Siwei Ye

Bib: 15266 F CN

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 28%

Gender (Female)

#0 / 26115

Top 18%

Division (F18-39)

#0 / 14744

Top 19%

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

7:35/mi

23:33

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:38/mi

47:14

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:54/mi

1:11:46

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:44/mi

1:35:45

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:06/mi

1:41:11

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:05/mi

2:00:50

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:50/mi

2:28:14

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:06/mi

2:56:29

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:34/mi

3:38:37

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:42/mi

3:51:50

↑ 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

1:41:117:44 /mi⚡ faster

2nd Half

2:10:399:58 /mi+29.1%

Positive split — 29.1% slower in the second half

AI Race Performance Report

Siwei's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	23:33	7:35	3.11 mi	23:33	7:35	-
10K	47:14	7:37	3.10 mi	23:41	7:38	+0:03
15K	1:11:46	7:42	3.11 mi	24:32	7:54	+0:16
20K	1:35:45	7:43	3.11 mi	23:59	7:44	-0:10
Half(13.10 mi)	1:41:11	7:44	0.67 mi	5:26	8:06	+0:22
25K	2:00:50	7:47	2.43 mi	19:39	8:05	-0:01
30K	2:28:14	7:58	3.11 mi	27:24	8:50	+0:45
35K	2:56:29	8:07	3.11 mi	28:15	9:06	+0:16
40K	3:38:37	8:48	3.10 mi	42:08	13:34	+4:28
Finish(26.22 mi)	3:51:50	8:51	1.37 mi	13:13	9:42	-3:52

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:35 /mi

Average Pace

8:51 /mi

Slowest Pace

13:34 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:28:14

64% of race

Time at Slower Pace

1:23:36

36% of race

Average Pace: 8:51 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	9666	1813	1813	10032	1937	1937
10K	3.10 mi	9442+224	1742+71	1742+71	9321	1686	1686
15K	3.11 mi	9644-202	1803-61	1803-61	10032	1937	1937
20K	3.11 mi	9702-58	1830-27	1830-27	10111	1973	1973
Half(13.10 mi)	0.67 mi	9760-58	1854-24	1854-24	11879	2566	2566
25K	2.43 mi	9976-216	1945-91	1945-91	12028	2663	2663
30K	3.11 mi	10878-902	2307-362	2307-362	15786	4111	4111
35K	3.11 mi	11609-731	2617-310	2617-310	15077	4217	4217
40K	3.10 mi	16844-5235	4523-1906	4523-1906	45724	18540	18540
Finish(26.22 mi)	1.37 mi	16963-119	4604-81	4604-81	20552	6818	6818

6818

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