TrackDay Pro 4+

The track day lap-timer by track day riders, for track day riders (and drivers!)

The customer feedback about racing leathers interfering with the GPS signal is correct! You *must* mount your iPhone externally to capture a good GPS signal while *riding* at the track. Details are provided on the GPS Accuracy screen accessed via the Support & Feedback menu selection.

- Capture GPS data, then automatically compute lap times for each of your sessions on the track.
- Download our tracks for FREE, have the app "learn" the track from your session data, or create your own track using the built-in track editor.
- With Track view, analyze the raceline before you head out onto the track; back in the paddock, analyze your session results.
- Email a CSV file of raw GPS data for the selected session for further analysis outside the app.
- 270+ track configurations around the world and counting! Don't see the track you're looking for? Tell us and we'll add it!!

Here are just a few of the tracks we feature:

Anglesey International
Aragon
Arizona Motorsports Park
Arroyo Seco Raceway
Auto Club Speedway
Autobahn Country Club
Autodromo Fazenda Capuava
Autodromo Jose Carlos Pace (Interlagos)
BIR
Barbagallo Raceway
Barber Motorsports Park
Baskerville Raceway
Bedford Autodrome
Blackhawk Farms Raceway
Brands Hatch
Brno Circuit
Bugatti Circuit
Buttonwillow Raceway
Cadwell Park
Carolina Motorsports Park
Castle Combe Circuit
Charlotte Motor Speedway Road Course
Chuckwalla Valley Raceway
Circuit Mont-Tremblant
Circuit de Catalunya
Circuit de Valencia
Circuit de la Sarthe
Circuit of the Americas
Circuito Estoril
Circuito de Jerez
Daytona International Speedway
Donington Park
Dubai Autodrome
Eagles Canyon Raceway
Firebird International Raceway
Gateway Motorsports Park
GingerMan Raceway
Goodwood Circuit
Grattan Raceway
Harris Hill Road
Heartland Park Topeka
Homestead-Miami Speedway Road Course
Honda Grand Prix of St. Petersburg
Iowa Speedway Road Course
Isle of Man TT
Jennings GP
Kirkistown Circuit
Kyalami Grand Prix Circuit
Las Vegas Motor Speedway
Lime Rock Park
Losail International Circuit
MSR Houston
Mallory Park Superbike Circuit
Manfeild Autocourse
Mazda Raceway Laguna Seca
Mid-America Motorplex
Mid-Ohio Sports Car Course
Miller Motorsports Park
Misano World Circuit
Monticello Motor Club
Motorsport Park Hastings
MotorSports Ranch Cresson
Mount Panorama Circuit Bathurst
Mugello Circuit
NCCAR / NCBike
NJMP
NOLA Motorsports Park
Nashville Superspeedway Road Course
Nelson Ledges Road Course
New Hampshire Motor Speedway Road Course
Nuerburgring Nordschleife and F1 Circuit
Oulton Park Circuit
Pacific Raceway Road Course
Palm Beach International Raceway
Phakisa Freeway F1 Track
Phillip Island Grand Prix Circuit
PittRace (BeaveRun) North Track
Pocono Raceway
Portland International Raceway
Putnam Park Road Course
QLD Raceway
Red Star Raceway
Road America
Road Atlanta
Rockingham Motor Speedway Road Course
Roebling Road Raceway
Sachsenring Circuit
Sebring International Raceway
Sentul International Circuit
Sepang International Circuit
Serres Racing Circuit
Silverstone Circuit
Snetterton
Sonoma Raceway
Spring Mountain 2.2
Summit Point Motorsports Park
Suzuka Circuit
Sydney Motorsports Park
Symmons Plains Raceway
TT Circuit Assen
Talladega Gran Prix Raceway
Taupo Motorsport Park
Teretonga Park Raceway
Texas World Speedway
Thunderhill Raceway Park
Timaru International Motor Raceway (Levels)
Twin Ring Motegi
VIR
Vereeniging Kart Circuit
Wakefield Park
Watkins Glen International
Willow Springs
Winton Motor Raceway
Yas Marina Circuit
Zwartkops Raceway and Kart Circuit

Continued use of GPS running in the background can dramatically decrease battery life.

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