TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Natascha Polderman

Bib: 67907 F NL

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
10:17/mi
31:54
↑ 49↓ 125
10K· 6.21 mi
11:25/mi
1:07:20
↑ 50↓ 81
15K· 9.32 mi
10:29/mi
1:39:53
↑ 44↓ 51
20K· 12.43 mi
10:44/mi
2:13:13
↑ 67↓ 40
Half· 13.10 mi
10:31/mi
2:20:16
↓ 27
25K· 15.53 mi
10:56/mi
2:46:53
↑ 50↓ 63
30K· 18.64 mi
11:03/mi
3:21:12
↑ 69↓ 46
35K· 21.75 mi
16:17/mi
4:11:46
↑ 87↓ 88
40K· 24.85 mi
18:59/mi
5:10:44
↑ 58↓ 75
Finish· 26.22 mi
16:08/mi
5:32:44
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:20:1610:43 /mi⚡ faster
2nd Half
3:12:2814:41 /mi+37.2%
Positive split — 37.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:5410:173.11 mi31:54
10:17
-
10K
1:07:2010:513.10 mi35:26
11:25
+1:08
15K
1:39:5310:433.11 mi32:33
10:29
-0:56
20K
2:13:1310:443.11 mi33:20
10:44
+0:15
Half(13.10 mi)
2:20:1610:430.67 mi7:03
10:31
-0:13
25K
2:46:5310:452.43 mi26:37
10:56
+0:25
30K
3:21:1210:483.11 mi34:19
11:03
+0:07
35K
4:11:4611:353.11 mi50:34
16:17
+5:14
40K
5:10:4412:313.10 mi58:58
18:59
+2:42
Finish(26.22 mi)
5:32:4412:421.37 mi22:00
16:08
-2:51
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:17 /mi

Average Pace

12:42 /mi

Slowest Pace

18:59 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:21:12

60% of race

Time at Slower Pace

2:11:32

40% of race

Average Pace: 12:41 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi416441430014300371641210012100
10K3.10 mi45463-381916510-221016510-2210485781840018400
15K3.11 mi42447+301614780+173014780+1730371641210012100
20K3.11 mi41568+87914384+39614384+396397261366913669
Half(13.10 mi)0.67 mi41172+39614193+19114193+191350721152111521
25K2.43 mi40116+105613768+42513768+425365331249112491
30K3.11 mi38589+152713154+61413154+614329981120311203
35K3.11 mi42405-381615409-225515409-2255546102312323123
40K3.10 mi47009-460418071-266218071-2662588792555825558
Finish(26.22 mi)1.37 mi47912-90318639-56818639-568566152432924329

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×10story building
+49ft-125ft

Overall

37164

Females

12100

F50-54

12100

5K→10K

3.1 - 6.2 mi

Top 81%
×4story building
+50ft-81ft

Overall

48578

Females

18400

F50-54

18400

10K→15K

6.2 - 9.3 mi

Top 62%
×1story
+44ft-51ft

Overall

37164

Females

12100

F50-54

12100

15K→20K

9.3 - 12.4 mi

Top 66%
×3story building
+67ft-40ft

Overall

39726

Females

13669

F50-54

13669

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+8ft-27ft

Overall

35072

Females

11521

F50-54

11521

Half→25K

13.1 - 15.5 mi

Top 61%
×2story building
+50ft-63ft

Overall

36533

Females

12491

F50-54

12491

25K→30K

15.5 - 18.6 mi

Top 55%
×2story building
+69ft-46ft

Overall

32998

Females

11203

F50-54

11203

30K→35K

18.6 - 21.8 mi

Top 91%
×2story building
+87ft-88ft

Overall

54610

Females

23123

F50-54

23123

35K→40K

21.8 - 24.9 mi

Top 98%
×3story building
+58ft-75ft

Overall

58879

Females

25558

F50-54

25558

40K→Finish

24.9 - 26.2 mi

Top 95%
×1story
+14ft-18ft

Overall

56615

Females

24329

F50-54

24329

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#41644
5K → 10K
3963144-3819
#41644 → #45463
10K → 15K
123028+3016
#45463 → #42447
15K → 20K
1541033+879
#42447 → #41568
20K → Half
5401+396
#41568 → #41172
Half → 25K
511107+1056
#41172 → #40116
25K → 30K
591586+1527
#40116 → #38589
30K → 35K
386852-3816
#38589 → #42405
35K → 40K
461713-4604
#42405 → #47009
40K → Finish
93835-903
#47009 → #47912
TOTALS
136677399-6268
#41644 → #47912

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

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Mika Timing