If your event produced 50 leads but zero deal movement, did it actually succeed? In 2026, the Marketing Qualified Lead (MQL) is a vanity metric; true event ROI is found in the hidden metrics. Traditional event marketing analytics prioritise quality over intent. This leads to a disconnect between the marketing spend and the sales outcome. This guide will explore the hidden metrics that define true B2B event performance, shifting the focus from the number of people in seats to how much trust you’ve nurtured.
