hernandez was born in the Heart of Chicago, in a neighborhood located near the junctions of Armour Square, South Loop neighborhood and the Lower West Side, Chicago community called Pilsen. He attended Providence of God Catholic School from 1959 to 1965. When Hernandez turned 12, his family moved to an unincorporated portion of South Stickney Township, which is now the city of Burbank, Illinois. He attended Rosa G. Maddock Elementary Grade School from 1965 to 1968.
Hernandez competed and wrestled for Reavis High School, Chicago State University, the University of Maine at Presque Isle, the US Army National Team and the United States National Sambo Team.
Hernandez is the First Sambo wrestler to be featured on Wheaties (Wheaties Energy Crunch).
Hernandez won his first Gold medal at the United States Wrestling Federation Illinois District #4 Jr. Freestyle Wrestling Championships in the 154 lbs weight class in April 1972. He won a Bronze medal at 154 lbs in the 1972 Amateur Athletic Union Illinois State Jr. Freestyle Wrestling Championships held at Loyola Academy. At the 1973 City of Chicago Park District City-Wide Open Wrestling Championships, Hernandez won the 155 lbs weight class finals.
In January 1975, he was awarded a wrestling scholarship to Chicago State University. He won his first NCAA victory at 158 lbs at a tournament held at Carthage College in Kenosha, Wisconsin. He took second place at the 1976 National Association of Intercollegiate Athletics District #20 at 158 lbs. He qualified for the NAIA National Wrestling Championships held at Edinboro University in Edinboro, Pennsylvania.
Hernandez transferred to the University of Maine at Presque Isle in August 1976. His first international victory was in November 1976 against Jean-Guy Duguay from the Université de Moncton, New Brunswick, Canada by fall. In November 1977, he won the Acadia University, Nova Scotia Open, defeating wrestlers from Dalhousie University, Saint Francis Xavier University and Acadia University. In January 1979, he won first place at the University of New Brunswick International Open Championships in Fredericton, New Brunswick defeating Team New Brunswick Canada Games members Richard Cuthberson, David Niles and Wallace Gregory of Team Newfoundland & Labrador Canada Games member in the finals. Hernandez won first place at the 1979 USA Wrestling Maine State Freestyle Wrestling Championships, third place at the Northern New England Championships and fifth place at the National Collegiate Athletic Association Northeast Regional. He was an 3 time All-District selection in NAIA #5, 1979 All-New England and NCAA Northeast Regional Teams. The State of Maine AAU Olympic Freestyle Wrestling All-Star Team selected him to compete against the Netherlands Olympic Freestyle Wrestling Team. Hernandez graduated with a Bachelor of Arts degree in Social Science from the University of Maine at Presque Isle in May 1979.
Hernandez was named head wrestling coach at University of Maine at Presque Isle for the 1980-81 season. He coached 3 Northern New England Champions, 3 All-New England NAIA Wrestlers, 2 All-New England D-3 NCAA Wrestlers and 3 NAIA National Qualifiers. He was selected as NAIA District 5 Wrestling Coach of the Year. He was the State of Maine Report Editor for WRESTLING USA Magazine in 1980–1981.
He enlisted in the United States Army in October 1981. In November 1982, he won the Fort Riley, Kansas Post Freestyle Wrestling Championship in the 158 lbs weight class. In January 1983, Hernandez was selected to the All-Army National Wrestling team at Ft. Bliss, Texas. Hernandez won a Bronze at the Texas Tech Wrestling Invitational and helped the Army National Team win the team title. In November 1983, he won his second Ft. Riley Post Wrestling Championship in the 158 lbs weight class and was selected the "Outstanding Wrestler" of the 3 day tournament.
In April 1984, he participated in the 1984 US Olympic Greco-Roman Wrestling Trials. Hernandez attended a Sambo clinic during the Olympic Trials, where he was introduced to the sport of Sambo by Jim Schneweis, a US National Sambo Champion. Coach Schneweis cornered Hernandez during the Olympic Trials. In April 1985, he won the USA Wrestling Vermont State Freestyle Championships in the 163 lbs weight class and in April 1986, he won the USA Wrestling Massachusetts State Freestyle Wrestling Championships in the 180 lbs weight class. In July 1986, he was a Bay State Games Freestyle Wrestling finalist.
