Chelsea Grogan

Bib: 39729 F US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 5%

Gender (Female)

#0 / 26115

Top 0.9%

Division (F18-39)

#0 / 14744

Top 1%

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

6:44/mi

20:55

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:51/mi

42:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

6:59/mi

1:03:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

6:49/mi

1:25:01

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:55/mi

1:29:39

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

6:53/mi

1:46:23

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:00/mi

2:08:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

6:57/mi

2:29:39

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

6:51/mi

2:50:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

6:21/mi

2:59:32

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

613ft

Total descent

166ft

Range

6 to 172 ft

≈

×14story building

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The Course

Half Splits

1st Half· via Half

1:29:396:51 /mi⚖️ balanced

2nd Half

1:29:536:52 /mi⚖️ balanced

Even split — consistent pacing between halves

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Your race, unpacked

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	20:55	6:44	3.11 mi	20:55	6:44	-
10K	42:10	6:48	3.10 mi	21:15	6:51	+0:07
15K	1:03:51	6:52	3.11 mi	21:41	6:59	+0:08
20K	1:25:01	6:51	3.11 mi	21:10	6:49	-0:10
Half(13.10 mi)	1:29:39	6:51	0.67 mi	4:38	6:55	+0:06
25K	1:46:23	6:51	2.43 mi	16:44	6:53	-0:02
30K	2:08:05	6:53	3.11 mi	21:42	7:00	+0:07
35K	2:29:39	6:53	3.11 mi	21:34	6:57	-0:03
40K	2:50:53	6:53	3.10 mi	21:14	6:51	-0:06
Finish(26.22 mi)	2:59:32	6:52	1.37 mi	8:39	6:21	-0:30

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:21 /mi

Average Pace

6:51 /mi

Slowest Pace

7:00 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:37:50

88% of race

Time at Steady Pace

21:42

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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	4095	362	362	4398	372	372
10K	3.10 mi	4200-105	373-11	373-11	4448	383	383
15K	3.11 mi	4248-48	362+11	362+11	4398	372	372
20K	3.11 mi	4268-20	368-6	368-6	4420	367	367
Half(13.10 mi)	0.67 mi	4227+41	361+7	361+7	3825	283	283
25K	2.43 mi	4180+47	352+9	352+9	4125	333	333
30K	3.11 mi	4035+145	331+21	331+21	3686	297	297
35K	3.11 mi	3748+287	299+32	299+32	2917	229	229
40K	3.10 mi	3413+335	264+35	264+35	2159	171	171
Finish(26.22 mi)	1.37 mi	3201+212	239+25	239+25	941	45	45

171

40K→Finish

24.9 - 26.2 mi

Top 2%

×1story

+14ft-18ft

Overall

941

Females

F18-39

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#4095
5K → 10K	19792-105	#4095 → #4200
10K → 15K	14395-48	#4200 → #4248
15K → 20K	11292-20	#4248 → #4268
20K → Half	849+41	#4268 → #4227
Half → 25K	56103+47	#4227 → #4180
25K → 30K	56201+145	#4180 → #4035
30K → 35K	26313*+287	#4035 → #3748
35K → 40K	13348*+335	#3748 → #3413
40K → Finish	0212*+212	#3413 → #3201
TOTALS	6111505*+894	#4095 → #3201

* 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