Son of mountain bike legend John Tomac, Eli became the first racer to win the first pro race he entered, the 2010 Lucas Oil Pro Motocross season opener at Hangtown. With a 250 Class titles in both Supercross and motocross already under his belt, the multi-time amateur national champion is one of the fastest riders in the sport right now.
2014 - Opting to switch to a single-digit career number after his 250MX championship, Tomac chose #3 for his bike. He moved up to the 450 Class and, although injuries caused him to miss a lot of time, he was very competitve upon making his premier class debut in the Lucas Oil Pro Motocross Championship. He earned his first career 450MX win at Spring Creek.
2013 - Allowed to choose a career number for the first time, Tomac elected to stick with the number that adorned his bike in 2012, #17. Tomac saw the 250 West Supercross title slip away as Ken Roczen grabbed the championship, but the GEICO Honda rider bounced back during the Lucas Oil Pro Motocross Championship. Although he would not grab the points late until Round 9 of the series, Tomac held on to it the rest of the way to secure his first-career championship outdoors.
2012 - Tomac's progression continued, as he captured his first Supercross championship by dominating the 250SX West Region. The GEICO Honda rider won 5 out of 9 races and only once finished outside the top four. During the Lucas Oil Pro Motocross season, Tomac brought home 4 overall wins, including 1-1 sweeps at Freestone and Steel City, and finished 3rd in points behind Blake Baggett and GEICO Honda teammate Justin Barcia.
2011 - In his rookie Supercross season, Tomac won 2 races, finished on the podium 6 times, and fell just 6 points shy of the West Region title. The sledding was tougher in the 250MX Class, which was dominated by the Pro Circuit trio of Wilson, Rattray and Baggett. Tomac was unable to capture a moto win, but did finish 2nd in 3 of the season's final 7 motos. He finished 4th overall in points, an improvement from his 6th-place finish the previous year.
2010 – Tomac became the first rider in history to win his professional debut, taking the checkered flag at Hangtown as a a member of the GEICO Honda team. Throughout the year, he earned ten top-10 finishes in 12 starts in 250MX.