Libby Butt

Bib: 49517 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

11:07/mi

34:30

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:19/mi

1:09:39

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:01/mi

1:46:58

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:05/mi

2:24:30

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:46/mi

2:33:04

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:32/mi

2:58:41

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:35/mi

3:31:33

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:28/mi

4:10:15

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:04/mi

4:47:43

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:39/mi

5:00:52

↑ 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

2:33:0411:42 /mi+3.4%

2nd Half

2:27:4811:16 /mi✓ faster

Negative split — 3.4% faster in the second half

AI Race Performance Report

Libby'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	34:30	11:07	3.11 mi	34:30	11:07	-
10K	1:09:39	11:13	3.10 mi	35:09	11:19	+0:12
15K	1:46:58	11:29	3.11 mi	37:19	12:01	+0:42
20K	2:24:30	11:38	3.11 mi	37:32	12:05	+0:04
Half(13.10 mi)	2:33:04	11:42	0.67 mi	8:34	12:46	+0:41
25K	2:58:41	11:31	2.43 mi	25:37	10:32	-2:14
30K	3:31:33	11:21	3.11 mi	32:52	10:35	+0:03
35K	4:10:15	11:31	3.11 mi	38:42	12:28	+1:53
40K	4:47:43	11:35	3.10 mi	37:28	12:04	-0:24
Finish(26.22 mi)	5:00:52	11:30	1.37 mi	13:09	9:39	-2:25

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:39 /mi

Average Pace

11:29 /mi

Slowest Pace

12:46 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:21:17

47% of race

Time at Steady Pace

2:31:01

50% of race

Time at Slower Pace

8:34

3% of race

Average Pace: 11:28 /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	49202	18764	18764	48550	18475	18475
10K	3.10 mi	48443+759	18312+452	18312+452	47928	17991	17991
15K	3.11 mi	48434+9	18313-1	18313-1	48550	18475	18475
20K	3.11 mi	48342+92	18343-30	18343-30	48165	18484	18484
Half(13.10 mi)	0.67 mi	48377-35	18384-41	18384-41	49386	19490	19490
25K	2.43 mi	45846+2531	16982+1402	16982+1402	33529	10984	10984
30K	3.11 mi	42754+3092	15375+1607	15375+1607	29746	9671	9671
35K	3.11 mi	41911+843	15144+231	15144+231	37652	14171	14171
40K	3.10 mi	41240+671	14972+172	14972+172	35916	13780	13780
Finish(26.22 mi)	1.37 mi	40350+890	14531+441	14531+441	20205	6673	6673

6673

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