Even though he had to weave his ship through dangerous ice, he still managed to close the 58 miles to Titanic's location in barely three and a half hours. To help expedite the speed, he shut off the ship's heating system to maximize the steam going to the propulsion system, getting well above her rated maximum speed of 17.5 knots.
For his efforts that night, Rostron was awarded the US Congressional Gold Medal, the Thanks of Congress, the American Cross of Honor, Knighted into the Order of the British Empire, was presented with a silver chalice and gold medal by the Titanic survivors, and also received several other medals and awards for his actions.
During WW1 he commanded several troop ships, primarily in the Mediterranean Theater, including the infamous Battle of Gallipoli.
In 1931, Captain Rostron penned his memoirs, Titanic Hero. He died of pneumonia in 1940 at age 71.
I think it is worthy of note that sister ship Olympic turned round and headed to Titanic despite being some 6 hrs removed and almost at port IIRC. Carpathia, however, had done about all possible so Olympic’s efforts were moot.