To summarise, we have provided a novel approach that utilises a state-of-the-art path planning algorithm, Fast Marching Tree, to generate good initial approximations of the MFEP. We then coupled it to the string algorithm to further refine it. It has been shown from obtaining the MFEP of two model Free Energy Surfaces that fewer iterations are required to converge the MFEP, as is the computational time required. It is expected that more modern path-finding algorithms can play a significant role in solving the chemical problem of extracting an MFEP efficiently from complex free energy surfaces.