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BOSTON MARATHON 2023

Luke Mazzu

Bib: 479•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:27
Rank: #1289
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
39:03
Rank: #1503 (-214)
5K → 10K
19:36 | 6:19/mi
15K· 9.32 mi
58:31
Rank: #1481 (+22)
10K → 15K
19:28 | 6:16/mi
20K· 12.43 mi
1:17:52
Rank: #1362 (+119)
15K → 20K
19:21 | 6:14/mi
Half· 13.11 mi
1:22:04
Rank: #1343 (+19)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:58
Rank: #1261 (+82)
Half → 25K
14:54 | 6:09/mi
30K· 18.64 mi
1:56:22
Rank: #1146 (+115)
25K → 30K
19:24 | 6:15/mi
20M
2:04:57
Rank: #1106 (+40)
30K → 20M
8:35 | 6:19/mi
21M
2:11:33
Rank: #1075 (+31)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:16:07
Rank: #1060 (+15)
21M → 35K
4:34 | 6:06/mi
23M
2:23:48
Rank: #1004 (+56)
35K → 23M
7:41 | 6:08/mi
24M
2:29:37
Rank: #949 (+55)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:34:42
Rank: #907 (+42)
24M → 40K
5:05 | 5:57/mi
25.2M
2:36:49
Rank: #878 (+29)
40K → 25.2M
2:07 | 6:08/mi
Finish· 26.22 mi
2:42:28
Rank: #806 (+72)
25.2M → Finish
5:39 | 5:33/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:22:04
Pace6:16 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:24
Pace6:08 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3519:276:1619:27
6:16
-
10K
6.21 mi10:39:1139:036:1719:36
6:19
+0:03
15K
9.32 mi10:58:3958:316:1719:28
6:16
-0:03
20K
12.43 mi11:18:001:17:526:1619:21
6:14
-0:02
Half
13.11 mi11:22:121:22:046:164:12
6:09
-0:05
25K
15.53 mi11:37:061:36:586:1514:54
6:09
0:00
30K
18.64 mi11:56:301:56:226:1519:24
6:15
+0:06
20M
20.00 mi12:05:052:04:576:158:35
6:19
+0:04
21M
21.00 mi12:11:412:11:336:166:36
6:36
+0:17
35K
21.75 mi12:16:152:16:076:164:34
6:06
-0:30
23M
23.00 mi12:23:562:23:486:157:41
6:08
+0:02
24M
24.00 mi12:29:452:29:376:145:49
5:49
-0:19
40K
24.85 mi12:34:502:34:426:135:05
5:57
+0:08
25.2M
25.20 mi12:36:572:36:496:132:07
6:08
+0:11
Finish
26.22 mi12:42:362:42:286:125:39
5:33
-0:35

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

5:33 /mi

Average Pace

6:12 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:07

13% of race

Time at Steady Pace

2:14:45

83% of race

Time at Slower Pace

6:36

4% of race

Average Pace: 6:12 /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 mi10:19:3519:276:1619:27
6:16
#1289
10K
6.21 mi10:39:1139:036:1719:36
6:19
#1503
15K
9.32 mi10:58:3958:316:1719:28
6:16
#1481
20K
12.43 mi11:18:001:17:526:1619:21
6:14
#1362
Half
13.11 mi11:22:121:22:046:164:12
6:09
#1343
25K
15.53 mi11:37:061:36:586:1514:54
6:09
#1261
30K
18.64 mi11:56:301:56:226:1519:24
6:15
#1146
20M
20.00 mi12:05:052:04:576:158:35
6:19
#1106
21M
21.00 mi12:11:412:11:336:166:36
6:36
#1075
35K
21.75 mi12:16:152:16:076:164:34
6:06
#1060
23M
23.00 mi12:23:562:23:486:157:41
6:08
#1004
24M
24.00 mi12:29:452:29:376:145:49
5:49
#949
40K
24.85 mi12:34:502:34:426:135:05
5:57
#907
25.2M
25.20 mi12:36:572:36:496:132:07
6:08
#878
Finish
26.22 mi12:42:362:42:286:125:39
5:33
#806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1289122312231481(Top 6%)1413(Top 9%)1413(Top 27%)
10K6.21 mi3.10 mi1503-2141433-2101433-2101799(Top 7%)1720(Top 11%)1720(Top 33%)
15K9.32 mi3.11 mi1481+221412+211412+211481(Top 6%)1413(Top 9%)1413(Top 27%)
20K12.43 mi3.11 mi1362+1191296+1161296+1161124(Top 4%)1072(Top 7%)1072(Top 20%)
Half13.11 mi0.68 mi1343+191279+171279+171157(Top 4%)1106(Top 7%)1106(Top 21%)
25K15.53 mi2.42 mi1261+821205+741205+74852(Top 3%)807(Top 5%)807(Top 15%)
30K18.64 mi3.11 mi1146+1151093+1121093+112776(Top 3%)737(Top 5%)737(Top 14%)
20M20.00 mi1.36 mi1106+401054+391054+39902(Top 3%)861(Top 6%)861(Top 16%)
21M21.00 mi1.00 mi1075+311023+311023+31868(Top 3%)822(Top 5%)822(Top 16%)
35K21.75 mi0.75 mi1060+151009+141009+14923(Top 3%)875(Top 6%)875(Top 17%)
23M23.00 mi1.25 mi1004+56955+54955+54520(Top 2%)489(Top 3%)489(Top 9%)
24M24.00 mi1.00 mi949+55902+53902+53286(Top 1%)262(Top 2%)262(Top 5%)
40K24.85 mi0.85 mi907+42860+42860+42281(Top 1%)258(Top 2%)258(Top 5%)
25.2M25.20 mi0.35 mi878+29832+28832+28139(Top 0.5%)124(Top 0.8%)124(Top 2%)
Finish26.22 mi1.02 mi806+72762+70762+70119(Top 0.4%)106(Top 0.7%)106(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1481

Males

1413

M18-39

1413

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1799

Males

1720

M18-39

1720

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1481

Males

1413

M18-39

1413

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1124

Males

1072

M18-39

1072

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1157

Males

1106

M18-39

1106

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

852

Males

807

M18-39

807

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

776

Males

737

M18-39

737

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

902

Males

861

M18-39

861

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

868

Males

822

M18-39

822

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

923

Males

875

M18-39

875

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

520

Males

489

M18-39

489

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

286

Males

262

M18-39

262

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

281

Males

258

M18-39

258

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

139

Males

124

M18-39

124

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

119

Males

106

M18-39

106

Passing Analysis

Category:
Athletes Passed
780
Passed By
297
Net Change
+483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1289
5K → 10K17231-214#1289#1503
10K → 15K6139+22#1503#1481
15K → 20K1245+119#1481#1362
20K → Half223+19#1362#1343
Half → 25K842+82#1343#1261
25K → 30K1183+115#1261#1146
30K → 20M433+40#1146#1106
20M → 21M398+31#1106#1075
21M → 35K172+15#1075#1060
35K → 23M560+56#1060#1004
23M → 24M550+55#1004#949
24M → 40K431+42#949#907
40K → 25.2M290+29#907#878
25.2M → Finish720+72#878#806
TOTALS780297+483
📊

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