TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Namrath Chatchaiyan

Bib: 11330 F TH

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Division (F50-54)
#0 / 2342
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
10:11/mi
31:38
↑ 49↓ 125
10K· 6.21 mi
10:15/mi
1:03:27
↑ 50↓ 81
15K· 9.32 mi
11:00/mi
1:37:36
↑ 44↓ 51
20K· 12.43 mi
11:00/mi
2:11:45
↑ 67↓ 40
Half· 13.10 mi
11:26/mi
2:19:25
↓ 27
25K· 15.53 mi
12:06/mi
2:48:52
↑ 50↓ 63
30K· 18.64 mi
12:43/mi
3:28:21
↑ 69↓ 46
35K· 21.75 mi
13:12/mi
4:09:19
↑ 87↓ 88
40K· 24.85 mi
12:45/mi
4:48:55
↑ 58↓ 75
Finish· 26.22 mi
12:09/mi
5:05:29
↑ 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
2:19:2510:39 /mi⚡ faster
2nd Half
2:46:0412:40 /mi+19.1%
Positive split — 19.1% slower in the second half
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Your race, unpacked

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:3810:113.11 mi31:38
10:11
-
10K
1:03:2710:133.10 mi31:49
10:15
+0:04
15K
1:37:3610:293.11 mi34:09
11:00
+0:45
20K
2:11:4510:373.11 mi34:09
11:00
0:00
Half(13.10 mi)
2:19:2510:390.67 mi7:40
11:26
+0:26
25K
2:48:5210:532.43 mi29:27
12:06
+0:40
30K
3:28:2111:113.11 mi39:29
12:43
+0:37
35K
4:09:1911:283.11 mi40:58
13:12
+0:29
40K
4:48:5511:383.10 mi39:36
12:45
-0:27
Finish(26.22 mi)
5:05:2911:401.37 mi16:34
12:09
-0:36
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:11 /mi

Average Pace

11:40 /mi

Slowest Pace

13:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:19:25

46% of race

Time at Steady Pace

46:01

15% of race

Time at Slower Pace

2:00:03

39% of race

Average Pace: 11:39 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi407041379213792415911440414404
10K3.10 mi39571+113313188+60413188+604388391286712867
15K3.11 mi40253-68213573-38513573-385415911440414404
20K3.11 mi40527-27413811-23813811-238417161476314763
Half(13.10 mi)0.67 mi40625-9813897-8613897-86422071529515295
25K2.43 mi41123-49814304-40714304-407434521616216162
30K3.11 mi41477-35414695-39114695-391429221628516285
35K3.11 mi41608-13114992-29714992-297418471630816308
40K3.10 mi41579+2915143-15115143-151407171606516065
Finish(26.22 mi)1.37 mi41533+4615173-3015173-30408591604616046

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×10story building
+49ft-125ft

Overall

41591

Females

14404

F50-54

14404

5K→10K

3.1 - 6.2 mi

Top 65%
×4story building
+50ft-81ft

Overall

38839

Females

12867

F50-54

12867

10K→15K

6.2 - 9.3 mi

Top 70%
×1story
+44ft-51ft

Overall

41591

Females

14404

F50-54

14404

15K→20K

9.3 - 12.4 mi

Top 70%
×3story building
+67ft-40ft

Overall

41716

Females

14763

F50-54

14763

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+8ft-27ft

Overall

42207

Females

15295

F50-54

15295

Half→25K

13.1 - 15.5 mi

Top 73%
×2story building
+50ft-63ft

Overall

43452

Females

16162

F50-54

16162

25K→30K

15.5 - 18.6 mi

Top 72%
×2story building
+69ft-46ft

Overall

42922

Females

16285

F50-54

16285

30K→35K

18.6 - 21.8 mi

Top 70%
×2story building
+87ft-88ft

Overall

41847

Females

16308

F50-54

16308

35K→40K

21.8 - 24.9 mi

Top 68%
×3story building
+58ft-75ft

Overall

40717

Females

16065

F50-54

16065

40K→Finish

24.9 - 26.2 mi

Top 68%
×1story
+14ft-18ft

Overall

40859

Females

16046

F50-54

16046

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#40704
5K → 10K
2001333*+1133
#40704 → #39571
10K → 15K
200200-682
#39571 → #40253
15K → 20K
200200-274
#40253 → #40527
20K → Half
200119-98
#40527 → #40625
Half → 25K
200200-498
#40625 → #41123
25K → 30K
805451-354
#41123 → #41477
30K → 35K
200200-131
#41477 → #41608
35K → 40K
200229*+29
#41608 → #41579
40K → Finish
143189+46
#41579 → #41533
TOTALS
23483121*-829
#40704 → #41533

* 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

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing