Rosanna Collis

Bib: 29710 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

10:47/mi

33:28

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:56/mi

1:07:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:15/mi

1:42:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:37/mi

2:18:23

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:37/mi

2:26:10

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:17/mi

2:53:37

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:34/mi

3:29:31

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:55/mi

4:06:31

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:21/mi

4:41:44

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:53/mi

4:56:34

↑ 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

2:26:1011:10 /mi⚡ faster

2nd Half

2:30:2411:28 /mi+2.9%

Positive split — 2.9% slower in the second half

AI Race Performance Report

Rosanna'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	33:28	10:47	3.11 mi	33:28	10:47	-
10K	1:07:25	10:51	3.10 mi	33:57	10:56	+0:09
15K	1:42:20	10:59	3.11 mi	34:55	11:15	+0:19
20K	2:18:23	11:09	3.11 mi	36:03	11:37	+0:22
Half(13.10 mi)	2:26:10	11:10	0.67 mi	7:47	11:37	0:00
25K	2:53:37	11:11	2.43 mi	27:27	11:17	-0:20
30K	3:29:31	11:15	3.11 mi	35:54	11:34	+0:17
35K	4:06:31	11:21	3.11 mi	37:00	11:55	+0:21
40K	4:41:44	11:21	3.10 mi	35:13	11:21	-0:34
Finish(26.22 mi)	4:56:34	11:20	1.37 mi	14:50	10:53	-0:28

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:47 /mi

Average Pace

11:19 /mi

Slowest Pace

11:55 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:19:34

88% of race

Time at Steady Pace

37:00

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:19 /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	46392	17036	17036	43516	15466	15466
10K	3.10 mi	45574+818	16570+466	16570+466	45020	16288	16288
15K	3.11 mi	44691+883	16066+504	16066+504	43516	15466	15466
20K	3.11 mi	44957-266	16297-231	16297-231	45708	17042	17042
Half(13.10 mi)	0.67 mi	44839+118	16244+53	16244+53	43416	16005	16005
25K	2.43 mi	43465+1374	15580+664	15580+664	38776	13622	13622
30K	3.11 mi	41963+1502	14945+635	14945+635	36337	12870	12870
35K	3.11 mi	40642+1321	14480+465	14480+465	34252	12557	12557
40K	3.10 mi	39435+1207	14026+454	14026+454	30451	11200	11200
Finish(26.22 mi)	1.37 mi	39043+392	13888+138	13888+138	30568	11284	11284

11284

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