Isabelle Leather

Bib: 70151 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

12:14/mi

38:00

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

14:12/mi

1:22:07

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

15:25/mi

2:09:58

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

15:10/mi

2:57:03

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

16:00/mi

3:07:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:43/mi

3:43:37

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:32/mi

4:34:59

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:06/mi

5:28:06

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

17:09/mi

6:21:21

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

16:00/mi

6:43:10

↑ 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

3:07:4714:21 /mi⚡ faster

2nd Half

3:35:2316:25 /mi+14.7%

Positive split — 14.7% slower in the second half

AI Race Performance Report

Isabelle'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	38:00	12:14	3.11 mi	38:00	12:14	-
10K	1:22:07	13:13	3.10 mi	44:07	14:12	+1:58
15K	2:09:58	13:57	3.11 mi	47:51	15:25	+1:13
20K	2:57:03	14:15	3.11 mi	47:05	15:10	-0:15
Half(13.10 mi)	3:07:47	14:21	0.67 mi	10:44	16:00	+0:50
25K	3:43:37	14:24	2.43 mi	35:50	14:43	-1:17
30K	4:34:59	14:46	3.11 mi	51:22	16:32	+1:49
35K	5:28:06	15:06	3.11 mi	53:07	17:06	+0:34
40K	6:21:21	15:21	3.10 mi	53:15	17:09	+0:03
Finish(26.22 mi)	6:43:10	15:24	1.37 mi	21:49	16:00	-1:09

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:14 /mi

Average Pace

15:23 /mi

Slowest Pace

17:09 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:45:02

41% of race

Time at Steady Pace

2:11:46

33% of race

Time at Slower Pace

1:46:22

26% of race

Average Pace: 15:23 /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	54953	22551	22551	57987	24794	24794
10K	3.10 mi	56778-1825	23885-1334	23885-1334	57624	24518	24518
15K	3.11 mi	57361-583	24312-427	24312-427	57987	24794	24794
20K	3.11 mi	57330+31	24314-2	24314-2	56989	24151	24151
Half(13.10 mi)	0.67 mi	57348-18	24340-26	24340-26	57464	24612	24612
25K	2.43 mi	56838+510	23986+354	23986+354	53267	21922	21922
30K	3.11 mi	56818+20	24012-26	24012-26	56305	23887	23887
35K	3.11 mi	56895-77	24110-98	24110-98	56338	24107	24107
40K	3.10 mi	57061-166	24229-119	24229-119	57311	24680	24680
Finish(26.22 mi)	1.37 mi	57067-6	24243-14	24243-14	56431	24224	24224

24224

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