2018–19 ISU Challenger Series
The 2018–19 ISU Challenger Series was held from August to December 2018. It was the fifth season of a group of senior-level international figure skating competitions ranked below the Grand Prix series.
Events
The 2018–19 series will be composed of ten events.| Date | Event | Location | Details |
| August 1–5 | 2018 CS Asian Open Trophy | Bangkok, Thailand | |
| September 12–16 | 2018 CS Lombardia Trophy | Bergamo, Italy | |
| September 12–16 | 2018 CS U.S. International Classic | Salt Lake City, Utah, United States | |
| September 19–22 | 2018 CS Ondrej Nepela Trophy | Bratislava, Slovakia | |
| September 20–22 | 2018 CS Autumn Classic | Oakville, Ontario, Canada | |
| September 26–29 | 2018 CS Nebelhorn Trophy | Oberstdorf, Germany | |
| October 4–7 | 2018 CS Finlandia Trophy | Espoo, Finland | |
| November 11–18 | 2018 CS Inge Solar Memorial – Alpen Trophy | Innsbruck, Austria | |
| November 26 – December 2 | 2018 CS Tallinn Trophy | Tallinn, Estonia | |
| December 5–8 | 2018 CS Golden Spin of Zagreb | Zagreb, Croatia |
Medal summary
Medalists
Men
Ladies
Pairs
Ice dancing
Medal standings
Challenger Series rankings
The ISU Challenger Series rankings were formed by combining the two highest final scores of each skater or duo.Men
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 |  Mikhail Kolyada | 2018 CS Ondrej Nepela Trophy | 274.37 | 2018 CS Golden Spin of Zagreb | 253.14 | 527.51 |
| 2 |  Cha Jun-hwan | 2018 CS Autumn Classic | 259.78 | 2018 CS Finlandia Trophy | 239.19 | 498.97 |
| 3 |  Jason Brown | 2018 CS Autumn Classic | 233.23 | 2018 CS Golden Spin of Zagreb | 263.42 | 496.65 |
| 4 | Dmitri Aliev | 2018 CS Lombardia Trophy | 250.55 | 2018 CS Finlandia Trophy | 224.95 | 475.50 |
| 5 |  Daniel Grassl | 2018 CS Alpen Trophy | 230.50 | 2018 CS Golden Spin of Zagreb | 229.82 | 460.32 |
Ladies
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Elizaveta Tuktamysheva | 2018 CS Lombardia Trophy | 206.07 | 2018 CS Finlandia Trophy | 202.85 | 408.92 |
| 2 | Bradie Tennell | 2018 CS Autumn Classic | 206.41 | 2018 CS Golden Spin of Zagreb | 202.41 | 408.82 |
| 3 |  Elizabet Tursynbaeva | 2018 CS Ondrej Nepela Trophy | 192.30 | 2018 CS Finlandia Trophy | 200.74 | 393.04 |
| 4 | Mariah Bell | 2018 CS Nebelhorn Trophy | 188.97 | 2018 CS Golden Spin of Zagreb | 196.60 | 385.57 |
| 5 | Anastasiia Gubanova | 2018 CS Tallinn Trophy | 180.73 | 2018 CS Golden Spin of Zagreb | 198.65 | 379.38 |
Pairs
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Aleksandra Boikova / Dmitrii Kozlovskii | 2018 CS Lombardia Trophy | 191.99 | 2018 CS Finlandia Trophy | 188.54 | 380.53 |
| 2 |  Kirsten Moore-Towers / Michael Marinaro | 2018 CS Finlandia Trophy | 193.93 | 2018 CS Autumn Classic | 176.32 | 370.25 |
| 3 | Alisa Efimova / Alexander Korovin | 2018 CS Nebelhorn Trophy | 178.94 | 2018 CS Golden Spin of Zagreb | 183.89 | 362.83 |
| 4 |  Miriam Ziegler / Severin Kiefer | 2018 CS Finlandia Trophy | 176.09 | 2018 CS Tallinn Trophy | 184.60 | 360.69 |
| 5 | Alexa Scimeca Knierim / Chris Knierim | 2018 CS Nebelhorn Trophy | 177.22 | 2018 CS Golden Spin of Zagreb | 182.84 | 360.06 |
Ice dancing
| Rank | Name | 1st event | Score | 2nd event | Score | Total score |
| 1 | Piper Gilles / Paul Poirier | 2018 CS Nebelhorn Trophy | 194.12 | 2018 CS Golden Spin of Zagreb | 201.27 | 395.39 |
| 2 | Charlène Guignard / Marco Fabbri | 2018 CS Lombardia Trophy | 193.28 | 2018 CS Alpen Trophy | 195.39 | 388.67 |
| 3 | Christina Carreira / Anthony Ponomarenko | 2018 CS Nebelhorn Trophy | 177.49 | 2018 CS Tallinn Trophy | 180.22 | 357.71 |
| 4 | Lorraine McNamara / Quinn Carpenter | 2018 CS Ondrej Nepela Trophy | 178.64 | 2018 CS Alpen Trophy | 174.35 | 352.99 |
| 5 | Rachel Parsons / Michael Parsons | 2018 CS Lombardia Trophy | 170.68 | 2018 CS Nebelhorn Trophy | 180.95 | 351.63 |