Grzegorz Sionkowski

Bib: 23569 M PL

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 43%
Gender (Male)
#0 / 33594
Masters (Masters Men)
#0 / 16876
Top 49%
Division (M40-44)
#0 / 4826
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
9:54/mi
30:45
49125
10K· 6.21 mi
9:38/mi
1:00:38
5081
15K· 9.32 mi
9:59/mi
1:31:36
4451
20K· 12.43 mi
9:38/mi
2:01:30
6740
Half· 13.10 mi
10:00/mi
2:08:12
27
25K· 15.53 mi
9:43/mi
2:31:51
5063
30K· 18.64 mi
9:54/mi
3:02:35
6946
35K· 21.75 mi
9:36/mi
3:32:24
8788
40K· 24.85 mi
9:41/mi
4:02:26
5875
Finish· 26.22 mi
10:11/mi
4:16:19
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half
2:08:129:48 /mi⚖️ balanced
2nd Half
2:08:079:46 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

Grzegorz's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
30:459:543.11 mi30:45
9:54
-
10K
1:00:389:463.10 mi29:53
9:38
-0:16
15K
1:31:369:503.11 mi30:58
9:59
+0:21
20K
2:01:309:473.11 mi29:54
9:38
-0:21
Half(13.10 mi)
2:08:129:480.67 mi6:42
10:00
+0:22
25K
2:31:519:472.43 mi23:39
9:43
-0:17
30K
3:02:359:483.11 mi30:44
9:54
+0:11
35K
3:32:249:463.11 mi29:49
9:36
-0:18
40K
4:02:269:463.10 mi30:02
9:41
+0:05
Finish(26.22 mi)
4:16:199:471.37 mi13:53
10:11
+0:30
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Grzegorz's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:36 /mi

Average Pace

9:47 /mi

Slowest Pace

10:11 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

4:02:26

95% of race

Time at Steady Pace

13:53

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:47 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi375882535325353324472256622566
10K3.10 mi34966+262223998+135523998+1355327322272422724
15K3.11 mi34025+94123480+51823480+518324472256622566
20K3.11 mi32884+114122771+70922771+709301372109821098
Half(13.10 mi)0.67 mi32691+19322640+13122640+131302472100421004
25K2.43 mi31435+125621816+82421816+824271211903319033
30K3.11 mi29805+163020731+108520731+1085247541725617256
35K3.11 mi27429+237619059+167219059+1672190741334913349
40K3.10 mi25820+160917889+117017889+1170185521256612566
Finish(26.22 mi)1.37 mi25634+18617717+17217717+172245101600216002

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
131 ft55 ft
49ft125ft
117 ft

Overall

32447

Males

22566

M40-44

22566

5K→10K

3.1 - 6.2 mi

Top 55%
55 ft24 ft
50ft81ft
45 ft

Overall

32732

Males

22724

M40-44

22724

10K→15K

6.2 - 9.3 mi

Top 54%
24 ft18 ft
44ft51ft
17 ft

Overall

32447

Males

22566

M40-44

22566

15K→20K

9.3 - 12.4 mi

Top 50%
18 ft45 ft
67ft40ft
38 ft

Overall

30137

Males

21098

M40-44

21098

20K→Half

12.4 - 13.1 mi

Top 51%
45 ft26 ft
8ft27ft
20 ft

Overall

30247

Males

21004

M40-44

21004

Half→25K

13.1 - 15.5 mi

Top 45%
25 ft12 ft
50ft63ft
20 ft

Overall

27121

Males

19033

M40-44

19033

25K→30K

15.5 - 18.6 mi

Top 41%
12 ft35 ft
69ft46ft
28 ft

Overall

24754

Males

17256

M40-44

17256

30K→35K

18.6 - 21.8 mi

Top 32%
35 ft34 ft
87ft88ft
23 ft

Overall

19074

Males

13349

M40-44

13349

35K→40K

21.8 - 24.9 mi

Top 31%
34 ft17 ft
58ft75ft
31 ft

Overall

18552

Males

12566

M40-44

12566

40K→Finish

24.9 - 26.2 mi

Top 41%
17 ft13 ft
14ft18ft
13 ft

Overall

24510

Males

16002

M40-44

16002

Passing Analysis

Category:
Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#37588
5K10K
412663+2622
#37588 #34966
10K15K
1221063+941
#34966 #34025
15K20K
391180+1141
#34025 #32884
20KHalf
31224+193
#32884 #32691
Half25K
221278+1256
#32691 #31435
25K30K
371667+1630
#31435 #29805
30K35K
72383+2376
#29805 #27429
35K40K
161625+1609
#27429 #25820
40KFinish
89275+186
#25820 #25634
TOTALS
40412358+11954
#37588 #25634

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