Ching Yu Siu

Bib: 64884 F CN

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F50-54)

#0 / 2342

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:02/mi

34:14

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:43/mi

1:07:30

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:14/mi

1:42:22

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:49/mi

2:19:04

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:00/mi

2:27:07

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:28/mi

2:57:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:41/mi

3:39:55

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:44/mi

4:25:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:10/mi

5:03:27

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:08/mi

5:18:38

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:27:0711:14 /mi⚡ faster

2nd Half

2:51:3113:05 /mi+16.6%

Positive split — 16.6% slower in the second half

AI Race Performance Report

Ching's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:14	11:02	3.11 mi	34:14	11:02	-
10K	1:07:30	10:52	3.10 mi	33:16	10:43	-0:19
15K	1:42:22	10:59	3.11 mi	34:52	11:14	+0:31
20K	2:19:04	11:12	3.11 mi	36:42	11:49	+0:35
Half(13.10 mi)	2:27:07	11:14	0.67 mi	8:03	12:00	+0:11
25K	2:57:27	11:26	2.43 mi	30:20	12:28	+0:28
30K	3:39:55	11:48	3.11 mi	42:28	13:41	+1:13
35K	4:25:41	12:13	3.11 mi	45:46	14:44	+1:03
40K	5:03:27	12:13	3.10 mi	37:46	12:10	-2:34
Finish(26.22 mi)	5:18:38	12:10	1.37 mi	15:11	11:08	-1:02

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:43 /mi

Average Pace

12:10 /mi

Slowest Pace

14:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:57:33

37% of race

Time at Steady Pace

1:52:51

35% of race

Time at Slower Pace

1:28:14

28% of race

Average Pace: 12:09 /mi

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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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	48524	18377	18377	43409	15412	15412
10K	3.10 mi	45698+2826	16641+1736	16641+1736	43147	15184	15184
15K	3.11 mi	44729+969	16092+549	16092+549	43409	15412	15412
20K	3.11 mi	45356-627	16528-436	16528-436	46843	17681	17681
Half(13.10 mi)	0.67 mi	45375-19	16578-50	16578-50	45775	17357	17357
25K	2.43 mi	45317+58	16669-91	16669-91	45115	17092	17092
30K	3.11 mi	45852-535	17133-464	17133-464	47653	18876	18876
35K	3.11 mi	46460-608	17635-502	17635-502	49490	20348	20348
40K	3.10 mi	45364+1096	17173+462	17173+462	36643	14140	14140
Finish(26.22 mi)	1.37 mi	44806+558	16920+253	16920+253	32810	12320	12320

12320

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing