David Chang

Bib: 75225 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 20%

Gender (Male)

#0 / 33594

Top 27%

Masters (Masters Men)

#0 / 16876

Top 24%

Division (M40-44)

#0 / 4826

Top 31%

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

7:56/mi

24:36

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:23/mi

50:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:23/mi

1:16:36

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:10/mi

1:41:57

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:26/mi

1:47:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:24/mi

2:08:03

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:24/mi

2:34:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:18/mi

2:59:52

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:18/mi

3:25:37

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:53/mi

3:37:43

↑ 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

1:47:368:13 /mi⚡ faster

2nd Half

1:50:078:24 /mi+2.3%

Positive split — 2.3% slower in the second half

AI Race Performance Report

David'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	24:36	7:56	3.11 mi	24:36	7:56	-
10K	50:36	8:09	3.10 mi	26:00	8:23	+0:27
15K	1:16:36	8:14	3.11 mi	26:00	8:23	0:00
20K	1:41:57	8:13	3.11 mi	25:21	8:10	-0:13
Half(13.10 mi)	1:47:36	8:13	0.67 mi	5:39	8:26	+0:16
25K	2:08:03	8:15	2.43 mi	20:27	8:24	-0:02
30K	2:34:07	8:17	3.11 mi	26:04	8:24	0:00
35K	2:59:52	8:17	3.11 mi	25:45	8:18	-0:06
40K	3:25:37	8:17	3.10 mi	25:45	8:18	0:00
Finish(26.22 mi)	3:37:43	8:19	1.37 mi	12:06	8:53	+0:35

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:56 /mi

Average Pace

8:19 /mi

Slowest Pace

8:53 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:25:37

94% of race

Time at Steady Pace

12:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	13085	10142	10142	14979	11457	11457
10K	3.10 mi	15257-2172	11588-1446	11588-1446	17055	12824	12824
15K	3.11 mi	15137+120	11530+58	11530+58	14979	11457	11457
20K	3.11 mi	14981+156	11425+105	11425+105	14659	11221	11221
Half(13.10 mi)	0.67 mi	14952+29	11397+28	11397+28	14794	11243	11243
25K	2.43 mi	14868+84	11319+78	11319+78	14884	11241	11241
30K	3.11 mi	14162+706	10804+515	10804+515	12308	9410	9410
35K	3.11 mi	13028+1134	9931+873	9931+873	9458	7317	7317
40K	3.10 mi	12094+934	9186+745	9186+745	8702	6586	6586
Finish(26.22 mi)	1.37 mi	12091+3	9140+46	9140+46	13818	9590	9590

9590

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