TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Kelley Kastner

Bib: 11698 F US

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
9:14/mi
28:40
↑ 49↓ 125
10K· 6.21 mi
9:19/mi
57:34
↑ 50↓ 81
15K· 9.32 mi
9:57/mi
1:28:26
↑ 44↓ 51
20K· 12.43 mi
10:43/mi
2:01:42
↑ 67↓ 40
Half· 13.10 mi
10:59/mi
2:09:04
↓ 27
25K· 15.53 mi
10:50/mi
2:35:26
↑ 50↓ 63
30K· 18.64 mi
12:24/mi
3:13:57
↑ 69↓ 46
35K· 21.75 mi
14:34/mi
3:59:11
↑ 87↓ 88
40K· 24.85 mi
13:12/mi
4:40:09
↑ 58↓ 75
Finish· 26.22 mi
13:41/mi
4:58:48
↑ 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
2:09:049:52 /mi⚡ faster
2nd Half
2:49:4412:57 /mi+31.5%
Positive split — 31.5% 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
28:409:143.11 mi28:40
9:14
-
10K
57:349:163.10 mi28:54
9:19
+0:05
15K
1:28:269:303.11 mi30:52
9:57
+0:38
20K
2:01:429:483.11 mi33:16
10:43
+0:46
Half(13.10 mi)
2:09:049:520.67 mi7:22
10:59
+0:16
25K
2:35:2610:012.43 mi26:22
10:50
-0:09
30K
3:13:5710:253.11 mi38:31
12:24
+1:34
35K
3:59:1111:003.11 mi45:14
14:34
+2:10
40K
4:40:0911:173.10 mi40:58
13:12
-1:22
Finish(26.22 mi)
4:58:4811:251.37 mi18:39
13:41
+0:29
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:14 /mi

Average Pace

11:24 /mi

Slowest Pace

14:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:28:26

30% of race

Time at Steady Pace

1:07:00

22% of race

Time at Slower Pace

2:23:22

48% of race

Average Pace: 11:24 /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 mi30086887288723220197499749
10K3.10 mi29501+5858661+2118661+2112899884478447
15K3.11 mi30557-10569049-3889049-3883220197499749
20K3.11 mi33053-249610153-110410153-1104395301356613566
Half(13.10 mi)0.67 mi33351-29810302-14910302-149389571350513505
25K2.43 mi33644-29310536-23410536-234357961210112101
30K3.11 mi35404-176011590-105411590-1054412371540215402
35K3.11 mi38181-277713174-158413174-1584487721997219972
40K3.10 mi38955-77413777-60313777-603435341743517435
Finish(26.22 mi)1.37 mi39772-81714256-47914256-479498772068320683

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×10
+49ft-125ft

Overall

32201

Females

9749

F40-44

9749

5K→10K

3.1 - 6.2 mi

Top 49%
×4
+50ft-81ft

Overall

28998

Females

8447

F40-44

8447

10K→15K

6.2 - 9.3 mi

Top 54%
+44ft-51ft

Overall

32201

Females

9749

F40-44

9749

15K→20K

9.3 - 12.4 mi

Top 66%
×3
+67ft-40ft

Overall

39530

Females

13566

F40-44

13566

20K→Half

12.4 - 13.1 mi

Top 65%
×2
+8ft-27ft

Overall

38957

Females

13505

F40-44

13505

Half→25K

13.1 - 15.5 mi

Top 60%
×2
+50ft-63ft

Overall

35796

Females

12101

F40-44

12101

25K→30K

15.5 - 18.6 mi

Top 69%
×2
+69ft-46ft

Overall

41237

Females

15402

F40-44

15402

30K→35K

18.6 - 21.8 mi

Top 82%
×2
+87ft-88ft

Overall

48772

Females

19972

F40-44

19972

35K→40K

21.8 - 24.9 mi

Top 73%
×3
+58ft-75ft

Overall

43534

Females

17435

F40-44

17435

40K→Finish

24.9 - 26.2 mi

Top 83%
+14ft-18ft

Overall

49877

Females

20683

F40-44

20683

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#30086
5K → 10K
200785*+585
#30086 → #29501
10K → 15K
200200-1056
#29501 → #30557
15K → 20K
20068-2496
#30557 → #33053
20K → Half
20049-298
#33053 → #33351
Half → 25K
200200-293
#33351 → #33644
25K → 30K
1958198-1760
#33644 → #35404
30K → 35K
20083-2777
#35404 → #38181
35K → 40K
200200-774
#38181 → #38955
40K → Finish
20043-817
#38955 → #39772
TOTALS
35581826*-9686
#30086 → #39772

* 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