International Motor Sports Association - 2025
7 of 7 rounds completed
IMSA 2025 Season Completed
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Use this if you want your calendar to stay in sync automatically. If events change, your calendar will update without re-downloading anything.
ICS file
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Choose this if you prefer a one-time download to import manually into your calendar app.
Download .ics (IMSA 2025)
How to import into Google Calendar
Settings → Import & Export → Import → Select File → Import
Where to paste the URL
In Google Calendar: Settings → Add calendar → From URL
Alternatively: paste the URL into your browser to download the ICS file.
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| Mobil 1 Twelve Hours of Sebring | 13 - 16 Mar |
| Acura Grand Prix of Long Beach | 11 - 13 Apr |
| TireRack.com Monterey SportsCar Championship | 9 - 11 May |
| Detroit Grand Prix | 30 - 31 May |
| Sahlen’s Six Hours of The Glen | 20 - 23 Jun |
| Chevrolet Grand Prix | 11 - 13 Jul |
| Motul SportsCar Grand Prix | 1 - 3 Aug |
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