TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Claire West

Bib: 73574 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 (F45-49)
#0 / 2995
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
12:11/mi
37:51
↑ 49↓ 125
10K· 6.21 mi
13:45/mi
1:20:32
↑ 50↓ 81
15K· 9.32 mi
15:55/mi
2:09:56
↑ 44↓ 51
20K· 12.43 mi
14:40/mi
2:55:28
↑ 67↓ 40
Half· 13.10 mi
16:08/mi
3:06:17
↓ 27
25K· 15.53 mi
18:25/mi
3:51:08
↑ 50↓ 63
30K· 18.64 mi
16:32/mi
4:42:27
↑ 69↓ 46
35K· 21.75 mi
17:17/mi
5:36:06
↑ 87↓ 88
40K· 24.85 mi
16:42/mi
6:27:59
↑ 58↓ 75
Finish· 26.22 mi
16:02/mi
6:49:50
↑ 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
3:06:1714:14 /mi⚡ faster
2nd Half
3:43:3317:03 /mi+20.0%
Positive split — 20.0% 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
37:5112:113.11 mi37:51
12:11
-
10K
1:20:3212:583.10 mi42:41
13:45
+1:34
15K
2:09:5613:573.11 mi49:24
15:55
+2:10
20K
2:55:2814:083.11 mi45:32
14:40
-1:15
Half(13.10 mi)
3:06:1714:140.67 mi10:49
16:08
+1:28
25K
3:51:0814:532.43 mi44:51
18:25
+2:17
30K
4:42:2715:103.11 mi51:19
16:32
-1:53
35K
5:36:0615:283.11 mi53:39
17:17
+0:45
40K
6:27:5915:373.10 mi51:53
16:42
-0:35
Finish(26.22 mi)
6:49:5015:391.37 mi21:51
16:02
-0:40
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:11 /mi

Average Pace

15:39 /mi

Slowest Pace

18:25 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:06:04

31% of race

Time at Steady Pace

3:05:16

45% of race

Time at Slower Pace

1:38:30

24% of race

Average Pace: 15:38 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi547732242922429584602514325143
10K3.10 mi56212-143923478-104923478-1049569202401524015
15K3.11 mi57354-114224307-82924307-829584602514325143
20K3.11 mi57109+24524153+15424153+154561952362723627
Half(13.10 mi)0.67 mi57168-5924210-5724210-57575772468224682
25K2.43 mi57589-42124510-30024510-300584422516725167
30K3.11 mi57497+9224467+4324467+43562662386823868
35K3.11 mi57492+524489-2224489-22565932426424264
40K3.10 mi57498-624513-2424513-24566862433924339
Finish(26.22 mi)1.37 mi57469+2924506+724506+7564622424224242

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×10
+49ft-125ft

Overall

58460

Females

25143

F45-49

25143

5K→10K

3.1 - 6.2 mi

Top 95%
×4
+50ft-81ft

Overall

56920

Females

24015

F45-49

24015

10K→15K

6.2 - 9.3 mi

Top 98%
+44ft-51ft

Overall

58460

Females

25143

F45-49

25143

15K→20K

9.3 - 12.4 mi

Top 94%
×3
+67ft-40ft

Overall

56195

Females

23627

F45-49

23627

20K→Half

12.4 - 13.1 mi

Top 96%
×2
+8ft-27ft

Overall

57577

Females

24682

F45-49

24682

Half→25K

13.1 - 15.5 mi

Top 98%
×2
+50ft-63ft

Overall

58442

Females

25167

F45-49

25167

25K→30K

15.5 - 18.6 mi

Top 94%
×2
+69ft-46ft

Overall

56266

Females

23868

F45-49

23868

30K→35K

18.6 - 21.8 mi

Top 95%
×2
+87ft-88ft

Overall

56593

Females

24264

F45-49

24264

35K→40K

21.8 - 24.9 mi

Top 95%
×3
+58ft-75ft

Overall

56686

Females

24339

F45-49

24339

40K→Finish

24.9 - 26.2 mi

Top 94%
+14ft-18ft

Overall

56462

Females

24242

F45-49

24242

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#54773
5K → 10K
1607168-1439
#54773 → #56212
10K → 15K
118846-1142
#56212 → #57354
15K → 20K
114359+245
#57354 → #57109
20K → Half
9435-59
#57109 → #57168
Half → 25K
49675-421
#57168 → #57589
25K → 30K
122214+92
#57589 → #57497
30K → 35K
136141+5
#57497 → #57492
35K → 40K
106100-6
#57492 → #57498
40K → Finish
3059+29
#57498 → #57469
TOTALS
38931197-2696
#54773 → #57469

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

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Mika Timing

Mika Timing