Leah Williams

Bib: 59364 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 46%

Division (F18-39)

#0 / 14744

Top 48%

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

9:08/mi

28:21

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:37/mi

58:12

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:02/mi

1:29:22

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:02/mi

2:00:31

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:35/mi

2:07:37

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:29/mi

2:37:59

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:01/mi

3:15:18

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:55/mi

3:52:17

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:24/mi

4:30:47

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:29/mi

4:45:04

↑ 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

2:07:379:45 /mi⚡ faster

2nd Half

2:37:2712:01 /mi+23.4%

Positive split — 23.4% slower in the second half

AI Race Performance Report

Leah'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	28:21	9:08	3.11 mi	28:21	9:08	-
10K	58:12	9:22	3.10 mi	29:51	9:37	+0:29
15K	1:29:22	9:36	3.11 mi	31:10	10:02	+0:25
20K	2:00:31	9:42	3.11 mi	31:10	10:02	0:00
Half(13.10 mi)	2:07:37	9:45	0.67 mi	7:06	10:35	+0:33
25K	2:37:59	10:11	2.43 mi	30:22	12:29	+1:54
30K	3:15:18	10:29	3.11 mi	37:19	12:01	-0:28
35K	3:52:17	10:41	3.11 mi	36:59	11:55	-0:06
40K	4:30:47	10:54	3.10 mi	38:30	12:24	+0:29
Finish(26.22 mi)	4:45:04	10:53	1.37 mi	14:17	10:29	-1:55

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:08 /mi

Average Pace

10:53 /mi

Slowest Pace

12:29 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

58:12

20% of race

Time at Steady Pace

1:23:42

29% of race

Time at Slower Pace

2:23:10

50% of race

Average Pace: 10:52 /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	28705	8340	8340	33051	10099	10099
10K	3.10 mi	30807-2102	9149-809	9149-809	32661	9934	9934
15K	3.11 mi	31626-819	9480-331	9480-331	33051	10099	10099
20K	3.11 mi	32080-454	9735-255	9735-255	33804	10688	10688
Half(13.10 mi)	0.67 mi	32242-162	9830-95	9830-95	35700	11812	11812
25K	2.43 mi	35110-2868	11211-1381	11211-1381	45182	17120	17120
30K	3.11 mi	36044-934	11892-681	11892-681	39120	14282	14282
35K	3.11 mi	35626+418	11915-23	11915-23	34213	12541	12541
40K	3.10 mi	35918-292	12262-347	12262-347	38224	14906	14906
Finish(26.22 mi)	1.37 mi	35389+529	12088+174	12088+174	27029	9615	9615

9615

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