TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Cathryn Vallender

Bib: 68013 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
13:04/mi
40:33
↑ 49↓ 125
10K· 6.21 mi
13:29/mi
1:22:25
↑ 50↓ 81
15K· 9.32 mi
14:06/mi
2:06:11
↑ 44↓ 51
20K· 12.43 mi
13:46/mi
2:48:56
↑ 67↓ 40
Half· 13.10 mi
14:02/mi
2:58:21
↓ 27
25K· 15.53 mi
18:31/mi
3:43:27
↑ 50↓ 63
30K· 18.64 mi
17:26/mi
4:37:35
↑ 69↓ 46
35K· 21.75 mi
18:23/mi
5:34:40
↑ 87↓ 88
40K· 24.85 mi
18:35/mi
6:32:23
↑ 58↓ 75
Finish· 26.22 mi
18:54/mi
6:58:09
↑ 14↓ 18
Course Elevation
503ft
Total climb
613ft
Total descent
166ft
Range
6 to 172 ft
≈
×14story building

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The Course

Half Splits

1st Half· via Half
2:58:2113:37 /mi⚡ faster
2nd Half
3:59:4818:17 /mi+34.5%
Positive split — 34.5% 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
40:3313:043.11 mi40:33
13:04
-
10K
1:22:2513:163.10 mi41:52
13:29
+0:25
15K
2:06:1113:333.11 mi43:46
14:06
+0:37
20K
2:48:5613:363.11 mi42:45
13:46
-0:20
Half(13.10 mi)
2:58:2113:370.67 mi9:25
14:02
+0:16
25K
3:43:2714:242.43 mi45:06
18:31
+4:29
30K
4:37:3514:543.11 mi54:08
17:26
-1:05
35K
5:34:4015:243.11 mi57:05
18:23
+0:57
40K
6:32:2315:483.10 mi57:43
18:35
+0:12
Finish(26.22 mi)
6:58:0915:581.37 mi25:46
18:54
+0:19
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:04 /mi

Average Pace

15:58 /mi

Slowest Pace

18:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:58:21

43% of race

Time at Steady Pace

3:34:02

51% of race

Time at Slower Pace

25:46

6% of race

Average Pace: 15:57 /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 mi572582421724217559032333323333
10K3.10 mi56890+36823968+24923968+249564582368923689
15K3.11 mi56591+29923764+20423764+204559032333323333
20K3.11 mi56005+58623373+39123373+391541552232422324
Half(13.10 mi)0.67 mi55891+11423301+7223301+72537112222222222
25K2.43 mi56813-92223969-66823969-668585102521325213
30K3.11 mi57083-27024195-22624195-226575142464124641
35K3.11 mi57378-29524411-21624411-216580152506625066
40K3.10 mi57717-33924656-24524656-245586462541325413
Finish(26.22 mi)1.37 mi57878-16124783-12724783-127589982566925669

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×10story building
+49ft-125ft

Overall

55903

Females

23333

F40-44

23333

5K→10K

3.1 - 6.2 mi

Top 94%
×4story building
+50ft-81ft

Overall

56458

Females

23689

F40-44

23689

10K→15K

6.2 - 9.3 mi

Top 94%
×1story
+44ft-51ft

Overall

55903

Females

23333

F40-44

23333

15K→20K

9.3 - 12.4 mi

Top 91%
×3story building
+67ft-40ft

Overall

54155

Females

22324

F40-44

22324

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+8ft-27ft

Overall

53711

Females

22222

F40-44

22222

Half→25K

13.1 - 15.5 mi

Top 98%
×2story building
+50ft-63ft

Overall

58510

Females

25213

F40-44

25213

25K→30K

15.5 - 18.6 mi

Top 96%
×2story building
+69ft-46ft

Overall

57514

Females

24641

F40-44

24641

30K→35K

18.6 - 21.8 mi

Top 97%
×2story building
+87ft-88ft

Overall

58015

Females

25066

F40-44

25066

35K→40K

21.8 - 24.9 mi

Top 98%
×3story building
+58ft-75ft

Overall

58646

Females

25413

F40-44

25413

40K→Finish

24.9 - 26.2 mi

Top 99%
×1story
+14ft-18ft

Overall

58998

Females

25669

F40-44

25669

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#57258
5K → 10K
214582+368
#57258 → #56890
10K → 15K
151450+299
#56890 → #56591
15K → 20K
54640+586
#56591 → #56005
20K → Half
21135+114
#56005 → #55891
Half → 25K
100381-922
#55891 → #56813
25K → 30K
399129-270
#56813 → #57083
30K → 35K
34954-295
#57083 → #57378
35K → 40K
36122-339
#57378 → #57717
40K → Finish
17514-161
#57717 → #57878
TOTALS
27272107-620
#57258 → #57878

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