Sorcha Breslin

Bib: 13515 F IE

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Top 37%
Gender (Female)
#0 / 26115
Top 25%
Division (F18-39)
#0 / 14744
Top 27%
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
8:57/mi
27:47
49125
10K· 6.21 mi
9:06/mi
56:01
5081
15K· 9.32 mi
9:20/mi
1:24:59
4451
20K· 12.43 mi
9:06/mi
1:53:15
6740
Half· 13.10 mi
9:21/mi
1:59:31
27
25K· 15.53 mi
9:13/mi
2:21:57
5063
30K· 18.64 mi
9:31/mi
2:51:29
6946
35K· 21.75 mi
9:45/mi
3:21:46
8788
40K· 24.85 mi
9:55/mi
3:52:34
5875
Finish· 26.22 mi
9:24/mi
4:05:23
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

See every mile of your race

Claim this result to add your watch's GPX and unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half
1:59:319:08 /mi⚡ faster
2nd Half
2:05:529:36 /mi+5.3%
Positive split — 5.3% slower in the second half
AI Race Performance Report

Sorcha'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.

Free account · no payment

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:478:573.11 mi27:47
8:57
-
10K
56:019:013.10 mi28:14
9:06
+0:09
15K
1:24:599:083.11 mi28:58
9:20
+0:14
20K
1:53:159:073.11 mi28:16
9:06
-0:14
Half(13.10 mi)
1:59:319:080.67 mi6:16
9:21
+0:15
25K
2:21:579:092.43 mi22:26
9:13
-0:08
30K
2:51:299:123.11 mi29:32
9:31
+0:18
35K
3:21:469:173.11 mi30:17
9:45
+0:14
40K
3:52:349:223.10 mi30:48
9:55
+0:10
Finish(26.22 mi)
4:05:239:221.37 mi12:49
9:24
-0:31
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sorcha's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:57 /mi

Average Pace

9:22 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:34:35

87% of race

Time at Steady Pace

30:48

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:22 /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 mi25936731673162565371457145
10K3.10 mi25753+1837237+797237+792582072817281
15K3.11 mi25560+1937137+1007137+1002565371457145
20K3.11 mi25269+2917040+977040+972498569486948
Half(13.10 mi)0.67 mi25163+1067005+357005+352456368876887
25K2.43 mi24586+5776842+1636842+1632296164546454
30K3.11 mi23825+7616703+1396703+1392195363406340
35K3.11 mi22963+8626596+1076596+1072009561186118
40K3.10 mi22416+5476570+266570+262029766526652
Finish(26.22 mi)1.37 mi22082+3346501+696501+691821958835883

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
131 ft55 ft
49ft125ft
117 ft

Overall

25653

Females

7145

F18-39

7145

5K→10K

3.1 - 6.2 mi

Top 43%
55 ft24 ft
50ft81ft
45 ft

Overall

25820

Females

7281

F18-39

7281

10K→15K

6.2 - 9.3 mi

Top 43%
24 ft18 ft
44ft51ft
17 ft

Overall

25653

Females

7145

F18-39

7145

15K→20K

9.3 - 12.4 mi

Top 42%
18 ft45 ft
67ft40ft
38 ft

Overall

24985

Females

6948

F18-39

6948

20K→Half

12.4 - 13.1 mi

Top 41%
45 ft26 ft
8ft27ft
20 ft

Overall

24563

Females

6887

F18-39

6887

Half→25K

13.1 - 15.5 mi

Top 38%
25 ft12 ft
50ft63ft
20 ft

Overall

22961

Females

6454

F18-39

6454

25K→30K

15.5 - 18.6 mi

Top 37%
12 ft35 ft
69ft46ft
28 ft

Overall

21953

Females

6340

F18-39

6340

30K→35K

18.6 - 21.8 mi

Top 34%
35 ft34 ft
87ft88ft
23 ft

Overall

20095

Females

6118

F18-39

6118

35K→40K

21.8 - 24.9 mi

Top 34%
34 ft17 ft
58ft75ft
31 ft

Overall

20297

Females

6652

F18-39

6652

40K→Finish

24.9 - 26.2 mi

Top 30%
17 ft13 ft
14ft18ft
13 ft

Overall

18219

Females

5883

F18-39

5883

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing