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BOSTON MARATHON 2025

Gustavo Zacaleski Velozo

Bib: 8699•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M40-44)
#0 / 2247
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:14
Rank: #6582
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:10
Rank: #6154 (+428)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:03:16
Rank: #6068 (+86)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:32
Rank: #5960 (+108)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:01
Rank: #5866 (+94)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:45:57
Rank: #5896 (-30)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:08:27
Rank: #5897 (-1)
25K → 30K
22:30 | 7:15/mi
20M
2:18:21
Rank: #5851 (+46)
30K → 20M
9:54 | 7:17/mi
21M
2:26:15
Rank: #5834 (+17)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:31:25
Rank: #5780 (+54)
21M → 35K
5:10 | 6:54/mi
23M
2:40:45
Rank: #5734 (+46)
35K → 23M
9:20 | 7:27/mi
24M
2:48:20
Rank: #5772 (-38)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
2:55:03
Rank: #5844 (-72)
24M → 40K
6:43 | 7:51/mi
25.2M
2:58:04
Rank: #5874 (-30)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:05:31
Rank: #5866 (+8)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:30
Pace7:22 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4421:146:5021:14
6:50
-
10K
6.21 mi11:07:4042:106:4720:56
6:44
-0:06
15K
9.32 mi11:28:461:03:166:4721:06
6:47
+0:03
20K
12.43 mi11:50:021:24:326:4821:16
6:51
+0:04
Half
13.11 mi11:54:311:29:016:474:29
6:34
-0:17
25K
15.53 mi12:11:271:45:576:4916:56
6:59
+0:25
30K
18.64 mi12:33:572:08:276:5322:30
7:15
+0:16
20M
20.00 mi12:43:512:18:216:559:54
7:17
+0:02
21M
21.00 mi12:51:452:26:156:587:54
7:54
+0:37
35K
21.75 mi12:56:552:31:256:585:10
6:54
-1:00
23M
23.00 mi13:06:152:40:456:599:20
7:27
+0:33
24M
24.00 mi13:13:502:48:207:017:35
7:35
+0:08
40K
24.85 mi13:20:332:55:037:036:43
7:51
+0:16
25.2M
25.20 mi13:23:342:58:047:043:01
8:45
+0:54
Finish
26.22 mi13:31:013:05:317:057:27
7:19
-1:26

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

6:34 /mi

Average Pace

7:05 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:11

51% of race

Time at Steady Pace

1:06:07

36% of race

Time at Slower Pace

25:13

14% of race

Average Pace: 7:05 /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 mi10:46:4421:146:5021:14
6:50
#6582
10K
6.21 mi11:07:4042:106:4720:56
6:44
#6154
15K
9.32 mi11:28:461:03:166:4721:06
6:47
#6068
20K
12.43 mi11:50:021:24:326:4821:16
6:51
#5960
Half
13.11 mi11:54:311:29:016:474:29
6:34
#5866
25K
15.53 mi12:11:271:45:576:4916:56
6:59
#5896
30K
18.64 mi12:33:572:08:276:5322:30
7:15
#5897
20M
20.00 mi12:43:512:18:216:559:54
7:17
#5851
21M
21.00 mi12:51:452:26:156:587:54
7:54
#5834
35K
21.75 mi12:56:552:31:256:585:10
6:54
#5780
23M
23.00 mi13:06:152:40:456:599:20
7:27
#5734
24M
24.00 mi13:13:502:48:207:017:35
7:35
#5772
40K
24.85 mi13:20:332:55:037:036:43
7:51
#5844
25.2M
25.20 mi13:23:342:58:047:043:01
8:45
#5874
Finish
26.22 mi13:31:013:05:317:057:27
7:19
#5866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6582598259825993(Top 21%)5447(Top 34%)5447(Top 242%)
10K6.21 mi3.10 mi6154+4285637+3455637+3455691(Top 20%)5220(Top 32%)5220(Top 232%)
15K9.32 mi3.11 mi6068+865556+815556+815993(Top 21%)5447(Top 34%)5447(Top 242%)
20K12.43 mi3.11 mi5960+1085452+1045452+1045733(Top 20%)5223(Top 32%)5223(Top 232%)
Half13.11 mi0.68 mi5866+945377+755377+754168(Top 15%)3907(Top 24%)3907(Top 174%)
25K15.53 mi2.42 mi5896-305374+35374+36204(Top 22%)5544(Top 34%)5544(Top 247%)
30K18.64 mi3.11 mi5897-15361+135361+136118(Top 22%)5394(Top 33%)5394(Top 240%)
20M20.00 mi1.36 mi5851+465307+545307+545666(Top 20%)4946(Top 31%)4946(Top 220%)
21M21.00 mi1.00 mi5834+175281+265281+266755(Top 24%)5526(Top 34%)5526(Top 246%)
35K21.75 mi0.75 mi5780+545229+525229+524751(Top 17%)4194(Top 26%)4194(Top 187%)
23M23.00 mi1.25 mi5734+465176+535176+536355(Top 22%)5186(Top 32%)5186(Top 231%)
24M24.00 mi1.00 mi5772-385188-125188-128245(Top 29%)6235(Top 39%)6235(Top 277%)
40K24.85 mi0.85 mi5844-725228-405228-409115(Top 32%)6562(Top 41%)6562(Top 292%)
25.2M25.20 mi0.35 mi5874-305247-195247-1910178(Top 36%)7002(Top 43%)7002(Top 312%)
Finish26.22 mi1.02 mi5866+85219+285219+287810(Top 27%)5788(Top 36%)5788(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5993

Males

5447

M40-44

5447

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5691

Males

5220

M40-44

5220

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5993

Males

5447

M40-44

5447

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5733

Males

5223

M40-44

5223

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4168

Males

3907

M40-44

3907

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6204

Males

5544

M40-44

5544

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6118

Males

5394

M40-44

5394

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5666

Males

4946

M40-44

4946

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6755

Males

5526

M40-44

5526

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4751

Males

4194

M40-44

4194

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6355

Males

5186

M40-44

5186

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8245

Males

6235

M40-44

6235

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9115

Males

6562

M40-44

6562

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10178

Males

7002

M40-44

7002

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7810

Males

5788

M40-44

5788

Passing Analysis

Category:
Athletes Passed
1750
Passed By
1034
Net Change
+716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6582
5K → 10K47850+428#6582#6154
10K → 15K17791+86#6154#6068
15K → 20K19284+108#6068#5960
20K → Half973+94#5960#5866
Half → 25K126156-30#5866#5896
25K → 30K186187-1#5896#5897
30K → 20M9145+46#5897#5851
20M → 21M7962+17#5851#5834
21M → 35K6612+54#5834#5780
35K → 23M9751+46#5780#5734
23M → 24M4886-38#5734#5772
24M → 40K29101-72#5772#5844
40K → 25.2M2353-30#5844#5874
25.2M → Finish6153+8#5874#5866
TOTALS17501034+716
📊

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