Chloe Spencer

Bib: 34315 F GB

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

13:05/mi

40:37

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

15:44/mi

1:29:28

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

18:26/mi

2:26:42

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:35/mi

3:11:58

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:52/mi

3:21:56

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:49/mi

4:00:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

19:12/mi

5:00:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

16:49/mi

5:52:18

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

17:02/mi

6:45:11

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:32/mi

7:05:00

↑ 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

3:21:5615:25 /mi⚡ faster

2nd Half

3:43:0417:01 /mi+10.5%

Positive split — 10.5% slower in the second half

AI Race Performance Report

Chloe'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	40:37	13:05	3.11 mi	40:37	13:05	-
10K	1:29:28	14:24	3.10 mi	48:51	15:44	+2:39
15K	2:26:42	15:45	3.11 mi	57:14	18:26	+2:42
20K	3:11:58	15:27	3.11 mi	45:16	14:35	-3:51
Half(13.10 mi)	3:21:56	15:25	0.67 mi	9:58	14:52	+0:17
25K	4:00:27	15:29	2.43 mi	38:31	15:49	+0:57
30K	5:00:05	16:06	3.11 mi	59:38	19:12	+3:23
35K	5:52:18	16:12	3.11 mi	52:13	16:49	-2:23
40K	6:45:11	16:19	3.10 mi	52:53	17:02	+0:13
Finish(26.22 mi)	7:05:00	16:14	1.37 mi	19:49	14:32	-2:30

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

13:05 /mi

Average Pace

16:13 /mi

Slowest Pace

19:12 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:55:40

27% of race

Time at Steady Pace

1:27:22

21% of race

Time at Slower Pace

3:41:58

52% of race

Average Pace: 16:13 /mi

Loading chart...

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	57303	24250	24250	59551	25946	25946
10K	3.10 mi	58538-1235	25181-931	25181-931	59002	25534	25534
15K	3.11 mi	59148-610	25635-454	25635-454	59551	25946	25946
20K	3.11 mi	58731+417	25330+305	25330+305	56057	23523	23523
Half(13.10 mi)	0.67 mi	58649+82	25267+63	25267+63	55704	23477	23477
25K	2.43 mi	58337+312	25035+232	25035+232	55644	23366	23366
30K	3.11 mi	58573-236	25221-186	25221-186	58917	25561	25561
35K	3.11 mi	58389+184	25095+126	25095+126	55822	23809	23809
40K	3.10 mi	58297+92	25045+50	25045+50	57163	24590	24590
Finish(26.22 mi)	1.37 mi	58156+141	24971+74	24971+74	53078	22390	22390

22390

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