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LONDON MARATHON MASS 2026

Alex Castleman

Bib: 29774 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
11:14/mi
34:52
↑ 49↓ 125
10K· 6.21 mi
11:04/mi
1:09:13
↑ 50↓ 81
15K· 9.32 mi
10:47/mi
1:42:43
↑ 44↓ 51
20K· 12.43 mi
10:38/mi
2:15:45
↑ 67↓ 40
Half· 13.10 mi
11:05/mi
2:23:11
↓ 27
25K· 15.53 mi
11:46/mi
2:51:50
↑ 50↓ 63
30K· 18.64 mi
13:37/mi
3:34:08
↑ 69↓ 46
35K· 21.75 mi
12:34/mi
4:13:10
↑ 87↓ 88
40K· 24.85 mi
11:32/mi
4:48:58
↑ 58↓ 75
Finish· 26.22 mi
10:36/mi
5:03:25
↑ 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
2:23:1110:56 /mi⚡ faster
2nd Half
2:40:1412:13 /mi+11.9%
Positive split — 11.9% 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
34:5211:143.11 mi34:52
11:14
-
10K
1:09:1311:093.10 mi34:21
11:04
-0:10
15K
1:42:4311:023.11 mi33:30
10:47
-0:17
20K
2:15:4510:563.11 mi33:02
10:38
-0:09
Half(13.10 mi)
2:23:1110:560.67 mi7:26
11:05
+0:27
25K
2:51:5011:042.43 mi28:39
11:46
+0:41
30K
3:34:0811:303.11 mi42:18
13:37
+1:51
35K
4:13:1011:393.11 mi39:02
12:34
-1:03
40K
4:48:5811:383.10 mi35:48
11:32
-1:02
Finish(26.22 mi)
5:03:2511:351.37 mi14:27
10:36
-0:56
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:36 /mi

Average Pace

11:35 /mi

Slowest Pace

13:37 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

47:29

16% of race

Time at Steady Pace

2:25:57

48% of race

Time at Slower Pace

1:49:59

36% of race

Average Pace: 11:34 /mi

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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 mi500161925419254398441344213442
10K3.10 mi47942+207417988+126617988+1266459641684216842
15K3.11 mi45004+293816253+173516253+1735398441344213442
20K3.11 mi43282+172215340+91315340+913389551328613286
Half(13.10 mi)0.67 mi43013+26915218+12215218+122397071391313913
25K2.43 mi42629+38415121+9715121+97417821524015240
30K3.11 mi43778-114915929-80815929-808473901871518715
35K3.11 mi42845+93315654+27515654+275383091450914509
40K3.10 mi41600+124515151+50315151+503318981185611856
Finish(26.22 mi)1.37 mi41031+56914907+24414907+244280731010510105

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×10story building
+49ft-125ft

Overall

39844

Females

13442

F40-44

13442

5K→10K

3.1 - 6.2 mi

Top 77%
×4story building
+50ft-81ft

Overall

45964

Females

16842

F40-44

16842

10K→15K

6.2 - 9.3 mi

Top 67%
×1story
+44ft-51ft

Overall

39844

Females

13442

F40-44

13442

15K→20K

9.3 - 12.4 mi

Top 65%
×3story building
+67ft-40ft

Overall

38955

Females

13286

F40-44

13286

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+8ft-27ft

Overall

39707

Females

13913

F40-44

13913

Half→25K

13.1 - 15.5 mi

Top 70%
×2story building
+50ft-63ft

Overall

41782

Females

15240

F40-44

15240

25K→30K

15.5 - 18.6 mi

Top 79%
×2story building
+69ft-46ft

Overall

47390

Females

18715

F40-44

18715

30K→35K

18.6 - 21.8 mi

Top 64%
×2story building
+87ft-88ft

Overall

38309

Females

14509

F40-44

14509

35K→40K

21.8 - 24.9 mi

Top 53%
×3story building
+58ft-75ft

Overall

31898

Females

11856

F40-44

11856

40K→Finish

24.9 - 26.2 mi

Top 47%
×1story
+14ft-18ft

Overall

28073

Females

10105

F40-44

10105

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#50016
5K → 10K
922166*+2074
#50016 → #47942
10K → 15K
52943*+2938
#47942 → #45004
15K → 20K
111733*+1722
#45004 → #43282
20K → Half
21290*+269
#43282 → #43013
Half → 25K
200584*+384
#43013 → #42629
25K → 30K
1392243-1149
#42629 → #43778
30K → 35K
1441077*+933
#43778 → #42845
35K → 40K
331278*+1245
#42845 → #41600
40K → Finish
4573*+569
#41600 → #41031
TOTALS
190210887*+8985
#50016 → #41031

* 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

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Mika Timing

Mika Timing