The time-standard qualifying window for the 2019 TCS New York City Marathon was January 1–December 31, 2018. The time-qualifying standards, listed below, are for runners only. 

All applicants who met the time standards at the following NYRR races in 2018 are eligible for guaranteed entry in 2019: 2018 Fred Lebow Manhattan Half, 2018 United Airlines NYC Half, 2018 SHAPE Women's Half-Marathon, 2018 Popular Brooklyn Half, 2018 NYRR Staten Island Half, 2018 TCS New York City Marathon.
 
A limited number of time-qualifier spots were available to runners who met the time standards in a non-NYRR race. These spots were filled on a first-come, first-served basis. Verification was completed prior to the drawing on February 27, 2019. 

All times run must be at least as fast as the posted time. Net (chip) time, not gun time, is evaluated:

Men's Standards:

Age*	Marathon	Half-marathon
18-34	2:53:00	1:21:00
35-39	2:55:00	1:23:00
40-44	2:58:00	1:25:00
45-49	3:05:00	1:28:00
50-54	3:14:00	1:32:00
55-59	3:23:00	1:36:00
60-64	3:34:00	1:41:00
65-69	3:45:00	1:46:00
70-74	4:10:00	1:57:00
75-79	4:30:00	2:07:00
80+	4:55:00	2:15:00

Women's Standards:

Age*	Marathon	Half-marathon
18-34	3:13:00	1:32:00
35-39	3:15:00	1:34:00
40-44	3:26:00	1:37:00
45-49	3:38:00	1:42:00
50-54	3:51:00	1:49:00
55-59	4:10:00	1:54:00
60-64	4:27:00	2:02:00
65-69	4:50:00	2:12:00
70-74	5:30:00	2:27:00
75-79	6:00:00	2:40:00
80+	6:35:00	2:50:00

*Age on November 3, 2019, for the 2019 TCS New York City Marathon.