On November 27th, the 1st Spanish Fusion HPC Workshop (link to full programme and abstracts) was organized online by our Fusion group and Barcelona Supercomputing Center (BSC) in close collaboration with the Spanish Supercomputing Network (RES) and experts from several collaborator institutes. A total of 182 registered attendants interested in the modelling in fusion met in this online event which delved both into the overall progress and challenges of High Performing Computing (HPC) applied to large scale fusion projects such as ITER or EUROfusion, and into specific research on most types of fusion phenomena simulations (energy and particle transport, fast particles, multi-physics, plasma, deep learning, materials micro-structure, preconditioning, HPC systems resources and transferability across HPC systems, etc.).