A kinetic model for hydroisomerization of long chain paraffins has been developed by extending the single events modeling methodology to very large reaction networks. The lumped coefficients of the reaction network can now be directly calculated based on a decomposition strategy of the various intervening species into lateral chains and active centers. This approach advantageously avoids the time-consuming generation of the complete exhaustive list of molecules and single events reactions. The properties of lateral chains are computed through recursive formulas. The identified model is confronted to experimental data of squalane hydrocracking.