Jack Green (athlete) Jack Green (athlete) Jack Green (born 6 October 1991) is a British sprint athlete who specialises in the 400m distance, along with the hurdles and the 4 × 400 m relay. He competed for the Great Britain team at the 2012 Summer Olympics in London and at the 2016 Summer Olympics in Rio de Janeiro. Since late 2010, Jack Green has trained with Malcolm Arnold at the University of Bath alongside fellow hurdler Dai Greene. At the 2011 World Championships, he finished fifth in his semi-final, a performance he described as "embarrassing, a waste of my time and the team's
Jeff Henderson (athlete) Jeff Henderson (athlete) Jeffrey Henderson (born February 19, 1989) is an American track and field athlete who competes in the long jump and 100 meter dash. He has a personal record of for the long jump by winning the 2015 Pan Am Games gold medal. Other top results include becoming the 2014, 2016 and 2018 USA Outdoor national long jump champion, and is a member of the United States 2010 and 2014 IAAF World Indoor Championships teams. On August 13, 2016, Jeff Henderson came through on his final jump to claim the gold medal in the men's long jump at