Info
| Last name | Tronstad |
| First name | Karl Jonas |
| Nationality |  Norway |
About Karl Jonas Tronstad
Karl Jonas Tronstad is a Norwegian cycling professional, 0 years old.
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Baby Giro (2.2U) | |||||||
| 02-09 | 134 | Stage 5Marostica - Rosà (132.0km) | |||||
| 01-09 | 127 | Stage 4Bonferraro di Sorga - Bolca (159.0km) | |||||
| 31-08 | 144 | Stage 3Riccione - Mordaro (150.0km) | |||||
| 30-08 | 163 | Stage 2Gradara - Riccione (125.0km) | |||||
| 29-08 | 159 | Stage 1Urbino - Urbino (150.0km) | |||||
| 22-08 | 40 | National Road Championships - Norway (CN) | |||||
 In The Steps of Romans (2.2) | |||||||
| 34 |  Standings | ||||||
| 26-07 | 35 | Stage 2Banya - Bansko (151.0km) | |||||
| 25-07 | 36 | Stage 1Banya - Razlog (125.0km) | |||||
 International Tour of Rhodes (2.2) | |||||||
| 08-03 | DNF | Stage 3Rhodes - Rhodes (163.0km) | |||||
| 07-03 | 111 | Stage 2Rhodes - Rhodes (145.0km) | |||||
| 06-03 | 130 | Stage 1Rhodes - Rhodes (149.0km) | |||||
| 01-03 | 52 | International Rhodes Grand Prix (1.2) | |||||