Mel Ott has the most career runs by a player younger than 24, with 582 runs.

Interpreted as:

most runs by a player before the age of 24

	NAME	R	G	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mel Ott M. Ott	582	831	2,787	895	159	30	153	610	465	16	210	37		3,317	1,573	342	49				.321	.421	.564	.985
2	Ted Williams T. Williams	512	563	2,026	714	149	33	118	491	468	12	190	10		2,510	1,283	300	4			42	.352	.476	.633	1.110
3	Mickey Mantle M. Mantle	509	658	2,411	719	114	38	121	445	410	3	480	32	16	2,839	1,272	273	8	7	6	17	.298	.400	.528	.927
4	Buddy Lewis B. Lewis	491	699	2,900	882	138	51	43	359	291	10	185	56		3,247	1,251	232	46			14	.304	.370	.431	.801
5	Jimmie Foxx J. Foxx	461	656	2,165	710	126	48	116	499	344	5	281	26		2,568	1,280	290	54				.328	.421	.591	1.012
6	Freddie Lindstrom F. Lindstrom	456	718	2,734	864	135	45	49	369	161	9	141	54		2,990	1,236	229	86				.316	.356	.452	.808
7	Alex Rodriguez A. Rodriguez	452	579	2,330	730	154	11	128	411	186	21	429	106	30	2,570	1,290	293	16	17	2	49	.313	.367	.554	.921
8	Mike Trout M. Trout	449	597	2,259	689	130	28	130	375	320	35	592	112	18	2,642	1,265	288	0	28	31	31	.305	.395	.560	.955
9	Vada Pinson V. Pinson	436	599	2,439	751	147	33	76	308	184	12	322	94	37	2,657	1,192	256	9	13	10	38	.308	.358	.489	.846
10	Al Kaline A. Kaline	436	768	2,857	880	137	32	98	450	272	12	247	41	28	3,182	1,375	267	17	24	29	77	.308	.368	.481	.849
11	Juan Soto J. Soto	430	617	2,136	612	116	10	125	374	508	10	448	38	14	2,666	1,123	251	1	11	54	56	.287	.424	.526	.950
12	Ken Griffey Jr. K. Griffey Jr.	424	734	2,747	832	170	15	132	453	318	16	404	77	38	3,113	1,428	317	5	27	81	55	.303	.375	.520	.895
13	Cesar Cedeno C. Cedeno	415	689	2,660	782	164	25	90	377	201	21	403	205	66	2,915	1,266	279	10	23	25	56	.294	.346	.476	.822
14	Bryce Harper B. Harper	412	657	2,336	651	122	17	121	334	387	16	566	58	26	2,770	1,170	260	9	22	43	44	.279	.382	.501	.883
15	Joe DiMaggio J. DiMaggio	412	434	1,857	615	111	43	107	431	148	11	97	13		2,021	1,133	261	5				.331	.384	.610	.994
16	Frank Robinson F. Robinson	404	579	2,218	664	109	21	130	356	232	46	354	43	12	2,526	1,205	260	13	17	26	54	.299	.375	.543	.918
17	Eddie Mathews E. Mathews	394	581	2,082	585	98	22	153	397	379	6	359	20	14	2,490	1,186	273	10	13	20	30	.281	.391	.570	.961
18	Andruw Jones A. Jones	388	685	2,407	656	131	21	120	365	246	26	477	95	33	2,699	1,189	272	6	14	22	47	.273	.345	.494	.839
19	Hank Aaron H. Aaron	388	579	2,294	718	125	35	110	399	171	8	212	8	8	2,509	1,243	270	18	18	26	68	.313	.360	.542	.902
20	Lloyd Waner L. Waner	388	453	1,950	678	67	40	12	160	113	19	56	28		2,128	861	119	46				.348	.389	.442	.831
21	Arky Vaughan A. Vaughan	379	567	2,127	716	119	50	44	351	294	19	105	27		2,479	1,067	213	39				.337	.422	.502	.923
22	Robin Yount R. Yount	372	833	3,175	857	143	28	34	300	178	6	355	77	41	3,441	1,158	205	57	25	11	56	.270	.308	.365	.672
23	Miguel Cabrera M. Cabrera	368	576	2,154	670	149	8	108	417	252	21	472	15	10	2,451	1,159	265	4	20	49	73	.311	.385	.538	.923
24	Rickey Henderson R. Henderson	368	504	1,901	553	77	18	26	165	331	11	255	319	101	2,269	744	121	14	12	12	22	.291	.397	.391	.788
25	Albert Pujols A. Pujols	367	475	1,771	591	138	7	114	381	220	28	227	8	8	2,036	1,085	259	1	16	31	54	.334	.412	.613	1.025