Alison Byrne

Bib: 26015 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

10:59/mi

34:06

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:41/mi

1:07:15

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:37/mi

1:43:18

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:42/mi

2:19:36

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:54/mi

2:27:35

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:01/mi

2:56:51

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:08/mi

3:34:31

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:19/mi

4:12:46

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:47/mi

4:49:20

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:37/mi

5:05:10

↑ 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

2:27:3511:17 /mi⚡ faster

2nd Half

2:37:3512:01 /mi+6.8%

Positive split — 6.8% slower in the second half

AI Race Performance Report

Alison'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	34:06	10:59	3.11 mi	34:06	10:59	-
10K	1:07:15	10:50	3.10 mi	33:09	10:41	-0:18
15K	1:43:18	11:05	3.11 mi	36:03	11:37	+0:56
20K	2:19:36	11:14	3.11 mi	36:18	11:42	+0:05
Half(13.10 mi)	2:27:35	11:17	0.67 mi	7:59	11:54	+0:12
25K	2:56:51	11:24	2.43 mi	29:16	12:01	+0:07
30K	3:34:31	11:31	3.11 mi	37:40	12:08	+0:07
35K	4:12:46	11:38	3.11 mi	38:15	12:19	+0:11
40K	4:49:20	11:39	3.10 mi	36:34	11:47	-0:32
Finish(26.22 mi)	5:05:10	11:39	1.37 mi	15:50	11:37	-0:10

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:41 /mi

Average Pace

11:39 /mi

Slowest Pace

12:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:35:26

51% of race

Time at Steady Pace

2:29:44

49% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:38 /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	48186	18169	18169	46065	16956	16956
10K	3.10 mi	45346+2840	16441+1728	16441+1728	42787	14974	14974
15K	3.11 mi	45501-155	16550-109	16550-109	46065	16956	16956
20K	3.11 mi	45689-188	16742-192	16742-192	46154	17279	17279
Half(13.10 mi)	0.67 mi	45618+71	16726+16	16726+16	45232	17033	17033
25K	2.43 mi	45039+579	16505+221	16505+221	43097	15951	15951
30K	3.11 mi	43919+1120	16011+494	16011+494	39737	14611	14611
35K	3.11 mi	42724+1195	15589+422	15589+422	36786	13770	13770
40K	3.10 mi	41700+1024	15198+391	15198+391	33841	12812	12812
Finish(26.22 mi)	1.37 mi	41459+241	15134+64	15134+64	36758	14142	14142

14142

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