Siu Cheong Lai

Bib: 49889 M HK

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 15%

Masters (Masters Men)

#0 / 16876

Top 13%

Division (M45-49)

#0 / 4167

Top 17%

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

6:40/mi

20:42

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:50/mi

41:54

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:01/mi

1:03:39

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

6:48/mi

1:24:44

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:56/mi

1:29:23

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

6:55/mi

1:46:12

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:18/mi

2:08:50

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:51/mi

2:33:13

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:45/mi

3:03:29

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:12/mi

3:16:01

↑ 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

1:29:236:50 /mi⚡ faster

2nd Half

1:46:388:08 /mi+19.3%

Positive split — 19.3% slower in the second half

AI Race Performance Report

Siu'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	20:42	6:40	3.11 mi	20:42	6:40	-
10K	41:54	6:45	3.10 mi	21:12	6:50	+0:10
15K	1:03:39	6:50	3.11 mi	21:45	7:01	+0:11
20K	1:24:44	6:50	3.11 mi	21:05	6:48	-0:13
Half(13.10 mi)	1:29:23	6:50	0.67 mi	4:39	6:56	+0:08
25K	1:46:12	6:51	2.43 mi	16:49	6:55	-0:01
30K	2:08:50	6:55	3.11 mi	22:38	7:18	+0:23
35K	2:33:13	7:03	3.11 mi	24:23	7:51	+0:33
40K	3:03:29	7:23	3.10 mi	30:16	9:45	+1:54
Finish(26.22 mi)	3:16:01	7:29	1.37 mi	12:32	9:12	-0:33

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:40 /mi

Average Pace

7:29 /mi

Slowest Pace

9:45 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:08:50

66% of race

Time at Slower Pace

1:07:11

34% of race

Average Pace: 7:29 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	3579	3286	3286	4567	4174	4174
10K	3.10 mi	3841-262	3529-243	3529-243	4224	3869	3869
15K	3.11 mi	4039-198	3706-177	3706-177	4567	4174	4174
20K	3.11 mi	4055-16	3724-18	3724-18	4215	3874	3874
Half(13.10 mi)	0.67 mi	4038+17	3711+13	3711+13	3990	3692	3692
25K	2.43 mi	4063-25	3728-17	3728-17	4329	3958	3958
30K	3.11 mi	4302-239	3929-201	3929-201	4951	4405	4405
35K	3.11 mi	4539-237	4092-163	4092-163	6729	5497	5497
40K	3.10 mi	5701-1162	4940-848	4940-848	19049	12858	12858
Finish(26.22 mi)	1.37 mi	6078-377	5171-231	5171-231	16465	11216	11216

11216

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