| Date |
Event |
Sport(s) |
City and Country |
| Sat 5 | 22e Rabo Kwart van Breukelen. | Triathlon | Breukelen, Netherlands |
| Sun 6 | Salomon Koning van Spanje Trail. | Running | Gulpen, Netherlands |
| Sun 6 | ATC Tijdrit Almere. | Road Cycling | Almere-Hout, Netherlands |
| Sun 6 | Wormstrong Sprint Triatlon. | Triathlon | Genk (B), Netherlands |
| Fri 11 | 9e GGZ inGeestloop. | Running | Bennebroek, Netherlands |
| Sat 12 | 2e Hunzerun. | Running | Annen, Netherlands |
| Sat 12 | 8e van Tilburg Afvalverwerking Ultraloop Steenbergen. | Running | Steenbergen, Netherlands |
| Sat 12 | 30e Nationale Lenteloop. | Running | Papendrecht, Netherlands |
| Sat 12 | Midden Drenthe Loop. | Running | Zwiggelte, Netherlands |
| Sun 13 | 8e van Tilburg Afvalverwerking Ultraloop Steenbergen. | Running | Steenbergen, Netherlands |
| Sun 13 | 16e Sdu Royal Ten. | Running | Den Haag, Netherlands |
| Sun 13 | Valkema Parkstadloop. | Running | Veendam, Netherlands |
| Sun 13 | 27e Vredestein UT-Triathlon. | Triathlon | Enschede, Netherlands |
| Sun 13 | 1e Ronde van Nijmegen. | Road Cycling | Nijmegen, Netherlands |
| Sun 13 | Rietplasloop. | Running | Emmen, Netherlands |
| Sun 13 | 28e Rondehoeploop. | Running | Ouderkerk a/d Amstel, Netherlands |
| Thu 17 | 4e Sports Planet Triathlon. | Triathlon | Westervoort, Netherlands |
| Thu 17 | 11e Nacht van Groningen. | Running | Groningen, Netherlands |
| Sat 19 | Run van Gieten. | Running | Gieten, Netherlands |
| Sat 19 | Michelin 24u van Kester Mountainbike. | Mountainbiking | Kester (B), Netherlands |
| Sat 19 | 2e GePaRo. | Road Cycling | Doetinchem, Netherlands |
| Sun 20 | 7e Vestingloop 's Hertogenbosch. | Running | Den Bosch, Netherlands |
| Sun 20 | 7e AH Kaatsheuvelse Pleinloop. | Running | Kaatsheuvel, Netherlands |
| Sun 20 | 1e Marathon Het Genieten. | Running | Oisterwijk, Netherlands |
| Sun 20 | Michelin 24u van Kester Mountainbike. | Mountainbiking | Kester (B), Netherlands |
| Sun 20 | 10e Marikenloop. | Running | Nijmegen, Netherlands |
| Sun 20 | 3e Stads Triathlon Weert. | Triathlon | Weert, Netherlands |
| Sun 20 | 14e Eiberrun. | Running | Eibergen, Netherlands |
| Wed 23 | Erfprinsloop. | Running | Den Helder, Netherlands |
| Wed 23 | Hamrikkerklaploop. | Running | Nieuwolda, Netherlands |
| Thu 24 | FBK Dubbele Mijl. | Running | Hengelo ov, Netherlands |
| Fri 25 | 11e ProfICT Hardloop-4-daagse. | Running | Apeldoorn, Netherlands |
| Sat 26 | 30e Ijsselsteinloop. | Running | Ijsselstein, Netherlands |
| Sat 26 | 11e ProfICT Hardloop-4-daagse. | Running | Apeldoorn, Netherlands |
| Sat 26 | 25e Club Fysio Therapie Triathlon Heerenveen. | Triathlon | Heerenveen, Netherlands |
| Sat 26 | Molen tot Molenloop. | Running | Garderen, Netherlands |
| Sat 26 | 4e Winkelrijk Marsdijkrun. | Running | Assen, Netherlands |
| Sun 27 | Poldertriathlon Oostkerke. | Triathlon | Oostkerke (B), Netherlands |
| Sun 27 | 11e ProfICT Hardloop-4-daagse. | Running | Apeldoorn, Netherlands |
| Mon 28 | 28e Triathlon Woerden. | Triathlon | Woerden, Netherlands |
| Mon 28 | 11e ProfICT Hardloop-4-daagse. | Running | Apeldoorn, Netherlands |
| Mon 28 | 29e Univé Drenthe Loopfestijn. | Running | Klazienaveen, Netherlands |
| Mon 28 | RoPa-run. | Running | Rotterdam, Netherlands |
| Mon 28 | Klimmen voor Right to Play. | Road Cycling | Maarn, Netherlands |
| Wed 30 | 5e Van Station tot Stationloop. | Running | Ommen-Dalfsen, Netherlands |
| Thu 31 | 3e Bekkema Run. | Running | Harkstede, Netherlands |
MAY 2012