Hernandez was named Outstanding Wrestler as he won his first United States National Sambo Championship in May 1987 at the Amateur Athletic Union National Sambo Championships by defeating Earl Norman of Washington, D.C. 12-0 in the 163 lbs weight class. He won the AAU National Greco-Roman Masters Championships in the 163 lbs weight class pinning Yohnnie Shambourger of Washington, D.C. in 54 seconds in the finals. In the Greco-Roman Masters All-Around 163 lbs weight class championship final, he defeated Omar Malik of Maryland. Hernandez placed 4th in the Greco-Roman Open losing 12-2 to Pan-American Greco-Roman Champion Mark Black of Ohio.
In June 1989, Hernandez competed in the 180 lbs and 163 lbs weight classes and won 3 National AAU Medals at the Amateur Athletic Union National Masters and Open Free-Style Wrestling Championships held in Battle Creek, Michigan. He lost in the National Open Division Finals 10-9 to Charles Cody at 180 lbs. In the 163 lbs All-Round Masters Division Finals he was defeated by Randy Lex. He finished 4th in the Masters 163 lbs 35- to 40-year-old age group.
In July 1991, Hernandez won two Gold Medals at the 1991 Amateur Athletic Union National Masters Free-Style Wrestling Championships in the 180 lbs weight class. He won the 35-39 age-group by defeating Bruce Gabrielson by fall in 2 minutes, 30 seconds. In the Masters All-Round Championships he won Gold by defeating Gene Butler in the Masters All-Round Finals 4-1. He was selected and won the “Most Outstanding Wrestler Award”. Hernandez was named to WRESTLING USA “National Honor Roll of Champions” in 1983 and in 1992.
In 1995, he took fifth place as a member of the USA Wrestling National Veterans Team at the Fédération Internationale des Luttes Associées World Veterans Freestyle Wrestling Championships held in Sofia, Bulgaria.
Hernandez, at age 43, won three Gold medals, two Silvers and two Bronzes at the Grand National AAU Wrestling Championships. He participated in Sambo, Greco-Roman and Freestyle wrestling contested at the 3 day event in 1997, held at Rabobank Arena in Bakersfield, California.
In 1999, he won the 1999 Fédération Internationale Amateur de Sambo Pan-American Gold and Bronze medals in the 180 lbs weight class. Hernandez competed as a member of the USMC National Sambo Team which won the US National Sambo Team Championships held at Marine Corps Base Quantico in Quantico, Virginia, in 1999.
In April 2000, Hernandez won the XXV National AAU Sambo Championships held at Disney's Wide World of Sports Complex in Orlando, Florida. Hernandez defeated 22-year-old Eric Wagner of Virginia in the Open Finals by armbar submission. He won the Fédération Internationale Amateur de Sambo Pan-American Silver medal by defeating Canadian Amateur Wrestling Association Greco Roman Silver Medalist Josh Albright of Nova Scotia, Canada by a score of 7-2. In July 2000, the 46-year-old Hernandez won the middleweight (163 pounds), Gold medal in the 45-49 age group at the Federation International Association Sambo World Championships held at the Hara Arena in Dayton, Ohio. He also earned the Silver medal in the Masters of the Sport category, which combines champions from all masters’ age groups. He won the Bronze medal in Combat Sambo and a Bronze medal in the open division finishing behind Venezuela and Switzerland. He was selected to represent the USA at the World Cup of Sombo in Nice, France. In November 2000, Hernandez led the United States to a second-place finish at the FIAS West World Cup of Sambo Wrestling held in Nice, France, himself winning a Silver medal by defeating Martial Bouchaud of France and losing in the finals to defending World Champion Vanyo Todorov of Bulgaria
In May 2003, he won 2 Gold medals at the 6th World AAU Iron Man Wrestling Championships in Open and Masters division held in Knoxville, Tennessee. He pinned Glen Tolleson of Florida in 1:23 in the Greco Roman Championship finals. Hernandez from 1987 to 2003 has achieved AAU All American status as a wrestler 31 times.
