Rebecca Simcox

Bib: 31426 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 (F60-64)

#0 / 772

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

12:57/mi

40:13

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:14/mi

1:21:19

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:12/mi

2:02:18

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:03/mi

2:42:49

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:21/mi

2:51:46

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:45/mi

3:25:15

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:16/mi

4:09:33

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:45/mi

4:58:28

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:01/mi

5:41:59

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:18/mi

6:00:07

↑ 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

2:51:4613:07 /mi⚡ faster

2nd Half

3:08:2114:22 /mi+9.7%

Positive split — 9.7% slower in the second half

AI Race Performance Report

Rebecca'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	40:13	12:57	3.11 mi	40:13	12:57	-
10K	1:21:19	13:06	3.10 mi	41:06	13:14	+0:17
15K	2:02:18	13:08	3.11 mi	40:59	13:12	-0:02
20K	2:42:49	13:07	3.11 mi	40:31	13:03	-0:09
Half(13.10 mi)	2:51:46	13:07	0.67 mi	8:57	13:21	+0:18
25K	3:25:15	13:13	2.43 mi	33:29	13:45	+0:24
30K	4:09:33	13:24	3.11 mi	44:18	14:16	+0:31
35K	4:58:28	13:44	3.11 mi	48:55	15:45	+1:29
40K	5:41:59	13:46	3.10 mi	43:31	14:01	-1:44
Finish(26.22 mi)	6:00:07	13:45	1.37 mi	18:08	13:18	-0:43

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:57 /mi

Average Pace

13:45 /mi

Slowest Pace

15:45 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

40:13

11% of race

Time at Steady Pace

2:29:41

42% of race

Time at Slower Pace

2:50:13

47% of race

Average Pace: 13:44 /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	F60-64	Seg. Overall	Seg. Females	Seg. F60-64
5K	3.11 mi	57010	24033	24033	53473	21704	21704
10K	3.10 mi	56512+498	23689+344	23689+344	55920	23324	23324
15K	3.11 mi	55567+945	23045+644	23045+644	53473	21704	21704
20K	3.11 mi	54719+848	22493+552	22493+552	51993	20900	20900
Half(13.10 mi)	0.67 mi	54559+160	22401+92	22401+92	51512	20813	20813
25K	2.43 mi	53816+743	21971+430	21971+430	50320	20146	20146
30K	3.11 mi	53249+567	21665+306	21665+306	50118	20261	20261
35K	3.11 mi	53340-91	21817-152	21817-152	53098	22317	22317
40K	3.10 mi	52935+405	21619+198	21619+198	48208	19828	19828
Finish(26.22 mi)	1.37 mi	52793+142	21554+65	21554+65	48049	19727	19727

19727

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#57010
5K → 10K	192690+498	#57010 → #56512
10K → 15K	45990+945	#56512 → #55567
15K → 20K	35883+848	#55567 → #54719
20K → Half	14174+160	#54719 → #54559
Half → 25K	57800+743	#54559 → #53816
25K → 30K	84651+567	#53816 → #53249
30K → 35K	348257-91	#53249 → #53340
35K → 40K	67472+405	#53340 → #52935
40K → Finish	43185+142	#52935 → #52793
TOTALS	8855102+4217	#57010 → #52793

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