Second sentence.
"After running the marathon in record time, Julia wanted to sleep for the rest of the day."
This is because this is a complex sentence; the first clause "after running the marathon in record time" is a dependent clause, and must be followed by a comma before the independent clause "Julia wanted to sleep for the rest of the day."
Talking time out to enjoy the trip is a pleasant luxury for a few to enjoy the level of excitement is excepted