Boston Marathon logo
BOSTON MARATHON 2024

Gustavo Zacaleski Velozo

Bib: 8206•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 21%
Gender (Male)
#0 / 14578
Top 32%
Masters (Masters Men)
#0 / 9729
Top 20%
Division (M40-44)
#0 / 2009
Top 46%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5966
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:33
Rank: #5781 (+185)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:04:07
Rank: #5787 (-6)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:25:46
Rank: #5537 (+250)
15K → 20K
21:39 | 6:58/mi
Half· 13.11 mi
1:30:13
Rank: #5403 (+134)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:47:15
Rank: #5125 (+278)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:11:05
Rank: #5195 (-70)
25K → 30K
23:50 | 7:40/mi
20M
2:22:11
Rank: #5300 (-105)
30K → 20M
11:06 | 8:10/mi
21M
2:31:03
Rank: #5362 (-62)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:36:47
Rank: #5309 (+53)
21M → 35K
5:44 | 7:40/mi
23M
2:47:01
Rank: #5289 (+20)
35K → 23M
10:14 | 8:10/mi
24M
2:55:24
Rank: #5364 (-75)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:02:45
Rank: #5431 (-67)
24M → 40K
7:21 | 8:36/mi
25.2M
3:05:56
Rank: #5440 (-9)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:13:59
Rank: #5449 (-9)
25.2M → Finish
8:03 | 7:54/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
Time1:30:13
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3921:156:5021:15
6:50
-
10K
6.21 mi11:07:5742:336:5121:18
6:51
+0:01
15K
9.32 mi11:29:311:04:076:5321:34
6:56
+0:05
20K
12.43 mi11:51:101:25:466:5421:39
6:58
+0:02
Half
13.11 mi11:55:371:30:136:534:27
6:31
-0:27
25K
15.53 mi12:12:391:47:156:5417:02
7:02
+0:31
30K
18.64 mi12:36:292:11:057:0223:50
7:40
+0:38
20M
20.00 mi12:47:352:22:117:0711:06
8:10
+0:30
21M
21.00 mi12:56:272:31:037:128:52
8:52
+0:42
35K
21.75 mi13:02:112:36:477:135:44
7:40
-1:12
23M
23.00 mi13:12:252:47:017:1610:14
8:10
+0:30
24M
24.00 mi13:20:482:55:247:198:23
8:23
+0:13
40K
24.85 mi13:28:093:02:457:217:21
8:36
+0:13
25.2M
25.20 mi13:31:203:05:567:233:11
9:14
+0:38
Finish
26.22 mi13:39:233:13:597:248:03
7:54
-1:20

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

6:31 /mi

Average Pace

7:24 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:15

55% of race

Time at Steady Pace

37:37

19% of race

Time at Slower Pace

49:07

25% of race

Average Pace: 7:24 /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 mi10:46:3921:156:5021:15
6:50
#5966
10K
6.21 mi11:07:5742:336:5121:18
6:51
#5781
15K
9.32 mi11:29:311:04:076:5321:34
6:56
#5787
20K
12.43 mi11:51:101:25:466:5421:39
6:58
#5537
Half
13.11 mi11:55:371:30:136:534:27
6:31
#5403
25K
15.53 mi12:12:391:47:156:5417:02
7:02
#5125
30K
18.64 mi12:36:292:11:057:0223:50
7:40
#5195
20M
20.00 mi12:47:352:22:117:0711:06
8:10
#5300
21M
21.00 mi12:56:272:31:037:128:52
8:52
#5362
35K
21.75 mi13:02:112:36:477:135:44
7:40
#5309
23M
23.00 mi13:12:252:47:017:1610:14
8:10
#5289
24M
24.00 mi13:20:482:55:247:198:23
8:23
#5364
40K
24.85 mi13:28:093:02:457:217:21
8:36
#5431
25.2M
25.20 mi13:31:203:05:567:233:11
9:14
#5440
Finish
26.22 mi13:39:233:13:597:248:03
7:54
#5449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5966542154215857(Top 23%)5280(Top 36%)5280(Top 263%)
10K6.21 mi3.10 mi5781+1855271+1505271+1505665(Top 22%)5165(Top 35%)5165(Top 257%)
15K9.32 mi3.11 mi5787-65265+65265+65857(Top 23%)5280(Top 36%)5280(Top 263%)
20K12.43 mi3.11 mi5537+2505046+2195046+2195054(Top 20%)4616(Top 32%)4616(Top 230%)
Half13.11 mi0.68 mi5403+1344944+1024944+1022765(Top 11%)2641(Top 18%)2641(Top 131%)
25K15.53 mi2.42 mi5125+2784692+2524692+2524473(Top 18%)4088(Top 28%)4088(Top 203%)
30K18.64 mi3.11 mi5195-704710-184710-185966(Top 23%)4991(Top 34%)4991(Top 248%)
20M20.00 mi1.36 mi5300-1054761-514761-517638(Top 30%)5793(Top 40%)5793(Top 288%)
21M21.00 mi1.00 mi5362-624776-154776-157888(Top 31%)5739(Top 39%)5739(Top 286%)
35K21.75 mi0.75 mi5309+534722+544722+545889(Top 23%)4614(Top 32%)4614(Top 230%)
23M23.00 mi1.25 mi5289+204668+544668+546633(Top 26%)4876(Top 33%)4876(Top 243%)
24M24.00 mi1.00 mi5364-754698-304698-308721(Top 34%)5875(Top 40%)5875(Top 292%)
40K24.85 mi0.85 mi5431-674715-174715-178814(Top 34%)5798(Top 40%)5798(Top 289%)
25.2M25.20 mi0.35 mi5440-94711+44711+47545(Top 30%)5069(Top 35%)5069(Top 252%)
Finish26.22 mi1.02 mi5449-94686+254686+257893(Top 31%)5348(Top 37%)5348(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5857

Males

5280

M40-44

5280

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5665

Males

5165

M40-44

5165

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5857

Males

5280

M40-44

5280

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5054

Males

4616

M40-44

4616

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2765

Males

2641

M40-44

2641

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4473

Males

4088

M40-44

4088

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5966

Males

4991

M40-44

4991

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7638

Males

5793

M40-44

5793

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

7888

Males

5739

M40-44

5739

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5889

Males

4614

M40-44

4614

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6633

Males

4876

M40-44

4876

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

8721

Males

5875

M40-44

5875

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8814

Males

5798

M40-44

5798

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7545

Males

5069

M40-44

5069

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7893

Males

5348

M40-44

5348

Passing Analysis

Category:
Athletes Passed
1880
Passed By
1363
Net Change
+517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5966
5K → 10K28499+185#5966#5781
10K → 15K138144-6#5781#5787
15K → 20K30656+250#5787#5537
20K → Half1340+134#5537#5403
Half → 25K31032+278#5403#5125
25K → 30K161231-70#5125#5195
30K → 20M64169-105#5195#5300
20M → 21M67129-62#5300#5362
21M → 35K8633+53#5362#5309
35K → 23M11797+20#5309#5289
23M → 24M53128-75#5289#5364
24M → 40K56123-67#5364#5431
40K → 25.2M3241-9#5431#5440
25.2M → Finish7281-9#5440#5449
TOTALS18801363+517
📊

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