Stevie Norfolk

Bib: 19758 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

11:18/mi

35:06

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:05/mi

1:12:37

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:30/mi

1:51:25

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:57/mi

2:28:32

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:26/mi

2:36:52

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:34/mi

3:07:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:06/mi

3:48:08

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:07/mi

4:31:57

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:18/mi

5:10:08

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:09/mi

5:26:42

↑ 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

2:36:5211:59 /mi⚡ faster

2nd Half

2:49:5012:57 /mi+8.3%

Positive split — 8.3% slower in the second half

AI Race Performance Report

Stevie'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	35:06	11:18	3.11 mi	35:06	11:18	-
10K	1:12:37	11:42	3.10 mi	37:31	12:05	+0:47
15K	1:51:25	11:58	3.11 mi	38:48	12:30	+0:25
20K	2:28:32	11:58	3.11 mi	37:07	11:57	-0:33
Half(13.10 mi)	2:36:52	11:59	0.67 mi	8:20	12:26	+0:29
25K	3:07:27	12:05	2.43 mi	30:35	12:34	+0:08
30K	3:48:08	12:15	3.11 mi	40:41	13:06	+0:32
35K	4:31:57	12:31	3.11 mi	43:49	14:07	+1:01
40K	5:10:08	12:29	3.10 mi	38:11	12:18	-1:49
Finish(26.22 mi)	5:26:42	12:29	1.37 mi	16:34	12:09	-0:09

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:18 /mi

Average Pace

12:28 /mi

Slowest Pace

14:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:12:13

22% of race

Time at Steady Pace

2:49:59

52% of race

Time at Slower Pace

1:24:30

26% of race

Average Pace: 12:28 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	50496	19562	19562	50765	19896	19896
10K	3.10 mi	51449-953	20196-634	20196-634	52177	20763	20763
15K	3.11 mi	51219+230	20094+102	20094+102	50765	19896	19896
20K	3.11 mi	50102+1117	19456+638	19456+638	47516	18082	18082
Half(13.10 mi)	0.67 mi	49927+175	19367+89	19367+89	47805	18544	18544
25K	2.43 mi	49071+856	18898+469	18898+469	45614	17377	17377
30K	3.11 mi	48286+785	18547+351	18547+351	44936	17359	17359
35K	3.11 mi	48042+244	18545+2	18545+2	46627	18794	18794
40K	3.10 mi	46864+1178	17980+565	17980+565	37532	14565	14565
Finish(26.22 mi)	1.37 mi	46569+295	17875+105	17875+105	40868	16055	16055

16055

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing