2025 Circuit of the Americas R1 R2 IM1A IM1 S1 IM2A IM2 S2 IM3A S3

Circuit of the Americas - R1

2025-04-26

SHIFT OPTIMIZATION

Field Performance Summary

Winner Score

64.9/100

#1 ranked driver

Average Score

61.2/100

Last Place Score

46.2/100

Lowest ranked

Drivers Analyzed

Shift Optimization Leaderboard

Ranked by lap count, then average score

Rank	Driver	Score	Avg Shift RPM	Power Band %	Rev Limiter Hits	Early Shifts	Laps
#1	Ethan Goulart #72 • TechSport	64.9	5973	84.5%	7	282	20
#2	Tom Rudnai #8 • Eagles Canyon Racing Powered by Fast Track	64.1	5840	84.2%	2	289	20
#3	Jenson Sofronas #41 • Copeland Motorsports	63.6	6074	83.7%	26	252	20
#4	Livio Galanti #89 • Eagles Canyon Racing Powered by Fast Track	63.5	5849	81.6%	4	245	20
#5	Beltre Curtis #5 • Copeland Motorsports	63.4	5928	81.9%	12	296	20
#6	Jason Kos #3 • Eagles Canyon Racing Powered by Fast Track	63.2	5895	81.1%	6	256	20
#7	Zach Hollingshead #88 • PT Autosport with Copeland Motorsports	63.0	6063	82.1%	16	245	20
#8	Ethan Tovo #113 • Nitro Motorsports	62.7	6123	83.1%	38	234	20
#9	Andrew Gilleland #86 • Eagles Canyon Racing Powered by Fast Track	62.6	5940	81.3%	25	273	20
#10	Ayden Kirk #47 • TechSport	62.4	5408	82.4%	4	170	20
#11	Jeff Curry #57 • Eagles Canyon Racing Powered by Fast Track	62.2	5844	81.6%	11	285	20
#12	Patrick Brunson #93 • Eagles Canyon Racing Powered by Fast Track	60.8	6134	80.0%	46	245	20
#13	Max Schweid #98 • TechSport	60.8	5786	75.3%	17	246	20
#14	Mike Lamarra #73 • Precision Racing LA	60.7	5471	74.2%	2	190	20
#15	Alex Garcia #14 • Skip Barber Racing	60.6	5925	74.2%	13	255	20
#16	Westin Workman #13 • BSI Racing	59.8	5962	75.2%	35	246	20
#17	Lucas Weisenberg #46 • Lucas Racing	59.7	5978	77.2%	52	232	20
#18	Spike Kohlbecker #55 • RVA Graphics Motorsports by Speed Syndicate	59.1	5877	75.5%	39	278	20
#19	Ford Koch #21 • Copeland Motorsports	58.7	5822	71.3%	37	232	20
#20	John Dean #16 • Copeland Motorsports	58.7	5736	74.3%	26	243	20
#21	Rutledge Wood #18 • Precision Racing LA	58.4	5830	68.3%	5	220	20
#22	Paityn Feyen #80 • Nitro Motorsports	58.0	6308	76.8%	82	204	20
#23	Ethan Ayars #78 • Nitro Motorsports	60.8	5804	76.8%	23	190	17
#24	Jackson Tovo #31 • Nitro Motorsports	61.8	5722	79.1%	10	200	16
#25	Massimo Sunseri #51 • BSI Racing	64.3	6346	85.8%	25	195	14
#26	Christian Weir #71 • TechSport	61.3	5946	76.3%	21	269	13
#27	Farran Davis #11 • RVA Graphics Motorsports by Speed Syndicate	65.5	6203	87.9%	12	156	12
#28	Jaxon Bell #7 • Copeland Motorsports	63.9	6323	82.8%	19	108	9
#29	Brett Kowalski #15 • TechSport	61.9	5724	75.6%	0	85	7
#30	Will Robusto #2 • RVA Graphics Motorsports by Speed Syndicate	46.2	5195	31.7%	0	11	2

Why Shift Optimization Matters

In a spec GR86 series, everyone has the same engine—so optimizing shift points can eke out a few tenths on straights and exits. Being in the right gear at the right time ensures the engine is delivering maximum power to the wheels.

Shift too early (before 7,000 RPM) and you drop the engine into a weaker part of the power band, losing acceleration. Shift too late (beyond 7,200 RPM or hitting the limiter) and the engine's power has peaked—you're just making noise without added thrust.

The GR86's 2.4L engine has peak power around 7,000 RPM and peak torque at 3,700 RPM. Proper gear selection means maintaining optimal power delivery: staying in the 5,000-7,100 RPM power band on straights, and avoiding lugging below 3,700 RPM on corner exits where the car will feel flat.

Every bit of acceleration gained is time gained—especially when horsepower is limited. Mastering shift points and gear selection can translate to better exit speed, improved straight-line performance, and ultimately, quicker lap times.