In 2004 he represented the United States at the FIAS British Sambo Championships held at the Swallows Leisure Centre, Sittingbourne, Kent, England. He defeated British Middleweight MMA Fighter Grant Waterman of Portsmouth, England 14-4 to win the Silver medal.
In 2005, at age 51, Hernandez represented the USA at the FIAS British Sambo Championships held in Sittingbourne, England, winning the Silver medal in his weight class.
In June 2006, representing Team Irish, he won Gold and Silver medals at the North American Grappling Association New England Championships held at Bryant University. In November later that year; he won Silver and Gold medals at the North American Grappling Association Championships held at Sacred Heart University William H. Pitt Center in Fairfield, Connecticut.
In 2007, Hernandez represented the USA and the American Sambo Association at the FIAS/BSF British Sambo Championships held in Sittingbourne, Kent, England. He took the Silver medal by defeating Oktam of Uzbekistan, 1-0 in the semi-finals. He was defeated by FIAS World Sambo medalist and World Cornish Wrestling champion Darrin Richardson of Gosport, England, 2-0, in the Championship finals.
Hernandez has won 2 Gold, 3 Silver and a Bronze medal in Open and Masters Expert divisions at the Maine Skirmish competitions in 2003, 2005 and 2007 held at Winslow High School.
In April 2008 at the North American Grappling Association's World Championships at Essex County College in Newark, New Jersey, Hernandez won a pair of world titles in the Executive Expert Heavy Weight NO-GI division. He won a Bronze No-Gi Championship by defeating Phil Kavowski of New York City by choke submission and the Silver Medal in the Gi competition losing to World NAGA Champion Neal Keegstra of New Jersey (Royce Gracie) by a score of 2-2 overtime split decision.
In April 2009 he won a Silver medal in the Executive Expert Heavy Weight No-Gi North American Grappling Association's World Championships held at Essex County College in Newark, New Jersey. He lost to World NAGA Champion Neal Keegstra of New Jersey by a score of 4-2, and further won the Bronze medal in the Gi competition by forfeit.
In November 2009 Hernandez won a Bronze medal in the Executive Expert Heavy Weight division at the NAGA North American Grappling Championships held at Essex County College in Newark, New Jersey. He defeated NO-GI Executive Cruiserweight Grappling NAGA World Champion George Sommers of New Jersey by a score of 8 - 0. He won the Bronze medal in the Gi Executive Expert Heavy Weight division competition.
In July 2010 Hernandez won two Bronze medals at the FIAS Scottish Sambo Open and Judo Championships held at the DG1 Leisure Centre, Dumfries and Galloway, Scotland. He was defeated by Jack Tinning of Closeburn, Dumfries and Galloway, Scotland and former British Judo Olympian Team member John Imrie Edinburgh, Scotland in the Heavy Weight division.
On May 5, 2012, Hernandez won the Executive Expert Heavy Weight GI division at the NAGA Arizona State Grappling Championships held at Phoenix College in Phoenix, Arizona. He defeated Al Guinee of Arizona by a score of 2-1. He lost to Ken Smith of Idaho in the Executive Expert Heavy Weight No-Gi Championship finals. He further won another Silver medal in the Gi competition as he was defeated by Mike Myers of Arizona in the Championship finals.
In August 2013 in Jamestown, Ohio, Hernandez won the “Sambo Joe”/American Karate Ju-Jitsu Union National Sambo Championships defeating Kentucky USA Wrestling State Junior Freestyle and Greco Roman Wrestling Champion Brandon Hester by armbar submission.
At age 60, Hernandez defeated three-time United States National Combat Ju-Jitsu champion and world champion Chris Renfroe of Holland, Michigan, 4-0, to win the 30-and-over master’s division of the 2014 “Sambo Joe”/American Karate Ju-Jitsu Union National Sambo Championships, held August 2014 at Ohio University in Chillicothe, Ohio.
