Isabel Sapwell

Bib: 53554 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

10:08/mi

31:28

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:01/mi

1:08:48

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:23/mi

1:50:21

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:15/mi

2:31:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

15:05/mi

2:41:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:14/mi

3:16:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:37/mi

3:58:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:33/mi

4:46:48

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:03/mi

5:30:25

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:22/mi

5:47:16

↑ 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

2:41:3612:21 /mi⚡ faster

2nd Half

3:05:4014:10 /mi+14.9%

Positive split — 14.9% slower in the second half

AI Race Performance Report

Isabel'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	31:28	10:08	3.11 mi	31:28	10:08	-
10K	1:08:48	11:05	3.10 mi	37:20	12:01	+1:53
15K	1:50:21	11:51	3.11 mi	41:33	13:23	+1:22
20K	2:31:29	12:12	3.11 mi	41:08	13:15	-0:08
Half(13.10 mi)	2:41:36	12:21	0.67 mi	10:07	15:05	+1:50
25K	3:16:14	12:38	2.43 mi	34:38	14:14	-0:51
30K	3:58:30	12:48	3.11 mi	42:16	13:37	-0:37
35K	4:46:48	13:12	3.11 mi	48:18	15:33	+1:56
40K	5:30:25	13:18	3.10 mi	43:37	14:03	-1:30
Finish(26.22 mi)	5:47:16	13:16	1.37 mi	16:51	12:22	-1:41

Trend:

Faster pace

Steady pace

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More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:08 /mi

Average Pace

13:15 /mi

Slowest Pace

15:33 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:25:39

25% of race

Time at Steady Pace

3:23:12

59% of race

Time at Slower Pace

58:25

17% of race

Average Pace: 13:15 /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	40107	13463	13463	54058	22088	22088
10K	3.10 mi	47404-7297	17663-4200	17663-4200	51919	20592	20592
15K	3.11 mi	50580-3176	19691-2028	19691-2028	54058	22088	22088
20K	3.11 mi	51324-744	20245-554	20245-554	52647	21336	21336
Half(13.10 mi)	0.67 mi	51694-370	20502-257	20502-257	56098	23718	23718
25K	2.43 mi	51721-27	20601-99	20601-99	51879	21064	21064
30K	3.11 mi	50996+725	20213+388	20213+388	47345	18692	18692
35K	3.11 mi	51336-340	20539-326	20539-326	52493	21955	21955
40K	3.10 mi	51088+248	20476+63	20476+63	48399	19930	19930
Finish(26.22 mi)	1.37 mi	50730+358	20306+170	20306+170	42437	16833	16833

16833

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