hi i just started running marathon training

i read some acticle about the marathon.. i dont really understand what it mean 8.30 pace..
can someone explain it to me...

ohh ic

i read the this acticle is in miles so it izzit refer to
5.3mins/km

i normally run 10km wan to increase it to 21 next KL marathon competition

my time for 10 km last record is 49minutes in KL marathon .... which is slow

so hope i now have get faster alot