When the event ends, what stays?

Sep 01, 2026By Belinda Moore
Belinda Moore

At the end of an event the final session wraps, the exhibition floor comes down in about ninety minutes flat, and everyone heads for the airport. Cleared so quickly it looks like nothing ever happened.

Then comes the board report. Attendance, satisfaction, surplus. Three numbers that say how the week went, and nothing at all about what it changed.

Because something did.

We’re exploring that question as part of global research for BestCities Global Alliance - because the impact of an association event rarely stops when the delegates leave.

If you work anywhere in the association events ecosystem, please take the 10-minute survey - we'd love your perspective.

Every event sends out ripples

Into the association. This is probably the one that matters most to the people running the event. For many associations, the annual event is the biggest thing they do all year - the largest revenue line, the largest volunteer effort and one of the strongest reasons members renew. Most can tell you exactly what the event cost. Far fewer can say what it changed.

Into the sector itself. Guidelines get written. Standards shift. Two researchers meet at a poster session and are still collaborating five years later. A paper comes out of it and changes practice in a dozen countries. Events are one of the places where a profession or industry argues with itself, shares what it is learning and moves forward.

Into individual careers. Someone three years into the field meets the person who changes their direction entirely. A first-time presenter goes home with a reason to stay. These things are almost impossible to measure, and among the most valuable things events do.

Into businesses. A supplier meets the client who changes their year. An exhibitor launches something new into the one room where almost everybody is a potential buyer. Employers send someone away for three days and, ideally, get a more capable and better-connected person back.

Into the host destination. Delegate spend, hotel nights and local jobs are the easiest impacts to count - and usually the ones we count most enthusiastically. But the longer story can be more interesting. A local workforce becomes better connected to global expertise. A policy conversation happens because the right people are finally in the room together. A sector gains visibility and investment. Sometimes the effects are still unfolding years after the delegates have gone home.

Into the wider world. Standards agreed in rooms like these shape practice. Positions debated at an event surface later in national policy, usually without attribution. Scholarships and hybrid access put knowledge in front of people who could never have funded the flight. And sometimes associations create one of the few places where people with very different perspectives still sit down together.

None of that fits neatly under “attendance, satisfaction, surplus”.

Plenty of talk about legacy. Not much evidence

There is no shortage of discussion about event legacy and long-term impact. It appears in bid documents, destination strategies, sponsorship decks, board papers and more than a few conference themes.

But the language has moved faster than the practice.

We don't have a clear line of sight on what's really happening.

Who has a genuine strategy and who has good intentions plus one very committed volunteer? Who is measuring long-term impact? What are they measuring? Is evidence of impact influencing funding, sponsorship or destination decisions? And what is stopping everyone else?

We hear plenty of anecdotes - funders asking organisers to demonstrate impact before they commit, boards asking sharper questions, destinations becoming much more serious about legacy.

What we don’t know is whether those examples reflect a genuine shift across the sector, or whether a handful of well-publicised cases are doing a lot of heavy lifting in industry presentations.

So rather than guess, we're asking

We are running a global survey for BestCities Global Alliance, to better understand the long-term impact of association events. The findings will be part of the conversation during the ICCA Congress in Panama in November.

If you work anywhere in the association events ecosystem, we’d love your perspective. Please take 10 minutes to share your thoughts via this link: https://www.surveymonkey.com/r/JGCYJD8 

If you tick the box at the end, I’ll send you the findings when they’re ready.

We want to hear from across the association events ecosystem - including organisations doing little or nothing in this space. If long-term impact isn’t a priority, measurement feels too hard, or it’s still sitting in the “we’ve been meaning to get to that” pile, please respond. That’s a finding, not a failure.

Research that only reaches the converted tells you nothing except that converted people are enthusiastic - which we already knew.

Questions?

If you have any questions about this project please reach out to Belinda Moore at [email protected].