Harriet Bell

Bib: 10207 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 33%

Gender (Female)

#0 / 26115

Top 21%

Division (F18-39)

#0 / 14744

Top 23%

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

8:45/mi

27:10

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:49/mi

54:31

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:03/mi

1:22:35

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:43/mi

1:49:38

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:07/mi

1:55:45

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:58/mi

2:17:34

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:12/mi

2:46:06

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:21/mi

3:15:08

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:01/mi

3:46:14

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:56/mi

3:58:25

↑ 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

1:55:458:51 /mi⚡ faster

2nd Half

2:02:409:21 /mi+6.0%

Positive split — 6.0% slower in the second half

AI Race Performance Report

Harriet'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	27:10	8:45	3.11 mi	27:10	8:45	-
10K	54:31	8:47	3.10 mi	27:21	8:49	+0:04
15K	1:22:35	8:52	3.11 mi	28:04	9:03	+0:14
20K	1:49:38	8:50	3.11 mi	27:03	8:43	-0:20
Half(13.10 mi)	1:55:45	8:51	0.67 mi	6:07	9:07	+0:24
25K	2:17:34	8:52	2.43 mi	21:49	8:58	-0:09
30K	2:46:06	8:55	3.11 mi	28:32	9:12	+0:14
35K	3:15:08	8:59	3.11 mi	29:02	9:21	+0:09
40K	3:46:14	9:07	3.10 mi	31:06	10:01	+0:40
Finish(26.22 mi)	3:58:25	9:06	1.37 mi	12:11	8:56	-1:05

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:43 /mi

Average Pace

9:06 /mi

Slowest Pace

10:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:27:19

87% of race

Time at Steady Pace

31:06

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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	23022	6242	6242	21774	5775	5775
10K	3.10 mi	22407+615	6039+203	6039+203	21918	5899	5899
15K	3.11 mi	22090+317	5905+134	5905+134	21774	5775	5775
20K	3.11 mi	21481+609	5689+216	5689+216	20095	5268	5268
Half(13.10 mi)	0.67 mi	21476+5	5715-26	5715-26	21967	5973	5973
25K	2.43 mi	21090+386	5631+84	5631+84	20188	5449	5449
30K	3.11 mi	20520+570	5520+111	5520+111	18987	5263	5263
35K	3.11 mi	19673+847	5384+136	5384+136	17130	4970	4970
40K	3.10 mi	19906-233	5640-256	5640-256	20991	6956	6956
Finish(26.22 mi)	1.37 mi	19592+314	5575+65	5575+65	14423	4442	4442

4442

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#23022
5K → 10K	287902+615	#23022 → #22407
10K → 15K	264581+317	#22407 → #22090
15K → 20K	73682+609	#22090 → #21481
20K → Half	8792+5	#21481 → #21476
Half → 25K	129515+386	#21476 → #21090
25K → 30K	144714+570	#21090 → #20520
30K → 35K	143990+847	#20520 → #19673
35K → 40K	637404-233	#19673 → #19906
40K → Finish	58372+314	#19906 → #19592
TOTALS	18225252+3430	#23022 → #19592

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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