iRacing telemetry analysis

Porsche 911 GT3 R telemetry analysis at Algarve

Compare measured laps section by section, then connect the time difference to the racing line, braking, throttle and steering inputs.

Session reference1:46.910Lap 4

Your next improvements

Learn the lap section by section

Choose a section to focus the racing line, coaching and reference video on the same part of the lap.

Brake red · coast yellow · throttle green

See the markers and line

2:43 to 3:25

Understand the difference

See what changed around the lap

Sector 1+0.352 s
Sector 2+0.264 s
Sector 3-0.069 s

Lap delta

Positive values mean lap 1 is behind lap 4 at that point.

Lap 1 to lap 4
0.91 s0.64 s0.38 s0.11 s-0.15 sStart4.58 km

Speed over distance

Compare entry, minimum and exit speed at the same place on the track.

Lap 4Lap 1
276 km/h218 km/h159 km/h100 km/h42 km/hStart4.58 km

Brake and throttle

Pedal inputs from lap 1, aligned with the racing line and delta.

BrakeThrottle
100 %75 %50 %25 %0 %Start4.58 km

Steering input

Compare rotation timing and extra corrections.

Lap 4Lap 1
213 deg110 deg7 deg-95 deg-198 degStart4.58 km

Engine speed

Check shift timing and recovery after minimum speed.

Lap 4Lap 1
9777 rpm8462 rpm7148 rpm5834 rpm4519 rpmStart4.58 km

Gear selection

See where each shift happened around the lap.

Lap 4Lap 1
6 5 3 2 0 Start4.58 km

Lateral acceleration

Compare cornering load through each section.

Lap 4Lap 1
2 g1 g-0 g-1 g-3 gStart4.58 km

Longitudinal acceleration

See where the car is slowing and building speed.

Lap 4Lap 1
1 g0 g-1 g-2 g-3 gStart4.58 km

Session note: lap 4 is the fastest recorded lap in this session and includes an incident. It is a comparison lap, not an ideal lap.

DEEPER SESSION ANALYSIS

Find the time in every lap

Compare lap progression, input ranges and section deltas to see where pace changed and what you can repeat.

Lap progression

Every recorded lap

Reference lap 4
Lap 1
1:47.451Incident
Lap 2
1:47.360Incident
Lap 3
1:47.558Incident
Lap 4
1:46.910Reference
Lap 5
1:47.623Incident
Lap 6
1:46.976Incident
Lap 7
1:47.917Incident
Channel ranges

Measured inputs and outputs

684 plotted samples
Speed684 samples
57.9 km/h172.0 km/h average260.2 km/h
Throttle684 samples
0.0 %75.0 % average100.0 %
Brake684 samples
0.0 %7.9 % average100.0 %
Steering684 samples
-169.6 deg-8.3 deg average184.8 deg
Engine speed684 samples
4596 rpm7653 rpm average9414 rpm
Gear684 samples
04 average6
Lateral acceleration684 samples
-2.3 g-0.2 g average2.1 g
Longitudinal acceleration684 samples
-2.4 g0.0 g average0.9 g
Section comparison

Where each lap gained or lost time

Compared with the session reference
SectionLap 1Lap 6
Turn 1 double apex+0.167 s+0.038 s
Turn 3 and the crest+0.163 s+0.136 s
Downhill braking and traction-0.048 s-0.064 s
Double right and rear stability-0.074 s-0.033 s
Blind crest+0.335 s+0.144 s
Sector 3 technical sequence+0.054 s-0.238 s
Final corner-0.078 s+0.051 s