Shelley Jackman

Bib: 24772 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 42%

Masters (Masters Women)

#0 / 11371

Top 40%

Division (F45-49)

#0 / 2995

Top 43%

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

9:42/mi

30:06

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:39/mi

1:00:03

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:59/mi

1:31:01

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:46/mi

2:01:21

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:05/mi

2:08:07

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:32/mi

2:33:45

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:01/mi

3:11:02

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:42/mi

3:47:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:28/mi

4:22:58

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:27/mi

4:37:13

↑ 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

2:08:079:47 /mi⚡ faster

2nd Half

2:29:0611:22 /mi+16.4%

Positive split — 16.4% slower in the second half

AI Race Performance Report

Shelley'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	30:06	9:42	3.11 mi	30:06	9:42	-
10K	1:00:03	9:40	3.10 mi	29:57	9:39	-0:03
15K	1:31:01	9:46	3.11 mi	30:58	9:59	+0:20
20K	2:01:21	9:46	3.11 mi	30:20	9:46	-0:13
Half(13.10 mi)	2:08:07	9:47	0.67 mi	6:46	10:05	+0:19
25K	2:33:45	9:54	2.43 mi	25:38	10:32	+0:27
30K	3:11:02	10:15	3.11 mi	37:17	12:01	+1:29
35K	3:47:23	10:28	3.11 mi	36:21	11:42	-0:19
40K	4:22:58	10:35	3.10 mi	35:35	11:28	-0:14
Finish(26.22 mi)	4:37:13	10:35	1.37 mi	14:15	10:27	-1:01

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:39 /mi

Average Pace

10:35 /mi

Slowest Pace

12:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:01:21

44% of race

Time at Steady Pace

46:39

17% of race

Time at Slower Pace

1:49:13

39% of race

Average Pace: 10:34 /mi

Loading chart...

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	35304	11063	11063	32444	9843	9843
10K	3.10 mi	34021+1283	10482+581	10482+581	32940	10051	10051
15K	3.11 mi	33413+608	10225+257	10225+257	32444	9843	9843
20K	3.11 mi	32776+637	10033+192	10033+192	31374	9572	9572
Half(13.10 mi)	0.67 mi	32641+135	9996+37	9996+37	31107	9609	9609
25K	2.43 mi	32665-24	10121-125	10121-125	33530	10985	10985
30K	3.11 mi	33891-1226	10851-730	10851-730	39038	14248	14248
35K	3.11 mi	33643+248	11026-175	11026-175	32879	11890	11890
40K	3.10 mi	33208+435	11047-21	11047-21	31336	11596	11596
Finish(26.22 mi)	1.37 mi	32766+442	10933+114	10933+114	26736	9482	9482

9482

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#35304
5K → 10K	1871470+1283	#35304 → #34021
10K → 15K	221829+608	#34021 → #33413
15K → 20K	151788+637	#33413 → #32776
20K → Half	40175+135	#32776 → #32641
Half → 25K	476452-24	#32641 → #32665
25K → 30K	1488262-1226	#32665 → #33891
30K → 35K	513761+248	#33891 → #33643
35K → 40K	301736+435	#33643 → #33208
40K → Finish	33475+442	#33208 → #32766
TOTALS	34105948+2538	#35304 → #32766

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