The 2025 Lime Rock Park 100 was the 9th stock car race of the 2025 ARCA Menards Series, and the 1st iteration of the event. The race was held on Saturday, June 28, 2025, at Lime Rock Park in Lakeville, Connecticut, a permanent asphalt road course. The race took the scheduled 68 laps to complete. Thomas Annunziata, driving for Nitro Motorsports, would recover from a first-lap, first-corner spin with Brent Crews, driving for Joe Gibbs Racing, and took the lead from Lawless Alan, driving for Venturini Motorsports, with 33 laps to go to earn his first career ARCA Menards Series win in his fifth start. To fill out the podium, Alon Day and Alan, both driving for Venturini Motorsports, would finish 2nd and 3rd, respectively.
Crews, who was also recovering from his first-lap spin, started 2nd alongside Annunziata on a late restart with 18 laps to go. As he was battling Annunziata for the race lead, ARCA officials ruled that Crews had jumped the restart and was forced to pit. He was relegated to a 6th-place finish.
The first and only practice session was held on Friday, June 27, at 2:30 PM EST, and would last for 60 minutes. Brent Crews, driving for Joe Gibbs Racing, would set the fastest lap of the session, with a time of 54.482, and a speed of 97.662 mph (157.172 km/h).
Qualifying was held on Friday, June 27, at 3:45 PM EST. The qualifying procedure used is a multi-car, multi-lap based system. All drivers will be on track for a 20-minute timed session, and whoever sets the fastest time in the session will win the pole.
Thomas Annunziata, driving for Nitro Motorsports, would score the pole for the race, with a lap of 54.193, and a speed of 98.182 mph (158.009 km/h).