Marah Retherford

Bib: 75678 F US

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F55-59)

#0 / 1484

Top 45%

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

10:11/mi

31:38

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:29/mi

1:04:11

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:57/mi

1:38:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:06/mi

2:15:45

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:52/mi

2:23:02

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:23/mi

2:50:45

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:25/mi

3:26:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:27/mi

4:04:50

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:48/mi

4:44:34

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:10/mi

5:01:09

↑ 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

2:23:0210:56 /mi⚡ faster

2nd Half

2:38:0712:04 /mi+10.5%

Positive split — 10.5% slower in the second half

AI Race Performance Report

Marah'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	31:38	10:11	3.11 mi	31:38	10:11	-
10K	1:04:11	10:20	3.10 mi	32:33	10:29	+0:18
15K	1:38:11	10:33	3.11 mi	34:00	10:57	+0:28
20K	2:15:45	10:56	3.11 mi	37:34	12:06	+1:09
Half(13.10 mi)	2:23:02	10:56	0.67 mi	7:17	10:52	-1:14
25K	2:50:45	11:00	2.43 mi	27:43	11:23	+0:31
30K	3:26:12	11:04	3.11 mi	35:27	11:25	+0:02
35K	4:04:50	11:16	3.11 mi	38:38	12:27	+1:02
40K	4:44:34	11:27	3.10 mi	39:44	12:48	+0:21
Finish(26.22 mi)	5:01:09	11:30	1.37 mi	16:35	12:10	-0:38

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:11 /mi

Average Pace

11:30 /mi

Slowest Pace

12:48 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:45:28

35% of race

Time at Steady Pace

1:03:10

21% of race

Time at Slower Pace

2:12:31

44% of race

Average Pace: 11:29 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	40702	13790	13790	41167	14183	14183
10K	3.10 mi	40797-95	13832-42	13832-42	41099	14048	14048
15K	3.11 mi	40817-20	13891-59	13891-59	41167	14183	14183
20K	3.11 mi	43281-2464	15339-1448	15339-1448	48216	18518	18518
Half(13.10 mi)	0.67 mi	42912+369	15168+171	15168+171	37912	12944	12944
25K	2.43 mi	42079+833	14803+365	14803+365	39527	14002	14002
30K	3.11 mi	40611+1468	14223+580	14223+580	35422	12409	12409
35K	3.11 mi	40105+506	14182+41	14182+41	37528	14113	14113
40K	3.10 mi	40315-210	14483-301	14483-301	41019	16207	16207
Finish(26.22 mi)	1.37 mi	40428-113	14574-91	14574-91	40948	16090	16090

16090

Passing Analysis

No position changes recorded for this athlete.

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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