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Jack Kalbfell is a competitive kart racing driver from Australia, currently ranked #27 in the world in the KA3-JR category with a WKR Rating of 43.1 from 1 counted races. Rankings by World Karting Rankings, updated August 3, 2026.
The KA3-JR world classification currently lists Jack in P27 among 39 ranked drivers, with a WKR Rating of 43.1 built from 1 counted races.
In the fight for KA3-JR positions, Jack trails Jack Jensen (P26) by 0.0 rating points and holds a 3.8-point margin over Sonny Ratcliff (P28).
Races this driver has competed in that are in our database and count toward their WKR rank — these are participations, not race results.
Jack Kalbfell has 1 counted race participation across 1 event in KA3-JR recorded in the WKR database. Jack Kalbfell currently holds world rank #27 in KA3-JR with a WKR Rating of 43.1. Compare with other drivers from Australia on the drivers list.
| Date | Race |
|---|---|
| 04 May 2026 | AKC 2026 R2 Murray Bridge |