Libby Allen

Bib: 36598 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

12:37/mi

39:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:14/mi

1:17:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:37/mi

1:59:28

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:37/mi

2:41:46

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:39/mi

2:50:15

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:33/mi

3:23:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:53/mi

4:03:14

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:01/mi

4:49:53

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:29/mi

5:31:45

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:24/mi

5:48:39

↑ 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

2:50:1513:00 /mi⚡ faster

2nd Half

2:58:2413:36 /mi+4.8%

Positive split — 4.8% slower in the second half

AI Race Performance Report

Libby'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	39:11	12:37	3.11 mi	39:11	12:37	-
10K	1:17:10	12:26	3.10 mi	37:59	12:14	-0:23
15K	1:59:28	12:50	3.11 mi	42:18	13:37	+1:23
20K	2:41:46	13:02	3.11 mi	42:18	13:37	0:00
Half(13.10 mi)	2:50:15	13:00	0.67 mi	8:29	12:39	-0:58
25K	3:23:14	13:05	2.43 mi	32:59	13:33	+0:54
30K	4:03:14	13:03	3.11 mi	40:00	12:53	-0:40
35K	4:49:53	13:20	3.11 mi	46:39	15:01	+2:08
40K	5:31:45	13:21	3.10 mi	41:52	13:29	-1:32
Finish(26.22 mi)	5:48:39	13:19	1.37 mi	16:54	12:24	-1:05

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:14 /mi

Average Pace

13:18 /mi

Slowest Pace

15:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:22:33

41% of race

Time at Steady Pace

2:39:27

46% of race

Time at Slower Pace

46:39

13% of race

Average Pace: 13:18 /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	56148	23412	23412	54737	22540	22540
10K	3.10 mi	54531+1617	22289+1123	22289+1123	52777	21171	21171
15K	3.11 mi	54689-158	22430-141	22430-141	54737	22540	22540
20K	3.11 mi	54449+240	22311+119	22311+119	53778	22078	22078
Half(13.10 mi)	0.67 mi	54173+276	22147+164	22147+164	48856	19174	19174
25K	2.43 mi	53391+782	21694+453	21694+453	49626	19731	19731
30K	3.11 mi	52058+1333	20913+781	20913+781	43801	16753	16753
35K	3.11 mi	51912+146	20901+12	20901+12	50640	20948	20948
40K	3.10 mi	51325+587	20614+287	20614+287	45238	18317	18317
Finish(26.22 mi)	1.37 mi	50967+358	20446+168	20446+168	42690	16959	16959

16959

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#56148
5K → 10K	451662*+1617	#56148 → #54531
10K → 15K	200200-158	#54531 → #54689
15K → 20K	200440*+240	#54689 → #54449
20K → Half	4280*+276	#54449 → #54173
Half → 25K	47829*+782	#54173 → #53391
25K → 30K	61339+1333	#53391 → #52058
30K → 35K	200346*+146	#52058 → #51912
35K → 40K	40627*+587	#51912 → #51325
40K → Finish	7365*+358	#51325 → #50967
TOTALS	7496088*+5181	#56148 → #50967

* Includes athletes who did not complete a segment (DNF/DNQ).

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