Anna Coulborn

Bib: 13757 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 35%
Gender (Female)
#0 / 26115
Top 23%
Masters (Masters Women)
#0 / 11371
Top 21%
Division (F60-64)
#0 / 772
Top 8%
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
8:18/mi
25:46
49125
10K· 6.21 mi
8:31/mi
52:12
5081
15K· 9.32 mi
9:16/mi
1:20:57
4451
20K· 12.43 mi
9:12/mi
1:49:29
6740
Half· 13.10 mi
8:49/mi
1:55:24
27
25K· 15.53 mi
9:11/mi
2:17:46
5063
30K· 18.64 mi
9:43/mi
2:47:57
6946
35K· 21.75 mi
9:41/mi
3:18:02
8788
40K· 24.85 mi
10:10/mi
3:49:35
5875
Finish· 26.22 mi
8:57/mi
4:01:47
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
1:55:248:49 /mi⚡ faster
2nd Half
2:06:239:38 /mi+9.5%
Positive split — 9.5% slower in the second half
AI Race Performance Report

Anna'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
25:468:183.11 mi25:46
8:18
-
10K
52:128:253.10 mi26:26
8:31
+0:13
15K
1:20:578:423.11 mi28:45
9:16
+0:45
20K
1:49:298:493.11 mi28:32
9:12
-0:04
Half(13.10 mi)
1:55:248:490.67 mi5:55
8:49
-0:23
25K
2:17:468:532.43 mi22:22
9:11
+0:22
30K
2:47:579:013.11 mi30:11
9:43
+0:32
35K
3:18:029:073.11 mi30:05
9:41
-0:02
40K
3:49:359:153.10 mi31:33
10:10
+0:29
Finish(26.22 mi)
4:01:479:141.37 mi12:12
8:57
-1:13
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Anna's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:18 /mi

Average Pace

9:14 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

58:07

24% of race

Time at Steady Pace

1:31:51

38% of race

Time at Slower Pace

1:31:49

38% of race

Average Pace: 9:13 /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. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi17475433743372461367626762
10K3.10 mi17934-4594510-1734510-1731846547084708
15K3.11 mi19899-19655165-6555165-6552461367626762
20K3.11 mi21336-14375648-4835648-4832598573067306
Half(13.10 mi)0.67 mi21137+1995586+625586+621883048944894
25K2.43 mi21223-865678-925678-922266363366336
30K3.11 mi21621-3985893-2155893-2152350269656965
35K3.11 mi21117+5045899-65899-61966159535953
40K3.10 mi21345-2286168-2696168-2692198773747374
Finish(26.22 mi)1.37 mi20979+3666084+846084+841452844834483

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
131 ft55 ft
49ft125ft
117 ft

Overall

24613

Females

6762

F60-64

6762

5K→10K

3.1 - 6.2 mi

Top 31%
55 ft24 ft
50ft81ft
45 ft

Overall

18465

Females

4708

F60-64

4708

10K→15K

6.2 - 9.3 mi

Top 41%
24 ft18 ft
44ft51ft
17 ft

Overall

24613

Females

6762

F60-64

6762

15K→20K

9.3 - 12.4 mi

Top 43%
18 ft45 ft
67ft40ft
38 ft

Overall

25985

Females

7306

F60-64

7306

20K→Half

12.4 - 13.1 mi

Top 31%
45 ft26 ft
8ft27ft
20 ft

Overall

18830

Females

4894

F60-64

4894

Half→25K

13.1 - 15.5 mi

Top 38%
25 ft12 ft
50ft63ft
20 ft

Overall

22663

Females

6336

F60-64

6336

25K→30K

15.5 - 18.6 mi

Top 39%
12 ft35 ft
69ft46ft
28 ft

Overall

23502

Females

6965

F60-64

6965

30K→35K

18.6 - 21.8 mi

Top 33%
35 ft34 ft
87ft88ft
23 ft

Overall

19661

Females

5953

F60-64

5953

35K→40K

21.8 - 24.9 mi

Top 37%
34 ft17 ft
58ft75ft
31 ft

Overall

21987

Females

7374

F60-64

7374

40K→Finish

24.9 - 26.2 mi

Top 24%
17 ft13 ft
14ft18ft
13 ft

Overall

14528

Females

4483

F60-64

4483

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing