It was Gemma's second marathon which she completed in five hours and five minutes and she was still smiling at the end as this picture with her dad, Paul, at the finishing line shows.
And thank you to everyone who supported her effort.
Just for the record, Kenyan Dennis Kimetto clocked a world record 2 hours, 2 minutes, 57 seconds, to win the marathon becoming the third Kenyan to break the 26.2-mile mark in the German capital in the last four years.
"I think what really motivates me to be a fighter is the fact that I come from a humble background," Kimetto says. "I try to really make sure that I achieve my best so that I can assist my family."
What a great role model for the kids in our own Happy House family!