Naoko Ku

Glenview, IL

Bib: 27084 F 53

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 34%

Gender (Female)

#0 / 28901

Top 23%

Masters (Masters Women)

#0 / 10324

Top 20%

Division (W50-54)

#0 / 2116

Top 19%

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

8:29/mi

25:26

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:01/mi

26:11

→ flat

76 ft elev

8:19/mi

33:37

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

7:53/mi

41:30

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

7:58/mi

49:28

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

8:07/mi

51:12

→ flat0.6% grade

58 ft elev

7:56/mi

57:26

↓ 30 ft0.6% grade

33 ft elev

8:12/mi

1:05:38

↑ 30 ft0.4% grade

54 ft elev

8:19/mi

1:13:57

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

8:00/mi

1:16:31

↓ 13 ft0.8% grade

66 ft elev

10M

8:16/mi

1:22:08

↓ 36 ft0.9% grade

33 ft elev

11M

8:28/mi

1:30:36

↑ 43 ft0.7% grade

72 ft elev

12M

8:42/mi

1:39:18

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

8:35/mi

1:42:58

↑ 16 ft0.7% grade

54 ft elev

13M

8:40/mi

1:47:56

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

8:40/mi

1:48:53

→ flat0.5% grade

49 ft elev

14M

9:04/mi

1:56:57

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

9:43/mi

2:06:40

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

10:44/mi

2:12:24

↑ 68 ft2.4% grade

169 ft elev

16M

20:02/mi

2:21:44

↓ 45 ft1.7% grade

125 ft elev

17M

10:51/mi

2:32:35

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

9:53/mi

2:42:28

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

10:16/mi

2:49:03

→ flat

41 ft elev

19M

9:53/mi

2:52:36

→ flat0.2% grade

39 ft elev

20M

10:05/mi

3:02:41

↑ 43 ft0.7% grade

72 ft elev

21M

10:42/mi

3:13:23

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

10:47/mi

3:21:27

↑ 20 ft↓ 23 ft

52 ft elev

22M

9:27/mi

3:23:50

→ flat0.2% grade

51 ft elev

23M

9:27/mi

3:33:17

↓ 10 ft0.1% grade

46 ft elev

24M

10:13/mi

3:43:30

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

10:16/mi

3:52:17

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

9:24/mi

3:53:39

↑ 10 ft1.3% grade

111 ft elev

26M

9:24/mi

4:03:03

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

8:41/mi

4:04:57

↓ 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

1:48:538:18 /mi⚡ faster

2nd Half

2:16:0410:23 /mi+25.0%

Positive split — 25.0% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	25:26	8:29	3.00 mi	25:26	8:29	-
5K	26:11	8:26	0.11 mi	0:45	7:01	-1:28
4M	33:37	8:24	0.89 mi	7:26	8:19	+1:18
5M	41:30	8:18	1.00 mi	7:53	7:53	-0:26
6M	49:28	8:15	1.00 mi	7:58	7:58	+0:05
10K	51:12	8:14	0.21 mi	1:44	8:07	+0:09
7M	57:26	8:12	0.79 mi	6:14	7:56	-0:11
8M	1:05:38	8:12	1.00 mi	8:12	8:12	+0:16
9M	1:13:57	8:13	1.00 mi	8:19	8:19	+0:07
15K	1:16:31	8:13	0.32 mi	2:34	8:00	-0:19
10M	1:22:08	8:13	0.68 mi	5:37	8:16	+0:16
11M	1:30:36	8:14	1.00 mi	8:28	8:28	+0:12
12M	1:39:18	8:17	1.00 mi	8:42	8:42	+0:14
20K	1:42:58	8:17	0.43 mi	3:40	8:35	-0:07
13M	1:47:56	8:18	0.57 mi	4:58	8:40	+0:05
Half(13.11 mi)	1:48:53	8:18	0.11 mi	0:57	8:40	0:00
14M	1:56:57	8:21	0.89 mi	8:04	9:04	+0:24
15M	2:06:40	8:27	1.00 mi	9:43	9:43	+0:39
25K	2:12:24	8:31	0.53 mi	5:44	10:44	+1:01
16M	2:21:44	8:51	0.47 mi	9:20	20:02	+9:18
17M	2:32:35	8:59	1.00 mi	10:51	10:51	-9:11
18M	2:42:28	9:02	1.00 mi	9:53	9:53	-0:58
30K	2:49:03	9:04	0.64 mi	6:35	10:16	+0:23
19M	2:52:36	9:05	0.36 mi	3:33	9:53	-0:23
20M	3:02:41	9:08	1.00 mi	10:05	10:05	+0:12
21M	3:13:23	9:13	1.00 mi	10:42	10:42	+0:37
35K	3:21:27	9:16	0.75 mi	8:04	10:47	+0:05
22M	3:23:50	9:16	0.25 mi	2:23	9:27	-1:20
23M	3:33:17	9:16	1.00 mi	9:27	9:27	0:00
24M	3:43:30	9:19	1.00 mi	10:13	10:13	+0:46
40K	3:52:17	9:21	0.85 mi	8:47	10:16	+0:03
25M	3:53:39	9:21	0.15 mi	1:22	9:24	-0:52
26M	4:03:03	9:21	1.00 mi	9:24	9:24	0:00
Finish(26.22 mi)	4:04:57	9:21	0.22 mi	1:54	8:41	-0:43

