His racing career started in 2010, where he competed in IRS Supersport 600cc class. In his maiden season, he achieved 4th in the final standings, 5th in 2011, and concluded his national level career as a runner-up in 2012.
Suzuka 4 & 8 Hours
Dimas won the 2013 Suzuka 4 Hours race together with fellow Indonesian rider Iswandi Muis, both riding a Honda CBR600RR bike from Astra Honda Racing Team. He had also participated in the higher class, Suzuka 8 Hours between 2014 and 2017. He raced for Honda Team Asia, aboard a Honda CBR1000RR together with Australian Joshua Hook and Malaysian Mohamad Zamri Baba in his first participation of the event where the trio finished 7th overall. The 2015 race saw a major change to the team as they replaced Dimas' partners with Azlan Shah Kamaruzaman from Malaysia, and Thai rider Ratthapong Wilairot. They completed the race in the 18th position. For the 2016 event, the team replaced Azlan with Zaqhwan Zaidi and finished 8th, an achievement that was repeated for the following year with the same line-up.
From the year 2012 to 2016 he raced in Asia Road Racing Championship in the Supersport 600cc class as a full-time rider, also with Astra Honda Racing Team, and a one-off appearance at 2017 Indonesian Round at Sentul which he won the first race. During his time in the class, he earned the BestRookie of The Year in his first season, having finished the championship in 6th position. His best ranking position ever was 5th in the 2015 season.
Between 2015 and 2018 Dimas competed in the FIM CEV Moto2 European Championship with Astra Honda Racing Team. His best overall result was 5th in 2018 season, and a total of 2 podium finishes in Catalunya race 1 in 2017 season and race 1 Albacete round in 2018.
He made his Grand Prix racing debut as a wildcard at the Malaysian GP in 2017 at Sepang International Circuit. Unfortunately, he was unable to finish the race as he was involved in a crash. A year later, at the same circuit, he was called up by Tech 3 to replace their regular rider, Bo Bendsneyder, who was absent due to injury. Dimas completed the race in 23rd position. He also participated in 2018 Catalan motorcycle Grand Prix as a wildcard, where he finished in 24th position. He secured a full-season contract to race in the 2019 Moto2 season for Hiroshi Aoyama's IDEMITSU Honda Team Asia. In Spanish round at Circuito de Jerez, he was accidentally ran over by other rider in the beginning of the race after crashing, and did not make restart. Later, during Free Practice 1 for TT Assen, he crashed heavily and suffered concussions where he was confirmed unfit for the race. He participated in the next two rounds, but also withdrew after taking part in the Free Practice sessions. He was also absent for 4 rounds due to recovery from his injuries and was replaced by Teppei Nagoe at Red Bull Ring and Silverstone, Andi Farid Izdihar at Misano round, and Gerry Salim at Aragon. He made his comeback after 4 months absent at Buriram and reached his best result of the season at Sepang as he finished 18th. His contract was not renewed and he was replaced by Farid for 2020 season.
Personal life
Dimas is married and has a daughter who was born in 2018. His nickname is "Red Forehead".
