Kai Chen

Bib: 53810 F CN

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 41%

Gender (Female)

#0 / 26115

Top 28%

Division (F18-39)

#0 / 14744

Top 30%

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

25:25

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:40/mi

52:18

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:03/mi

1:20:25

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:07/mi

1:48:42

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:18/mi

1:54:56

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:35/mi

2:18:15

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:09/mi

2:49:46

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:34/mi

3:28:46

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:51/mi

3:59:22

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:36/mi

4:12:27

↑ 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

1:54:568:47 /mi⚡ faster

2nd Half

2:17:3110:29 /mi+19.6%

Positive split — 19.6% slower in the second half

AI Race Performance Report

Kai'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	25:25	8:11	3.11 mi	25:25	8:11	-
10K	52:18	8:26	3.10 mi	26:53	8:40	+0:29
15K	1:20:25	8:38	3.11 mi	28:07	9:03	+0:23
20K	1:48:42	8:45	3.11 mi	28:17	9:07	+0:04
Half(13.10 mi)	1:54:56	8:47	0.67 mi	6:14	9:18	+0:11
25K	2:18:15	8:54	2.43 mi	23:19	9:35	+0:17
30K	2:49:46	9:07	3.11 mi	31:31	10:09	+0:34
35K	3:28:46	9:36	3.11 mi	39:00	12:34	+2:25
40K	3:59:22	9:38	3.10 mi	30:36	9:51	-2:43
Finish(26.22 mi)	4:12:27	9:39	1.37 mi	13:05	9:36	-0:15

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:11 /mi

Average Pace

9:38 /mi

Slowest Pace

12:34 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:18

21% of race

Time at Steady Pace

2:09:38

51% of race

Time at Slower Pace

1:10:31

28% of race

Average Pace: 9:38 /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	16244	3948	3948	21988	5861	5861
10K	3.10 mi	18088-1844	4562-614	4562-614	20106	5250	5250
15K	3.11 mi	19268-1180	4961-399	4961-399	21988	5861	5861
20K	3.11 mi	20610-1342	5393-432	5393-432	25060	6977	6977
Half(13.10 mi)	0.67 mi	20724-114	5443-50	5443-50	24057	6725	6725
25K	2.43 mi	21573-849	5801-358	5801-358	26086	7620	7620
30K	3.11 mi	22731-1158	6296-495	6296-495	26560	8225	8225
35K	3.11 mi	25954-3223	7725-1429	7725-1429	38247	14477	14477
40K	3.10 mi	24737+1217	7447+278	7447+278	19834	6474	6474
Finish(26.22 mi)	1.37 mi	24295+442	7354+93	7354+93	19787	6500	6500

6500

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing