Buuxi weedha soo socota: Ka hor inta uusan bilaabin xilli ciyaareedkiisii ugu horreeyay ee Purdue, bishii Juun 18, 2015, Swanigan waxaa lagu dhawaaqay inuu xubin ka yahay 12-ka nin ee 2015 USA Basketball Men's U19 World Championship Team
2015 FIBA Under-19 World Championship oo ku guuleysatay billad dahab ah magaalada Heraklion, Crete. Isagoo ka hadlaya ku biirista kooxda, Swanigan wuxuu yiri, "Waxaan had iyo jeer u dejiyaa yoolal naftayda. Waxaan u dejiyay yoolalka gu'ga. Mid ka mid ah hadafyadeyda waa in aan kooxdaan ka qeyb galo si aan u dhameeyo xirfadeyda dugsiga sare". Si loogu diyaariyo ciyaaraha, Swanigan wuxuu ka ciyaaray Nike Hoop Summit, McDonald's All American Game, iyo Jordan Brand Classic. Swanigan ma uusan ka qeyb qaadan ciyaarta Indiana-Kentucky All Star Game si uu uga qeyb galo xerada tababarka ee U19. Wuxuu ka mid ahaa shan ciyaartoy oo ka soo laabtay kooxda U17 ee ku guuleysatay billad dahab ah. Saaxiibkii Swanigan ee Vince Edwards ayaa sidoo kale ku jiray tartanka si uu ugu biiro kooxda, laakiin waxaa laga saaray wareegga 16-ka. Kooxda ayaa dhameysatay 7<unk>0, Swanigan wuxuu celcelis ahaan helay 6.1 dhibcood iyo 4.4 dib u soo celinta ciyaar kasta.