Yiyun Chen

Bib: 27840 F TW

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

10:08/mi

31:27

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:10/mi

1:03:01

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:31/mi

1:35:41

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:45/mi

2:09:03

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:07/mi

2:16:30

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:04/mi

2:43:26

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:00/mi

3:20:40

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:26/mi

4:02:24

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:36/mi

4:38:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:46/mi

4:54:28

↑ 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

2:16:3010:26 /mi⚡ faster

2nd Half

2:37:5812:03 /mi+15.7%

Positive split — 15.7% slower in the second half

AI Race Performance Report

Yiyun'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	31:27	10:08	3.11 mi	31:27	10:08	-
10K	1:03:01	10:09	3.10 mi	31:34	10:10	+0:02
15K	1:35:41	10:16	3.11 mi	32:40	10:31	+0:21
20K	2:09:03	10:24	3.11 mi	33:22	10:45	+0:14
Half(13.10 mi)	2:16:30	10:26	0.67 mi	7:27	11:07	+0:22
25K	2:43:26	10:32	2.43 mi	26:56	11:04	-0:03
30K	3:20:40	10:46	3.11 mi	37:14	12:00	+0:56
35K	4:02:24	11:09	3.11 mi	41:44	13:26	+1:26
40K	4:38:26	11:13	3.10 mi	36:02	11:36	-1:50
Finish(26.22 mi)	4:54:28	11:15	1.37 mi	16:02	11:46	+0:10

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:08 /mi

Average Pace

11:14 /mi

Slowest Pace

13:26 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:35:41

32% of race

Time at Steady Pace

1:07:45

23% of race

Time at Slower Pace

2:11:02

44% of race

Average Pace: 11:14 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	40025	13411	13411	37526	12276	12276
10K	3.10 mi	38838+1187	12817+594	12817+594	38049	12465	12465
15K	3.11 mi	38283+555	12558+259	12558+259	37526	12276	12276
20K	3.11 mi	38630-347	12811-253	12811-253	39788	13704	13704
Half(13.10 mi)	0.67 mi	38612+18	12842-31	12842-31	39854	13981	13981
25K	2.43 mi	38231+381	12786+56	12786+56	37376	12925	12925
30K	3.11 mi	38325-94	13028-242	13028-242	38968	14212	14212
35K	3.11 mi	39276-951	13739-711	13739-711	43167	16998	16998
40K	3.10 mi	38420+856	13497+242	13497+242	32520	12152	12152
Finish(26.22 mi)	1.37 mi	38385+35	13563-66	13563-66	37921	14674	14674

14674

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