TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Rebecca Corbould

Bib: 53874 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
10:58/mi
34:04
↑ 49↓ 125
10K· 6.21 mi
11:42/mi
1:10:22
↑ 50↓ 81
15K· 9.32 mi
12:19/mi
1:48:36
↑ 44↓ 51
20K· 12.43 mi
12:19/mi
2:26:50
↑ 67↓ 40
Half· 13.10 mi
12:26/mi
2:35:10
↓ 27
25K· 15.53 mi
12:38/mi
3:05:55
↑ 50↓ 63
30K· 18.64 mi
12:38/mi
3:45:08
↑ 69↓ 46
35K· 21.75 mi
12:59/mi
4:25:28
↑ 87↓ 88
40K· 24.85 mi
12:34/mi
5:04:30
↑ 58↓ 75
Finish· 26.22 mi
12:31/mi
5:21:34
↑ 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
2:35:1011:51 /mi⚡ faster
2nd Half
2:46:2412:41 /mi+7.2%
Positive split — 7.2% 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
34:0410:583.11 mi34:04
10:58
-
10K
1:10:2211:203.10 mi36:18
11:42
+0:44
15K
1:48:3611:403.11 mi38:14
12:19
+0:37
20K
2:26:5011:493.11 mi38:14
12:19
0:00
Half(13.10 mi)
2:35:1011:510.67 mi8:20
12:26
+0:07
25K
3:05:5511:592.43 mi30:45
12:38
+0:12
30K
3:45:0812:053.11 mi39:13
12:38
0:00
35K
4:25:2812:133.11 mi40:20
12:59
+0:21
40K
5:04:3012:163.10 mi39:02
12:34
-0:25
Finish(26.22 mi)
5:21:3412:171.37 mi17:04
12:31
-0:03
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:58 /mi

Average Pace

12:16 /mi

Slowest Pace

12:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:10:22

22% of race

Time at Steady Pace

3:30:52

66% of race

Time at Slower Pace

40:20

13% of race

Average Pace: 12:16 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi481061811718117499731937319373
10K3.10 mi49272-116618805-68818805-688503121952219522
15K3.11 mi49526-25418994-18918994-189499731937319373
20K3.11 mi49374+15218989+518989+5491701908219082
Half(13.10 mi)0.67 mi49261+11318938+5118938+51477981853718537
25K2.43 mi48579+68218595+34318595+343458951753617536
30K3.11 mi47441+113818050+54518050+545425121606416064
35K3.11 mi46404+103717606+44417606+444407301572415724
40K3.10 mi45621+78317306+30017306+300394411547615476
Finish(26.22 mi)1.37 mi45473+14817270+3617270+36434691733817338

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×10
+49ft-125ft

Overall

49973

Females

19373

F40-44

19373

5K→10K

3.1 - 6.2 mi

Top 84%
×4
+50ft-81ft

Overall

50312

Females

19522

F40-44

19522

10K→15K

6.2 - 9.3 mi

Top 84%
+44ft-51ft

Overall

49973

Females

19373

F40-44

19373

15K→20K

9.3 - 12.4 mi

Top 82%
×3
+67ft-40ft

Overall

49170

Females

19082

F40-44

19082

20K→Half

12.4 - 13.1 mi

Top 80%
×2
+8ft-27ft

Overall

47798

Females

18537

F40-44

18537

Half→25K

13.1 - 15.5 mi

Top 77%
×2
+50ft-63ft

Overall

45895

Females

17536

F40-44

17536

25K→30K

15.5 - 18.6 mi

Top 71%
×2
+69ft-46ft

Overall

42512

Females

16064

F40-44

16064

30K→35K

18.6 - 21.8 mi

Top 68%
×2
+87ft-88ft

Overall

40730

Females

15724

F40-44

15724

35K→40K

21.8 - 24.9 mi

Top 66%
×3
+58ft-75ft

Overall

39441

Females

15476

F40-44

15476

40K→Finish

24.9 - 26.2 mi

Top 73%
+14ft-18ft

Overall

43469

Females

17338

F40-44

17338

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#48106
5K → 10K
1634468-1166
#48106 → #49272
10K → 15K
759505-254
#49272 → #49526
15K → 20K
437589+152
#49526 → #49374
20K → Half
46159+113
#49374 → #49261
Half → 25K
137819+682
#49261 → #48579
25K → 30K
681206+1138
#48579 → #47441
30K → 35K
741111+1037
#47441 → #46404
35K → 40K
52835+783
#46404 → #45621
40K → Finish
80228+148
#45621 → #45473
TOTALS
32875920+2633
#48106 → #45473

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