Dong Xu

Bib: 38885 M CN

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 41%

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Top 47%

Division (M55-59)

#0 / 2251

Top 38%

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

8:11/mi

25:24

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:19/mi

51:14

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:37/mi

1:18:00

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:26/mi

1:44:12

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:57/mi

1:50:12

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:11/mi

2:12:32

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:05/mi

2:43:49

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:13/mi

3:21:44

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:50/mi

3:58:29

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:46/mi

4:13:09

↑ 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

1:50:128:25 /mi⚡ faster

2nd Half

2:22:5710:54 /mi+29.7%

Positive split — 29.7% 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	25:24	8:11	3.11 mi	25:24	8:11	-
10K	51:14	8:15	3.10 mi	25:50	8:19	+0:08
15K	1:18:00	8:23	3.11 mi	26:46	8:37	+0:18
20K	1:44:12	8:24	3.11 mi	26:12	8:26	-0:11
Half(13.10 mi)	1:50:12	8:25	0.67 mi	6:00	8:57	+0:31
25K	2:12:32	8:32	2.43 mi	22:20	9:11	+0:14
30K	2:43:49	8:48	3.11 mi	31:17	10:05	+0:54
35K	3:21:44	9:17	3.11 mi	37:55	12:13	+2:08
40K	3:58:29	9:36	3.10 mi	36:45	11:50	-0:23
Finish(26.22 mi)	4:13:09	9:40	1.37 mi	14:40	10:46	-1:04

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:11 /mi

Average Pace

9:40 /mi

Slowest Pace

12:13 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:17:26

31% of race

Time at Steady Pace

55:06

22% of race

Time at Slower Pace

2:00:37

48% of race

Average Pace: 9:39 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	16157	12233	12233	17327	13028	13028
10K	3.10 mi	16360-203	12352-119	12352-119	16591	12509	12509
15K	3.11 mi	16617-257	12539-187	12539-187	17327	13028	13028
20K	3.11 mi	16727-110	12605-66	12605-66	17333	12978	12978
Half(13.10 mi)	0.67 mi	16887-160	12687-82	12687-82	19997	14707	14707
25K	2.43 mi	17640-753	13157-470	13157-470	22492	16199	16199
30K	3.11 mi	19195-1555	14137-980	14137-980	26014	17984	17984
35K	3.11 mi	22948-3753	16334-2197	16334-2197	36056	22608	22608
40K	3.10 mi	24431-1483	17066-732	17066-732	34221	21177	21177
Finish(26.22 mi)	1.37 mi	24531-100	17056+10	17056+10	29383	18626	18626

18626

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