Chiayin Ku

Bib: 21569•F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Female)

#0 / 10924

Masters (Masters Women)

#0 / 6263

Division (F55-59)

#0 / 876

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

28:33

Rank: #20778

Start → 5K

9:11/mi

28:33 split

5K· 3.11 mi

28:33

Rank: #20778

Start → 5K

9:11/mi

28:33 split

10K· 6.21 mi

1:00:28

Rank: #22142 (-1364)

5K → 10K

10:16/mi

31:55 split

10K· 6.21 mi

1:00:28

Rank: #22142 (-1364)

5K → 10K

10:16/mi

31:55 split

15K· 9.32 mi

1:39:46

Rank: #23839 (-1697)

10K → 15K

12:39/mi

39:18 split

15K· 9.32 mi

1:39:46

Rank: #23839 (-1697)

10K → 15K

12:39/mi

39:18 split

20K· 12.43 mi

2:16:58

Rank: #23942 (-103)

15K → 20K

11:58/mi

37:12 split

20K· 12.43 mi

2:16:58

Rank: #23942 (-103)

15K → 20K

11:58/mi

37:12 split

Half· 13.11 mi

2:26:37

Rank: #24121 (-179)

20K → Half

14:09/mi

9:39 split

Half· 13.11 mi

2:26:37

Rank: #24121 (-179)

20K → Half

14:09/mi

9:39 split

25K· 15.53 mi

2:58:50

Rank: #24203 (-82)

Half → 25K

13:17/mi

32:13 split

25K· 15.53 mi

2:58:50

Rank: #24203 (-82)

Half → 25K

13:17/mi

32:13 split

30K· 18.64 mi

3:56:47

Rank: #24958 (-755)

25K → 30K

18:39/mi

57:57 split

30K· 18.64 mi

3:56:47

Rank: #24958 (-755)

25K → 30K

18:39/mi

57:57 split

20M

4:14:35

Rank: #24873 (+85)

30K → 20M

13:06/mi

17:48 split

20M

4:14:35

Rank: #24873 (+85)

30K → 20M

13:06/mi

17:48 split

21M

4:28:58

Rank: #24815 (+58)

20M → 21M

14:23/mi

14:23 split

21M

4:28:58

Rank: #24815 (+58)

20M → 21M

14:23/mi

14:23 split

35K· 21.75 mi

4:43:36

Rank: #24979 (-164)

21M → 35K

19:34/mi

14:38 split

35K· 21.75 mi

4:43:36

Rank: #24979 (-164)

21M → 35K

19:34/mi

14:38 split

23M

5:04:03

Rank: #25042 (-63)

35K → 23M

16:20/mi

20:27 split

23M

5:04:03

Rank: #25042 (-63)

35K → 23M

16:20/mi

20:27 split

24M

5:19:24

Rank: #25080 (-38)

23M → 24M

15:21/mi

15:21 split

24M

5:19:24

Rank: #25080 (-38)

23M → 24M

15:21/mi

15:21 split

40K· 24.85 mi

5:30:32

Rank: #25027 (+53)

24M → 40K

13:01/mi

11:08 split

40K· 24.85 mi

5:30:32

Rank: #25027 (+53)

24M → 40K

13:01/mi

11:08 split

25.2M

5:35:09

Rank: #24999 (+28)

40K → 25.2M

13:23/mi

4:37 split

25.2M

5:35:09

Rank: #24999 (+28)

40K → 25.2M

13:23/mi

4:37 split

Finish· 26.22 mi

5:45:33

Rank: #24919 (+80)

25.2M → Finish

10:12/mi

10:24 split

Finish· 26.22 mi

5:45:33

Rank: #24919 (+80)

25.2M → Finish

10:12/mi

10:24 split

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time2:26:37

Pace11:11 /mi

2nd Half

Distance13.11 mi

Time3:18:56

Pace15:11 /mi

📊Positive Split: 35.7% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:25:12	28:33	9:11	28:33	9:11	-
10K	6.21 mi	11:57:07	1:00:28	9:44	31:55	10:16	+1:05
15K	9.32 mi	12:36:25	1:39:46	10:42	39:18	12:39	+2:23
20K	12.43 mi	13:13:37	2:16:58	11:01	37:12	11:58	-0:41
Half	13.11 mi	13:23:16	2:26:37	11:11	9:39	14:09	+2:11
25K	15.53 mi	13:55:29	2:58:50	11:31	32:13	13:17	-0:52
30K	18.64 mi	14:53:26	3:56:47	12:42	57:57	18:39	+5:22
20M	20.00 mi	15:11:14	4:14:35	12:44	17:48	13:06	-5:33
21M	21.00 mi	15:25:37	4:28:58	12:48	14:23	14:23	+1:17
35K	21.75 mi	15:40:15	4:43:36	13:02	14:38	19:34	+5:11
23M	23.00 mi	16:00:42	5:04:03	13:13	20:27	16:20	-3:14
24M	24.00 mi	16:16:03	5:19:24	13:19	15:21	15:21	-0:59
40K	24.85 mi	16:27:11	5:30:32	13:18	11:08	13:01	-2:20
25.2M	25.20 mi	16:31:48	5:35:09	13:18	4:37	13:23	+0:22
Finish	26.22 mi	16:42:12	5:45:33	13:11	10:24	10:12	-3:11

