Dong Zhang

Bib: 37973 M NO

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 19%

Gender (Male)

#0 / 33594

Top 26%

Division (M18-39)

#0 / 16712

Top 29%

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

7:46/mi

24:05

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:48/mi

48:16

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:03/mi

1:13:14

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:54/mi

1:37:44

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:15/mi

1:43:16

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:01/mi

2:02:46

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:26/mi

2:28:57

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:05/mi

2:57:08

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:49/mi

3:24:30

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:24/mi

3:35:57

↑ 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

1:43:167:54 /mi⚡ faster

2nd Half

1:52:418:36 /mi+9.1%

Positive split — 9.1% slower in the second half

AI Race Performance Report

Dong'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	24:05	7:46	3.11 mi	24:05	7:46	-
10K	48:16	7:47	3.10 mi	24:11	7:48	+0:02
15K	1:13:14	7:52	3.11 mi	24:58	8:03	+0:15
20K	1:37:44	7:52	3.11 mi	24:30	7:54	-0:09
Half(13.10 mi)	1:43:16	7:54	0.67 mi	5:32	8:15	+0:21
25K	2:02:46	7:55	2.43 mi	19:30	8:01	-0:14
30K	2:28:57	8:00	3.11 mi	26:11	8:26	+0:25
35K	2:57:08	8:09	3.11 mi	28:11	9:05	+0:39
40K	3:24:30	8:14	3.10 mi	27:22	8:49	-0:16
Finish(26.22 mi)	3:35:57	8:15	1.37 mi	11:27	8:24	-0:25

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:46 /mi

Average Pace

8:15 /mi

Slowest Pace

9:05 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:40:24

74% of race

Time at Steady Pace

55:33

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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	11286	8935	8935	11310	8931	8931
10K	3.10 mi	10870+416	8653+282	8653+282	10631	8484	8484
15K	3.11 mi	10973-103	8707-54	8707-54	11310	8931	8931
20K	3.11 mi	11075-102	8765-58	8765-58	11744	9247	9247
Half(13.10 mi)	0.67 mi	11154-79	8817-52	8817-52	13165	10185	10185
25K	2.43 mi	11082+72	8746+71	8746+71	11371	8904	8904
30K	3.11 mi	11306-224	8864-118	8864-118	12558	9574	9574
35K	3.11 mi	11861-555	9146-282	9146-282	14901	10744	10744
40K	3.10 mi	11730+131	8956+190	8956+190	12106	8661	8661
Finish(26.22 mi)	1.37 mi	11539+191	8789+167	8789+167	10270	7472	7472

7472

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing