In the Men's Varsity 8+ he also won at the Pac-12 Championships and finished second in the grand final at the Intercollegiate Rowing Association (IRA) Regatta.

He rowed in the Varsity 8+ which beat UBC & Oxford Brookes in the Windermere Cup and won Pac-12 Championships.

On 20 February 2018, van Dorp pulled an 18:13.2 (1:31/500m) 6k erg time, giving him the world record for the distance.

In 2019, van Dorp won the program's Pigott Award as the most inspirational member of the team.

He rowed in the Varsity 8+ which won races against Cornell, Marist and Oregon State at the Lake Las Vegas Invitational; beat Northeastern, Stanford and Oregon State at Redwood Shores; beat California for the Schoch Cup; won the Windermere Cup on Opening Day and earned the silver medal at IRAs.