Jenifer Chatwin

Bib: 19133 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 34%
Gender (Female)
#0 / 26115
Top 22%
Masters (Masters Women)
#0 / 11371
Top 20%
Division (F45-49)
#0 / 2995
Top 22%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:54/mi
27:36
49125
10K· 6.21 mi
8:54/mi
55:15
5081
15K· 9.32 mi
9:13/mi
1:23:51
4451
20K· 12.43 mi
8:52/mi
1:51:21
6740
Half· 13.10 mi
9:04/mi
1:57:26
27
25K· 15.53 mi
9:10/mi
2:19:45
5063
30K· 18.64 mi
9:17/mi
2:48:33
6946
35K· 21.75 mi
9:27/mi
3:17:53
8788
40K· 24.85 mi
9:23/mi
3:47:00
5875
Finish· 26.22 mi
9:20/mi
3:59:43
1418
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
1:57:268:58 /mi⚡ faster
2nd Half
2:02:179:20 /mi+4.1%
Positive split — 4.1% slower in the second half
AI Race Performance Report

Jenifer'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

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:368:543.11 mi27:36
8:54
-
10K
55:158:543.10 mi27:39
8:54
0:00
15K
1:23:519:003.11 mi28:36
9:13
+0:19
20K
1:51:218:583.11 mi27:30
8:52
-0:21
Half(13.10 mi)
1:57:268:580.67 mi6:05
9:04
+0:12
25K
2:19:459:002.43 mi22:19
9:10
+0:06
30K
2:48:339:033.11 mi28:48
9:17
+0:07
35K
3:17:539:063.11 mi29:20
9:27
+0:10
40K
3:47:009:083.10 mi29:07
9:23
-0:04
Finish(26.22 mi)
3:59:439:091.37 mi12:43
9:20
-0:03
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Jenifer's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:52 /mi

Average Pace

9:09 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:48:33

70% of race

Time at Steady Pace

1:11:10

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi25082698069802392465126512
10K3.10 mi23961+11216607+3736607+3732317963436343
15K3.11 mi23849+1126526+816526+812392465126512
20K3.11 mi23168+6816280+2466280+2462178858425842
Half(13.10 mi)0.67 mi23021+1476241+396241+392139557655765
25K2.43 mi22740+2816184+576184+572244062496249
30K3.11 mi21996+7446015+1696015+1691985855775577
35K3.11 mi21039+9575860+1555860+1551790152425242
40K3.10 mi20279+7605774+865774+861641151415141
Finish(26.22 mi)1.37 mi20182+975783-95783-91763856675667

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
131 ft55 ft
49ft125ft
117 ft

Overall

23924

Females

6512

F45-49

6512

5K→10K

3.1 - 6.2 mi

Top 39%
55 ft24 ft
50ft81ft
45 ft

Overall

23179

Females

6343

F45-49

6343

10K→15K

6.2 - 9.3 mi

Top 40%
24 ft18 ft
44ft51ft
17 ft

Overall

23924

Females

6512

F45-49

6512

15K→20K

9.3 - 12.4 mi

Top 36%
18 ft45 ft
67ft40ft
38 ft

Overall

21788

Females

5842

F45-49

5842

20K→Half

12.4 - 13.1 mi

Top 36%
45 ft26 ft
8ft27ft
20 ft

Overall

21395

Females

5765

F45-49

5765

Half→25K

13.1 - 15.5 mi

Top 38%
25 ft12 ft
50ft63ft
20 ft

Overall

22440

Females

6249

F45-49

6249

25K→30K

15.5 - 18.6 mi

Top 33%
12 ft35 ft
69ft46ft
28 ft

Overall

19858

Females

5577

F45-49

5577

30K→35K

18.6 - 21.8 mi

Top 30%
35 ft34 ft
87ft88ft
23 ft

Overall

17901

Females

5242

F45-49

5242

35K→40K

21.8 - 24.9 mi

Top 27%
34 ft17 ft
58ft75ft
31 ft

Overall

16411

Females

5141

F45-49

5141

40K→Finish

24.9 - 26.2 mi

Top 30%
17 ft13 ft
14ft18ft
13 ft

Overall

17638

Females

5667

F45-49

5667

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing