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BOSTON MARATHON 2024

Bruno Lazaretti

Bib: 1929•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 6%
Gender (Male)
#0 / 14578
Top 9%
Division (M18-39)
#0 / 4849
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #1237
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
38:14
Rank: #1376 (-139)
5K → 10K
19:17 | 6:12/mi
15K· 9.32 mi
57:36
Rank: #1399 (-23)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:23
Rank: #1423 (-24)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:21:43
Rank: #1441 (-18)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:38:13
Rank: #1623 (-182)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
1:59:25
Rank: #1663 (-40)
25K → 30K
21:12 | 6:49/mi
20M
2:08:43
Rank: #1624 (+39)
30K → 20M
9:18 | 6:51/mi
21M
2:15:46
Rank: #1543 (+81)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:20:49
Rank: #1528 (+15)
21M → 35K
5:03 | 6:45/mi
23M
2:29:27
Rank: #1495 (+33)
35K → 23M
8:38 | 6:54/mi
24M
2:36:15
Rank: #1479 (+16)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:42:07
Rank: #1454 (+25)
24M → 40K
5:52 | 6:52/mi
25.2M
2:44:40
Rank: #1442 (+12)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:51:17
Rank: #1406 (+36)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:43
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:29:34
Pace6:50 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4718:576:0618:57
6:06
-
10K
6.21 mi10:39:0438:146:0919:17
6:12
+0:06
15K
9.32 mi10:58:2657:366:1119:22
6:14
+0:02
20K
12.43 mi11:18:131:17:236:1419:47
6:22
+0:08
Half
13.11 mi11:22:331:21:436:144:20
6:21
-0:01
25K
15.53 mi11:39:031:38:136:1916:30
6:48
+0:27
30K
18.64 mi12:00:151:59:256:2421:12
6:49
+0:01
20M
20.00 mi12:09:332:08:436:269:18
6:51
+0:02
21M
21.00 mi12:16:362:15:466:287:03
7:03
+0:12
35K
21.75 mi12:21:392:20:496:285:03
6:45
-0:18
23M
23.00 mi12:30:172:29:276:308:38
6:54
+0:09
24M
24.00 mi12:37:052:36:156:316:48
6:48
-0:06
40K
24.85 mi12:42:572:42:076:315:52
6:52
+0:04
25.2M
25.20 mi12:45:302:44:406:322:33
7:24
+0:32
Finish
26.22 mi12:52:072:51:176:326:37
6:30
-0:54

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

6:06 /mi

Average Pace

6:32 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:20

52% of race

Time at Steady Pace

1:13:21

43% of race

Time at Slower Pace

9:36

6% of race

Average Pace: 6:32 /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 mi10:19:4718:576:0618:57
6:06
#1237
10K
6.21 mi10:39:0438:146:0919:17
6:12
#1376
15K
9.32 mi10:58:2657:366:1119:22
6:14
#1399
20K
12.43 mi11:18:131:17:236:1419:47
6:22
#1423
Half
13.11 mi11:22:331:21:436:144:20
6:21
#1441
25K
15.53 mi11:39:031:38:136:1916:30
6:48
#1623
30K
18.64 mi12:00:151:59:256:2421:12
6:49
#1663
20M
20.00 mi12:09:332:08:436:269:18
6:51
#1624
21M
21.00 mi12:16:362:15:466:287:03
7:03
#1543
35K
21.75 mi12:21:392:20:496:285:03
6:45
#1528
23M
23.00 mi12:30:172:29:276:308:38
6:54
#1495
24M
24.00 mi12:37:052:36:156:316:48
6:48
#1479
40K
24.85 mi12:42:572:42:076:315:52
6:52
#1454
25.2M
25.20 mi12:45:302:44:406:322:33
7:24
#1442
Finish
26.22 mi12:52:072:51:176:326:37
6:30
#1406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1237119611961492(Top 6%)1443(Top 10%)1443(Top 30%)
10K6.21 mi3.10 mi1376-1391333-1371333-1371527(Top 6%)1480(Top 10%)1480(Top 31%)
15K9.32 mi3.11 mi1399-231357-241357-241492(Top 6%)1443(Top 10%)1443(Top 30%)
20K12.43 mi3.11 mi1423-241377-201377-201611(Top 6%)1555(Top 11%)1555(Top 32%)
Half13.11 mi0.68 mi1441-181395-181395-181848(Top 7%)1785(Top 12%)1785(Top 37%)
25K15.53 mi2.42 mi1623-1821571-1761571-1763201(Top 13%)3002(Top 21%)3002(Top 62%)
30K18.64 mi3.11 mi1663-401610-391610-392019(Top 8%)1911(Top 13%)1911(Top 39%)
20M20.00 mi1.36 mi1624+391568+421568+421726(Top 7%)1627(Top 11%)1627(Top 34%)
21M21.00 mi1.00 mi1543+811487+811487+811199(Top 5%)1134(Top 8%)1134(Top 23%)
35K21.75 mi0.75 mi1528+151470+171470+172060(Top 8%)1899(Top 13%)1899(Top 39%)
23M23.00 mi1.25 mi1495+331435+351435+351585(Top 6%)1475(Top 10%)1475(Top 30%)
24M24.00 mi1.00 mi1479+161417+181417+181670(Top 7%)1530(Top 10%)1530(Top 32%)
40K24.85 mi0.85 mi1454+251392+251392+251464(Top 6%)1343(Top 9%)1343(Top 28%)
25.2M25.20 mi0.35 mi1442+121381+111381+111198(Top 5%)1096(Top 8%)1096(Top 23%)
Finish26.22 mi1.02 mi1406+361344+371344+371366(Top 5%)1241(Top 9%)1241(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1492

Males

1443

M18-39

1443

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1527

Males

1480

M18-39

1480

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1492

Males

1443

M18-39

1443

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1611

Males

1555

M18-39

1555

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1848

Males

1785

M18-39

1785

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3201

Males

3002

M18-39

3002

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2019

Males

1911

M18-39

1911

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1726

Males

1627

M18-39

1627

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1199

Males

1134

M18-39

1134

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2060

Males

1899

M18-39

1899

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1585

Males

1475

M18-39

1475

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1670

Males

1530

M18-39

1530

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1464

Males

1343

M18-39

1343

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1198

Males

1096

M18-39

1096

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1366

Males

1241

M18-39

1241

Passing Analysis

Category:
Athletes Passed
617
Passed By
786
Net Change
-169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1237
5K → 10K25164-139#1237#1376
10K → 15K4972-23#1376#1399
15K → 20K5074-24#1399#1423
20K → Half725-18#1423#1441
Half → 25K21203-182#1441#1623
25K → 30K73113-40#1623#1663
30K → 20M6021+39#1663#1624
20M → 21M9413+81#1624#1543
21M → 35K3520+15#1543#1528
35K → 23M5623+33#1528#1495
23M → 24M4125+16#1495#1479
24M → 40K4116+25#1479#1454
40K → 25.2M164+12#1454#1442
25.2M → Finish4913+36#1442#1406
TOTALS617786-169
📊

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