BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Lidley//Public dates//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:london-marathon-2027-04-24-0@lidley.co.uk
DTSTAMP:20270424T000000Z
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270426
SUMMARY:London Marathon
URL:https://www.lidley.co.uk/dates/london-marathon
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-P1D
DESCRIPTION:London Marathon is tomorrow
END:VALARM
END:VEVENT
END:VCALENDAR