Need diet for running.. help!?

AkumaKira
So here I am, a 15 year old boy and i do athletics. I run 100m and 200m and i have a problem with my weight. One year now im stuck at 55 kilos. i want to reach 60 but i cant. Every time I gain 1 kilo I lose it because of the hard training. Only this summer i gained 2 kilos which i still have on me... till I start running again :/ I want to ask everybody to provide me with an everyday meal plan in order for me to get 5 kilos and finally reach 60-62. I need the kilos I want to gain just for the tracking sports. And I dont want any fat... just muscle mass. Also tell me if my running records are good (keep in mind im 15 and training 1 year) :
100m -- 11.68
200m -- 23.56
Updates
+1 y
the thing is and i forgot to write it.. i go to the gym every time i run which means 4-5 times per week
Need diet for running.. help!?
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