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BOSTON MARATHON 2023

Cory Krabbe

Bib: 6458•M

OH

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0:00
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
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
21:05
Rank: #4541
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:48
Rank: #4252 (+289)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:28
Rank: #4036 (+216)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:23:11
Rank: #3807 (+229)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:27:40
Rank: #3764 (+43)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:00
Rank: #3724 (+40)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:05:24
Rank: #3666 (+58)
25K → 30K
21:24 | 6:53/mi
20M
2:14:47
Rank: #3610 (+56)
30K → 20M
9:23 | 6:54/mi
21M
2:22:11
Rank: #3620 (-10)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:27:19
Rank: #3652 (-32)
21M → 35K
5:08 | 6:52/mi
23M
2:36:19
Rank: #3716 (-64)
35K → 23M
9:00 | 7:11/mi
24M
2:43:09
Rank: #3708 (+8)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:49:25
Rank: #3808 (-100)
24M → 40K
6:16 | 7:20/mi
25.2M
2:52:09
Rank: #3864 (-56)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:59:37
Rank: #4079 (-215)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:40
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4221:056:4721:05
6:47
-
10K
6.21 mi10:45:2541:486:4420:43
6:40
-0:07
15K
9.32 mi11:06:051:02:286:4220:40
6:39
-0:01
20K
12.43 mi11:26:481:23:116:4220:43
6:40
+0:01
Half
13.11 mi11:31:171:27:406:414:29
6:34
-0:06
25K
15.53 mi11:47:371:44:006:4216:20
6:44
+0:10
30K
18.64 mi12:09:012:05:246:4421:24
6:53
+0:09
20M
20.00 mi12:18:242:14:476:449:23
6:54
+0:01
21M
21.00 mi12:25:482:22:116:467:24
7:24
+0:30
35K
21.75 mi12:30:562:27:196:465:08
6:52
-0:32
23M
23.00 mi12:39:562:36:196:489:00
7:11
+0:19
24M
24.00 mi12:46:462:43:096:486:50
6:50
-0:21
40K
24.85 mi12:53:022:49:256:496:16
7:20
+0:30
25.2M
25.20 mi12:55:462:52:096:502:44
7:56
+0:36
Finish
26.22 mi13:03:142:59:376:517:28
7:20
-0:36

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

6:34 /mi

Average Pace

6:51 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:35

37% of race

Time at Steady Pace

1:20:10

45% of race

Time at Slower Pace

32:52

18% of race

Average Pace: 6:51 /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 mi10:24:4221:056:4721:05
6:47
#4541
10K
6.21 mi10:45:2541:486:4420:43
6:40
#4252
15K
9.32 mi11:06:051:02:286:4220:40
6:39
#4036
20K
12.43 mi11:26:481:23:116:4220:43
6:40
#3807
Half
13.11 mi11:31:171:27:406:414:29
6:34
#3764
25K
15.53 mi11:47:371:44:006:4216:20
6:44
#3724
30K
18.64 mi12:09:012:05:246:4421:24
6:53
#3666
20M
20.00 mi12:18:242:14:476:449:23
6:54
#3610
21M
21.00 mi12:25:482:22:116:467:24
7:24
#3620
35K
21.75 mi12:30:562:27:196:465:08
6:52
#3652
23M
23.00 mi12:39:562:36:196:489:00
7:11
#3716
24M
24.00 mi12:46:462:43:096:486:50
6:50
#3708
40K
24.85 mi12:53:022:49:256:496:16
7:20
#3808
25.2M
25.20 mi12:55:462:52:096:502:44
7:56
#3864
Finish
26.22 mi13:03:142:59:376:517:28
7:20
#4079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4541423542353704(Top 14%)3492(Top 23%)3492(Top 66%)
10K6.21 mi3.10 mi4252+2893985+2503985+2504037(Top 15%)3796(Top 25%)3796(Top 72%)
15K9.32 mi3.11 mi4036+2163796+1893796+1893704(Top 14%)3492(Top 23%)3492(Top 66%)
20K12.43 mi3.11 mi3807+2293596+2003596+2003328(Top 13%)3158(Top 21%)3158(Top 60%)
Half13.11 mi0.68 mi3764+433558+383558+383265(Top 12%)3115(Top 21%)3115(Top 59%)
25K15.53 mi2.42 mi3724+403521+373521+373655(Top 14%)3444(Top 23%)3444(Top 65%)
30K18.64 mi3.11 mi3666+583465+563465+563581(Top 13%)3363(Top 22%)3363(Top 64%)
20M20.00 mi1.36 mi3610+563414+513414+513471(Top 13%)3243(Top 21%)3243(Top 61%)
21M21.00 mi1.00 mi3620-103424-103424-104118(Top 15%)3787(Top 25%)3787(Top 72%)
35K21.75 mi0.75 mi3652-323448-243448-244547(Top 17%)4138(Top 27%)4138(Top 78%)
23M23.00 mi1.25 mi3716-643502-543502-544721(Top 18%)4250(Top 28%)4250(Top 80%)
24M24.00 mi1.00 mi3708+83492+103492+103829(Top 14%)3501(Top 23%)3501(Top 66%)
40K24.85 mi0.85 mi3808-1003579-873579-875595(Top 21%)4742(Top 31%)4742(Top 90%)
25.2M25.20 mi0.35 mi3864-563625-463625-465970(Top 22%)4901(Top 32%)4901(Top 93%)
Finish26.22 mi1.02 mi4079-2153817-1923817-1927251(Top 27%)5706(Top 38%)5706(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3704

Males

3492

M18-39

3492

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4037

Males

3796

M18-39

3796

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3704

Males

3492

M18-39

3492

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3328

Males

3158

M18-39

3158

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3265

Males

3115

M18-39

3115

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3655

Males

3444

M18-39

3444

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3581

Males

3363

M18-39

3363

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3471

Males

3243

M18-39

3243

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4118

Males

3787

M18-39

3787

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4547

Males

4138

M18-39

4138

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4721

Males

4250

M18-39

4250

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3829

Males

3501

M18-39

3501

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5595

Males

4742

M18-39

4742

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5970

Males

4901

M18-39

4901

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7251

Males

5706

M18-39

5706

Passing Analysis

Category:
Athletes Passed
1452
Passed By
990
Net Change
+462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4541
5K → 10K37889+289#4541#4252
10K → 15K25640+216#4252#4036
15K → 20K25223+229#4036#3807
20K → Half474+43#3807#3764
Half → 25K9959+40#3764#3724
25K → 30K12769+58#3724#3666
30K → 20M8226+56#3666#3610
20M → 21M4959-10#3610#3620
21M → 35K2153-32#3620#3652
35K → 23M44108-64#3652#3716
23M → 24M4941+8#3716#3708
24M → 40K28128-100#3708#3808
40K → 25.2M1369-56#3808#3864
25.2M → Finish7222-215#3864#4079
TOTALS1452990+462
📊

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