Free to use — No signup required

Plan your perfect line

Draw racing lines, mark braking points, and master every corner. The track editor built for karters who want to improve.

ApexKit Lines editor showing a racing line on a karting track with braking zones and apex markers

Everything you need to study the track

Built by karters, for karters. No bloat, just the tools that actually help you go faster.

Draw Racing Lines

Trace your ideal line through every corner. Dry line, wet line, overtaking alternatives — layer them all.

Mark Key Points

Drop markers for braking zones, turn-in points, and apex targets. Build your mental map of the track.

Pre-Built Tracks

Start with accurate layouts of popular karting circuits. Or draw your own from scratch.

Export & Share

Download as PNG or PDF. Share with teammates, coaches, or post to your racing community.

Visual Annotations

Add notes, number your corners, highlight problem areas. Your track, your system.

Multiple Layers

Separate your track, racing line, and annotations. Toggle visibility, adjust colors, stay organized.

Start in seconds

No account needed. Just open and draw.

1

Choose a track

Pick from our library of pre-built circuits or start with a blank canvas to draw your own.

2

Draw your line

Trace the racing line you want to practice. Mark braking points, apexes, and exit curbs.

3

Study & share

Review before your session, share with your coach, or compare with faster drivers.

Ready to find the perfect line?

Free to use. No signup. Just fast laps.

Launch Editor