Leah Biles

Bib: 35757 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F45-49)

#0 / 2995

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

12:31/mi

38:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:09/mi

1:19:42

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:52/mi

2:05:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:31/mi

2:50:55

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

15:05/mi

3:01:02

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:10/mi

3:37:57

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:43/mi

4:29:51

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:04/mi

5:22:52

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

16:47/mi

6:15:00

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

17:00/mi

6:38:11

↑ 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

3:01:0213:50 /mi⚡ faster

2nd Half

3:37:0916:34 /mi+20.0%

Positive split — 20.0% 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	38:52	12:31	3.11 mi	38:52	12:31	-
10K	1:19:42	12:50	3.10 mi	40:50	13:09	+0:38
15K	2:05:51	13:31	3.11 mi	46:09	14:52	+1:43
20K	2:50:55	13:46	3.11 mi	45:04	14:31	-0:21
Half(13.10 mi)	3:01:02	13:50	0.67 mi	10:07	15:05	+0:34
25K	3:37:57	14:02	2.43 mi	36:55	15:10	+0:05
30K	4:29:51	14:29	3.11 mi	51:54	16:43	+1:33
35K	5:22:52	14:51	3.11 mi	53:01	17:04	+0:21
40K	6:15:00	15:06	3.10 mi	52:08	16:47	-0:17
Finish(26.22 mi)	6:38:11	15:12	1.37 mi	23:11	17:00	+0:13

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:31 /mi

Average Pace

15:12 /mi

Slowest Pace

17:04 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:19:42

20% of race

Time at Steady Pace

2:18:15

35% of race

Time at Slower Pace

3:00:14

45% of race

Average Pace: 15:11 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	55884	23218	23218	57280	24282	24282
10K	3.10 mi	55836+48	23217+1	23217+1	55724	23186	23186
15K	3.11 mi	56499-663	23699-482	23699-482	57280	24282	24282
20K	3.11 mi	56398+101	23650+49	23650+49	55934	23449	23449
Half(13.10 mi)	0.67 mi	56405-7	23669-19	23669-19	56111	23731	23731
25K	2.43 mi	56080+325	23460+209	23460+209	54392	22606	22606
30K	3.11 mi	56313-233	23658-198	23658-198	56555	24040	24040
35K	3.11 mi	56437-124	23799-141	23799-141	56282	24076	24076
40K	3.10 mi	56599-162	23940-141	23940-141	56820	24402	24402
Finish(26.22 mi)	1.37 mi	56730-131	24035-95	24035-95	57688	24936	24936

24936

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#55884
5K → 10K	471519+48	#55884 → #55836
10K → 15K	784121-663	#55836 → #56499
15K → 20K	236337+101	#56499 → #56398
20K → Half	6659-7	#56398 → #56405
Half → 25K	98423+325	#56405 → #56080
25K → 30K	401168-233	#56080 → #56313
30K → 35K	247123-124	#56313 → #56437
35K → 40K	23371-162	#56437 → #56599
40K → Finish	16130-131	#56599 → #56730
TOTALS	26971851-846	#55884 → #56730

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