Gemma Marpega

Bib: 20803 F PH

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

12:54/mi

40:03

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:22/mi

1:18:26

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

15:13/mi

2:05:41

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:45/mi

2:51:30

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:37/mi

3:01:18

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:12/mi

3:38:19

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:36/mi

4:26:45

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:18/mi

5:14:17

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:36/mi

5:59:38

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:22/mi

6:19:13

↑ 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

3:01:1813:51 /mi⚡ faster

2nd Half

3:17:5515:06 /mi+9.2%

Positive split — 9.2% slower in the second half

AI Race Performance Report

Gemma'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	40:03	12:54	3.11 mi	40:03	12:54	-
10K	1:18:26	12:38	3.10 mi	38:23	12:22	-0:32
15K	2:05:41	13:30	3.11 mi	47:15	15:13	+2:51
20K	2:51:30	13:49	3.11 mi	45:49	14:45	-0:28
Half(13.10 mi)	3:01:18	13:51	0.67 mi	9:48	14:37	-0:08
25K	3:38:19	14:04	2.43 mi	37:01	15:12	+0:35
30K	4:26:45	14:19	3.11 mi	48:26	15:36	+0:24
35K	5:14:17	14:28	3.11 mi	47:32	15:18	-0:18
40K	5:59:38	14:29	3.10 mi	45:21	14:36	-0:42
Finish(26.22 mi)	6:19:13	14:29	1.37 mi	19:35	14:22	-0:14

Trend:

Faster pace

Steady pace

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More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:22 /mi

Average Pace

14:28 /mi

Slowest Pace

15:36 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:18:26

21% of race

Time at Steady Pace

3:24:49

54% of race

Time at Slower Pace

1:35:58

25% of race

Average Pace: 14:28 /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	56907	23956	23956	57758	24626	24626
10K	3.10 mi	55241+1666	22794+1162	22794+1162	53239	21484	21484
15K	3.11 mi	56451-1210	23664-870	23664-870	57758	24626	24626
20K	3.11 mi	56498-47	23723-59	23723-59	56373	23747	23747
Half(13.10 mi)	0.67 mi	56444+54	23697+26	23697+26	55175	23143	23143
25K	2.43 mi	56130+314	23498+199	23498+199	54477	22660	22660
30K	3.11 mi	55969+161	23411+87	23411+87	54375	22748	22748
35K	3.11 mi	55527+442	23168+243	23168+243	51665	21521	21521
40K	3.10 mi	55161+366	22984+184	22984+184	51047	21304	21304
Finish(26.22 mi)	1.37 mi	55072+89	22943+41	22943+41	52570	22140	22140

22140

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