🇺🇸 US Premier Marathons & Endurance Milestones 2026-2027
Race calendar for premier US marathons and half-marathons: NYC Marathon, Chicago, Boston, Marine Corps Marathon, California International Marathon (CIM), Los Angeles Marathon, and Walt Disney World Marathon.
Upcoming Events Preview
- 🏃 Bank of America Chicago Marathon 2026 Oct 11, 2026
- 🎖️ Marine Corps Marathon (MCM) 2026 Oct 25, 2026
- 🏃 TCS New York City Marathon 2026 Nov 1, 2026
- ⚡ California International Marathon (CIM) 2026 Dec 6, 2026
- 🏰 Walt Disney World Marathon 2027 Jan 10, 2027
- 🌴 Los Angeles Marathon 2027 Mar 21, 2027
- 🏃 131st Boston Marathon 2027 Apr 19, 2027
How to Sync This Calendar
🍎 Apple Calendar (iPhone, iPad, Mac)
Tap "Subscribe" to add the Webcal feed. Matches and dates update automatically in the background.
🌐 Google Calendar (Android & Web)
Click "Add to Google Calendar" or copy the .ics feed URL and paste it under Settings > Add calendar > From URL.
💼 Outlook / Office 365
In Outlook web, select Add Calendar > Subscribe from web and paste the .ics link.
Frequently Asked Questions
Is this calendar feed free to use?
Yes, all public Butler marketplace calendars are 100% free to subscribe to via standard ICS/iCal format.
Does this calendar update automatically?
Yes. When fixtures, school terms, or dates change, your calendar app refreshes and updates them automatically.
Can I sync this with the Butler family app?
Yes! Butler can auto-sync this feed and proactively schedule family prep to-dos, rides, and reminders before each match or event.