$def with (event, courses)
Event name: $(event.name if event is not None else '')
Event date: $(event.date.isoformat() if event is not None else '')

$for course in courses:
Name Length Climb Controls
$course.name $(str(round(course.length)) if course.length is not None else '') $(str(round(course.climb)) if course.climb is not None else '') $' - '.join(course.controls)