TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Aisha Kosser

Bib: 56929 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
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
10:22/mi
32:11
↑ 49↓ 125
10K· 6.21 mi
10:44/mi
1:05:31
↑ 50↓ 81
15K· 9.32 mi
11:04/mi
1:39:53
↑ 44↓ 51
20K· 12.43 mi
10:48/mi
2:13:26
↑ 67↓ 40
Half· 13.10 mi
11:14/mi
2:20:58
↓ 27
25K· 15.53 mi
11:41/mi
2:49:25
↑ 50↓ 63
30K· 18.64 mi
13:12/mi
3:30:25
↑ 69↓ 46
35K· 21.75 mi
13:54/mi
4:13:36
↑ 87↓ 88
40K· 24.85 mi
13:23/mi
4:55:08
↑ 58↓ 75
Finish· 26.22 mi
12:19/mi
5:11:55
↑ 14↓ 18
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
×14
613ft
Total descent

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The Course

Half Splits

1st Half· via Half
2:20:5810:46 /mi⚡ faster
2nd Half
2:50:5713:02 /mi+21.3%
Positive split — 21.3% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:1110:223.11 mi32:11
10:22
-
10K
1:05:3110:333.10 mi33:20
10:44
+0:22
15K
1:39:5310:433.11 mi34:22
11:04
+0:20
20K
2:13:2610:453.11 mi33:33
10:48
-0:16
Half(13.10 mi)
2:20:5810:460.67 mi7:32
11:14
+0:26
25K
2:49:2510:552.43 mi28:27
11:41
+0:27
30K
3:30:2511:183.11 mi41:00
13:12
+1:31
35K
4:13:3611:403.11 mi43:11
13:54
+0:42
40K
4:55:0811:533.10 mi41:32
13:23
-0:31
Finish(26.22 mi)
5:11:5511:551.37 mi16:47
12:19
-1:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:22 /mi

Average Pace

11:54 /mi

Slowest Pace

13:54 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:13:26

43% of race

Time at Steady Pace

35:59

12% of race

Time at Slower Pace

2:22:30

46% of race

Average Pace: 11:54 /mi

Loading chart...
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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi425021479814798421601471014710
10K3.10 mi42783-28114927-12914927-129433511529415294
15K3.11 mi42446+33714779+14814779+148421601471014710
20K3.11 mi41703+74314452+32714452+327402271394313943
Half(13.10 mi)0.67 mi41602+10114427+2514427+25407891450714507
25K2.43 mi41407+19514451-2414451-24413891502115021
30K3.11 mi42326-91915141-69015141-690454101763117631
35K3.11 mi43000-67415743-60215743-602456391826218262
40K3.10 mi43278-27816045-30216045-302446481801118011
Finish(26.22 mi)1.37 mi43181+9716036+916036+9420441661616616

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×10
+49ft-125ft

Overall

42160

Females

14710

F18-39

14710

5K→10K

3.1 - 6.2 mi

Top 73%
×4
+50ft-81ft

Overall

43351

Females

15294

F18-39

15294

10K→15K

6.2 - 9.3 mi

Top 71%
+44ft-51ft

Overall

42160

Females

14710

F18-39

14710

15K→20K

9.3 - 12.4 mi

Top 67%
×3
+67ft-40ft

Overall

40227

Females

13943

F18-39

13943

20K→Half

12.4 - 13.1 mi

Top 68%
×2
+8ft-27ft

Overall

40789

Females

14507

F18-39

14507

Half→25K

13.1 - 15.5 mi

Top 69%
×2
+50ft-63ft

Overall

41389

Females

15021

F18-39

15021

25K→30K

15.5 - 18.6 mi

Top 76%
×2
+69ft-46ft

Overall

45410

Females

17631

F18-39

17631

30K→35K

18.6 - 21.8 mi

Top 76%
×2
+87ft-88ft

Overall

45639

Females

18262

F18-39

18262

35K→40K

21.8 - 24.9 mi

Top 75%
×3
+58ft-75ft

Overall

44648

Females

18011

F18-39

18011

40K→Finish

24.9 - 26.2 mi

Top 70%
+14ft-18ft

Overall

42044

Females

16616

F18-39

16616

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#42502
5K → 10K
985704-281
#42502 → #42783
10K → 15K
417754+337
#42783 → #42446
15K → 20K
199942+743
#42446 → #41703
20K → Half
56157+101
#41703 → #41602
Half → 25K
407602+195
#41602 → #41407
25K → 30K
1230311-919
#41407 → #42326
30K → 35K
987313-674
#42326 → #43000
35K → 40K
568290-278
#43000 → #43278
40K → Finish
105202+97
#43278 → #43181
TOTALS
49544275-679
#42502 → #43181

Passing Visualized

Category:
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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