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BOSTON MARATHON 2023

Corey Centofonti

Bib: 2083•M

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #5452
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
42:21
Rank: #5082 (+370)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:28
Rank: #5069 (+13)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:39
Rank: #4941 (+128)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:17
Rank: #4953 (-12)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:51
Rank: #4833 (+120)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:06:57
Rank: #4393 (+440)
25K → 30K
21:06 | 6:47/mi
20M
2:16:12
Rank: #4242 (+151)
30K → 20M
9:15 | 6:48/mi
21M
2:23:27
Rank: #4152 (+90)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:28:27
Rank: #4109 (+43)
21M → 35K
5:00 | 6:41/mi
23M
2:37:18
Rank: #4103 (+6)
35K → 23M
8:51 | 7:04/mi
24M
2:44:22
Rank: #4166 (-63)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:50:09
Rank: #4078 (+88)
24M → 40K
5:47 | 6:46/mi
25.2M
2:52:35
Rank: #4020 (+58)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:59:14
Rank: #3936 (+84)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1721:246:5321:24
6:53
-
10K
6.21 mi10:43:1442:216:4920:57
6:45
-0:08
15K
9.32 mi11:04:211:03:286:4921:07
6:48
+0:03
20K
12.43 mi11:25:321:24:396:4921:11
6:49
+0:01
Half
13.11 mi11:30:101:29:176:494:38
6:47
-0:02
25K
15.53 mi11:46:441:45:516:4916:34
6:50
+0:03
30K
18.64 mi12:07:502:06:576:4921:06
6:47
-0:03
20M
20.00 mi12:17:052:16:126:499:15
6:48
+0:01
21M
21.00 mi12:24:202:23:276:507:15
7:15
+0:27
35K
21.75 mi12:29:202:28:276:505:00
6:41
-0:34
23M
23.00 mi12:38:112:37:186:508:51
7:04
+0:23
24M
24.00 mi12:45:152:44:226:517:04
7:04
0:00
40K
24.85 mi12:51:022:50:096:515:47
6:46
-0:18
25.2M
25.20 mi12:53:282:52:356:512:26
7:03
+0:17
Finish
26.22 mi13:00:072:59:146:506:39
6:32
-0:31

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

6:32 /mi

Average Pace

6:50 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:59

96% of race

Time at Steady Pace

7:15

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:22:1721:246:5321:24
6:53
#5452
10K
6.21 mi10:43:1442:216:4920:57
6:45
#5082
15K
9.32 mi11:04:211:03:286:4921:07
6:48
#5069
20K
12.43 mi11:25:321:24:396:4921:11
6:49
#4941
Half
13.11 mi11:30:101:29:176:494:38
6:47
#4953
25K
15.53 mi11:46:441:45:516:4916:34
6:50
#4833
30K
18.64 mi12:07:502:06:576:4921:06
6:47
#4393
20M
20.00 mi12:17:052:16:126:499:15
6:48
#4242
21M
21.00 mi12:24:202:23:276:507:15
7:15
#4152
35K
21.75 mi12:29:202:28:276:505:00
6:41
#4109
23M
23.00 mi12:38:112:37:186:508:51
7:04
#4103
24M
24.00 mi12:45:152:44:226:517:04
7:04
#4166
40K
24.85 mi12:51:022:50:096:515:47
6:46
#4078
25.2M
25.20 mi12:53:282:52:356:512:26
7:03
#4020
Finish
26.22 mi13:00:072:59:146:506:39
6:32
#3936
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5452503550355066(Top 19%)4693(Top 31%)4693(Top 89%)
10K6.21 mi3.10 mi5082+3704709+3264709+3264751(Top 18%)4415(Top 29%)4415(Top 84%)
15K9.32 mi3.11 mi5069+134705+44705+45066(Top 19%)4693(Top 31%)4693(Top 89%)
20K12.43 mi3.11 mi4941+1284600+1054600+1054592(Top 17%)4277(Top 28%)4277(Top 81%)
Half13.11 mi0.68 mi4953-124608-84608-85119(Top 19%)4729(Top 31%)4729(Top 89%)
25K15.53 mi2.42 mi4833+1204495+1134495+1134417(Top 17%)4115(Top 27%)4115(Top 78%)
30K18.64 mi3.11 mi4393+4404105+3904105+3902935(Top 11%)2780(Top 18%)2780(Top 53%)
20M20.00 mi1.36 mi4242+1513978+1273978+1272881(Top 11%)2716(Top 18%)2716(Top 51%)
21M21.00 mi1.00 mi4152+903891+873891+873371(Top 13%)3141(Top 21%)3141(Top 59%)
35K21.75 mi0.75 mi4109+433849+423849+423478(Top 13%)3230(Top 21%)3230(Top 61%)
23M23.00 mi1.25 mi4103+63843+63843+64128(Top 16%)3784(Top 25%)3784(Top 72%)
24M24.00 mi1.00 mi4166-633901-583901-584987(Top 19%)4405(Top 29%)4405(Top 83%)
40K24.85 mi0.85 mi4078+883815+863815+862673(Top 10%)2472(Top 16%)2472(Top 47%)
25.2M25.20 mi0.35 mi4020+583763+523763+521978(Top 7%)1861(Top 12%)1861(Top 35%)
Finish26.22 mi1.02 mi3936+843687+763687+762623(Top 10%)2409(Top 16%)2409(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5066

Males

4693

M18-39

4693

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4751

Males

4415

M18-39

4415

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5066

Males

4693

M18-39

4693

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4592

Males

4277

M18-39

4277

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5119

Males

4729

M18-39

4729

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4417

Males

4115

M18-39

4115

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2935

Males

2780

M18-39

2780

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2881

Males

2716

M18-39

2716

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3371

Males

3141

M18-39

3141

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3478

Males

3230

M18-39

3230

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4128

Males

3784

M18-39

3784

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4987

Males

4405

M18-39

4405

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2673

Males

2472

M18-39

2472

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1978

Males

1861

M18-39

1861

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2623

Males

2409

M18-39

2409

Passing Analysis

Category:
Athletes Passed
2036
Passed By
520
Net Change
+1516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5452
5K → 10K43464+370#5452#5082
10K → 15K121108+13#5082#5069
15K → 20K17648+128#5069#4941
20K → Half1426-12#4941#4953
Half → 25K15939+120#4953#4833
25K → 30K4455+440#4833#4393
30K → 20M1598+151#4393#4242
20M → 21M11323+90#4242#4152
21M → 35K5815+43#4152#4109
35K → 23M6660+6#4109#4103
23M → 24M38101-63#4103#4166
24M → 40K979+88#4166#4078
40K → 25.2M602+58#4078#4020
25.2M → Finish9612+84#4020#3936
TOTALS2036520+1516
📊

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