Boston Marathon logo
BOSTON MARATHON 2024

Joseph Mazzei

Bib: 6772•M

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #6710
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
43:26
Rank: #6773 (-63)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:05:15
Rank: #6614 (+159)
10K → 15K
21:49 | 7:01/mi
20K· 12.43 mi
1:28:01
Rank: #6681 (-67)
15K → 20K
22:46 | 7:20/mi
Half· 13.11 mi
1:32:48
Rank: #6621 (+60)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:50:45
Rank: #6518 (+103)
Half → 25K
17:57 | 7:24/mi
30K· 18.64 mi
2:15:16
Rank: #6516 (+2)
25K → 30K
24:31 | 7:53/mi
20M
2:25:51
Rank: #6362 (+154)
30K → 20M
10:35 | 7:47/mi
21M
2:34:10
Rank: #6215 (+147)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:40:12
Rank: #6231 (-16)
21M → 35K
6:02 | 8:04/mi
23M
2:50:33
Rank: #6176 (+55)
35K → 23M
10:21 | 8:16/mi
24M
2:58:59
Rank: #6221 (-45)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:06:18
Rank: #6255 (-34)
24M → 40K
7:19 | 8:33/mi
25.2M
3:09:32
Rank: #6268 (-13)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:18:02
Rank: #6401 (-133)
25.2M → Finish
8:30 | 8:20/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:48
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:45:14
Pace8:02 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5721:356:5721:35
6:57
-
10K
6.21 mi10:49:4843:266:5921:51
7:02
+0:05
15K
9.32 mi11:11:371:05:157:0021:49
7:01
-0:01
20K
12.43 mi11:34:231:28:017:0522:46
7:20
+0:19
Half
13.11 mi11:39:101:32:487:054:47
7:01
-0:19
25K
15.53 mi11:57:071:50:457:0817:57
7:24
+0:23
30K
18.64 mi12:21:382:15:167:1524:31
7:53
+0:29
20M
20.00 mi12:32:132:25:517:1810:35
7:47
-0:06
21M
21.00 mi12:40:322:34:107:208:19
8:19
+0:32
35K
21.75 mi12:46:342:40:127:226:02
8:04
-0:15
23M
23.00 mi12:56:552:50:337:2510:21
8:16
+0:12
24M
24.00 mi13:05:212:58:597:278:26
8:26
+0:10
40K
24.85 mi13:12:403:06:187:307:19
8:33
+0:07
25.2M
25.20 mi13:15:543:09:327:313:14
9:23
+0:50
Finish
26.22 mi13:24:243:18:027:348:30
8:20
-1:03

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

6:57 /mi

Average Pace

7:34 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:45

56% of race

Time at Steady Pace

41:08

21% of race

Time at Slower Pace

46:09

23% of race

Average Pace: 7:33 /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 mi10:27:5721:356:5721:35
6:57
#6710
10K
6.21 mi10:49:4843:266:5921:51
7:02
#6773
15K
9.32 mi11:11:371:05:157:0021:49
7:01
#6614
20K
12.43 mi11:34:231:28:017:0522:46
7:20
#6681
Half
13.11 mi11:39:101:32:487:054:47
7:01
#6621
25K
15.53 mi11:57:071:50:457:0817:57
7:24
#6518
30K
18.64 mi12:21:382:15:167:1524:31
7:53
#6516
20M
20.00 mi12:32:132:25:517:1810:35
7:47
#6362
21M
21.00 mi12:40:322:34:107:208:19
8:19
#6215
35K
21.75 mi12:46:342:40:127:226:02
8:04
#6231
23M
23.00 mi12:56:552:50:337:2510:21
8:16
#6176
24M
24.00 mi13:05:212:58:597:278:26
8:26
#6221
40K
24.85 mi13:12:403:06:187:307:19
8:33
#6255
25.2M
25.20 mi13:15:543:09:327:313:14
9:23
#6268
Finish
26.22 mi13:24:243:18:027:348:30
8:20
#6401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6710595959596345(Top 25%)5631(Top 39%)5631(Top 116%)
10K6.21 mi3.10 mi6773-635987-285987-286857(Top 27%)6016(Top 41%)6016(Top 124%)
15K9.32 mi3.11 mi6614+1595853+1345853+1346345(Top 25%)5631(Top 39%)5631(Top 116%)
20K12.43 mi3.11 mi6681-675885-325885-327164(Top 28%)6087(Top 42%)6087(Top 126%)
Half13.11 mi0.68 mi6621+605838+475838+475818(Top 23%)5203(Top 36%)5203(Top 107%)
25K15.53 mi2.42 mi6518+1035726+1125726+1126422(Top 25%)5463(Top 37%)5463(Top 113%)
30K18.64 mi3.11 mi6516+25671+555671+557219(Top 28%)5751(Top 39%)5751(Top 119%)
20M20.00 mi1.36 mi6362+1545521+1505521+1505643(Top 22%)4640(Top 32%)4640(Top 96%)
21M21.00 mi1.00 mi6215+1475382+1395382+1395387(Top 21%)4347(Top 30%)4347(Top 90%)
35K21.75 mi0.75 mi6231-165368+145368+148138(Top 32%)5820(Top 40%)5820(Top 120%)
23M23.00 mi1.25 mi6176+555276+925276+927125(Top 28%)5141(Top 35%)5141(Top 106%)
24M24.00 mi1.00 mi6221-455285-95285-99012(Top 35%)6030(Top 41%)6030(Top 124%)
40K24.85 mi0.85 mi6255-345271+145271+148629(Top 34%)5715(Top 39%)5715(Top 118%)
25.2M25.20 mi0.35 mi6268-135263+85263+88171(Top 32%)5400(Top 37%)5400(Top 111%)
Finish26.22 mi1.02 mi6401-1335310-475310-4710563(Top 41%)6756(Top 46%)6756(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6345

Males

5631

M18-39

5631

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6857

Males

6016

M18-39

6016

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6345

Males

5631

M18-39

5631

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7164

Males

6087

M18-39

6087

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

5818

Males

5203

M18-39

5203

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6422

Males

5463

M18-39

5463

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7219

Males

5751

M18-39

5751

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5643

Males

4640

M18-39

4640

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5387

Males

4347

M18-39

4347

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8138

Males

5820

M18-39

5820

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7125

Males

5141

M18-39

5141

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9012

Males

6030

M18-39

6030

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8629

Males

5715

M18-39

5715

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8171

Males

5400

M18-39

5400

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10563

Males

6756

M18-39

6756

Passing Analysis

Category:
Athletes Passed
1808
Passed By
1499
Net Change
+309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6710
5K → 10K178241-63#6710#6773
10K → 15K23475+159#6773#6614
15K → 20K143210-67#6614#6681
20K → Half644+60#6681#6621
Half → 25K19794+103#6621#6518
25K → 30K221219+2#6518#6516
30K → 20M19339+154#6516#6362
20M → 21M18134+147#6362#6215
21M → 35K6480-16#6215#6231
35K → 23M14186+55#6231#6176
23M → 24M58103-45#6176#6221
24M → 40K69103-34#6221#6255
40K → 25.2M2639-13#6255#6268
25.2M → Finish39172-133#6268#6401
TOTALS18081499+309
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing