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LONDON MARATHON MASS 2026

Henry Dowell

Bib: 51135 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 25%
Gender (Male)
#0 / 33594
Top 32%
Division (M18-39)
#0 / 16712
Top 35%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
131 ft elev
5K· 3.11 mi
7:49/mi
24:15
↑ 49↓ 1250.5%
54 ft elev
10K· 6.21 mi
8:05/mi
49:20
↑ 50↓ 810.2%
24 ft elev
15K· 9.32 mi
8:22/mi
1:15:18
↑ 44↓ 51
18 ft elev
20K· 12.43 mi
8:09/mi
1:40:35
↑ 67↓ 400.2%
45 ft elev
Half· 13.10 mi
8:20/mi
1:46:10
↓ 270.6%
25 ft elev
25K· 15.53 mi
8:28/mi
2:06:47
↑ 50↓ 630.1%
12 ft elev
30K· 18.64 mi
9:05/mi
2:34:58
↑ 69↓ 460.1%
35 ft elev
35K· 21.75 mi
9:01/mi
3:02:57
↑ 87↓ 88
34 ft elev
40K· 24.85 mi
9:54/mi
3:33:40
↑ 58↓ 750.1%
17 ft elev
Finish· 26.22 mi
8:51/mi
3:45:43
↑ 14↓ 18
19 ft elev
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:46:10
Pace8:07 /mi
2nd Half
Distance13.12 mi
Time1:59:33
Pace9:07 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:2024:157:4924:15
7:49
-
10K
6.21 mi10:41:2549:207:5725:05
8:05
+0:16
15K
9.32 mi11:07:231:15:188:0525:58
8:22
+0:17
20K
12.43 mi11:32:401:40:358:0625:17
8:09
-0:13
Half
13.10 mi11:38:151:46:108:075:35
8:20
+0:11
25K
15.53 mi11:58:522:06:478:1020:37
8:28
+0:08
30K
18.64 mi12:27:032:34:588:1928:11
9:05
+0:37
35K
21.75 mi12:55:023:02:578:2527:59
9:01
-0:04
40K
24.85 mi13:25:453:33:408:3630:43
9:54
+0:53
Finish
26.22 mi13:37:483:45:438:3712:03
8:51
-1:03

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:49 /mi

Average Pace

8:37 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:37

33% of race

Time at Steady Pace

52:10

23% of race

Time at Slower Pace

1:38:56

44% of race

Average Pace: 8:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:16:2024:157:4924:15
7:49
#11857
10K
6.21 mi10:41:2549:207:5725:05
8:05
#12723
15K
9.32 mi11:07:231:15:188:0525:58
8:22
#13514
20K
12.43 mi11:32:401:40:358:0625:17
8:09
#13740
Half
13.10 mi11:38:151:46:108:075:35
8:20
#13734
25K
15.53 mi11:58:522:06:478:1020:37
8:28
#14013
30K
18.64 mi12:27:032:34:588:1928:11
9:05
#14612
35K
21.75 mi12:55:023:02:578:2527:59
9:01
#14334
40K
24.85 mi13:25:453:33:408:3630:43
9:54
#14944
Finish
26.22 mi13:37:483:45:438:3712:03
8:51
#14745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi118579311931114892(Top 25%)11404(Top 34%)11404(Top 68%)
10K6.21 mi3.10 mi12723-8669864-5539864-55313886(Top 23%)10661(Top 32%)10661(Top 64%)
15K9.32 mi3.11 mi13514-79110429-56510429-56514892(Top 25%)11404(Top 34%)11404(Top 68%)
20K12.43 mi3.11 mi13740-22610577-14810577-14814456(Top 24%)11087(Top 33%)11087(Top 66%)
Half13.10 mi0.67 mi13734+610569+810569+813925(Top 23%)10686(Top 32%)10686(Top 64%)
25K15.53 mi2.43 mi14013-27910754-18510754-18515435(Top 26%)11618(Top 35%)11618(Top 70%)
30K18.64 mi3.11 mi14612-59911088-33411088-33417908(Top 30%)13031(Top 39%)13031(Top 78%)
35K21.75 mi3.11 mi14334+27810788+30010788+30014396(Top 24%)10434(Top 31%)10434(Top 62%)
40K24.85 mi3.10 mi14944-61011047-25911047-25920072(Top 34%)13487(Top 40%)13487(Top 81%)
Finish26.22 mi1.37 mi14745+19910874+17310874+17313521(Top 23%)9404(Top 28%)9404(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×10story building
+49ft-125ft

Overall

14892

Males

11404

M18-39

11404

5K→10K

3.1 - 6.2 mi

Top 23%
×4story building
+50ft-81ft

Overall

13886

Males

10661

M18-39

10661

10K→15K

6.2 - 9.3 mi

Top 25%
×1story
+44ft-51ft

Overall

14892

Males

11404

M18-39

11404

15K→20K

9.3 - 12.4 mi

Top 24%
×3story building
+67ft-40ft

Overall

14456

Males

11087

M18-39

11087

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+8ft-27ft

Overall

13925

Males

10686

M18-39

10686

Half→25K

13.1 - 15.5 mi

Top 26%
×2story building
+50ft-63ft

Overall

15435

Males

11618

M18-39

11618

25K→30K

15.5 - 18.6 mi

Top 30%
×2story building
+69ft-46ft

Overall

17908

Males

13031

M18-39

13031

30K→35K

18.6 - 21.8 mi

Top 24%
×2story building
+87ft-88ft

Overall

14396

Males

10434

M18-39

10434

35K→40K

21.8 - 24.9 mi

Top 34%
×3story building
+58ft-75ft

Overall

20072

Males

13487

M18-39

13487

40K→Finish

24.9 - 26.2 mi

Top 23%
×1story
+14ft-18ft

Overall

13521

Males

9404

M18-39

9404

Passing Analysis

Category:
Athletes Passed
1876
Passed By
4764
Net Change
-2888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11857
5K → 10K132998-866#11857#12723
10K → 15K98889-791#12723#13514
15K → 20K167393-226#13514#13740
20K → Half6155+6#13740#13734
Half → 25K167446-279#13734#14013
25K → 30K215814-599#14013#14612
30K → 35K554276+278#14612#14334
35K → 40K216826-610#14334#14944
40K → Finish26667+199#14944#14745
TOTALS18764764-2888
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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London Marathon Events

London Marathon Events

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