[[Berkas:Giardelli_World_Championship_2018.jpg|jmpl|Giardelli memimpin grup selama [[Balap gokar|Kejuaraan Dunia Karting 2018]].]]Giardelli memulai karirnya pada tahun 2012. <ref>{{Cite web|url=https://www.driverdb.com/championships/standings/easykart-italy---60-cc/2012/|title=Trofeo Nazionale Easykart - 60cc 2012 standings|last=|first=|date=|website=www.driverdb.com|access-date=2020-04-18}}</ref> Sejak itu ia telah memenangkan berbagai kompetisi dan penghargaan nasional dan internasional.<ref>{{Cite web|url=https://www.driverdb.com/drivers/Alessandro-Giardelli/|title=Alessandro Giardelli career statistic|last=|first=|date=|website=www.driverdb.com|access-date=2020-04-18}}</ref> Hasilnya termasuk tempat pertama di kejuaraan Italia,<ref name=":1">{{Cite web|url=http://colico.netweek.it/notizie/speciali-attualita-e-costume/colico-alessandro-giardelli-e-campione-italiano-br-successo-per-un-giovane-pilota-della-lario-motor-sport-br-3993410.html|title=COLICO:Alessandro Giardelli é campione italiano Successo per un giovane pilota della Lario Motor Sport|website=colico.netweek.it|access-date=2020-04-18}}</ref> tempat ketiga di WSK Night Edition,<ref>{{Cite web|url=http://www.leccotoday.it/sport/kart-adria-lario-motorsport-racing-team-alessandro-giardelli-terzo.html|title=Kart: podio per Giardelli alla WSK Night Edition in Adria|website=LeccoToday|language=it|access-date=2020-04-18}}</ref> tempat kedelapan<ref>{{Cite web|url=https://www.stopandgo.tv/news/wsk-cik/it/wsk-champions-cup-giardelli-subito-promosso-in-okj-l8a-posizione-e-una-buona-base-per-il-futuro.html|title=WSK Champions Cup – Giardelli subito promosso in OKJ: “L’8a posizione è una buona base per il futuro!”|last=Stop&Go Communcation|date=2016-02-09|website=Stop&Go|language=it-IT|access-date=2020-04-18}}</ref> dan tempat kelima<ref>{{Cite web|url=http://www.sondriotoday.it/sport/wsk-champions-cup-giardelli-torna-da-adria-con-una-grande-rimonta-e-un-po-di-rammarico.html|title=WSK Champions Cup, Giardelli torna da Adria con una grande rimonta e un po' di rammarico|website=SondrioToday|language=it|access-date=2020-04-18}}</ref> di WSK Champions Cup, tempat keempat di WSK Final Cup,<ref>{{Cite web|url=http://www.wskarting.it/results/FC/2017/Round1/kz2_15.pdf?update=35|title=WSK Final Cup Result|website=www.wskarting.it|access-date=2020-04-18}}</ref> tempat pertama di Rok Cup Italy,<ref>{{Cite web|url=http://www.kgtmotorsport.com/news/109-rok-cup-italia-2015-gioie-e-dolori.html|title=ROK CUP ITALIA 2015 "Gioie e Dolori" - KGT Racing Team - Il Team Campione Italiano e Campione del Mondo|website=www.kgtmotorsport.com|access-date=2020-04-18}}</ref> tempat kelima di Rok Cup International Final,<ref>{{Cite web|url=https://www.driverdb.com/championships/standings/rok-cup-international-final---junior-rok/2015/|title=ROK Cup International Final - Junior ROK 2015 standings|last=|first=|date=|website=www.driverdb.com|access-date=2020-04-18}}</ref> kelima di Trofeo Margutti,<ref>{{Cite web|url=https://www.leccotoday.it/sport/lario-motorsport-grande-prestazione-al-trofeo-margutti.html|title=Lario MotorSport, grande prestazione al Trofeo Margutti|website=LeccoToday|language=it|access-date=2020-04-18}}</ref> tempat kedua di Trofeo delle Industrie,<ref>{{Cite web|url=http://www.leccotoday.it/sport/lario-motorsport-trofeo-industrie-gianluca-beggio.html|title=Kart: grande performance del Lario Motorsport al 45° Trofeo delle Industrie|website=LeccoToday|language=it|access-date=2020-04-18}}</ref> tempat pertama 500 mil ke Granja Viana,<ref>{{Cite web|url=https://pl.motorsport.com/karting/news/karting-z-gwiazdami/4615737/amp/|title=Massa i Di Grassi na podium|website=pl.motorsport.com|language=pl|access-date=2020-04-18}}</ref><ref>{{Cite web|url=https://f1mania.lance.com.br/outros/kart/america-net-car-racing-ktf-e-bicampea-das-500-milhas-de-kart-e-vence-nas-3-categorias/|title=America Net Car Racing KTF é bicampeã das 500 Milhas de Kart e vence nas 3 categorias|last=|first=|date=2019-12-22|website=F1Mania|language=pt-BR|access-date=2020-04-18}}</ref> ketiga dalam perlombaan [[Balap gokar|Kejuaraan Eropa]]<ref>{{Cite web|url=http://web.archive.org/web/20191021212111/http://www.cikfia.com/competitions/cik-calendar/2018/lonato/kz2/results/result/tenth/day/second.html|title=CIK-FIA EUROPEAN KZ CHAMPS (ROUND 2), CIK-FIA EUROPEAN KZ2 CHAMPS (ROUND 2), CIK-FIA KARTING ACADEMY TROPHY (ROUND 2)|last=|first=|date=2019-10-21|website=web.archive.org|access-date=2020-04-18}}</ref> dan kemenangan dalam perlombaan [[Balap gokar|kejuaraan dunia]].<ref>{{Cite web|url=http://web.archive.org/web/20190919110923/http://www.cikfia.com/competitions/cik-calendar/2018/genk/kz2/results/result/20/day/second.html|title=CIK-FIA WORLD KZ CHAMPS, INTERNATIONAL KZ2 SUPER CUP & CIK-FIA KARTING ACADEMY TROPHY (ROUND 3)|last=|first=|date=2019-09-19|website=web.archive.org|access-date=2020-04-18}}</ref> Dia berkompetisi di Tim CRG resmi,<ref>{{Cite web|url=https://www.tkart.it/en/features/crg-renewed-block-11-drivers/|title=CRG renewed a block of 11 drivers|date=2018-01-18|website=TKART - News, tips, tech about karting|language=en-US|access-date=2020-04-18}}</ref><ref>{{Cite web|url=https://lat.motorsport.com/karting/photos/pedro-hiltbrand-alessandro-giardelli-crg-16259582/33239393/|title=Pedro Hiltbrand, Alessandro Giardelli, CRG at WSK Super Master Series III: Sarno|last=|first=|date=|website=lat.motorsport.com|language=es|access-date=2020-04-18}}</ref> dan Tony Kart <ref>{{Cite web|url=https://www.tonykart.com/news-singola_en.php?ID_new=1817|title=THE RACING TEAM READY FOR THE WORLD FIGHT FOR KZ AND KZ2 CATEGORIES IN BELGIUM|website=www.tonykart.com|language=en|access-date=2020-04-18}}</ref><ref>{{Cite web|url=http://web.archive.org/web/20190819115350/https://www.tonykart.com/staff-giardelli.php|title=Giardelli Alessandro - TONY KART|last=|first=|date=2019-08-19|website=web.archive.org|access-date=2020-04-18}}</ref> saat ini bersaing dengan tim resmi Lariomotorsport.
