Gemma Byron

Bib: 65337 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 (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

12:06/mi

37:34

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:54/mi

1:17:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:53/mi

1:57:35

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:30/mi

2:39:31

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

16:43/mi

2:50:44

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:10/mi

3:25:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:15/mi

4:09:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:25/mi

4:54:17

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:06/mi

5:38:05

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:12/mi

5:57:26

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

6–172 ft

≈

×14story building

•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half

2:50:4413:03 /mi⚡ faster

2nd Half

3:06:4214:14 /mi+9.4%

Positive split — 9.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	37:34	12:06	3.11 mi	37:34	12:06	-
10K	1:17:36	12:30	3.10 mi	40:02	12:54	+0:48
15K	1:57:35	12:37	3.11 mi	39:59	12:53	-0:01
20K	2:39:31	12:51	3.11 mi	41:56	13:30	+0:37
Half(13.10 mi)	2:50:44	13:03	0.67 mi	11:13	16:43	+3:13
25K	3:25:14	13:13	2.43 mi	34:30	14:10	-2:33
30K	4:09:30	13:24	3.11 mi	44:16	14:15	+0:05
35K	4:54:17	13:32	3.11 mi	44:47	14:25	+0:10
40K	5:38:05	13:37	3.10 mi	43:48	14:06	-0:19
Finish(26.22 mi)	5:57:26	13:39	1.37 mi	19:21	14:12	+0:06

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:06 /mi

Average Pace

13:39 /mi

Slowest Pace

16:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:39:31

45% of race

Time at Steady Pace

3:06:42

52% of race

Time at Slower Pace

11:13

3% of race

Average Pace: 13:38 /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	54430	22198	22198	52275	20904	20904
10K	3.10 mi	54793-363	22475-277	22475-277	55027	22683	22683
15K	3.11 mi	53968+825	21940+535	21940+535	52275	20904	20904
20K	3.11 mi	53830+138	21908+32	21908+32	53428	21868	21868
Half(13.10 mi)	0.67 mi	54307-477	22237-329	22237-329	58191	25077	25077
25K	2.43 mi	53814+493	21969+268	21969+268	51692	20957	20957
30K	3.11 mi	53241+573	21660+309	21660+309	50065	20230	20230
35K	3.11 mi	52626+615	21358+302	21358+302	48072	19567	19567
40K	3.10 mi	52349+277	21250+108	21250+108	48671	20071	20071
Finish(26.22 mi)	1.37 mi	52394-45	21310-60	21310-60	51942	21799	21799

21799

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#54430
5K → 10K	815452-363	#54430 → #54793
10K → 15K	106931+825	#54793 → #53968
15K → 20K	294432+138	#53968 → #53830
20K → Half	49922-477	#53830 → #54307
Half → 25K	114607+493	#54307 → #53814
25K → 30K	82655+573	#53814 → #53241
30K → 35K	57672+615	#53241 → #52626
35K → 40K	118395+277	#52626 → #52349
40K → Finish	13893-45	#52349 → #52394
TOTALS	22234259+2036	#54430 → #52394

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing