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BOSTON MARATHON 2023

Michael Krajicek

Bib: 4886•M

TX

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0:00
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 39%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #6819
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
44:13
Rank: #7215 (-396)
5K → 10K
22:11 | 7:08/mi
15K· 9.32 mi
1:06:01
Rank: #6998 (+217)
10K → 15K
21:48 | 7:01/mi
20K· 12.43 mi
1:28:11
Rank: #6905 (+93)
15K → 20K
22:10 | 7:08/mi
Half· 13.11 mi
1:33:01
Rank: #6900 (+5)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:50:34
Rank: #6879 (+21)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:14:17
Rank: #7010 (-131)
25K → 30K
23:43 | 7:38/mi
20M
2:24:29
Rank: #6967 (+43)
30K → 20M
10:12 | 7:30/mi
21M
2:32:25
Rank: #6916 (+51)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:37:55
Rank: #6907 (+9)
21M → 35K
5:30 | 7:21/mi
23M
2:47:14
Rank: #6815 (+92)
35K → 23M
9:19 | 7:26/mi
24M
2:54:37
Rank: #6788 (+27)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:01:12
Rank: #6787 (+1)
24M → 40K
6:35 | 7:42/mi
25.2M
3:04:03
Rank: #6786 (+1)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:11:45
Rank: #6835 (-49)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:01
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4922:027:0622:02
7:06
-
10K
6.21 mi10:46:0044:137:0722:11
7:08
+0:02
15K
9.32 mi11:07:481:06:017:0521:48
7:01
-0:07
20K
12.43 mi11:29:581:28:117:0622:10
7:08
+0:07
Half
13.11 mi11:34:481:33:017:064:50
7:05
-0:03
25K
15.53 mi11:52:211:50:347:0717:33
7:14
+0:09
30K
18.64 mi12:16:042:14:177:1223:43
7:38
+0:24
20M
20.00 mi12:26:162:24:297:1310:12
7:30
-0:08
21M
21.00 mi12:34:122:32:257:157:56
7:56
+0:26
35K
21.75 mi12:39:422:37:557:165:30
7:21
-0:35
23M
23.00 mi12:49:012:47:147:169:19
7:26
+0:05
24M
24.00 mi12:56:242:54:377:177:23
7:23
-0:03
40K
24.85 mi13:02:593:01:127:176:35
7:42
+0:19
25.2M
25.20 mi13:05:503:04:037:182:51
8:16
+0:34
Finish
26.22 mi13:13:323:11:457:197:42
7:33
-0:43

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

7:01 /mi

Average Pace

7:19 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:58

94% of race

Time at Steady Pace

10:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:23:4922:027:0622:02
7:06
#6819
10K
6.21 mi10:46:0044:137:0722:11
7:08
#7215
15K
9.32 mi11:07:481:06:017:0521:48
7:01
#6998
20K
12.43 mi11:29:581:28:117:0622:10
7:08
#6905
Half
13.11 mi11:34:481:33:017:064:50
7:05
#6900
25K
15.53 mi11:52:211:50:347:0717:33
7:14
#6879
30K
18.64 mi12:16:042:14:177:1223:43
7:38
#7010
20M
20.00 mi12:26:162:24:297:1310:12
7:30
#6967
21M
21.00 mi12:34:122:32:257:157:56
7:56
#6916
35K
21.75 mi12:39:422:37:557:165:30
7:21
#6907
23M
23.00 mi12:49:012:47:147:169:19
7:26
#6815
24M
24.00 mi12:56:242:54:377:177:23
7:23
#6788
40K
24.85 mi13:02:593:01:127:176:35
7:42
#6787
25.2M
25.20 mi13:05:503:04:037:182:51
8:16
#6786
Finish
26.22 mi13:13:323:11:457:197:42
7:33
#6835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6819613661366654(Top 25%)5978(Top 39%)5978(Top 113%)
10K6.21 mi3.10 mi7215-3966416-2806416-2807679(Top 29%)6715(Top 44%)6715(Top 127%)
15K9.32 mi3.11 mi6998+2176250+1666250+1666654(Top 25%)5978(Top 39%)5978(Top 113%)
20K12.43 mi3.11 mi6905+936180+706180+706734(Top 25%)6013(Top 40%)6013(Top 114%)
Half13.11 mi0.68 mi6900+56177+36177+37036(Top 26%)6253(Top 41%)6253(Top 118%)
25K15.53 mi2.42 mi6879+216149+286149+286883(Top 26%)6076(Top 40%)6076(Top 115%)
30K18.64 mi3.11 mi7010-1316221-726221-728170(Top 31%)6785(Top 45%)6785(Top 128%)
20M20.00 mi1.36 mi6967+436184+376184+376800(Top 26%)5840(Top 38%)5840(Top 111%)
21M21.00 mi1.00 mi6916+516132+526132+526912(Top 26%)5808(Top 38%)5808(Top 110%)
35K21.75 mi0.75 mi6907+96114+186114+187439(Top 28%)6143(Top 40%)6143(Top 116%)
23M23.00 mi1.25 mi6815+926029+856029+856098(Top 23%)5250(Top 35%)5250(Top 99%)
24M24.00 mi1.00 mi6788+275990+395990+396916(Top 26%)5669(Top 37%)5669(Top 107%)
40K24.85 mi0.85 mi6787+15967+235967+237942(Top 30%)6205(Top 41%)6205(Top 117%)
25.2M25.20 mi0.35 mi6786+15959+85959+87975(Top 30%)6135(Top 40%)6135(Top 116%)
Finish26.22 mi1.02 mi6835-495975-165975-168925(Top 34%)6703(Top 44%)6703(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6654

Males

5978

M18-39

5978

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7679

Males

6715

M18-39

6715

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6654

Males

5978

M18-39

5978

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6734

Males

6013

M18-39

6013

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7036

Males

6253

M18-39

6253

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6883

Males

6076

M18-39

6076

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8170

Males

6785

M18-39

6785

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6800

Males

5840

M18-39

5840

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6912

Males

5808

M18-39

5808

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7439

Males

6143

M18-39

6143

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6098

Males

5250

M18-39

5250

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6916

Males

5669

M18-39

5669

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7942

Males

6205

M18-39

6205

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7975

Males

6135

M18-39

6135

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8925

Males

6703

M18-39

6703

Passing Analysis

Category:
Athletes Passed
1181
Passed By
1197
Net Change
-16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6819
5K → 10K72468-396#6819#7215
10K → 15K26851+217#7215#6998
15K → 20K15764+93#6998#6905
20K → Half2318+5#6905#6900
Half → 25K8867+21#6900#6879
25K → 30K76207-131#6879#7010
30K → 20M7532+43#7010#6967
20M → 21M8029+51#6967#6916
21M → 35K4435+9#6916#6907
35K → 23M11119+92#6907#6815
23M → 24M7043+27#6815#6788
24M → 40K5655+1#6788#6787
40K → 25.2M2827+1#6787#6786
25.2M → Finish3382-49#6786#6835
TOTALS11811197-16
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing