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LONDON MARATHON MASS 2026

Isabelle Thomas

Bib: 7093 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
10:48/mi
33:32
↑ 49↓ 125
10K· 6.21 mi
11:23/mi
1:08:53
↑ 50↓ 81
15K· 9.32 mi
12:23/mi
1:47:19
↑ 44↓ 51
20K· 12.43 mi
12:18/mi
2:25:30
↑ 67↓ 40
Half· 13.10 mi
12:17/mi
2:33:44
↓ 27
25K· 15.53 mi
12:53/mi
3:05:05
↑ 50↓ 63
30K· 18.64 mi
14:52/mi
3:51:15
↑ 69↓ 46
35K· 21.75 mi
13:25/mi
4:32:54
↑ 87↓ 88
40K· 24.85 mi
14:53/mi
5:19:07
↑ 58↓ 75
Finish· 26.22 mi
14:38/mi
5:39:04
↑ 14↓ 18
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent

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The Course

Half Splits

1st Half· via Half
2:33:4411:45 /mi⚡ faster
2nd Half
3:05:2014:08 /mi+20.6%
Positive split — 20.6% slower in the second half
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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
33:3210:483.11 mi33:32
10:48
-
10K
1:08:5311:063.10 mi35:21
11:23
+0:35
15K
1:47:1911:313.11 mi38:26
12:23
+1:00
20K
2:25:3011:433.11 mi38:11
12:18
-0:05
Half(13.10 mi)
2:33:4411:450.67 mi8:14
12:17
-0:01
25K
3:05:0511:552.43 mi31:21
12:53
+0:36
30K
3:51:1512:253.11 mi46:10
14:52
+1:59
35K
4:32:5412:333.11 mi41:39
13:25
-1:27
40K
5:19:0712:513.10 mi46:13
14:53
+1:28
Finish(26.22 mi)
5:39:0412:571.37 mi19:57
14:38
-0:15
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:48 /mi

Average Pace

12:56 /mi

Slowest Pace

14:53 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:08:53

20% of race

Time at Steady Pace

2:37:51

47% of race

Time at Slower Pace

1:52:20

33% of race

Average Pace: 12:56 /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 mi465761715817158502481955619556
10K3.10 mi47527-95117735-57717735-577483961828718287
15K3.11 mi48697-117018472-73718472-737502481955619556
20K3.11 mi48779-8218616-14418616-144491021904419044
Half(13.10 mi)0.67 mi48659+12018553+6318553+63471401816418164
25K2.43 mi48294+36518427+12618427+126470091819218192
30K3.11 mi49111-81719045-61819045-618522272148921489
35K3.11 mi48275+83618686+35918686+359430421694316943
40K3.10 mi48887-61219168-48219168-482521392187921879
Finish(26.22 mi)1.37 mi49214-32719397-22919397-229533772254022540

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×10
+49ft-125ft

Overall

50248

Females

19556

F18-39

19556

5K→10K

3.1 - 6.2 mi

Top 81%
×4
+50ft-81ft

Overall

48396

Females

18287

F18-39

18287

10K→15K

6.2 - 9.3 mi

Top 84%
+44ft-51ft

Overall

50248

Females

19556

F18-39

19556

15K→20K

9.3 - 12.4 mi

Top 82%
×3
+67ft-40ft

Overall

49102

Females

19044

F18-39

19044

20K→Half

12.4 - 13.1 mi

Top 79%
×2
+8ft-27ft

Overall

47140

Females

18164

F18-39

18164

Half→25K

13.1 - 15.5 mi

Top 79%
×2
+50ft-63ft

Overall

47009

Females

18192

F18-39

18192

25K→30K

15.5 - 18.6 mi

Top 87%
×2
+69ft-46ft

Overall

52227

Females

21489

F18-39

21489

30K→35K

18.6 - 21.8 mi

Top 72%
×2
+87ft-88ft

Overall

43042

Females

16943

F18-39

16943

35K→40K

21.8 - 24.9 mi

Top 87%
×3
+58ft-75ft

Overall

52139

Females

21879

F18-39

21879

40K→Finish

24.9 - 26.2 mi

Top 89%
+14ft-18ft

Overall

53377

Females

22540

F18-39

22540

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#46576
5K → 10K
200200-951
#46576 → #47527
10K → 15K
200200-1170
#47527 → #48697
15K → 20K
200200-82
#48697 → #48779
20K → Half
63183+120
#48779 → #48659
Half → 25K
200565*+365
#48659 → #48294
25K → 30K
1017200-817
#48294 → #49111
30K → 35K
57893*+836
#49111 → #48275
35K → 40K
200152-612
#48275 → #48887
40K → Finish
20059-327
#48887 → #49214
TOTALS
23372652*-2638
#46576 → #49214

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

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