Gemma Challis

Bib: 27219 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 44%

Gender (Female)

#0 / 26115

Top 31%

Division (F18-39)

#0 / 14744

Top 33%

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

9:14/mi

28:41

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:19/mi

57:37

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:35/mi

1:27:22

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:15/mi

1:56:05

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:33/mi

2:02:29

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:38/mi

2:25:55

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:18/mi

2:57:53

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:34/mi

3:30:40

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:51/mi

4:04:22

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:32/mi

4:18:43

↑ 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

2:02:299:22 /mi⚡ faster

2nd Half

2:16:1410:24 /mi+11.2%

Positive split — 11.2% slower in the second half

AI Race Performance Report

Gemma'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	28:41	9:14	3.11 mi	28:41	9:14	-
10K	57:37	9:17	3.10 mi	28:56	9:19	+0:05
15K	1:27:22	9:23	3.11 mi	29:45	9:35	+0:16
20K	1:56:05	9:21	3.11 mi	28:43	9:15	-0:20
Half(13.10 mi)	2:02:29	9:22	0.67 mi	6:24	9:33	+0:18
25K	2:25:55	9:24	2.43 mi	23:26	9:38	+0:05
30K	2:57:53	9:33	3.11 mi	31:58	10:18	+0:40
35K	3:30:40	9:42	3.11 mi	32:47	10:34	+0:16
40K	4:04:22	9:50	3.10 mi	33:42	10:51	+0:17
Finish(26.22 mi)	4:18:43	9:53	1.37 mi	14:21	10:32	-0:19

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:14 /mi

Average Pace

9:52 /mi

Slowest Pace

10:51 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:25:55

56% of race

Time at Steady Pace

1:52:48

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:52 /mi

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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	30154	8892	8892	28757	8332	8332
10K	3.10 mi	29596+558	8701+191	8701+191	29143	8492	8492
15K	3.11 mi	29189+407	8500+201	8500+201	28757	8332	8332
20K	3.11 mi	28339+850	8202+298	8202+298	26611	7573	7573
Half(13.10 mi)	0.67 mi	28148+191	8147+55	8147+55	26580	7665	7665
25K	2.43 mi	27691+457	8017+130	8017+130	26499	7797	7797
30K	3.11 mi	27410+281	8080-63	8080-63	27629	8669	8669
35K	3.11 mi	26739+671	8042+38	8042+38	25423	8346	8346
40K	3.10 mi	26494+245	8168-126	8168-126	26846	9552	9552
Finish(26.22 mi)	1.37 mi	26428+66	8222-54	8222-54	27410	9774	9774

9774

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