2008

In 2008, Herlings won the 85cc FIM Junior Motocross World Championship, & the 85cc European Motocross Championship.

2009

2009 saw Herlings finish 2nd in the 250cc European Motocross Championship and 3rd in the MX2 Dutch open championship.

2016

Herlings' last season in MX2 class was in 2016. Herlings delivered a stellar performance throughout the season, showcasing incredible speed and consistency. Despite facing challenges, he secured multiple race victories and dominated the competition. Herlings ultimately won his third MX2 World Championship title, marking a triumphant conclusion to his MX2 career before moving on to compete in the premier MXGP class.

2017

In 2017, Jeffrey Herlings debuted in the MXGP class and finished second overall to Antonio Cairoli in the championship standings. Despite not securing the top spot, Herlings still demonstrated impressive riding skills and achieved notable successes throughout the season.

2018

Coming off an impressive 2017 MXGP debut season where he finished 2nd to Antonio Cairoli, Herlings was dubbed by many to dethrone the 9x world champion.

Herlings dominated the MXGP class that year. 20 rounds were contested, Herlings raced 19, won 17 rounds and finished 2nd twice. This is the most Grand Prix’s any rider has won in a season. He finished the season with 933 points, from which 1,000 were obtainable. This granted Herlings’ maiden MXGP class title.

2019

The 2019 season saw Herlings unable to defend his title due to injury sustained to his foot in January of that year. He missed the first 7 rounds but during moto 2 at round 9 in Latvia, he broke his right ankle after a rider rode over it from a crash, during a sighting lap.

He returned for the final 3 rounds where he finished 12th, 1st & 1st.

Later in the year, Herlings was a member of the winning Dutch team at the 2019 Motocross des Nations event that included Glenn Coldenhoff and Calvin Vlaanderen. Their victory marked the first Dutch win in the 73-year history of the Motocross des Nations.^[5]

2020

During the 2020 FIM Motocross World Championship he won four of the first six rounds. At round 6 in Citta di Faenza, he crashed during practice and was virtually paralyzed for about 30 minutes before regaining control of his body.^[6] In October, Herlings decided to not finish the season to recover from his fall in Italy as well as a previous foot injury.^[7]

2021

In 2021 Herlings missed one round after Kawasaki rider Ivo Monticelli landed his bike on his shoulder, fracturing his scapula but not preventing his race victory or stopping him from winning the 2021 MXGP World Championship. He won 9 Grand Prix’s and finished the season 5 points ahead of Romain Febvre. This was his 2nd MXGP world title.

2022

Herlings sat out the entirety of 2022 after suffering a foot injury. He also considered racing the AMA Pro Motocross Championship but opted against it, in order to allow previous injuries to recover fully.

2023

At round 5 in Agueda, Portugal; Herlings gained his 101st Grand Prix victory which put him on par with 10-time champion, Stefan Everts. The following round at Intu Xanadu, Spain; Herlings broke Stefan Everts record of 101 Grand Prix wins by winning his 102nd.

During MXGP race 1 at round 9 in Germany, Herlings crashed and fractured his C5 vertebrae whilst battling for the lead. This put an end to his championship aspirations for 2023.

During practice at round 16 in Arnhem, Netherlands. Herlings fell and suffered a collarbone fracture, once again sidelining him for the foreseeable future.