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BOSTON MARATHON 2025

Pedro Zaccarelli

Bib: 1446•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:09/mi
19:05
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:53
↑ 79↓ 1380.4%
15K· 9.32 mi
6:07/mi
56:52
↑ 67↓ 78
20K· 12.43 mi
6:05/mi
1:15:47
↑ 106↓ 860.1%
Half· 13.11 mi
6:01/mi
1:19:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:04/mi
1:34:35
↑ 66↓ 880.2%
30K· 18.64 mi
6:11/mi
1:53:49
↑ 181↓ 1480.2%
20M
6:15/mi
2:02:19
↑ 64↓ 500.2%
21M
6:37/mi
2:08:56
↑ 106↓ 241.6%
35K· 21.75 mi
6:06/mi
2:13:30
↑ 17↓ 861.7%
23M
6:19/mi
2:21:25
↑ 23↓ 630.6%
24M
6:11/mi
2:27:36
↓ 821.3%
40K· 24.85 mi
6:19/mi
2:33:00
↓ 200.3%
25.2M
6:55/mi
2:35:23
↑ 13↓ 160.2%
Finish· 26.22 mi
6:22/mi
2:41:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:53
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:21:59
Pace6:15 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4719:056:0919:05
6:09
-
10K
6.21 mi10:38:3537:536:0618:48
6:03
-0:06
15K
9.32 mi10:57:3456:526:0618:59
6:07
+0:04
20K
12.43 mi11:16:291:15:476:0618:55
6:05
-0:02
Half
13.11 mi11:20:351:19:536:064:06
6:01
-0:04
25K
15.53 mi11:35:171:34:356:0514:42
6:04
+0:03
30K
18.64 mi11:54:311:53:496:0619:14
6:11
+0:07
20M
20.00 mi12:03:012:02:196:078:30
6:15
+0:04
21M
21.00 mi12:09:382:08:566:086:37
6:37
+0:22
35K
21.75 mi12:14:122:13:306:084:34
6:06
-0:31
23M
23.00 mi12:22:072:21:256:097:55
6:19
+0:13
24M
24.00 mi12:28:182:27:366:096:11
6:11
-0:08
40K
24.85 mi12:33:422:33:006:095:24
6:19
+0:08
25.2M
25.20 mi12:36:052:35:236:102:23
6:55
+0:36
Finish
26.22 mi12:42:342:41:526:116:29
6:22
-0:33

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

6:01 /mi

Average Pace

6:11 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:29

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /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 mi10:19:4719:056:0919:05
6:09
#1569
10K
6.21 mi10:38:3537:536:0618:48
6:03
#1413
15K
9.32 mi10:57:3456:526:0618:59
6:07
#1399
20K
12.43 mi11:16:291:15:476:0618:55
6:05
#1313
Half
13.11 mi11:20:351:19:536:064:06
6:01
#1308
25K
15.53 mi11:35:171:34:356:0514:42
6:04
#1234
30K
18.64 mi11:54:311:53:496:0619:14
6:11
#1140
20M
20.00 mi12:03:012:02:196:078:30
6:15
#1088
21M
21.00 mi12:09:382:08:566:086:37
6:37
#1065
35K
21.75 mi12:14:122:13:306:084:34
6:06
#1044
23M
23.00 mi12:22:072:21:256:097:55
6:19
#1007
24M
24.00 mi12:28:182:27:366:096:11
6:11
#990
40K
24.85 mi12:33:422:33:006:095:24
6:19
#974
25.2M
25.20 mi12:36:052:35:236:102:23
6:55
#973
Finish
26.22 mi12:42:342:41:526:116:29
6:22
#991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1569149414941424(Top 5%)1355(Top 8%)1355(Top 24%)
10K6.21 mi3.10 mi1413+1561344+1501344+1501277(Top 4%)1212(Top 8%)1212(Top 21%)
15K9.32 mi3.11 mi1399+141328+161328+161424(Top 5%)1355(Top 8%)1355(Top 24%)
20K12.43 mi3.11 mi1313+861244+841244+841134(Top 4%)1070(Top 7%)1070(Top 19%)
Half13.11 mi0.68 mi1308+51239+51239+51160(Top 4%)1097(Top 7%)1097(Top 19%)
25K15.53 mi2.42 mi1234+741168+711168+71973(Top 3%)917(Top 6%)917(Top 16%)
30K18.64 mi3.11 mi1140+941076+921076+92891(Top 3%)835(Top 5%)835(Top 15%)
20M20.00 mi1.36 mi1088+521025+511025+51860(Top 3%)812(Top 5%)812(Top 14%)
21M21.00 mi1.00 mi1065+231003+221003+22956(Top 3%)906(Top 6%)906(Top 16%)
35K21.75 mi0.75 mi1044+21982+21982+21960(Top 3%)903(Top 6%)903(Top 16%)
23M23.00 mi1.25 mi1007+37949+33949+33932(Top 3%)877(Top 5%)877(Top 16%)
24M24.00 mi1.00 mi990+17932+17932+17963(Top 3%)905(Top 6%)905(Top 16%)
40K24.85 mi0.85 mi974+16917+15917+15999(Top 4%)936(Top 6%)936(Top 17%)
25.2M25.20 mi0.35 mi973+1915+2915+21215(Top 4%)1117(Top 7%)1117(Top 20%)
Finish26.22 mi1.02 mi991-18931-16931-162119(Top 7%)1937(Top 12%)1937(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1424

Males

1355

M18-39

1355

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1277

Males

1212

M18-39

1212

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1424

Males

1355

M18-39

1355

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1134

Males

1070

M18-39

1070

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1160

Males

1097

M18-39

1097

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

973

Males

917

M18-39

917

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

891

Males

835

M18-39

835

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

860

Males

812

M18-39

812

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

956

Males

906

M18-39

906

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

960

Males

903

M18-39

903

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

932

Males

877

M18-39

877

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

963

Males

905

M18-39

905

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

999

Males

936

M18-39

936

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1215

Males

1117

M18-39

1117

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2119

Males

1937

M18-39

1937

Passing Analysis

Category:
Athletes Passed
758
Passed By
180
Net Change
+578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1569
5K → 10K17418+156#1569#1413
10K → 15K5440+14#1413#1399
15K → 20K9913+86#1399#1313
20K → Half138+5#1313#1308
Half → 25K828+74#1308#1234
25K → 30K10410+94#1234#1140
30K → 20M564+52#1140#1088
20M → 21M3411+23#1088#1065
21M → 35K287+21#1065#1044
35K → 23M5013+37#1044#1007
23M → 24M269+17#1007#990
24M → 40K204+16#990#974
40K → 25.2M98+1#974#973
25.2M → Finish927-18#973#991
TOTALS758180+578
📊

Passing Visuals

Category:
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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