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:11 /mi

Average Pace

13:11 /mi

Slowest Pace

19:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:52

21% of race

Time at Steady Pace

2:46:18

48% of race

Time at Slower Pace

1:48:23

31% of race

Average Pace: 13:11 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:25:12	28:33	9:11	28:33	9:11	#20778
10K	6.21 mi	11:57:07	1:00:28	9:44	31:55	10:16	#22142
15K	9.32 mi	12:36:25	1:39:46	10:42	39:18	12:39	#23839
20K	12.43 mi	13:13:37	2:16:58	11:01	37:12	11:58	#23942
Half	13.11 mi	13:23:16	2:26:37	11:11	9:39	14:09	#24121
25K	15.53 mi	13:55:29	2:58:50	11:31	32:13	13:17	#24203
30K	18.64 mi	14:53:26	3:56:47	12:42	57:57	18:39	#24958
20M	20.00 mi	15:11:14	4:14:35	12:44	17:48	13:06	#24873
21M	21.00 mi	15:25:37	4:28:58	12:48	14:23	14:23	#24815
35K	21.75 mi	15:40:15	4:43:36	13:02	14:38	19:34	#24979
23M	23.00 mi	16:00:42	5:04:03	13:13	20:27	16:20	#25042
24M	24.00 mi	16:16:03	5:19:24	13:19	15:21	15:21	#25080
40K	24.85 mi	16:27:11	5:30:32	13:18	11:08	13:01	#25027
25.2M	25.20 mi	16:31:48	5:35:09	13:18	4:37	13:23	#24999
Finish	26.22 mi	16:42:12	5:45:33	13:11	10:24	10:12	#24919

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	3.11 mi	20778	8294	8294	25143(Top 98%)	10655(Top 98%)	10655(Top 1216%)
10K	6.21 mi	3.10 mi	22142-1364	8981-687	8981-687	23119(Top 90%)	9493(Top 87%)	9493(Top 1084%)
15K	9.32 mi	3.11 mi	23839-1697	9871-890	9871-890	25143(Top 98%)	10655(Top 98%)	10655(Top 1216%)
20K	12.43 mi	3.11 mi	23942-103	9930-59	9930-59	23976(Top 94%)	9995(Top 91%)	9995(Top 1141%)
Half	13.11 mi	0.68 mi	24121-179	10039-109	10039-109	25438(Top 100%)	10871(Top 100%)	10871(Top 1241%)
25K	15.53 mi	2.42 mi	24203-82	10097-58	10097-58	24440(Top 96%)	10325(Top 95%)	10325(Top 1179%)
30K	18.64 mi	3.11 mi	24958-755	10568-471	10568-471	25520(Top 100%)	10909(Top 100%)	10909(Top 1245%)
20M	20.00 mi	1.36 mi	24873+85	10529+39	10529+39	22993(Top 90%)	9757(Top 89%)	9757(Top 1114%)
21M	21.00 mi	1.00 mi	24815+58	10498+31	10498+31	22860(Top 89%)	9726(Top 89%)	9726(Top 1110%)
35K	21.75 mi	0.75 mi	24979-164	10598-100	10598-100	25470(Top 100%)	10896(Top 100%)	10896(Top 1244%)
23M	23.00 mi	1.25 mi	25042-63	10645-47	10645-47	25169(Top 99%)	10795(Top 99%)	10795(Top 1232%)
24M	24.00 mi	1.00 mi	25080-38	10668-23	10668-23	24938(Top 98%)	10736(Top 98%)	10736(Top 1226%)
40K	24.85 mi	0.85 mi	25027+53	10640+28	10640+28	22324(Top 87%)	9612(Top 88%)	9612(Top 1097%)
25.2M	25.20 mi	0.35 mi	24999+28	10629+11	10629+11	20544(Top 80%)	8805(Top 81%)	8805(Top 1005%)
Finish	26.22 mi	1.02 mi	24919+80	10593+36	10593+36	19132(Top 75%)	8046(Top 74%)	8046(Top 918%)

8046

Passing Analysis

Category:

Athletes Passed

498

Passed By

4639

Net Change

-4141

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20778
5K → 10K	11	1375	-1364	#20778	#22142
10K → 15K	2	1699	-1697	#22142	#23839
15K → 20K	89	192	-103	#23839	#23942
20K → Half	0	179	-179	#23942	#24121
Half → 25K	56	138	-82	#24121	#24203
25K → 30K	8	763	-755	#24203	#24958
30K → 20M	90	5	+85	#24958	#24873
20M → 21M	60	2	+58	#24873	#24815
21M → 35K	3	167	-164	#24815	#24979
35K → 23M	8	71	-63	#24979	#25042
23M → 24M	8	46	-38	#25042	#25080
24M → 40K	55	2	+53	#25080	#25027
40K → 25.2M	28	0	+28	#25027	#24999
25.2M → Finish	80	0	+80	#24999	#24919
TOTALS	498	4639	-4141