The IMSA WeatherTech 2026 motorsport calendar features 10 thrilling rounds of North American sportscar racing, kicking off at the iconic 12 Hours of Sebring on 18th March 2026. This premier championship showcases endurance racing at its finest, with GTP prototypes and GT machinery battling across legendary circuits from Daytona’s sister track at Sebring through to the season finale at Road Atlanta in October.
Quick Facts: IMSA WeatherTech 2026 Racing Calendar
- Series: IMSA WeatherTech SportsCar Championship
- Season Start: 18th March 2026 (12 Hours of Sebring)
- Season End: 3rd October 2026 (Petit Le Mans)
- Total Rounds: 10
- Region: North America (USA & Canada)
- How to Watch: Peacock TV (US), IMSA TV, IMSA YouTube (geo-restrictions apply)
- Best Way to Follow: The Racing Line app for complete racing timetables and notifications
When Does the IMSA WeatherTech 2026 Season Start?
The IMSA WeatherTech 2026 season begins on 18th March with the legendary 12 Hours of Sebring in Florida. This gruelling endurance classic sets the tone for the entire championship, with teams tackling the bumpy, unforgiving circuit that has defined American sportscar racing for decades. The racing calendar spans seven months, concluding with October’s Petit Le Mans at Road Atlanta.
How Many Rounds in the IMSA WeatherTech 2026 Motorsport Calendar?
The 2026 championship features 10 rounds across North America. Here’s the complete round-by-round racing timetable:
- Round 1: 12 Hours of Sebring — Sebring, USA · 18-21 March 2026
- Round 2: Grand Prix of Long Beach — Long Beach, USA · 16-19 April 2026
- Round 3: Motul Course de Monterey — Laguna Seca, USA · 1-3 May 2026
- Round 4: Detroit Grand Prix — Detroit, USA · 28-31 May 2026
- Round 5: 6 Hours of the Glen — Watkins Glen, USA · 26-28 June 2026
- Round 6: Chevrolet Grand Prix — Mosport, Canada · 10-12 July 2026
- Round 7: IMSA SportsCar Weekend — Road America, USA · 1-2 August 2026
- Round 8: Michelin GT Challenge — VIR, USA · 21-23 August 2026
- Round 9: Battle on the Bricks — Indianapolis Motor Speedway, USA · 18-20 September 2026
- Round 10: Petit Le Mans — Road Atlanta, USA · 1-3 October 2026
Several rounds share weekends with IndyCar, Porsche Carrera Cup North America, and Lamborghini Super Trofeo, making these bumper motorsport timetable weekends unmissable for racing fans.
What Time Does IMSA WeatherTech Race? Timezone Conversions
IMSA races primarily take place during US daytime and evening hours, which means varying start times for international fans. Here’s a typical race start conversion guide for afternoon sessions (2:00 PM Eastern):
- US Eastern (ET): 2:00 PM (local race time)
- US Pacific (PT): 11:00 AM
- UK (GMT/BST): 7:00 PM (GMT) / 8:00 PM (BST)
- Central Europe (CET/CEST): 8:00 PM (CET) / 9:00 PM (CEST)
- Australia Eastern (AEST/AEDT): 5:00 AM+1 (AEST) / 6:00 AM+1 (AEDT)
For precise session times automatically converted to your timezone, download The Racing Line app at trlapp.com/app. The app displays every practice, qualifying, and race session in your local time—no manual calculations required.
Where Can I Watch IMSA WeatherTech Live? Motorsport Stream Options
Catching a live racing stream of IMSA WeatherTech depends on your location. Here are the primary broadcast options:
- Peacock TV (US): Paid subscription, comprehensive coverage, geo-blocked outside USA
- IMSA TV (International): Free streaming option, geo-blocked in some regions
- IMSA YouTube (International): Free live motorsport streams, geo-blocked in certain territories
Note that broadcast availability varies by round and region. Rather than hunting across multiple platforms, The Racing Line app helps you track when sessions go live so you’re always ready to watch.
How Do I Get IMSA WeatherTech 2026 Racing Timetable Notifications?
Never miss a green flag with The Racing Line app’s Smart Notifications. Here’s why it’s the essential companion for following the IMSA WeatherTech racing calendar:
- Customisable Alerts: Set notifications for races only, or include practice and qualifying sessions
- Flexible Lead Times: Get notified 5 minutes, 30 minutes, or hours before sessions start
- Automatic Timezone Conversion: Every session displays in your local time instantly
- 220+ Series in One App: Follow IMSA alongside IndyCar, WEC, Formula 1, and hundreds more racing calendars
The app transforms how you follow motorsport. Instead of checking multiple websites or converting timezones manually, you’ll have a complete motorsport timetable in your pocket with intelligent reminders that respect your schedule.
Your Complete IMSA WeatherTech 2026 Motorsport Calendar Companion
The 2026 IMSA WeatherTech season promises spectacular racing across North America’s finest circuits. From the endurance tests at Sebring and Watkins Glen to the street-fighting action at Long Beach and Detroit, this racing calendar delivers variety and drama throughout the year.
To follow every session, get automatic timetable updates, and receive smart notifications before the action starts, download The Racing Line on iOS and Android at trlapp.com/app. With 220+ series covered, it’s the only motorsport calendar app you need for IMSA WeatherTech and beyond.