Rebecca Courtney

Bib: 10371 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 43%
Masters (Masters Women)
#0 / 11371
Top 41%
Division (F40-44)
#0 / 3355
Top 48%
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
9:47/mi
30:22
49125
10K· 6.21 mi
10:01/mi
1:01:27
5081
15K· 9.32 mi
10:32/mi
1:34:09
4451
20K· 12.43 mi
10:47/mi
2:07:38
6740
Half· 13.10 mi
10:17/mi
2:14:32
27
25K· 15.53 mi
10:49/mi
2:40:51
5063
30K· 18.64 mi
11:01/mi
3:15:02
6946
35K· 21.75 mi
11:41/mi
3:51:17
8788
40K· 24.85 mi
10:40/mi
4:24:25
5875
Finish· 26.22 mi
10:30/mi
4:38:43
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
2:14:3210:17 /mi⚡ faster
2nd Half
2:24:1111:00 /mi+7.2%
Positive split — 7.2% 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
30:229:473.11 mi30:22
9:47
-
10K
1:01:279:543.10 mi31:05
10:01
+0:14
15K
1:34:0910:073.11 mi32:42
10:32
+0:31
20K
2:07:3810:173.11 mi33:29
10:47
+0:15
Half(13.10 mi)
2:14:3210:170.67 mi6:54
10:17
-0:30
25K
2:40:5110:222.43 mi26:19
10:49
+0:32
30K
3:15:0210:283.11 mi34:11
11:01
+0:12
35K
3:51:1710:393.11 mi36:15
11:41
+0:40
40K
4:24:2510:393.10 mi33:08
10:40
-1:01
Finish(26.22 mi)
4:38:4310:391.37 mi14:18
10:30
-0:10
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

9:47 /mi

Average Pace

10:38 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:28:29

53% of race

Time at Steady Pace

1:33:59

34% of race

Time at Slower Pace

36:15

13% of race

Average Pace: 10:38 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi363121155611556376251232412324
10K3.10 mi36318-611562-611562-6364981167911679
15K3.11 mi36674-35611754-19211754-192376251232412324
20K3.11 mi37564-89012295-54112295-541400791385013850
Half(13.10 mi)0.67 mi37227+33712165+13012165+130330841053510535
25K2.43 mi36860+36712116+4912116+49356281201912019
30K3.11 mi35913+94711833+28311833+283327041105711057
35K3.11 mi35232+68111743+9011743+90326561177811778
40K3.10 mi33721+151111289+45411289+4542551089508950
Finish(26.22 mi)1.37 mi33303+41811171+11811171+1182711496529652

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
131 ft55 ft
49ft125ft
117 ft

Overall

37625

Females

12324

F40-44

12324

5K→10K

3.1 - 6.2 mi

Top 61%
55 ft24 ft
50ft81ft
45 ft

Overall

36498

Females

11679

F40-44

11679

10K→15K

6.2 - 9.3 mi

Top 63%
24 ft18 ft
44ft51ft
17 ft

Overall

37625

Females

12324

F40-44

12324

15K→20K

9.3 - 12.4 mi

Top 67%
18 ft45 ft
67ft40ft
38 ft

Overall

40079

Females

13850

F40-44

13850

20K→Half

12.4 - 13.1 mi

Top 55%
45 ft26 ft
8ft27ft
20 ft

Overall

33084

Females

10535

F40-44

10535

Half→25K

13.1 - 15.5 mi

Top 60%
25 ft12 ft
50ft63ft
20 ft

Overall

35628

Females

12019

F40-44

12019

25K→30K

15.5 - 18.6 mi

Top 55%
12 ft35 ft
69ft46ft
28 ft

Overall

32704

Females

11057

F40-44

11057

30K→35K

18.6 - 21.8 mi

Top 55%
35 ft34 ft
87ft88ft
23 ft

Overall

32656

Females

11778

F40-44

11778

35K→40K

21.8 - 24.9 mi

Top 43%
34 ft17 ft
58ft75ft
31 ft

Overall

25510

Females

8950

F40-44

8950

40K→Finish

24.9 - 26.2 mi

Top 45%
17 ft13 ft
14ft18ft
13 ft

Overall

27114

Females

9652

F40-44

9652

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing