David Chiu

Bib: 77606 M CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 17%

Gender (Male)

#0 / 33594

Top 23%

Masters (Masters Men)

#0 / 16876

Top 21%

Division (M40-44)

#0 / 4826

Top 27%

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

7:52/mi

24:25

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:55/mi

48:58

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:59/mi

1:13:45

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:43/mi

1:37:42

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:53/mi

1:42:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:48/mi

2:01:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:54/mi

2:26:28

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:14/mi

2:52:00

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:45/mi

3:19:09

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:46/mi

3:31:06

↑ 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

1:42:597:52 /mi⚡ faster

2nd Half

1:48:078:15 /mi+5.0%

Positive split — 5.0% 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	24:25	7:52	3.11 mi	24:25	7:52	-
10K	48:58	7:53	3.10 mi	24:33	7:55	+0:03
15K	1:13:45	7:55	3.11 mi	24:47	7:59	+0:04
20K	1:37:42	7:52	3.11 mi	23:57	7:43	-0:16
Half(13.10 mi)	1:42:59	7:52	0.67 mi	5:17	7:53	+0:10
25K	2:01:58	7:52	2.43 mi	18:59	7:48	-0:05
30K	2:26:28	7:52	3.11 mi	24:30	7:54	+0:06
35K	2:52:00	7:55	3.11 mi	25:32	8:14	+0:20
40K	3:19:09	8:01	3.10 mi	27:09	8:45	+0:31
Finish(26.22 mi)	3:31:06	8:04	1.37 mi	11:57	8:46	+0:01

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:43 /mi

Average Pace

8:03 /mi

Slowest Pace

8:46 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:52:00

81% of race

Time at Steady Pace

39:06

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	12427	9683	9683	10708	8538	8538
10K	3.10 mi	12027+400	9389+294	9389+294	11780	9231	9231
15K	3.11 mi	11490+537	9051+338	9051+338	10708	8538	8538
20K	3.11 mi	11054+436	8753+298	8753+298	9987	8056	8056
Half(13.10 mi)	0.67 mi	10957+97	8682+71	8682+71	9630	7817	7817
25K	2.43 mi	10623+334	8438+244	8438+244	9463	7628	7628
30K	3.11 mi	10070+553	8040+398	8040+398	8283	6728	6728
35K	3.11 mi	9720+350	7722+318	7722+318	8998	7019	7019
40K	3.10 mi	9937-217	7788-66	7788-66	11660	8382	8382
Finish(26.22 mi)	1.37 mi	10075-138	7850-62	7850-62	12898	9029	9029

9029

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