Isobel Horsfield

Bib: 8105 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 17%

Gender (Female)

#0 / 26115

Top 9%

Division (F18-39)

#0 / 14744

Top 11%

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

7:49/mi

24:17

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:52/mi

48:43

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:58/mi

1:13:28

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:52/mi

1:37:53

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:02/mi

1:43:16

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:05/mi

2:02:57

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:12/mi

2:28:25

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:13/mi

2:53:56

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:27/mi

3:20:11

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:43/mi

3:32:03

↑ 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

1:43:167:54 /mi⚡ faster

2nd Half

1:48:478:18 /mi+5.3%

Positive split — 5.3% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:17	7:49	3.11 mi	24:17	7:49	-
10K	48:43	7:51	3.10 mi	24:26	7:52	+0:03
15K	1:13:28	7:53	3.11 mi	24:45	7:58	+0:06
20K	1:37:53	7:53	3.11 mi	24:25	7:52	-0:06
Half(13.10 mi)	1:43:16	7:54	0.67 mi	5:23	8:02	+0:10
25K	2:02:57	7:55	2.43 mi	19:41	8:05	+0:03
30K	2:28:25	7:58	3.11 mi	25:28	8:12	+0:07
35K	2:53:56	8:00	3.11 mi	25:31	8:13	+0:01
40K	3:20:11	8:04	3.10 mi	26:15	8:27	+0:14
Finish(26.22 mi)	3:32:03	8:06	1.37 mi	11:52	8:43	+0:16

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:49 /mi

Average Pace

8:06 /mi

Slowest Pace

8:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:20:11

94% of race

Time at Steady Pace

11:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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	11993	2579	2579	10624	2126	2126
10K	3.10 mi	11622+371	2481+98	2481+98	11391	2403	2403
15K	3.11 mi	11227+395	2340+141	2340+141	10624	2126	2126
20K	3.11 mi	11208+19	2341-1	2341-1	11454	2401	2401
Half(13.10 mi)	0.67 mi	11159+49	2330+11	2330+11	10982	2241	2241
25K	2.43 mi	11219-60	2380-50	2380-50	12127	2686	2686
30K	3.11 mi	10975+244	2339+41	2339+41	10752	2340	2340
35K	3.11 mi	10526+449	2260+79	2260+79	8966	1962	1962
40K	3.10 mi	10313+213	2265-5	2265-5	9733	2506	2506
Finish(26.22 mi)	1.37 mi	10368-55	2322-57	2322-57	12443	3662	3662

3662

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#11993
5K → 10K	198569+371	#11993 → #11622
10K → 15K	62457+395	#11622 → #11227
15K → 20K	167186+19	#11227 → #11208
20K → Half	2473+49	#11208 → #11159
Half → 25K	235175-60	#11159 → #11219
25K → 30K	171415+244	#11219 → #10975
30K → 35K	102551+449	#10975 → #10526
35K → 40K	223436+213	#10526 → #10313
40K → Finish	14893*-55	#10313 → #10368
TOTALS	13302955*+1625	#11993 → #10368

* Includes athletes who did not complete a segment (DNF/DNQ).

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