Lydia Slack

Bib: 57518 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 38%

Gender (Female)

#0 / 26115

Top 25%

Division (F18-39)

#0 / 14744

Top 27%

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

8:34/mi

26:36

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:36/mi

53:19

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:40/mi

1:20:13

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:29/mi

1:46:32

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:48/mi

1:52:26

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:42/mi

2:13:36

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:34/mi

2:43:17

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:15/mi

3:18:14

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:17/mi

3:53:17

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:42/mi

4:06:30

↑ 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

1:52:268:36 /mi⚡ faster

2nd Half

2:14:0410:14 /mi+19.2%

Positive split — 19.2% slower in the second half

AI Race Performance Report

Lydia's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:36	8:34	3.11 mi	26:36	8:34	-
10K	53:19	8:35	3.10 mi	26:43	8:36	+0:02
15K	1:20:13	8:37	3.11 mi	26:54	8:40	+0:04
20K	1:46:32	8:35	3.11 mi	26:19	8:29	-0:11
Half(13.10 mi)	1:52:26	8:36	0.67 mi	5:54	8:48	+0:19
25K	2:13:36	8:37	2.43 mi	21:10	8:42	-0:06
30K	2:43:17	8:46	3.11 mi	29:41	9:34	+0:52
35K	3:18:14	9:07	3.11 mi	34:57	11:15	+1:41
40K	3:53:17	9:24	3.10 mi	35:03	11:17	+0:02
Finish(26.22 mi)	4:06:30	9:25	1.37 mi	13:13	9:42	-1:35

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:29 /mi

Average Pace

9:25 /mi

Slowest Pace

11:17 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:13:36

54% of race

Time at Slower Pace

1:52:54

46% of race

Average Pace: 9:24 /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	20614	5416	5416	17740	4434	4434
10K	3.10 mi	19948+666	5180+236	5180+236	19464	5033	5033
15K	3.11 mi	19021+927	4881+299	4881+299	17740	4434	4434
20K	3.11 mi	18619+402	4774+107	4774+107	17738	4472	4472
Half(13.10 mi)	0.67 mi	18592+27	4763+11	4763+11	18573	4801	4801
25K	2.43 mi	18333+259	4696+67	4696+67	17549	4505	4505
30K	3.11 mi	18902-569	4953-257	4953-257	22333	6506	6506
35K	3.11 mi	21227-2325	5937-984	5937-984	29991	10493	10493
40K	3.10 mi	22641-1414	6649-712	6649-712	30032	10991	10991
Finish(26.22 mi)	1.37 mi	22437+204	6642+7	6642+7	20561	6827	6827

6827

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