Sarah Collins

Bib: 17162 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Division (F40-44)
#0 / 3355
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
13:48/mi
42:51
49125
10K· 6.21 mi
16:15/mi
1:33:20
5081
15K· 9.32 mi
14:12/mi
2:17:26
4451
20K· 12.43 mi
15:46/mi
3:06:22
6740
Half· 13.10 mi
14:37/mi
3:16:10
27
25K· 15.53 mi
15:21/mi
3:53:32
5063
30K· 18.64 mi
15:03/mi
4:40:15
6946
35K· 21.75 mi
15:32/mi
5:28:28
8788
40K· 24.85 mi
16:20/mi
6:19:12
5875
Finish· 26.22 mi
15:40/mi
6:40:33
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
3:16:1014:59 /mi⚡ faster
2nd Half
3:24:2315:35 /mi+4.2%
Positive split — 4.2% slower in the second half
AI Race Performance Report

Sarah'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
42:5113:483.11 mi42:51
13:48
-
10K
1:33:2015:023.10 mi50:29
16:15
+2:27
15K
2:17:2614:453.11 mi44:06
14:12
-2:03
20K
3:06:2215:003.11 mi48:56
15:46
+1:34
Half(13.10 mi)
3:16:1014:590.67 mi9:48
14:37
-1:09
25K
3:53:3215:032.43 mi37:22
15:21
+0:44
30K
4:40:1515:033.11 mi46:43
15:03
-0:18
35K
5:28:2815:073.11 mi48:13
15:32
+0:29
40K
6:19:1215:163.10 mi50:44
16:20
+0:48
Finish(26.22 mi)
6:40:3315:181.37 mi21:21
15:40
-0:40
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sarah's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

13:48 /mi

Average Pace

15:17 /mi

Slowest Pace

16:20 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:23:28

36% of race

Time at Steady Pace

3:26:21

52% of race

Time at Slower Pace

50:44

13% of race

Average Pace: 15:17 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi583602504125041561352349323493
10K3.10 mi58981-62125522-48125522-481592672573025730
15K3.11 mi58443+53825119+40325119+403561352349323493
20K3.11 mi58313+13025017+10225017+102577172464424644
Half(13.10 mi)0.67 mi58221+9224953+6424953+64551822315023150
25K2.43 mi57800+42124660+29324660+293548082285922859
30K3.11 mi57311+48924357+30324357+303528182184121841
35K3.11 mi56931+38024133+22424133+224524172191921919
40K3.10 mi56913+1824130+324130+3560322398323983
Finish(26.22 mi)1.37 mi56894+1924129+124129+1558592390123901

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
131 ft55 ft
49ft125ft
117 ft

Overall

56135

Females

23493

F40-44

23493

5K→10K

3.1 - 6.2 mi

Top 99%
55 ft24 ft
50ft81ft
45 ft

Overall

59267

Females

25730

F40-44

25730

10K→15K

6.2 - 9.3 mi

Top 94%
24 ft18 ft
44ft51ft
17 ft

Overall

56135

Females

23493

F40-44

23493

15K→20K

9.3 - 12.4 mi

Top 97%
18 ft45 ft
67ft40ft
38 ft

Overall

57717

Females

24644

F40-44

24644

20K→Half

12.4 - 13.1 mi

Top 92%
45 ft26 ft
8ft27ft
20 ft

Overall

55182

Females

23150

F40-44

23150

Half→25K

13.1 - 15.5 mi

Top 92%
25 ft12 ft
50ft63ft
20 ft

Overall

54808

Females

22859

F40-44

22859

25K→30K

15.5 - 18.6 mi

Top 88%
12 ft35 ft
69ft46ft
28 ft

Overall

52818

Females

21841

F40-44

21841

30K→35K

18.6 - 21.8 mi

Top 88%
35 ft34 ft
87ft88ft
23 ft

Overall

52417

Females

21919

F40-44

21919

35K→40K

21.8 - 24.9 mi

Top 94%
34 ft17 ft
58ft75ft
31 ft

Overall

56032

Females

23983

F40-44

23983

40K→Finish

24.9 - 26.2 mi

Top 93%
17 ft13 ft
14ft18ft
13 ft

Overall

55859

Females

23901

F40-44

23901

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#58360
5K10K
20044-621
#58360 #58981
10K15K
11549*+538
#58981 #58443
15K20K
92222*+130
#58443 #58313
20KHalf
799+92
#58313 #58221
Half25K
11432*+421
#58221 #57800
25K30K
20509+489
#57800 #57311
30K35K
13393*+380
#57311 #56931
35K40K
117135+18
#56931 #56913
40KFinish
4766+19
#56913 #56894
TOTALS
5182449*+1466
#58360 #56894

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing