Synchronized telemetry comparison, track maps, and shared lap pools.
Recent Sessions
Uploaded track days and telemetry runs
Shared Paddocks
Pools of laps across drivers
Garage
Your cars and setup configurations
Paddocks
Shared lap pools for groups, track events, and cross-driver comparison.
Sessions
Recorded AiM .xrk and JSON telemetry files with attached cars and notes.
Tracks & Layouts
Manage circuit tracks, autocross venues, and GPS Start/Finish timing gates.
Garage
Track vehicles and versioned setups (tires, mods, tire pressures, and alignment notes).
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TOTAL DELTA
π Window:
β’ Drag any X-axis to slide β
π±
Mobile-First GPS Recorder
Live GPS telemetry recording is designed for mobile phones in the car or on-track. On desktop, you can configure tracks or test with the simulator below!
β οΈ Location Access Blocked
Your iPhone or browser blocked location access for this site. To unblock it:
Chrome on iOS: Tap ... (bottom right) β Settings β Content Settings β Location (turn ON).
Safari on iOS: Tap aA in the address bar β Website Settings β Location β Allow.
Recorder Setup
Select a course layout, choose an active paddock, or build a new track before heading out.
Step 1: Choose Course Option
β
π Track Mode
π Gates: GPS Auto-Detect
No paddock selected
π₯ Paddock Mode
Select an active paddock above to link its track course and automatically pool session laps into the leaderboard.
Quick Create Course Layout
π Start / Finish Gate
π¦ Start Gate (Launch Line)
π Finish Gate (Finish Line)
Step 2: Vehicle & Session Notes
Toronto Motorsports Park
π Track Modeπ₯ Paddock Auto-PoolGPS Offline
π S/F Gate: Armed
Speed
0.0km/h
Max: 0.0 Β· Avg: 0.0
CURRENT LAP 1
00:00.0
Session: 00:00
Distance
0m
Gate: Standby
Live GPS Path & Gates
π Gate: OriginPoints: 0
π°οΈTap "Start GPS Timing" (or "Test Demo Run") to begin logging.
Controls
Ready
Completed Laps0 runs
Lap
Time
Distance
Max Spd
No runs logged yet.
Upload Telemetry File
Sign In to LapDelta
Sign in with your Google account to access your garage, track sessions, and join paddock pools.
To enable Google Sign-In button, configure GOOGLE_CLIENT_ID.
π Gates Locked: This layout has recorded laps. Gate coordinates are locked to maintain timing integrity. Create a new layout to change gate coordinates.