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:01 /mi

Average Pace

9:21 /mi

Slowest Pace

20:02 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

25:24

10% of race

Time at Steady Pace

2:29:17

61% of race

Time at Slower Pace

1:10:16

29% of race

Average Pace: 9:21 /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	Females	W50-54	Seg. Overall	Seg. Females	Seg. W50-54
3M	3.00 mi	15136	3845	249	12656	3101	186
5K	0.11 mi	14542+594	3638+207	233+16	3347	389	9
4M	0.89 mi	14534+8	3619+19	232+1	14845	3685	238
5M	1.00 mi	13702+832	3292+327	207+25	10725	2321	141
6M	1.00 mi	13146+556	3093+199	190+17	11012	2366	144
10K	0.21 mi	13070+76	3075+18	188+2	11468	2533	151
7M	0.79 mi	12884+186	3000+75	181+7	12000	2638	164
8M	1.00 mi	12806+78	2964+36	178+3	12367	2773	159
9M	1.00 mi	12783+23	2938+26	175+3	12816	2902	167
15K	0.32 mi	12724+59	2918+20	173+2	11801	2617	160
10M	0.68 mi	12742-18	2916+2	176-3	13764	3306	210
11M	1.00 mi	12772-30	2925-9	177-1	13608	3220	186
12M	1.00 mi	13104-332	3043-118	181-4	17161	4533	289
20K	0.43 mi	13131-27	3057-14	181	15045	3766	230
13M	0.57 mi	13061+70	3049+8	181	12656	3101	186
Half(13.11 mi)	0.11 mi	13130-69	3069-20	184-3	14699	3944	249
14M	0.89 mi	13506-376	3208-139	196-12	20938	6341	376
15M	1.00 mi	14021-515	3418-210	212-16	23283	7426	416
25K	0.53 mi	14561-540	3612-194	227-15	30321	11114	637
16M	0.47 mi	18725-4164	5257-1645	333-106	60621	28647	2085
17M	1.00 mi	20062-1337	5824-567	363-30	36350	14401	876
18M	1.00 mi	20519-457	6056-232	368-5	26535	9346	558
30K	0.64 mi	20872-353	6244-188	376-8	27296	10108	583
19M	0.36 mi	21034-162	6315-71	377-1	26114	9548	552
20M	1.00 mi	21140-106	6453-138	381-4	22457	7917	447
21M	1.00 mi	21530-390	6700-247	398-17	26731	10294	608
35K	0.75 mi	21771-241	6850-150	406-8	28167	11192	684
22M	0.25 mi	21665+106	6814+36	406	15700	5026	287
23M	1.00 mi	21240+425	6709+105	401+5	16397	5509	308
24M	1.00 mi	21064+176	6691+18	399+2	19621	7218	399
40K	0.85 mi	21093-29	6773-82	404-5	23871	9537	545
25M	0.15 mi	21059+34	6765+8	403+1	17579	6250	333
26M	1.00 mi	20866+193	6722+43	396+7	18104	6702	348
Finish(26.22 mi)	0.22 mi	20796+70	6706+16	394+2	16760	6022	263

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 21%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

12656

Females

No position changes recorded for this athlete.

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