Justin Chiu

Bib: 81538 M US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 33%

Gender (Male)

#0 / 33594

Top 41%

Division (M18-39)

#0 / 16712

Top 45%

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

8:19/mi

25:49

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:40/mi

52:42

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:54/mi

1:20:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:39/mi

1:47:11

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:54/mi

1:53:09

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:47/mi

2:14:31

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:20/mi

2:43:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:16/mi

3:15:21

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:35/mi

3:45:05

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:36/mi

3:58:10

↑ 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

1:53:098:39 /mi⚡ faster

2nd Half

2:05:019:32 /mi+10.5%

Positive split — 10.5% slower in the second half

AI Race Performance Report

Justin'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	25:49	8:19	3.11 mi	25:49	8:19	-
10K	52:42	8:29	3.10 mi	26:53	8:40	+0:21
15K	1:20:20	8:38	3.11 mi	27:38	8:54	+0:14
20K	1:47:11	8:38	3.11 mi	26:51	8:39	-0:15
Half(13.10 mi)	1:53:09	8:39	0.67 mi	5:58	8:54	+0:15
25K	2:14:31	8:40	2.43 mi	21:22	8:47	-0:07
30K	2:43:30	8:47	3.11 mi	28:59	9:20	+0:33
35K	3:15:21	8:59	3.11 mi	31:51	10:16	+0:56
40K	3:45:05	9:04	3.10 mi	29:44	9:35	-0:41
Finish(26.22 mi)	3:58:10	9:06	1.37 mi	13:05	9:36	+0:01

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:19 /mi

Average Pace

9:05 /mi

Slowest Pace

10:16 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

25:49

11% of race

Time at Steady Pace

1:48:42

46% of race

Time at Slower Pace

1:43:39

44% of race

Average Pace: 9:05 /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	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	17641	13237	13237	20194	14936	14936
10K	3.10 mi	18764-1123	13949-712	13949-712	20055	14804	14804
15K	3.11 mi	19148-384	14211-262	14211-262	20194	14936	14936
20K	3.11 mi	19192-44	14228-17	14228-17	19379	14355	14355
Half(13.10 mi)	0.67 mi	19184+8	14216+12	14216+12	19421	14307	14307
25K	2.43 mi	18934+250	14012+204	14012+204	18245	13477	13477
30K	3.11 mi	19000-66	13993+19	13993+19	20418	14628	14628
35K	3.11 mi	19763-763	14322-329	14322-329	23476	15953	15953
40K	3.10 mi	19418+345	13949+373	13949+373	17862	12150	12150
Finish(26.22 mi)	1.37 mi	19455-37	13913+36	13913+36	19738	13239	13239

13239

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