TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Alex Jemi

Bib: 44521 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 36%
Gender (Male)
#0 / 33594
Top 45%
Division (M18-39)
#0 / 16712
Top 49%
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
8:47/mi
27:16
↑ 49↓ 125
10K· 6.21 mi
8:50/mi
54:42
↑ 50↓ 81
15K· 9.32 mi
9:07/mi
1:23:00
↑ 44↓ 51
20K· 12.43 mi
9:00/mi
1:50:57
↑ 67↓ 40
Half· 13.10 mi
9:21/mi
1:57:13
↓ 27
25K· 15.53 mi
9:15/mi
2:19:44
↑ 50↓ 63
30K· 18.64 mi
9:35/mi
2:49:28
↑ 69↓ 46
35K· 21.75 mi
9:48/mi
3:19:53
↑ 87↓ 88
40K· 24.85 mi
9:50/mi
3:50:25
↑ 58↓ 75
Finish· 26.22 mi
9:43/mi
4:03:39
↑ 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
1:57:138:57 /mi⚡ faster
2nd Half
2:06:269:39 /mi+7.9%
Positive split — 7.9% 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
27:168:473.11 mi27:16
8:47
-
10K
54:428:493.10 mi27:26
8:50
+0:03
15K
1:23:008:553.11 mi28:18
9:07
+0:17
20K
1:50:578:563.11 mi27:57
9:00
-0:07
Half(13.10 mi)
1:57:138:570.67 mi6:16
9:21
+0:21
25K
2:19:449:002.43 mi22:31
9:15
-0:06
30K
2:49:289:063.11 mi29:44
9:35
+0:20
35K
3:19:539:123.11 mi30:25
9:48
+0:13
40K
3:50:259:173.10 mi30:32
9:50
+0:02
Finish(26.22 mi)
4:03:399:181.37 mi13:14
9:43
-0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:47 /mi

Average Pace

9:18 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:49:28

70% of race

Time at Steady Pace

1:14:11

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi234121699416994226291652116521
10K3.10 mi22781+63116588+40616588+406222341619316193
15K3.11 mi22625+15616500+8816500+88226291652116521
20K3.11 mi22774-14916592-9216592-92235851710017100
Half(13.10 mi)0.67 mi22816-4216618-2616618-26244001751617516
25K2.43 mi22717+9916513+10516513+105232711667916679
30K3.11 mi22547+17016291+22216291+222224321586315863
35K3.11 mi22055+49215793+49815793+498203781413414134
40K3.10 mi21642+41315339+45415339+454196751325613256
Finish(26.22 mi)1.37 mi21516+12615209+13015209+130206191374713747

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×10
+49ft-125ft

Overall

22629

Males

16521

M18-39

16521

5K→10K

3.1 - 6.2 mi

Top 37%
×4
+50ft-81ft

Overall

22234

Males

16193

M18-39

16193

10K→15K

6.2 - 9.3 mi

Top 38%
+44ft-51ft

Overall

22629

Males

16521

M18-39

16521

15K→20K

9.3 - 12.4 mi

Top 39%
×3
+67ft-40ft

Overall

23585

Males

17100

M18-39

17100

20K→Half

12.4 - 13.1 mi

Top 41%
×2
+8ft-27ft

Overall

24400

Males

17516

M18-39

17516

Half→25K

13.1 - 15.5 mi

Top 39%
×2
+50ft-63ft

Overall

23271

Males

16679

M18-39

16679

25K→30K

15.5 - 18.6 mi

Top 38%
×2
+69ft-46ft

Overall

22432

Males

15863

M18-39

15863

30K→35K

18.6 - 21.8 mi

Top 34%
×2
+87ft-88ft

Overall

20378

Males

14134

M18-39

14134

35K→40K

21.8 - 24.9 mi

Top 33%
×3
+58ft-75ft

Overall

19675

Males

13256

M18-39

13256

40K→Finish

24.9 - 26.2 mi

Top 34%
+14ft-18ft

Overall

20619

Males

13747

M18-39

13747

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#23412
5K → 10K
277908+631
#23412 → #22781
10K → 15K
351507+156
#22781 → #22625
15K → 20K
466317-149
#22625 → #22774
20K → Half
11169-42
#22774 → #22816
Half → 25K
311410+99
#22816 → #22717
25K → 30K
433603+170
#22717 → #22547
30K → 35K
330822+492
#22547 → #22055
35K → 40K
304717+413
#22055 → #21642
40K → Finish
107233+126
#21642 → #21516
TOTALS
26904586+1896
#23412 → #21516

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