TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Chaz Blackwood

Bib: 49158 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 24%
Gender (Male)
#0 / 33594
Top 31%
Masters (Masters Men)
#0 / 16876
Top 28%
Division (M40-44)
#0 / 4826
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
5K· 3.11 mi
7:54/mi
24:30
↑ 49↓ 125
10K· 6.21 mi
7:56/mi
49:06
↑ 50↓ 81
15K· 9.32 mi
8:02/mi
1:14:03
↑ 44↓ 51
20K· 12.43 mi
8:00/mi
1:38:53
↑ 67↓ 40
Half· 13.10 mi
8:21/mi
1:44:29
↓ 27
25K· 15.53 mi
8:11/mi
2:04:24
↑ 50↓ 63
30K· 18.64 mi
8:35/mi
2:31:01
↑ 69↓ 46
35K· 21.75 mi
9:04/mi
2:59:09
↑ 87↓ 88
40K· 24.85 mi
9:53/mi
3:29:50
↑ 58↓ 75
Finish· 26.22 mi
10:14/mi
3:43:47
↑ 14↓ 18
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
×14
613ft
Total descent

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The Course

Half Splits

1st Half· via Half
1:44:297:59 /mi⚡ faster
2nd Half
1:59:189:06 /mi+14.2%
Positive split — 14.2% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:307:543.11 mi24:30
7:54
-
10K
49:067:553.10 mi24:36
7:56
+0:02
15K
1:14:037:573.11 mi24:57
8:02
+0:06
20K
1:38:537:583.11 mi24:50
8:00
-0:02
Half(13.10 mi)
1:44:297:590.67 mi5:36
8:21
+0:21
25K
2:04:248:012.43 mi19:55
8:11
-0:10
30K
2:31:018:073.11 mi26:37
8:35
+0:24
35K
2:59:098:153.11 mi28:08
9:04
+0:29
40K
3:29:508:273.10 mi30:41
9:53
+0:49
Finish(26.22 mi)
3:43:478:331.37 mi13:57
10:14
+0:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:54 /mi

Average Pace

8:32 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

49:06

22% of race

Time at Steady Pace

1:41:55

46% of race

Time at Slower Pace

1:12:46

33% of race

Average Pace: 8:32 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi12728988498841124988908890
10K3.10 mi12274+4549556+3289556+3281197293609360
15K3.11 mi11836+4389274+2829274+2821124988908890
20K3.11 mi12080-2449428-1549428-154129861008210082
Half(13.10 mi)0.67 mi12187-1079502-749502-74141411083210832
25K2.43 mi12266-799543-419543-41130021001210012
30K3.11 mi12491-2259649-1069649-106137021034210342
35K3.11 mi12756-2659757-1089757-108147621066410664
40K3.10 mi13573-81710148-39110148-391199911343813438
Finish(26.22 mi)1.37 mi14055-48210407-25910407-259248921620916209

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×10
+49ft-125ft

Overall

11249

Males

8890

M40-44

8890

5K→10K

3.1 - 6.2 mi

Top 20%
×4
+50ft-81ft

Overall

11972

Males

9360

M40-44

9360

10K→15K

6.2 - 9.3 mi

Top 19%
+44ft-51ft

Overall

11249

Males

8890

M40-44

8890

15K→20K

9.3 - 12.4 mi

Top 22%
×3
+67ft-40ft

Overall

12986

Males

10082

M40-44

10082

20K→Half

12.4 - 13.1 mi

Top 24%
×2
+8ft-27ft

Overall

14141

Males

10832

M40-44

10832

Half→25K

13.1 - 15.5 mi

Top 22%
×2
+50ft-63ft

Overall

13002

Males

10012

M40-44

10012

25K→30K

15.5 - 18.6 mi

Top 23%
×2
+69ft-46ft

Overall

13702

Males

10342

M40-44

10342

30K→35K

18.6 - 21.8 mi

Top 25%
×2
+87ft-88ft

Overall

14762

Males

10664

M40-44

10664

35K→40K

21.8 - 24.9 mi

Top 33%
×3
+58ft-75ft

Overall

19991

Males

13438

M40-44

13438

40K→Finish

24.9 - 26.2 mi

Top 42%
+14ft-18ft

Overall

24892

Males

16209

M40-44

16209

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#12728
5K → 10K
175629+454
#12728 → #12274
10K → 15K
63501+438
#12274 → #11836
15K → 20K
396152-244
#11836 → #12080
20K → Half
13730-107
#12080 → #12187
Half → 25K
289210-79
#12187 → #12266
25K → 30K
482257-225
#12266 → #12491
30K → 35K
573308-265
#12491 → #12756
35K → 40K
992175-817
#12756 → #13573
40K → Finish
53654-482
#13573 → #14055
TOTALS
36432316-1327
#12728 → #14055

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