heel dents damage

[alap]

Hi,

Here are the pictures of my SUP Starboard Extremists 9'8" sporttech edition.

http://picasaweb.google.com/andrew.lapides/Starboard_heel_dents?authkey=D5IXi3TAbNM

30 hours (10 sessions, about 3 hours each),
light surf (2-3 feet), beginner, 173 pounds (77 kilo)

IS IT NORMAL???

How will it look after 100 hours???

Your advice what to do about this.