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BOSTON MARATHON 2025

Frederick Silva

Bib: 6483•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4857
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
40:55
Rank: #4381 (+476)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:01:12
Rank: #4143 (+238)
10K → 15K
20:17 | 6:32/mi
20K· 12.43 mi
1:21:37
Rank: #3924 (+219)
15K → 20K
20:25 | 6:34/mi
Half· 13.11 mi
1:26:01
Rank: #3894 (+30)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:42:01
Rank: #3799 (+95)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:03:15
Rank: #3720 (+79)
25K → 30K
21:14 | 6:50/mi
20M
2:12:39
Rank: #3664 (+56)
30K → 20M
9:24 | 6:55/mi
21M
2:19:53
Rank: #3621 (+43)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:24:52
Rank: #3587 (+34)
21M → 35K
4:59 | 6:40/mi
23M
2:33:33
Rank: #3522 (+65)
35K → 23M
8:41 | 6:56/mi
24M
2:40:20
Rank: #3472 (+50)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:46:15
Rank: #3443 (+29)
24M → 40K
5:55 | 6:55/mi
25.2M
2:48:54
Rank: #3435 (+8)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:55:54
Rank: #3454 (-19)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:01
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:29:53
Pace6:51 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1620:366:3820:36
6:38
-
10K
6.21 mi10:45:3540:556:3520:19
6:32
-0:06
15K
9.32 mi11:05:521:01:126:3420:17
6:32
0:00
20K
12.43 mi11:26:171:21:376:3420:25
6:34
+0:02
Half
13.11 mi11:30:411:26:016:344:24
6:27
-0:07
25K
15.53 mi11:46:411:42:016:3416:00
6:36
+0:09
30K
18.64 mi12:07:552:03:156:3721:14
6:50
+0:14
20M
20.00 mi12:17:192:12:396:389:24
6:55
+0:05
21M
21.00 mi12:24:332:19:536:407:14
7:14
+0:19
35K
21.75 mi12:29:322:24:526:404:59
6:40
-0:34
23M
23.00 mi12:38:132:33:336:418:41
6:56
+0:16
24M
24.00 mi12:45:002:40:206:416:47
6:47
-0:09
40K
24.85 mi12:50:552:46:156:415:55
6:55
+0:08
25.2M
25.20 mi12:53:342:48:546:422:39
7:41
+0:46
Finish
26.22 mi13:00:342:55:546:437:00
6:52
-0:49

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

6:27 /mi

Average Pace

6:43 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:46:01

94% of race

Time at Steady Pace

7:14

4% of race

Time at Slower Pace

2:39

2% of race

Average Pace: 6:43 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:1620:366:3820:36
6:38
#4857
10K
6.21 mi10:45:3540:556:3520:19
6:32
#4381
15K
9.32 mi11:05:521:01:126:3420:17
6:32
#4143
20K
12.43 mi11:26:171:21:376:3420:25
6:34
#3924
Half
13.11 mi11:30:411:26:016:344:24
6:27
#3894
25K
15.53 mi11:46:411:42:016:3416:00
6:36
#3799
30K
18.64 mi12:07:552:03:156:3721:14
6:50
#3720
20M
20.00 mi12:17:192:12:396:389:24
6:55
#3664
21M
21.00 mi12:24:332:19:536:407:14
7:14
#3621
35K
21.75 mi12:29:322:24:526:404:59
6:40
#3587
23M
23.00 mi12:38:132:33:336:418:41
6:56
#3522
24M
24.00 mi12:45:002:40:206:416:47
6:47
#3472
40K
24.85 mi12:50:552:46:156:415:55
6:55
#3443
25.2M
25.20 mi12:53:342:48:546:422:39
7:41
#3435
Finish
26.22 mi13:00:342:55:546:437:00
6:52
#3454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4857454745473744(Top 13%)3533(Top 22%)3533(Top 63%)
10K6.21 mi3.10 mi4381+4764120+4274120+4274006(Top 14%)3771(Top 23%)3771(Top 67%)
15K9.32 mi3.11 mi4143+2383904+2163904+2163744(Top 13%)3533(Top 22%)3533(Top 63%)
20K12.43 mi3.11 mi3924+2193697+2073697+2073540(Top 12%)3350(Top 21%)3350(Top 59%)
Half13.11 mi0.68 mi3894+303668+293668+293410(Top 12%)3236(Top 20%)3236(Top 57%)
25K15.53 mi2.42 mi3799+953581+873581+873467(Top 12%)3272(Top 20%)3272(Top 58%)
30K18.64 mi3.11 mi3720+793510+713510+713662(Top 13%)3392(Top 21%)3392(Top 60%)
20M20.00 mi1.36 mi3664+563454+563454+563626(Top 13%)3342(Top 21%)3342(Top 59%)
21M21.00 mi1.00 mi3621+433409+453409+453295(Top 12%)3033(Top 19%)3033(Top 54%)
35K21.75 mi0.75 mi3587+343376+333376+333308(Top 12%)3024(Top 19%)3024(Top 54%)
23M23.00 mi1.25 mi3522+653311+653311+653421(Top 12%)3109(Top 19%)3109(Top 55%)
24M24.00 mi1.00 mi3472+503260+513260+513417(Top 12%)3072(Top 19%)3072(Top 54%)
40K24.85 mi0.85 mi3443+293229+313229+313474(Top 12%)3093(Top 19%)3093(Top 55%)
25.2M25.20 mi0.35 mi3435+83217+123217+124264(Top 15%)3620(Top 22%)3620(Top 64%)
Finish26.22 mi1.02 mi3454-193229-123229-124895(Top 17%)4043(Top 25%)4043(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3744

Males

3533

M18-39

3533

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4006

Males

3771

M18-39

3771

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3744

Males

3533

M18-39

3533

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3540

Males

3350

M18-39

3350

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3410

Males

3236

M18-39

3236

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3467

Males

3272

M18-39

3272

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3662

Males

3392

M18-39

3392

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3626

Males

3342

M18-39

3342

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3295

Males

3033

M18-39

3033

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3308

Males

3024

M18-39

3024

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3421

Males

3109

M18-39

3109

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3417

Males

3072

M18-39

3072

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3474

Males

3093

M18-39

3093

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4264

Males

3620

M18-39

3620

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4895

Males

4043

M18-39

4043

Passing Analysis

Category:
Athletes Passed
1780
Passed By
377
Net Change
+1403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4857
5K → 10K49923+476#4857#4381
10K → 15K25820+238#4381#4143
15K → 20K23314+219#4143#3924
20K → Half333+30#3924#3894
Half → 25K12227+95#3894#3799
25K → 30K14667+79#3799#3720
30K → 20M8327+56#3720#3664
20M → 21M7431+43#3664#3621
21M → 35K439+34#3621#3587
35K → 23M9833+65#3587#3522
23M → 24M7323+50#3522#3472
24M → 40K5728+29#3472#3443
40K → 25.2M2113+8#3443#3435
25.2M → Finish4059-19#3435#3454
TOTALS1780377+1403
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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