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BOSTON MARATHON 2023

Corey Osborne

Bib: 9474•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M40-44)
#0 / 2241
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:03
Rank: #8949
Start → 5K
23:03 | 7:25/mi
10K· 6.21 mi
44:42
Rank: #7718 (+1231)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:05:52
Rank: #6876 (+842)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:26:41
Rank: #6190 (+686)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:31:14
Rank: #6106 (+84)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:47:26
Rank: #5686 (+420)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:08:33
Rank: #5140 (+546)
25K → 30K
21:07 | 6:48/mi
20M
2:17:48
Rank: #4910 (+230)
30K → 20M
9:15 | 6:48/mi
21M
2:25:04
Rank: #4792 (+118)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:30:17
Rank: #4792
21M → 35K
5:13 | 6:58/mi
23M
2:39:31
Rank: #4820 (-28)
35K → 23M
9:14 | 7:22/mi
24M
2:46:53
Rank: #4880 (-60)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:53:50
Rank: #5024 (-144)
24M → 40K
6:57 | 8:08/mi
25.2M
2:57:13
Rank: #5153 (-129)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:05:39
Rank: #5399 (-246)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:34:25
Pace7:12 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4923:037:2523:03
7:25
-
10K
6.21 mi11:36:2844:427:1221:39
6:58
-0:27
15K
9.32 mi11:57:381:05:527:0421:10
6:49
-0:09
20K
12.43 mi12:18:271:26:416:5920:49
6:42
-0:07
Half
13.11 mi12:23:001:31:146:584:33
6:40
-0:02
25K
15.53 mi12:39:121:47:266:5516:12
6:41
+0:01
30K
18.64 mi13:00:192:08:336:5421:07
6:48
+0:07
20M
20.00 mi13:09:342:17:486:539:15
6:48
0:00
21M
21.00 mi13:16:502:25:046:547:16
7:16
+0:28
35K
21.75 mi13:22:032:30:176:555:13
6:58
-0:18
23M
23.00 mi13:31:172:39:316:569:14
7:22
+0:24
24M
24.00 mi13:38:392:46:536:577:22
7:22
0:00
40K
24.85 mi13:45:362:53:507:006:57
8:08
+0:46
25.2M
25.20 mi13:48:592:57:137:023:23
9:49
+1:41
Finish
26.22 mi13:57:253:05:397:058:26
8:17
-1:32

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

6:40 /mi

Average Pace

7:05 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:50

77% of race

Time at Slower Pace

41:49

23% of race

Average Pace: 7:05 /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 mi11:14:4923:037:2523:03
7:25
#8949
10K
6.21 mi11:36:2844:427:1221:39
6:58
#7718
15K
9.32 mi11:57:381:05:527:0421:10
6:49
#6876
20K
12.43 mi12:18:271:26:416:5920:49
6:42
#6190
Half
13.11 mi12:23:001:31:146:584:33
6:40
#6106
25K
15.53 mi12:39:121:47:266:5516:12
6:41
#5686
30K
18.64 mi13:00:192:08:336:5421:07
6:48
#5140
20M
20.00 mi13:09:342:17:486:539:15
6:48
#4910
21M
21.00 mi13:16:502:25:046:547:16
7:16
#4792
35K
21.75 mi13:22:032:30:176:555:13
6:58
#4792
23M
23.00 mi13:31:172:39:316:569:14
7:22
#4820
24M
24.00 mi13:38:392:46:536:577:22
7:22
#4880
40K
24.85 mi13:45:362:53:507:006:57
8:08
#5024
25.2M
25.20 mi13:48:592:57:137:023:23
9:49
#5153
Finish
26.22 mi13:57:253:05:397:058:26
8:17
#5399
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8949755675565249(Top 20%)4853(Top 32%)4853(Top 217%)
10K6.21 mi3.10 mi7718+12316784+7726784+7726593(Top 25%)5925(Top 39%)5925(Top 264%)
15K9.32 mi3.11 mi6876+8426159+6256159+6255249(Top 20%)4853(Top 32%)4853(Top 217%)
20K12.43 mi3.11 mi6190+6865620+5395620+5393599(Top 14%)3406(Top 22%)3406(Top 152%)
Half13.11 mi0.68 mi6106+845560+605560+604099(Top 15%)3851(Top 25%)3851(Top 172%)
25K15.53 mi2.42 mi5686+4205230+3305230+3303250(Top 12%)3098(Top 20%)3098(Top 138%)
30K18.64 mi3.11 mi5140+5464760+4704760+4702976(Top 11%)2818(Top 19%)2818(Top 126%)
20M20.00 mi1.36 mi4910+2304558+2024558+2022886(Top 11%)2721(Top 18%)2721(Top 121%)
21M21.00 mi1.00 mi4792+1184453+1054453+1053467(Top 13%)3225(Top 21%)3225(Top 144%)
35K21.75 mi0.75 mi47924452+14452+15177(Top 19%)4628(Top 30%)4628(Top 207%)
23M23.00 mi1.25 mi4820-284473-214473-215699(Top 21%)4975(Top 33%)4975(Top 222%)
24M24.00 mi1.00 mi4880-604516-434516-436806(Top 26%)5595(Top 37%)5595(Top 250%)
40K24.85 mi0.85 mi5024-1444624-1084624-10810840(Top 41%)7747(Top 51%)7747(Top 346%)
25.2M25.20 mi0.35 mi5153-1294729-1054729-10516477(Top 62%)10289(Top 68%)10289(Top 459%)
Finish26.22 mi1.02 mi5399-2464922-1934922-19313897(Top 52%)9184(Top 61%)9184(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5249

Males

4853

M40-44

4853

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6593

Males

5925

M40-44

5925

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5249

Males

4853

M40-44

4853

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3599

Males

3406

M40-44

3406

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4099

Males

3851

M40-44

3851

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3250

Males

3098

M40-44

3098

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2976

Males

2818

M40-44

2818

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2886

Males

2721

M40-44

2721

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3467

Males

3225

M40-44

3225

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5177

Males

4628

M40-44

4628

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5699

Males

4975

M40-44

4975

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6806

Males

5595

M40-44

5595

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10840

Males

7747

M40-44

7747

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16477

Males

10289

M40-44

10289

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13897

Males

9184

M40-44

9184

Passing Analysis

Category:
Athletes Passed
4355
Passed By
805
Net Change
+3550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8949
5K → 10K124413+1231#8949#7718
10K → 15K8442+842#7718#6876
15K → 20K6860+686#6876#6190
20K → Half840+84#6190#6106
Half → 25K4200+420#6106#5686
25K → 30K5482+546#5686#5140
30K → 20M2333+230#5140#4910
20M → 21M13113+118#4910#4792
21M → 35K45450#4792#4792
35K → 23M6492-28#4792#4820
23M → 24M3191-60#4820#4880
24M → 40K13157-144#4880#5024
40K → 25.2M3132-129#5024#5153
25.2M → Finish9255-246#5153#5399
TOTALS4355805+3550
📊

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