Rebecca Fensome

Bib: 17489 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 50%
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
5K· 3.11 mi
9:34/mi
29:42
49125
10K· 6.21 mi
10:20/mi
1:01:48
5081
15K· 9.32 mi
10:09/mi
1:33:19
4451
20K· 12.43 mi
10:03/mi
2:04:30
6740
Half· 13.10 mi
10:19/mi
2:11:25
27
25K· 15.53 mi
10:43/mi
2:37:31
5063
30K· 18.64 mi
11:42/mi
3:13:50
6946
35K· 21.75 mi
12:55/mi
3:53:57
8788
40K· 24.85 mi
12:51/mi
4:33:50
5875
Finish· 26.22 mi
12:22/mi
4:50:42
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
2:11:2510:02 /mi⚡ faster
2nd Half
2:39:1712:09 /mi+21.2%
Positive split — 21.2% slower in the second half
AI Race Performance Report

Rebecca'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
29:429:343.11 mi29:42
9:34
-
10K
1:01:489:573.10 mi32:06
10:20
+0:46
15K
1:33:1910:013.11 mi31:31
10:09
-0:11
20K
2:04:3010:023.11 mi31:11
10:03
-0:06
Half(13.10 mi)
2:11:2510:020.67 mi6:55
10:19
+0:16
25K
2:37:3110:092.43 mi26:06
10:43
+0:24
30K
3:13:5010:243.11 mi36:19
11:42
+0:59
35K
3:53:5710:463.11 mi40:07
12:55
+1:13
40K
4:33:5011:023.10 mi39:53
12:51
-0:04
Finish(26.22 mi)
4:50:4211:061.37 mi16:52
12:22
-0:29
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Rebecca's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:34 /mi

Average Pace

11:06 /mi

Slowest Pace

12:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:00:53

21% of race

Time at Steady Pace

1:36:38

33% of race

Time at Slower Pace

2:13:11

46% of race

Average Pace: 11:05 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi340061046710467341471061010610
10K3.10 mi36899-289311847-138011847-1380396721327313273
15K3.11 mi35793+110611339+50811339+508341471061010610
20K3.11 mi35192+60111124+21511124+215338741071610716
Half(13.10 mi)0.67 mi35019+17311066+5811066+58332471058310583
25K2.43 mi34827+19211082-1611082-16349591169611696
30K3.11 mi35338-51111556-47411556-474371271328513285
35K3.11 mi36254-91612219-66312219-663403131551015510
40K3.10 mi36928-67412756-53712756-537413151633216332
Finish(26.22 mi)1.37 mi37214-28612962-20612962-206424791684016840

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
131 ft55 ft
49ft125ft
117 ft

Overall

34147

Females

10610

F18-39

10610

5K→10K

3.1 - 6.2 mi

Top 66%
55 ft24 ft
50ft81ft
45 ft

Overall

39672

Females

13273

F18-39

13273

10K→15K

6.2 - 9.3 mi

Top 57%
24 ft18 ft
44ft51ft
17 ft

Overall

34147

Females

10610

F18-39

10610

15K→20K

9.3 - 12.4 mi

Top 57%
18 ft45 ft
67ft40ft
38 ft

Overall

33874

Females

10716

F18-39

10716

20K→Half

12.4 - 13.1 mi

Top 56%
45 ft26 ft
8ft27ft
20 ft

Overall

33247

Females

10583

F18-39

10583

Half→25K

13.1 - 15.5 mi

Top 58%
25 ft12 ft
50ft63ft
20 ft

Overall

34959

Females

11696

F18-39

11696

25K→30K

15.5 - 18.6 mi

Top 62%
12 ft35 ft
69ft46ft
28 ft

Overall

37127

Females

13285

F18-39

13285

30K→35K

18.6 - 21.8 mi

Top 67%
35 ft34 ft
87ft88ft
23 ft

Overall

40313

Females

15510

F18-39

15510

35K→40K

21.8 - 24.9 mi

Top 69%
34 ft17 ft
58ft75ft
31 ft

Overall

41315

Females

16332

F18-39

16332

40K→Finish

24.9 - 26.2 mi

Top 71%
17 ft13 ft
14ft18ft
13 ft

Overall

42479

Females

16840

F18-39

16840

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing