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BOSTON MARATHON 2025

Zacarias Santos Filho

Bib: 5709•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M40-44)
#0 / 2247
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #2595
Start → 5K
6:19/mi
19:39 split
10K· 6.21 mi
39:29
Rank: #2759 (-164)
5K → 10K
6:23/mi
19:50 split
15K· 9.32 mi
59:20
Rank: #2768 (-9)
10K → 15K
6:23/mi
19:51 split
20K· 12.43 mi
1:19:26
Rank: #2802 (-34)
15K → 20K
6:28/mi
20:06 split
Half· 13.11 mi
1:23:43
Rank: #2777 (+25)
20K → Half
6:17/mi
4:17 split
25K· 15.53 mi
1:39:37
Rank: #2823 (-46)
Half → 25K
6:33/mi
15:54 split
30K· 18.64 mi
2:01:08
Rank: #3029 (-206)
25K → 30K
6:56/mi
21:31 split
20M
2:10:58
Rank: #3150 (-121)
30K → 20M
7:14/mi
9:50 split
21M
2:19:01
Rank: #3368 (-218)
20M → 21M
8:03/mi
8:03 split
35K· 21.75 mi
2:24:16
Rank: #3403 (-35)
21M → 35K
7:01/mi
5:15 split
23M
2:33:40
Rank: #3560 (-157)
35K → 23M
7:30/mi
9:24 split
24M
2:40:55
Rank: #3637 (-77)
23M → 24M
7:15/mi
7:15 split
40K· 24.85 mi
2:47:17
Rank: #3735 (-98)
24M → 40K
7:27/mi
6:22 split
25.2M
2:50:09
Rank: #3790 (-55)
40K → 25.2M
8:19/mi
2:52 split
Finish· 26.22 mi
2:57:40
Rank: #3938 (-148)
25.2M → Finish
7:23/mi
7:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:43
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:33:57
Pace7:10 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2619:396:1919:39
6:19
-
10K
6.21 mi10:44:1639:296:2119:50
6:23
+0:04
15K
9.32 mi11:04:0759:206:2219:51
6:23
0:00
20K
12.43 mi11:24:131:19:266:2420:06
6:28
+0:05
Half
13.11 mi11:28:301:23:436:234:17
6:17
-0:11
25K
15.53 mi11:44:241:39:376:2515:54
6:33
+0:16
30K
18.64 mi12:05:552:01:086:3021:31
6:56
+0:23
20M
20.00 mi12:15:452:10:586:339:50
7:14
+0:18
21M
21.00 mi12:23:482:19:016:378:03
8:03
+0:49
35K
21.75 mi12:29:032:24:166:385:15
7:01
-1:02
23M
23.00 mi12:38:272:33:406:419:24
7:30
+0:29
24M
24.00 mi12:45:422:40:556:427:15
7:15
-0:15
40K
24.85 mi12:52:042:47:176:446:22
7:27
+0:12
25.2M
25.20 mi12:54:562:50:096:452:52
8:19
+0:52
Finish
26.22 mi13:02:272:57:406:477:31
7:23
-0:56

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

6:17 /mi

Average Pace

6:47 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:37

56% of race

Time at Steady Pace

43:51

25% of race

Time at Slower Pace

34:12

19% of race

Average Pace: 6:47 /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 mi10:24:2619:396:1919:39
6:19
#2595
10K
6.21 mi10:44:1639:296:2119:50
6:23
#2759
15K
9.32 mi11:04:0759:206:2219:51
6:23
#2768
20K
12.43 mi11:24:131:19:266:2420:06
6:28
#2802
Half
13.11 mi11:28:301:23:436:234:17
6:17
#2777
25K
15.53 mi11:44:241:39:376:2515:54
6:33
#2823
30K
18.64 mi12:05:552:01:086:3021:31
6:56
#3029
20M
20.00 mi12:15:452:10:586:339:50
7:14
#3150
21M
21.00 mi12:23:482:19:016:378:03
8:03
#3368
35K
21.75 mi12:29:032:24:166:385:15
7:01
#3403
23M
23.00 mi12:38:272:33:406:419:24
7:30
#3560
24M
24.00 mi12:45:422:40:556:427:15
7:15
#3637
40K
24.85 mi12:52:042:47:176:446:22
7:27
#3735
25.2M
25.20 mi12:54:562:50:096:452:52
8:19
#3790
Finish
26.22 mi13:02:272:57:406:477:31
7:23
#3938
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2595247124712865(Top 10%)2730(Top 17%)2730(Top 121%)
10K6.21 mi3.10 mi2759-1642628-1572628-1572933(Top 10%)2792(Top 17%)2792(Top 124%)
15K9.32 mi3.11 mi2768-92638-102638-102865(Top 10%)2730(Top 17%)2730(Top 121%)
20K12.43 mi3.11 mi2802-342672-342672-342936(Top 10%)2796(Top 17%)2796(Top 124%)
Half13.11 mi0.68 mi2777+252648+242648+242400(Top 8%)2297(Top 14%)2297(Top 102%)
25K15.53 mi2.42 mi2823-462694-462694-463200(Top 11%)3031(Top 19%)3031(Top 135%)
30K18.64 mi3.11 mi3029-2062884-1902884-1904238(Top 15%)3891(Top 24%)3891(Top 173%)
20M20.00 mi1.36 mi3150-1212985-1012985-1015374(Top 19%)4749(Top 29%)4749(Top 211%)
21M21.00 mi1.00 mi3368-2183183-1983183-1987586(Top 27%)6004(Top 37%)6004(Top 267%)
35K21.75 mi0.75 mi3403-353212-293212-295399(Top 19%)4639(Top 29%)4639(Top 206%)
23M23.00 mi1.25 mi3560-1573345-1333345-1336628(Top 23%)5369(Top 33%)5369(Top 239%)
24M24.00 mi1.00 mi3637-773407-623407-626078(Top 21%)4955(Top 31%)4955(Top 221%)
40K24.85 mi0.85 mi3735-983484-773484-776438(Top 23%)5094(Top 32%)5094(Top 227%)
25.2M25.20 mi0.35 mi3790-553525-413525-417597(Top 27%)5656(Top 35%)5656(Top 252%)
Finish26.22 mi1.02 mi3938-1483641-1163641-1168272(Top 29%)6048(Top 38%)6048(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2865

Males

2730

M40-44

2730

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2933

Males

2792

M40-44

2792

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2865

Males

2730

M40-44

2730

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2936

Males

2796

M40-44

2796

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2400

Males

2297

M40-44

2297

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3200

Males

3031

M40-44

3031

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4238

Males

3891

M40-44

3891

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5374

Males

4749

M40-44

4749

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7586

Males

6004

M40-44

6004

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5399

Males

4639

M40-44

4639

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6628

Males

5369

M40-44

5369

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

6078

Males

4955

M40-44

4955

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6438

Males

5094

M40-44

5094

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7597

Males

5656

M40-44

5656

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8272

Males

6048

M40-44

6048

Passing Analysis

Category:
Athletes Passed
517
Passed By
1860
Net Change
-1343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2595
5K → 10K61225-164#2595#2759
10K → 15K6776-9#2759#2768
15K → 20K70104-34#2768#2802
20K → Half283+25#2802#2777
Half → 25K54100-46#2777#2823
25K → 30K60266-206#2823#3029
30K → 20M29150-121#3029#3150
20M → 21M11229-218#3150#3368
21M → 35K2459-35#3368#3403
35K → 23M27184-157#3403#3560
23M → 24M34111-77#3560#3637
24M → 40K25123-98#3637#3735
40K → 25.2M762-55#3735#3790
25.2M → Finish20168-148#3790#3938
TOTALS5171860-1343
📊

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