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LONDON MARATHON MASS 2026

Becky Mumby

Bib: 34844 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
12:33/mi
38:57
↑ 49↓ 125
10K· 6.21 mi
13:15/mi
1:20:06
↑ 50↓ 81
15K· 9.32 mi
15:02/mi
2:06:48
↑ 44↓ 51
20K· 12.43 mi
15:18/mi
2:54:17
↑ 67↓ 40
Half· 13.10 mi
16:05/mi
3:05:04
↓ 27
25K· 15.53 mi
15:52/mi
3:43:41
↑ 50↓ 63
30K· 18.64 mi
16:47/mi
4:35:48
↑ 69↓ 46
35K· 21.75 mi
19:23/mi
5:35:59
↑ 87↓ 88
40K· 24.85 mi
17:58/mi
6:31:48
↑ 58↓ 75
Finish· 26.22 mi
15:46/mi
6:53:17
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
3:05:0414:08 /mi⚡ faster
2nd Half
3:48:1317:24 /mi+23.3%
Positive split — 23.3% 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
38:5712:333.11 mi38:57
12:33
-
10K
1:20:0612:543.10 mi41:09
13:15
+0:42
15K
2:06:4813:373.11 mi46:42
15:02
+1:47
20K
2:54:1714:023.11 mi47:29
15:18
+0:16
Half(13.10 mi)
3:05:0414:080.67 mi10:47
16:05
+0:47
25K
3:43:4114:242.43 mi38:37
15:52
-0:13
30K
4:35:4814:483.11 mi52:07
16:47
+0:55
35K
5:35:5915:273.11 mi1:00:11
19:23
+2:36
40K
6:31:4815:463.10 mi55:49
17:58
-1:25
Finish(26.22 mi)
6:53:1715:471.37 mi21:29
15:46
-2:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:33 /mi

Average Pace

15:46 /mi

Slowest Pace

19:23 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:20:06

19% of race

Time at Steady Pace

3:37:11

53% of race

Time at Slower Pace

1:56:00

28% of race

Average Pace: 15:46 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi559572327323273575162444724447
10K3.10 mi56028-7123352-7923352-79559712336023360
15K3.11 mi56720-69223856-50423856-504575162444724447
20K3.11 mi56943-22324037-18124037-181571702426924269
Half(13.10 mi)0.67 mi57002-5924090-5324090-53575382465424654
25K2.43 mi56845+15723992+9823992+98557142340923409
30K3.11 mi56899-5424064-7224064-72566642411024110
35K3.11 mi57481-58224481-41724481-417587892552925529
40K3.10 mi57690-20924635-15424635-154582092517525175
Finish(26.22 mi)1.37 mi57637+5324613+2224613+22560322400124001

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×10story building
+49ft-125ft

Overall

57516

Females

24447

F18-39

24447

5K→10K

3.1 - 6.2 mi

Top 94%
×4story building
+50ft-81ft

Overall

55971

Females

23360

F18-39

23360

10K→15K

6.2 - 9.3 mi

Top 96%
×1story
+44ft-51ft

Overall

57516

Females

24447

F18-39

24447

15K→20K

9.3 - 12.4 mi

Top 96%
×3story building
+67ft-40ft

Overall

57170

Females

24269

F18-39

24269

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+8ft-27ft

Overall

57538

Females

24654

F18-39

24654

Half→25K

13.1 - 15.5 mi

Top 93%
×2story building
+50ft-63ft

Overall

55714

Females

23409

F18-39

23409

25K→30K

15.5 - 18.6 mi

Top 95%
×2story building
+69ft-46ft

Overall

56664

Females

24110

F18-39

24110

30K→35K

18.6 - 21.8 mi

Top 98%
×2story building
+87ft-88ft

Overall

58789

Females

25529

F18-39

25529

35K→40K

21.8 - 24.9 mi

Top 97%
×3story building
+58ft-75ft

Overall

58209

Females

25175

F18-39

25175

40K→Finish

24.9 - 26.2 mi

Top 94%
×1story
+14ft-18ft

Overall

56032

Females

24001

F18-39

24001

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#55957
5K → 10K
534463-71
#55957 → #56028
10K → 15K
796104-692
#56028 → #56720
15K → 20K
402179-223
#56720 → #56943
20K → Half
9536-59
#56943 → #57002
Half → 25K
142299+157
#57002 → #56845
25K → 30K
250196-54
#56845 → #56899
30K → 35K
60725-582
#56899 → #57481
35K → 40K
24536-209
#57481 → #57690
40K → Finish
2679+53
#57690 → #57637
TOTALS
30971417-1680
#55957 → #57637

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