You can use either. The rest of your grammar is a bit screwy.
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User_garyThe bus departure time was "1 p.m." [no quotation marks required], and we get off home only at 12.50 p.m., so we had to ran [wrong tense - this requires the infinitive] to catch/
Feebs11I thought about it for a while, but I couldn't find any mistake in thUser_garyhome only at 12.50 p.m., so we had to ran [wrong tense - this requires the infinitive] to catch/get the train.
Feebs11You have not used the right tense. What is the infinitive of running?I got it. It should be "to run". Am I right?
User_garySo the sentence becomes "I had to run to catch/get the train".Yes, now the sentence is perfect.