$1000 + 1100 + 1200 + 1300 + 1400 = 6000$ 
Colin was preparing for the PE test. On the first day, he ran $1$ km. He decided that each day he would be running $100$ m more than the day before. How many meters did he run in total in the first $5$ days? 
Options:
1: $$5600$$ 
2: $$5700$$ 
3: $$5800$$ 
4: $$6000$$ 
5: $$6100$$ 