You can be rest assured about the project listed on Housiey, Our legal & backend team do the complete recky of each builder, before listing their projects. Talking about Marathon Group past record, Established in 1970, Marathon Group has an experience of over 52+ years and has completed 100+ projects with 10,000+ Happy Families Some of their completed projects are - 1. Marathon Nagari NX. 2. Marathon Monte Vista. 3. Marathon Embryo.