TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Mathilde Boisson

Bib: 79774 F FR

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 (F50-54)
#0 / 2342
Top 21%
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
8:54/mi
27:39
↑ 49↓ 125
10K· 6.21 mi
9:02/mi
55:42
↑ 50↓ 81
15K· 9.32 mi
9:05/mi
1:23:54
↑ 44↓ 51
20K· 12.43 mi
9:00/mi
1:51:51
↑ 67↓ 40
Half· 13.10 mi
9:12/mi
1:58:01
↓ 27
25K· 15.53 mi
8:59/mi
2:19:52
↑ 50↓ 63
30K· 18.64 mi
9:15/mi
2:48:34
↑ 69↓ 46
35K· 21.75 mi
9:29/mi
3:17:59
↑ 87↓ 88
40K· 24.85 mi
9:48/mi
3:48:25
↑ 58↓ 75
Finish· 26.22 mi
9:24/mi
4:01:14
↑ 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
1:58:019:01 /mi⚡ faster
2nd Half
2:03:139:24 /mi+4.4%
Positive split — 4.4% 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
27:398:543.11 mi27:39
8:54
-
10K
55:428:583.10 mi28:03
9:02
+0:08
15K
1:23:549:013.11 mi28:12
9:05
+0:03
20K
1:51:519:013.11 mi27:57
9:00
-0:05
Half(13.10 mi)
1:58:019:010.67 mi6:10
9:12
+0:12
25K
2:19:529:012.43 mi21:51
8:59
-0:13
30K
2:48:349:033.11 mi28:42
9:15
+0:16
35K
3:17:599:073.11 mi29:25
9:29
+0:14
40K
3:48:259:123.10 mi30:26
9:48
+0:19
Finish(26.22 mi)
4:01:149:131.37 mi12:49
9:24
-0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:54 /mi

Average Pace

9:12 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:30:48

87% of race

Time at Steady Pace

30:26

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:12 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi25334708870882229959685968
10K3.10 mi25004+3306967+1216967+1212495969506950
15K3.11 mi23931+10736555+4126555+4122229959685968
20K3.11 mi23712+2196473+826473+822362064606460
Half(13.10 mi)0.67 mi23624+886440+336440+332288062846284
25K2.43 mi22845+7796221+2196221+2192032455165516
30K3.11 mi22008+8376021+2006021+2001956754655465
35K3.11 mi21097+9115889+1325889+1321809553255325
40K3.10 mi20867+2305984-955984-951946463176317
Finish(26.22 mi)1.37 mi20794+736006-226006-221821758815881

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×10
+49ft-125ft

Overall

22299

Females

5968

F50-54

5968

5K→10K

3.1 - 6.2 mi

Top 42%
×4
+50ft-81ft

Overall

24959

Females

6950

F50-54

6950

10K→15K

6.2 - 9.3 mi

Top 37%
+44ft-51ft

Overall

22299

Females

5968

F50-54

5968

15K→20K

9.3 - 12.4 mi

Top 40%
×3
+67ft-40ft

Overall

23620

Females

6460

F50-54

6460

20K→Half

12.4 - 13.1 mi

Top 38%
×2
+8ft-27ft

Overall

22880

Females

6284

F50-54

6284

Half→25K

13.1 - 15.5 mi

Top 34%
×2
+50ft-63ft

Overall

20324

Females

5516

F50-54

5516

25K→30K

15.5 - 18.6 mi

Top 33%
×2
+69ft-46ft

Overall

19567

Females

5465

F50-54

5465

30K→35K

18.6 - 21.8 mi

Top 30%
×2
+87ft-88ft

Overall

18095

Females

5325

F50-54

5325

35K→40K

21.8 - 24.9 mi

Top 33%
×3
+58ft-75ft

Overall

19464

Females

6317

F50-54

6317

40K→Finish

24.9 - 26.2 mi

Top 30%
+14ft-18ft

Overall

18217

Females

5881

F50-54

5881

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#25334
5K → 10K
491821+330
#25334 → #25004
10K → 15K
851158+1073
#25004 → #23931
15K → 20K
266485+219
#23931 → #23712
20K → Half
53141+88
#23712 → #23624
Half → 25K
46825+779
#23624 → #22845
25K → 30K
113950+837
#22845 → #22008
30K → 35K
1401051+911
#22008 → #21097
35K → 40K
402632+230
#21097 → #20867
40K → Finish
142215+73
#20867 → #20794
TOTALS
17386278+4540
#25334 → #20794

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