He competed in the USGPRU National Series and select WERA West, AFM, CCS SW and OMRRA races.
At the age of 11, Lenz became the youngest licensed Expert racer in CCS (Championship Cup Series) history.
[4] After the first two rounds, Lenz was leading the USGPRU (United States Grand Prix Racers Union) West Coast 125GP and 250GP class championships.
[5] Mid-season Lenz crashed into a tire wall[6] at Portland International Raceway (PIR) on May 31, 2009, due to mechanical failures.
The accident effectively ended Lenz's 2009 season and his run at the USGPRU 125GP and 250GP motorcycle road racing national championships.
[8] He finished the season taking 4th Overall in the Junior division of OMRRA (Oregon Motorcycle Road Racing Association).
In 2006 Lenz rode a full season with OMRRA and joined Portland, Oregon, based FNB Racing.
In March he traveled to France, to visit the BMS factory, and Spain where he placed 4th and 6th in an internationally attended pocketbike race.
He also ran the Can-Am Mini Motorcycle Roadracing Championship Series[11] in which he won four National Champion titles.
He raced his RS125 for the first time with WERA at Las Vegas Motor Speedway finishing in second place, five tenths of a second off the track record.
[15] On May 31, 2009, Lenz suffered a brake failure and hit tire barriers at the Portland International Raceway (PIR).
Paramedics immediately placed Lenz into a cervical collar, intubated him, performed cardiopulmonary resuscitation and rushed him to the Methodist Hospital of Indianapolis, where he was later pronounced dead, due to his injuries.