Jeffrey Kao

San Jose, CA

Bib: 4535 M 54

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 4%

Gender (Male)

#0 / 31978

Top 7%

Masters (Masters Men)

#0 / 14572

Top 5%

Division (M50-54)

#0 / 2905

Top 4%

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

7:35/mi

22:44

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:20/mi

23:31

→ flat

76 ft elev

6:48/mi

29:35

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

6:45/mi

36:20

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

6:57/mi

43:17

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

6:47/mi

44:44

→ flat0.6% grade

58 ft elev

6:47/mi

50:04

↓ 30 ft0.6% grade

33 ft elev

6:57/mi

57:01

↑ 30 ft0.4% grade

54 ft elev

6:59/mi

1:04:00

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

6:55/mi

1:06:13

↓ 13 ft0.8% grade

66 ft elev

10M

6:54/mi

1:10:54

↓ 36 ft0.9% grade

33 ft elev

11M

7:06/mi

1:18:00

↑ 43 ft0.7% grade

72 ft elev

12M

6:53/mi

1:24:53

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

7:08/mi

1:27:56

↑ 16 ft0.7% grade

54 ft elev

13M

6:54/mi

1:31:53

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

7:44/mi

1:32:44

→ flat0.5% grade

49 ft elev

14M

6:52/mi

1:38:51

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

7:22/mi

1:46:13

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

7:29/mi

1:50:13

↑ 68 ft2.4% grade

169 ft elev

16M

7:01/mi

1:53:29

↓ 45 ft1.7% grade

125 ft elev

17M

6:55/mi

2:00:24

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

6:59/mi

2:07:23

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

6:50/mi

2:11:46

→ flat

41 ft elev

19M

6:49/mi

2:14:13

→ flat0.2% grade

39 ft elev

20M

7:03/mi

2:21:16

↑ 43 ft0.7% grade

72 ft elev

21M

7:03/mi

2:28:19

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

7:02/mi

2:33:35

↑ 20 ft↓ 23 ft

52 ft elev

22M

7:04/mi

2:35:22

→ flat0.2% grade

51 ft elev

23M

7:06/mi

2:42:28

↓ 10 ft0.1% grade

46 ft elev

24M

7:55/mi

2:50:23

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

7:48/mi

2:57:03

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

7:34/mi

2:58:09

↑ 10 ft1.3% grade

111 ft elev

26M

7:39/mi

3:05:48

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

7:19/mi

3:07:24

↓ 10 ft0.9% grade

102 ft elev

Course Elevation

926ft

Total climb

232ft

Range

30 to 262 ft

943ft

Total descent

About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half

1:32:447:04 /mi⚡ faster

2nd Half

1:34:407:13 /mi+2.1%

Positive split — 2.1% slower in the second half

AI Race Performance Report

Jeffrey's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	22:44	7:35	3.00 mi	22:44	7:35	-
5K	23:31	7:34	0.11 mi	0:47	7:20	-0:15
4M	29:35	7:24	0.89 mi	6:04	6:48	-0:32
5M	36:20	7:16	1.00 mi	6:45	6:45	-0:03
6M	43:17	7:13	1.00 mi	6:57	6:57	+0:12
10K	44:44	7:12	0.21 mi	1:27	6:47	-0:10
7M	50:04	7:09	0.79 mi	5:20	6:47	0:00
8M	57:01	7:08	1.00 mi	6:57	6:57	+0:10
9M	1:04:00	7:07	1.00 mi	6:59	6:59	+0:02
15K	1:06:13	7:06	0.32 mi	2:13	6:55	-0:04
10M	1:10:54	7:05	0.68 mi	4:41	6:54	-0:01
11M	1:18:00	7:05	1.00 mi	7:06	7:06	+0:12
12M	1:24:53	7:04	1.00 mi	6:53	6:53	-0:13
20K	1:27:56	7:05	0.43 mi	3:03	7:08	+0:15
13M	1:31:53	7:04	0.57 mi	3:57	6:54	-0:14
Half(13.11 mi)	1:32:44	7:04	0.11 mi	0:51	7:44	+0:50
14M	1:38:51	7:04	0.89 mi	6:07	6:52	-0:52
15M	1:46:13	7:05	1.00 mi	7:22	7:22	+0:30
25K	1:50:13	7:06	0.53 mi	4:00	7:29	+0:07
16M	1:53:29	7:06	0.47 mi	3:16	7:01	-0:28
17M	2:00:24	7:05	1.00 mi	6:55	6:55	-0:06
18M	2:07:23	7:05	1.00 mi	6:59	6:59	+0:04
30K	2:11:46	7:04	0.64 mi	4:23	6:50	-0:09
19M	2:14:13	7:04	0.36 mi	2:27	6:49	-0:01
20M	2:21:16	7:04	1.00 mi	7:03	7:03	+0:14
21M	2:28:19	7:04	1.00 mi	7:03	7:03	0:00
35K	2:33:35	7:04	0.75 mi	5:16	7:02	-0:01
22M	2:35:22	7:04	0.25 mi	1:47	7:04	+0:02
23M	2:42:28	7:04	1.00 mi	7:06	7:06	+0:02
24M	2:50:23	7:06	1.00 mi	7:55	7:55	+0:49
40K	2:57:03	7:07	0.85 mi	6:40	7:48	-0:07
25M	2:58:09	7:08	0.15 mi	1:06	7:34	-0:14
26M	3:05:48	7:09	1.00 mi	7:39	7:39	+0:05
Finish(26.22 mi)	3:07:24	7:09	0.22 mi	1:36	7:19	-0:20

