Chelsea Buck

Bib: 70656 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

10:46/mi

33:25

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:20/mi

1:08:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:51/mi

1:45:22

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:53/mi

2:22:16

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:14/mi

2:30:28

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:32/mi

3:00:59

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:51/mi

3:50:11

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:08/mi

4:30:57

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:33/mi

5:13:01

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:21/mi

5:29:51

↑ 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

2:30:2811:30 /mi⚡ faster

2nd Half

2:59:2313:41 /mi+19.2%

Positive split — 19.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	33:25	10:46	3.11 mi	33:25	10:46	-
10K	1:08:36	11:03	3.10 mi	35:11	11:20	+0:34
15K	1:45:22	11:19	3.11 mi	36:46	11:51	+0:31
20K	2:22:16	11:27	3.11 mi	36:54	11:53	+0:02
Half(13.10 mi)	2:30:28	11:30	0.67 mi	8:12	12:14	+0:21
25K	3:00:59	11:40	2.43 mi	30:31	12:32	+0:18
30K	3:50:11	12:21	3.11 mi	49:12	15:51	+3:19
35K	4:30:57	12:28	3.11 mi	40:46	13:08	-2:43
40K	5:13:01	12:36	3.10 mi	42:04	13:33	+0:25
Finish(26.22 mi)	5:29:51	12:36	1.37 mi	16:50	12:21	-1:12

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:46 /mi

Average Pace

12:35 /mi

Slowest Pace

15:51 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:08:36

21% of race

Time at Steady Pace

2:09:13

39% of race

Time at Slower Pace

2:12:02

40% of race

Average Pace: 12:35 /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	46256	16956	16956	47587	17883	17883
10K	3.10 mi	47153-897	17519-563	17519-563	48005	18043	18043
15K	3.11 mi	47187-34	17543-24	17543-24	47587	17883	17883
20K	3.11 mi	47202-15	17662-119	17662-119	47163	17870	17870
Half(13.10 mi)	0.67 mi	47187+15	17680-18	17680-18	46901	18017	18017
25K	2.43 mi	46810+377	17564+116	17564+116	45496	17308	17308
30K	3.11 mi	48817-2007	18855-1291	18855-1291	54966	23089	23089
35K	3.11 mi	47795+1022	18403+452	18403+452	41481	16112	16112
40K	3.10 mi	47535+260	18375+28	18375+28	45603	18491	18491
Finish(26.22 mi)	1.37 mi	47285+250	18279+96	18279+96	42330	16769	16769

16769

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#46256
5K → 10K	1407510-897	#46256 → #47153
10K → 15K	648614-34	#47153 → #47187
15K → 20K	574559-15	#47187 → #47202
20K → Half	127142+15	#47202 → #47187
Half → 25K	304681+377	#47187 → #46810
25K → 30K	209184-2007	#46810 → #48817
30K → 35K	521074+1022	#48817 → #47795
35K → 40K	211471+260	#47795 → #47535
40K → Finish	48298+250	#47535 → #47285
TOTALS	54624433-1029	#46256 → #47285

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