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BOSTON MARATHON 2023

Jeffrey Corelli

Bib: 2283•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #1529
Start → 5K
19:39 | 6:19/mi
10K· 6.21 mi
39:04
Rank: #1516 (+13)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
58:31
Rank: #1487 (+29)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:18:08
Rank: #1457 (+30)
15K → 20K
19:37 | 6:19/mi
Half· 13.11 mi
1:22:29
Rank: #1491 (-34)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:37:52
Rank: #1479 (+12)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:57:44
Rank: #1395 (+84)
25K → 30K
19:52 | 6:24/mi
20M
2:06:35
Rank: #1400 (-5)
30K → 20M
8:51 | 6:31/mi
21M
2:13:28
Rank: #1401 (-1)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:18:17
Rank: #1415 (-14)
21M → 35K
4:49 | 6:26/mi
23M
2:26:47
Rank: #1457 (-42)
35K → 23M
8:30 | 6:47/mi
24M
2:33:40
Rank: #1521 (-64)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:39:53
Rank: #1602 (-81)
24M → 40K
6:13 | 7:16/mi
25.2M
2:42:32
Rank: #1630 (-28)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:49:40
Rank: #1716 (-86)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:29
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:27:11
Pace6:39 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2519:396:1919:39
6:19
-
10K
6.21 mi10:39:5039:046:1719:25
6:15
-0:04
15K
9.32 mi10:59:1758:316:1719:27
6:16
+0:01
20K
12.43 mi11:18:541:18:086:1719:37
6:19
+0:03
Half
13.11 mi11:23:151:22:296:184:21
6:23
+0:04
25K
15.53 mi11:38:381:37:526:1815:23
6:21
-0:02
30K
18.64 mi11:58:301:57:446:1919:52
6:24
+0:03
20M
20.00 mi12:07:212:06:356:208:51
6:31
+0:07
21M
21.00 mi12:14:142:13:286:216:53
6:53
+0:22
35K
21.75 mi12:19:032:18:176:224:49
6:26
-0:27
23M
23.00 mi12:27:332:26:476:238:30
6:47
+0:21
24M
24.00 mi12:34:262:33:406:246:53
6:53
+0:06
40K
24.85 mi12:40:392:39:536:266:13
7:16
+0:23
25.2M
25.20 mi12:43:182:42:326:272:39
7:41
+0:25
Finish
26.22 mi12:50:262:49:406:297:08
7:00
-0:41

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

6:15 /mi

Average Pace

6:29 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:11:24

77% of race

Time at Slower Pace

38:16

23% of race

Average Pace: 6:28 /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 mi10:20:2519:396:1919:39
6:19
#1529
10K
6.21 mi10:39:5039:046:1719:25
6:15
#1516
15K
9.32 mi10:59:1758:316:1719:27
6:16
#1487
20K
12.43 mi11:18:541:18:086:1719:37
6:19
#1457
Half
13.11 mi11:23:151:22:296:184:21
6:23
#1491
25K
15.53 mi11:38:381:37:526:1815:23
6:21
#1479
30K
18.64 mi11:58:301:57:446:1919:52
6:24
#1395
20M
20.00 mi12:07:212:06:356:208:51
6:31
#1400
21M
21.00 mi12:14:142:13:286:216:53
6:53
#1401
35K
21.75 mi12:19:032:18:176:224:49
6:26
#1415
23M
23.00 mi12:27:332:26:476:238:30
6:47
#1457
24M
24.00 mi12:34:262:33:406:246:53
6:53
#1521
40K
24.85 mi12:40:392:39:536:266:13
7:16
#1602
25.2M
25.20 mi12:43:182:42:326:272:39
7:41
#1630
Finish
26.22 mi12:50:262:49:406:297:08
7:00
#1716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1529145614561471(Top 6%)1404(Top 9%)1404(Top 27%)
10K6.21 mi3.10 mi1516+131446+101446+101554(Top 6%)1486(Top 10%)1486(Top 28%)
15K9.32 mi3.11 mi1487+291418+281418+281471(Top 6%)1404(Top 9%)1404(Top 27%)
20K12.43 mi3.11 mi1457+301390+281390+281450(Top 5%)1385(Top 9%)1385(Top 26%)
Half13.11 mi0.68 mi1491-341423-331423-332079(Top 8%)1995(Top 13%)1995(Top 38%)
25K15.53 mi2.42 mi1479+121413+101413+101505(Top 6%)1441(Top 9%)1441(Top 27%)
30K18.64 mi3.11 mi1395+841333+801333+801197(Top 4%)1141(Top 8%)1141(Top 22%)
20M20.00 mi1.36 mi1400-51338-51338-51486(Top 6%)1415(Top 9%)1415(Top 27%)
21M21.00 mi1.00 mi1401-1133813381698(Top 6%)1614(Top 11%)1614(Top 31%)
35K21.75 mi0.75 mi1415-141351-131351-132103(Top 8%)1996(Top 13%)1996(Top 38%)
23M23.00 mi1.25 mi1457-421391-401391-402559(Top 10%)2400(Top 16%)2400(Top 45%)
24M24.00 mi1.00 mi1521-641452-611452-614063(Top 15%)3694(Top 24%)3694(Top 70%)
40K24.85 mi0.85 mi1602-811531-791531-795215(Top 20%)4476(Top 29%)4476(Top 85%)
25.2M25.20 mi0.35 mi1630-281557-261557-264687(Top 18%)4040(Top 27%)4040(Top 76%)
Finish26.22 mi1.02 mi1716-861640-831640-835158(Top 19%)4366(Top 29%)4366(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1471

Males

1404

M18-39

1404

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1554

Males

1486

M18-39

1486

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1471

Males

1404

M18-39

1404

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1450

Males

1385

M18-39

1385

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2079

Males

1995

M18-39

1995

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1505

Males

1441

M18-39

1441

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1197

Males

1141

M18-39

1141

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1486

Males

1415

M18-39

1415

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1698

Males

1614

M18-39

1614

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2103

Males

1996

M18-39

1996

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2559

Males

2400

M18-39

2400

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4063

Males

3694

M18-39

3694

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5215

Males

4476

M18-39

4476

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4687

Males

4040

M18-39

4040

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5158

Males

4366

M18-39

4366

Passing Analysis

Category:
Athletes Passed
446
Passed By
633
Net Change
-187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1529
5K → 10K8269+13#1529#1516
10K → 15K6334+29#1516#1487
15K → 20K6434+30#1487#1457
20K → Half135-34#1457#1491
Half → 25K4533+12#1491#1479
25K → 30K10117+84#1479#1395
30K → 20M1823-5#1395#1400
20M → 21M2021-1#1400#1401
21M → 35K1024-14#1401#1415
35K → 23M1456-42#1415#1457
23M → 24M872-64#1457#1521
24M → 40K889-81#1521#1602
40K → 25.2M230-28#1602#1630
25.2M → Finish1096-86#1630#1716
TOTALS446633-187
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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