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:45 /mi

Average Pace

7:09 /mi

Slowest Pace

7:55 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:16:29

73% of race

Time at Steady Pace

50:55

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
3M	3.00 mi	6166	5108	353	2415	2158	114
5K	0.11 mi	6113+53	5066+42	352+1	5298	4461	302
4M	0.89 mi	5032+1081	4259+807	290+62	2426	2167	112
5M	1.00 mi	4448+584	3828+431	234+56	2647	2359	125
6M	1.00 mi	4238+210	3654+174	222+12	3314	2920	164
10K	0.21 mi	4123+115	3565+89	219+3	1925	1729	79
7M	0.79 mi	3967+156	3444+121	213+6	2970	2642	141
8M	1.00 mi	3790+177	3303+141	197+16	2889	2571	137
9M	1.00 mi	3685+105	3214+89	190+7	2855	2539	133
15K	0.32 mi	3672+13	3200+14	190	3243	2856	162
10M	0.68 mi	3614+58	3156+44	184+6	3031	2693	152
11M	1.00 mi	3555+59	3115+41	181+3	2965	2634	137
12M	1.00 mi	3465+90	3037+78	175+6	2733	2436	125
20K	0.43 mi	3453+12	3029+8	174+1	3086	2741	146
13M	0.57 mi	3395+58	2990+39	171+3	2415	2158	114
Half(13.11 mi)	0.11 mi	3381+14	2981+9	171	6680	5107	357
14M	0.89 mi	3304+77	2913+68	162+9	2440	2173	116
15M	1.00 mi	3237+67	2855+58	160+2	2947	2602	144
25K	0.53 mi	3204+33	2827+28	158+2	2613	2309	124
16M	0.47 mi	3187+17	2810+17	158	3236	2811	181
17M	1.00 mi	3122+65	2752+58	153+5	2263	2021	96
18M	1.00 mi	3058+64	2693+59	149+4	2451	2173	120
30K	0.64 mi	2986+72	2632+61	144+5	1823	1642	77
19M	0.36 mi	2944+42	2598+34	143+1	1896	1699	90
20M	1.00 mi	2825+119	2496+102	139+4	1862	1671	84
21M	1.00 mi	2717+108	2403+93	134+5	1755	1569	73
35K	0.75 mi	2660+57	2354+49	132+2	1813	1612	84
22M	0.25 mi	2635+25	2329+25	130+2	1498	1337	62
23M	1.00 mi	2534+101	2234+95	125+5	1833	1618	80
24M	1.00 mi	2509+25	2205+29	125	3376	2743	159
40K	0.85 mi	2505+4	2193+12	125	3946	3092	193
25M	0.15 mi	2505	2191+2	124+1	3100	2514	150
26M	1.00 mi	2495+10	2174+17	123+1	3911	3057	175
Finish(26.22 mi)	0.22 mi	2494+1	2171+3	123	4381	3383	168

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 4%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

2415

Males

2158

16.0 - 17.0 mi

Top 4%

108 ft59 ft

↑ 10ft↓ 59ft

49 ft

Overall

2263

Males

2021

M50-54

17M→18M

17.0 - 18.0 mi

Top 4%

59 ft39 ft

↑ 30ft↓ 49ft

42 ft

Overall

2451

Males

2173

M50-54

120

18M→30K

18.0 - 18.6 mi

Top 3%

39 ft39 ft

↑ 3ft↓ 3ft

3 ft

Overall

1823

Males

1642

M50-54

30K→19M

18.6 - 19.0 mi

Top 3%

43 ft39 ft

↑ 0ft↓ 3ft

3 ft

Overall

1896

Males

1699

M50-54

19M→20M

19.0 - 20.0 mi

Top 3%

39 ft74 ft

↑ 43ft↓ 8ft

39 ft

Overall

1862

Males

1671

M50-54

20M→21M

20.0 - 21.0 mi

Top 3%

69 ft49 ft

↑ 20ft↓ 39ft

30 ft

Overall

1755

Males

1569

M50-54

21M→35K

21.0 - 21.8 mi

Top 3%

56 ft52 ft

↑ 20ft↓ 23ft

23 ft

Overall

1813

Males

1612

M50-54

35K→22M

21.8 - 22.0 mi

Top 2%

52 ft49 ft

↑ 0ft↓ 3ft

3 ft

Overall

1498

Males

1337

M50-54

No position changes recorded for this athlete.

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