Stacey Neilson

Bib: 36559 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 46%

Masters (Masters Women)

#0 / 11371

Top 44%

Division (F40-44)

#0 / 3355

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

10:38/mi

33:02

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:42/mi

1:06:16

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:04/mi

1:40:36

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:59/mi

2:14:41

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:02/mi

2:22:05

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:59/mi

2:48:50

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:59/mi

3:22:56

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:04/mi

3:57:16

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:47/mi

4:30:44

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:37/mi

4:45:12

↑ 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

2:22:0510:51 /mi⚖️ balanced

2nd Half

2:23:0710:55 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

Stacey'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	33:02	10:38	3.11 mi	33:02	10:38	-
10K	1:06:16	10:40	3.10 mi	33:14	10:42	+0:04
15K	1:40:36	10:48	3.11 mi	34:20	11:04	+0:22
20K	2:14:41	10:51	3.11 mi	34:05	10:59	-0:05
Half(13.10 mi)	2:22:05	10:51	0.67 mi	7:24	11:02	+0:03
25K	2:48:50	10:53	2.43 mi	26:45	10:59	-0:03
30K	3:22:56	10:54	3.11 mi	34:06	10:59	0:00
35K	3:57:16	10:55	3.11 mi	34:20	11:04	+0:05
40K	4:30:44	10:54	3.10 mi	33:28	10:47	-0:17
Finish(26.22 mi)	4:45:12	10:54	1.37 mi	14:28	10:37	-0:10

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:37 /mi

Average Pace

10:53 /mi

Slowest Pace

11:04 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:45:12

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:53 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	45071	16268	16268	42051	14644	14644
10K	3.10 mi	43902+1169	15586+682	15586+682	43016	15104	15104
15K	3.11 mi	43128+774	15174+412	15174+412	42051	14644	14644
20K	3.11 mi	42550+578	14921+253	14921+253	41539	14664	14664
Half(13.10 mi)	0.67 mi	42315+235	14824+97	14824+97	39276	13656	13656
25K	2.43 mi	41100+1215	14289+535	14289+535	36875	12671	12671
30K	3.11 mi	39308+1792	13536+753	13536+753	32539	10982	10982
35K	3.11 mi	37491+1817	12832+704	12832+704	28735	9872	9872
40K	3.10 mi	35898+1593	12252+580	12252+580	26307	9307	9307
Finish(26.22 mi)	1.37 mi	35433+465	12104+148	12104+148	28176	10146	10146

10146

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#45071
5K → 10K	2941463+1169	#45071 → #43902
10K → 15K	2491023+774	#43902 → #43128
15K → 20K	261839+578	#43128 → #42550
20K → Half	29264+235	#42550 → #42315
Half → 25K	361251+1215	#42315 → #41100
25K → 30K	241816+1792	#41100 → #39308
30K → 35K	251842+1817	#39308 → #37491
35K → 40K	111604+1593	#37491 → #35898
40K → Finish	27492+465	#35898 → #35433
TOTALS	95610594+9638	#45071 → #35433

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