1987 The founders
| Austria | Seefeld |
Internationaler 3- Tage Einhornmarsch |
| Belgium | Blankenberge | New Balance Two days marches of Flanders |
| Danmark | Viborg | Haervejsmarchen |
| Luxembourg | Diekirch | Marche Internationale de Diekirch |
| Ireland | Castlebar | Castlebar Int. Four-days walks |
| Japan | Higashimatsuyama | Int. Three-days March |
| The Netherlands | Nijmegen | Int. Vierdaagse afstandsmarsen |
| Switzerland | Bern | Schweizerischer Zwei-Tage-Marsch |
1990
| United Kingdom | Wellingborough | International Waendel walk |
1991
| Norway | Verdalsora | Sagamarsjen |
1994
| Chinese Taipei | Taipei | Two days Happiness March |
1996
| Czech | Brno | Kudrna Two-days march |
| Germany | Fulda | Zwei-Tage Wanderung |
| New Zealand | Rotorua | International Two-days walks |
1997
| Australia | Canberra | Canberra Walking Festival |
| Canada | Victoria | Blossom walk, cancelled |
| Finland |
Vaasa |
Vaasan Marssi |
| Indonesia | Jogjakarta | Jogjakarta, cancelled |
| Korea | Won-Ju | Int. Two-Days Walk Won-Ju |
| USA | Vancouver |
Discovery Walks, canceled |
| USA | Winston Salem | Two days Walk, cancelled |
2000
| Israel | Gilboa | Two days march of Gilboa |
2001
| Italy | Arenzano | Two-days march Mare e Monti |
2004
| France | Chantonnay | Les 4 jours de Chantonnay |
2006
| China | Dalian | International Walking festival |
| USA | Arlington | US Freedom Walk Festival |
2007
| Spain | Barcelona | Caminada Internacional de Barcelona , has cancelled its IML membership |
2009
| Japan | Yatsushiro City | Kyushu International Three-days March |
2011
| Sweden | Boras | Linnemarschen |
2013
| China | Beijing | Beijing International Mountain Walking |
| Indonesia | Yogyakarta | The Jogja International Heritage Walk |
2014
| Lithuania | Jurbarkas | Baltic Walking Association |
2019
| USA | San Antonio | Texas Trail Roundup |
2021
| Spain | Marbella | International 4 days walking event in Marbella , has cancelled its IML membership |
2022
| Croatia | Gospic | Croatian Walking Festival |