I'm also planning on walking the Ruta del Argar (Lorca to Mora) with some Ruta Don Quijote variations in September next year.
Something along the following lines:
Day 1 - Lorca to Zarcilla de Ramos (31 kms)
Day 2 - Zarcilla to Caravaca de la Cruz (35 kms)
Day 3 - Caravaca to Socovos (43 kms)...