Yi Sum Agatha Siu

Bib: 14317 F HK

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 34%

Gender (Female)

#0 / 26115

Top 22%

Division (F18-39)

#0 / 14744

Top 24%

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

9:14/mi

28:41

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:08/mi

57:03

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:19/mi

1:25:59

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:03/mi

1:54:04

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:15/mi

2:00:16

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:09/mi

2:22:33

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:13/mi

2:51:09

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:14/mi

3:19:49

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:05/mi

3:48:00

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:37/mi

3:59:44

↑ 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

2:00:169:11 /mi⚖️ balanced

2nd Half

1:59:289:07 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

Yi'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	28:41	9:14	3.11 mi	28:41	9:14	-
10K	57:03	9:11	3.10 mi	28:22	9:08	-0:06
15K	1:25:59	9:14	3.11 mi	28:56	9:19	+0:11
20K	1:54:04	9:11	3.11 mi	28:05	9:03	-0:16
Half(13.10 mi)	2:00:16	9:11	0.67 mi	6:12	9:15	+0:12
25K	2:22:33	9:11	2.43 mi	22:17	9:09	-0:06
30K	2:51:09	9:11	3.11 mi	28:36	9:13	+0:04
35K	3:19:49	9:12	3.11 mi	28:40	9:14	+0:01
40K	3:48:00	9:11	3.10 mi	28:11	9:05	-0:09
Finish(26.22 mi)	3:59:44	9:10	1.37 mi	11:44	8:37	-0:28

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:37 /mi

Average Pace

9:09 /mi

Slowest Pace

9:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

11:44

5% of race

Time at Steady Pace

3:48:00

95% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:09 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	30107	8878	8878	25477	7076	7076
10K	3.10 mi	28228+1879	8178+700	8178+700	26421	7491	7491
15K	3.11 mi	27156+1072	7725+453	7725+453	25477	7076	7076
20K	3.11 mi	26239+917	7390+335	7390+335	24179	6644	6644
Half(13.10 mi)	0.67 mi	26021+218	7326+64	7326+64	23426	6453	6453
25K	2.43 mi	25124+897	7043+283	7043+283	22290	6193	6193
30K	3.11 mi	23598+1526	6626+417	6626+417	19187	5320	5320
35K	3.11 mi	22033+1565	6232+394	6232+394	16155	4592	4592
40K	3.10 mi	20697+1336	5915+317	5915+317	14066	4217	4217
Finish(26.22 mi)	1.37 mi	20187+510	5784+131	5784+131	11741	3377	3377

3377

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