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LONDON MARATHON MASS 2026

Sophie Mumford

Bib: 80802 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
12:50/mi
39:50
↑ 49↓ 125
10K· 6.21 mi
15:13/mi
1:27:06
↑ 50↓ 81
15K· 9.32 mi
15:00/mi
2:13:42
↑ 44↓ 51
20K· 12.43 mi
18:11/mi
3:10:11
↑ 67↓ 40
Half· 13.10 mi
14:20/mi
3:19:48
↓ 27
25K· 15.53 mi
16:11/mi
3:59:11
↑ 50↓ 63
30K· 18.64 mi
17:18/mi
4:52:53
↑ 69↓ 46
35K· 21.75 mi
18:53/mi
5:51:32
↑ 87↓ 88
40K· 24.85 mi
18:34/mi
6:49:13
↑ 58↓ 75
Finish· 26.22 mi
21:14/mi
7:18:10
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
3:19:4815:16 /mi⚡ faster
2nd Half
3:58:2218:11 /mi+19.3%
Positive split — 19.3% 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
39:5012:503.11 mi39:50
12:50
-
10K
1:27:0614:023.10 mi47:16
15:13
+2:23
15K
2:13:4214:213.11 mi46:36
15:00
-0:13
20K
3:10:1115:193.11 mi56:29
18:11
+3:11
Half(13.10 mi)
3:19:4815:160.67 mi9:37
14:20
-3:51
25K
3:59:1115:242.43 mi39:23
16:11
+1:51
30K
4:52:5315:433.11 mi53:42
17:18
+1:07
35K
5:51:3216:103.11 mi58:39
18:53
+1:35
40K
6:49:1316:283.10 mi57:41
18:34
-0:19
Finish(26.22 mi)
7:18:1016:441.37 mi28:57
21:14
+2:40
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:50 /mi

Average Pace

16:43 /mi

Slowest Pace

21:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:23:19

33% of race

Time at Steady Pace

2:29:34

34% of race

Time at Slower Pace

2:25:17

33% of race

Average Pace: 16:43 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi567432384823848574622441024410
10K3.10 mi58116-137324873-102524873-1025587112531225312
15K3.11 mi57994+12224776+9724776+97574622441024410
20K3.11 mi58602-60825228-45225228-452592662574225742
Half(13.10 mi)0.67 mi58512+9025168+6025168+60545592275522755
25K2.43 mi58248+26424969+19924969+199562312373923739
30K3.11 mi58223+2524958+1124958+11573562454924549
35K3.11 mi58350-12725066-10825066-108584612533425334
40K3.10 mi58462-11225158-9225158-92586422540925409
Finish(26.22 mi)1.37 mi58651-18925294-13625294-136594472591825918

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×10story building
+49ft-125ft

Overall

57462

Females

24410

F18-39

24410

5K→10K

3.1 - 6.2 mi

Top 98%
×4story building
+50ft-81ft

Overall

58711

Females

25312

F18-39

25312

10K→15K

6.2 - 9.3 mi

Top 96%
×1story
+44ft-51ft

Overall

57462

Females

24410

F18-39

24410

15K→20K

9.3 - 12.4 mi

Top 99%
×3story building
+67ft-40ft

Overall

59266

Females

25742

F18-39

25742

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+8ft-27ft

Overall

54559

Females

22755

F18-39

22755

Half→25K

13.1 - 15.5 mi

Top 94%
×2story building
+50ft-63ft

Overall

56231

Females

23739

F18-39

23739

25K→30K

15.5 - 18.6 mi

Top 96%
×2story building
+69ft-46ft

Overall

57356

Females

24549

F18-39

24549

30K→35K

18.6 - 21.8 mi

Top 98%
×2story building
+87ft-88ft

Overall

58461

Females

25334

F18-39

25334

35K→40K

21.8 - 24.9 mi

Top 98%
×3story building
+58ft-75ft

Overall

58642

Females

25409

F18-39

25409

40K→Finish

24.9 - 26.2 mi

Top 99%
×1story
+14ft-18ft

Overall

59447

Females

25918

F18-39

25918

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#56743
5K → 10K
143663-1373
#56743 → #58116
10K → 15K
151273+122
#58116 → #57994
15K → 20K
64032-608
#57994 → #58602
20K → Half
090+90
#58602 → #58512
Half → 25K
19283+264
#58512 → #58248
25K → 30K
111136+25
#58248 → #58223
30K → 35K
17952-127
#58223 → #58350
35K → 40K
15341-112
#58350 → #58462
40K → Finish
1956-189
#58462 → #58651
TOTALS
2884976-1908
#56743 → #58651

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