In May, 2015, Hernandez won double Gold in both Greco-Roman Wrestling and in Olympic Freestyle at the 2015 USA Wrestling Veterans National Championships at the U.S. Open at the South Point Hotel, Casino & Spa, Las Vegas, Nevada. Earlier in April, 2015, he was crowned at the 2015 Cliff Keen USA Wrestling Folkstyle Nationals in the Veterans divisions. The event was held at the UNIDome on the campus of the University of Northern Iowa in Cedar Falls.
On September 3, 2016, Hernandez won the NAGA Championships of Ireland in the Executive Expert Heavy Weight divisions in the in GI and No-Gi competitions. He won a Silver medal in the Directors division in No-Gi competition. The Championships were held at the University Sports Complex of Dublin City University in Dublin, Ireland. Hernandez now owns 47 international titles, 16 NAGA titles, 36 USA national titles in Freestyle, Greco Roman, American Folkstyle, Submission Grappling, Brazilian Jiu-Jitsu, Combat Sambo, Judo and Sport Sambo.
In July, 2017, Hernandez won two gold medals in his age group 50 & over and a bronze and 4th place competing against 20-30 years his junior in the heavyweight division at the Sunflower State Games American Folkstyle Wrestling Championships and Takedown Tournament held in the Kansas Expocenter, in Topeka, Kansas.
Hernandez was featured on a box of Wheaties Energy Crunch in December 2001. Hernandez was welcomed into the Wheaties Family by Olympic Champion Mary Lou Retton and Tiger Woods in Madison Square Garden, New York City, New York.
He was also featured in Sports Illustrated's "Faces in the Crowd" and CNN/SI "Faces in the Crowd".
Hernandez has been inducted into the Maine Sports Hall of Fame, the University of Maine at Presque Isle Athletic Hall of Fame, and the Illinois Wrestlers Hall of Fame.
Hernandez holds the distinction of being one of only two master’s division wrestlers in the country to have won gold medals in the three wrestling disciplines: Greco-Roman, Freestyle and Sombo.
Hernandez was selected by the Rotary Club of Washburn, Maine, to serve as the Grand Marshal of the 22nd Annual Washburn August Festival Parade in 2002.
In October 2008, Hernandez was featured in the Scholastic textbook publication on the state of Maine called "Maine-America the Beautiful". In the biographical dictionary 'Famous Mainers' section, he is one of 49 other Maine figures featured and one of only five athletes appearing on the pages.
Hernandez was featured in Discover Maine Magazine, “Maine's History Magazine” in 2010.
On November 4, 2010, the President of the American Sambo Association Steve Koepfer announced James "Chico" Hernandez to be the "Pioneer of American Sambo" Award winner for 2009.
The AAU Wrestling Executive Committee is proud to announce that James “Chico” Hernandez is a 2012 AAU Wrestling Hall of Fame Inductee. He is an outstanding member of the Wrestling Community selected to be in this elite group of inductees. The AAU Wrestling Committee truly values his hard work and dedication to the AAU and the sport of Wrestling.
Hernandez is a US Army Veteran of the Cold War and has also served honorably during the war eras of 1982 Lebanon War and Operation Urgent Fury (Grenada), Gulf War (Desert Shield, Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom) and the War on Terrorism. He completed his Combat Basic Training at Fort Dix, New Jersey, in March 1982. He has served as a Combat Basic Training Instructor at the United States Military Academy in 2002-2005. He has instructed at US Army Post Fort Leonard Wood, Missouri, from 1998-2002, Fort Bragg, North Carolina, from 1995-1996, Fort Lewis, Washington in 1991 and Fort Indiantown Gap, Pennsylvania, from 1992-1994. He graduated from the premier class of the Soldier Physical Fitness Academy at Fort Benjamin Harrison, Indiana, in 1983 as a Master Fitness Trainer. He graduated from the Warrior Leader Course in Fort Riley, Kansas, in 1984, the Maine Military Academy in 1996, and the Vermont Military Academy in 1997. Hernandez during his US Army career was awarded the Physical Fitness Badge of Excellence a total 26 times. In 2003 he received a Challenge coin for his “Superior Performance as an Instructor” at West Point. Hernandez has served in the US Army from 1981 to 2014. He attained the rank of First Sergeant (1SG) during his military career.