Michael Hartzog

Bib: 22464 M US

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 39%
Gender (Male)
#0 / 33594
Top 49%
Masters (Masters Men)
#0 / 16876
Top 45%
Division (M45-49)
#0 / 4167
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
9:09/mi
28:23
49125
10K· 6.21 mi
9:11/mi
56:54
5081
15K· 9.32 mi
9:45/mi
1:27:11
4451
20K· 12.43 mi
9:06/mi
1:55:25
6740
Half· 13.10 mi
9:22/mi
2:01:42
27
25K· 15.53 mi
9:09/mi
2:23:58
5063
30K· 18.64 mi
9:23/mi
2:53:05
6946
35K· 21.75 mi
10:15/mi
3:24:54
8788
40K· 24.85 mi
10:00/mi
3:55:57
5875
Finish· 26.22 mi
9:54/mi
4:09:27
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
2:01:429:18 /mi⚡ faster
2nd Half
2:07:459:45 /mi+5.0%
Positive split — 5.0% slower in the second half
AI Race Performance Report

Michael'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
28:239:093.11 mi28:23
9:09
-
10K
56:549:103.10 mi28:31
9:11
+0:02
15K
1:27:119:223.11 mi30:17
9:45
+0:34
20K
1:55:259:183.11 mi28:14
9:06
-0:39
Half(13.10 mi)
2:01:429:180.67 mi6:17
9:22
+0:16
25K
2:23:589:172.43 mi22:16
9:09
-0:13
30K
2:53:059:183.11 mi29:07
9:23
+0:14
35K
3:24:549:263.11 mi31:49
10:15
+0:52
40K
3:55:579:303.10 mi31:03
10:00
-0:15
Finish(26.22 mi)
4:09:279:321.37 mi13:30
9:54
-0:06
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Michael's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:06 /mi

Average Pace

9:31 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:37:38

87% of race

Time at Steady Pace

31:49

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:31 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi287972039020390304202138321383
10K3.10 mi27859+93819784+60619784+606271261932919329
15K3.11 mi28923-106420484-70020484-700304202138321383
20K3.11 mi27626+129719670+81419670+814248001788117881
Half(13.10 mi)0.67 mi27430+19619539+13119539+131246831771017710
25K2.43 mi26232+119818753+78618753+786222001600316003
30K3.11 mi24869+136317783+97017783+970208211488114881
35K3.11 mi24330+53917220+56317220+563234141592515925
40K3.10 mi23546+78416518+70216518+702208481393513935
Finish(26.22 mi)1.37 mi23321+22516312+20616312+206221591466614666

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
131 ft55 ft
49ft125ft
117 ft

Overall

30420

Males

21383

M45-49

21383

5K→10K

3.1 - 6.2 mi

Top 45%
55 ft24 ft
50ft81ft
45 ft

Overall

27126

Males

19329

M45-49

19329

10K→15K

6.2 - 9.3 mi

Top 51%
24 ft18 ft
44ft51ft
17 ft

Overall

30420

Males

21383

M45-49

21383

15K→20K

9.3 - 12.4 mi

Top 41%
18 ft45 ft
67ft40ft
38 ft

Overall

24800

Males

17881

M45-49

17881

20K→Half

12.4 - 13.1 mi

Top 41%
45 ft26 ft
8ft27ft
20 ft

Overall

24683

Males

17710

M45-49

17710

Half→25K

13.1 - 15.5 mi

Top 37%
25 ft12 ft
50ft63ft
20 ft

Overall

22200

Males

16003

M45-49

16003

25K→30K

15.5 - 18.6 mi

Top 35%
12 ft35 ft
69ft46ft
28 ft

Overall

20821

Males

14881

M45-49

14881

30K→35K

18.6 - 21.8 mi

Top 39%
35 ft34 ft
87ft88ft
23 ft

Overall

23414

Males

15925

M45-49

15925

35K→40K

21.8 - 24.9 mi

Top 35%
34 ft17 ft
58ft75ft
31 ft

Overall

20848

Males

13935

M45-49

13935

40K→Finish

24.9 - 26.2 mi

Top 37%
17 ft13 ft
14ft18ft
13 ft

Overall

22159

Males

14666

M45-49

14666

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing