Rubuta ci gaba don wannan sakin layi - A cikin 2015 Visser ya zama babban zakara na Dutch a karon farko, inda ya ci nasara a tseren mita 60 a cikin 8.12 a gasar zakarun Turai na cikin gida a Apeldoorn; an zaɓe ta don Gasar Zakarun Turai na cikin gida a Prague, duk da cewa ba ta cika ka'idodin cancantar ƙungiyar ƙasa ba. A Prague ta cancanci daga zafin jiki a kan lokaci, amma ta fadi a wasan kusa da na karshe kuma an cire ta. A waje, Visser ta inganta rikodin ta na kasa na kasa da shekaru 23 zuwa 12.97 (+1.4) a wasannin FBK a Hengelo a ranar 24 ga Mayu; mako mai zuwa, ta kasance ta 5 a cikin Hypo-Meeting tare da mafi kyawun maki 6467. Kafin gasar zakarun Turai ta U23 ta 2015
a Tallinn Visser ya kai matsayin cancanta a cikin wasanni biyar (100 m, 200 m, 100 m shinge, tsalle mai tsawo da heptathlon); ta zaɓi yin gasa a cikin shinge da tsalle mai tsawo, ta lashe tagulla a cikin shinge tare da lokacin 13.01 (-0.2).