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BOSTON MARATHON 2025

Michael Silvestri

Bib: 27918•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:13:53
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:39:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:05:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:33:03
↑ 181↓ 1480.2%
20M
9:25/mi
2:45:51
↑ 64↓ 500.2%
21M
10:18/mi
2:56:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:04/mi
3:02:56
↑ 17↓ 861.7%
23M
10:09/mi
3:15:38
↑ 23↓ 630.6%
24M
9:46/mi
3:25:24
↓ 821.3%
40K· 24.85 mi
10:39/mi
3:34:30
↓ 200.3%
25.2M
11:10/mi
3:38:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:47:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:03:14
Pace9:24 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5624:447:5824:44
7:58
-
10K
6.21 mi12:10:0948:577:5324:13
7:48
-0:10
15K
9.32 mi12:35:051:13:537:5624:56
8:02
+0:14
20K
12.43 mi13:00:141:39:027:5825:09
8:06
+0:04
Half
13.11 mi13:05:401:44:287:585:26
7:58
-0:08
25K
15.53 mi13:26:202:05:088:0320:40
8:31
+0:33
30K
18.64 mi13:54:152:33:038:1327:55
8:59
+0:28
20M
20.00 mi14:07:032:45:518:1812:48
9:25
+0:26
21M
21.00 mi14:17:212:56:098:2310:18
10:18
+0:53
35K
21.75 mi14:24:083:02:568:256:47
9:04
-1:14
23M
23.00 mi14:36:503:15:388:3012:42
10:09
+1:05
24M
24.00 mi14:46:363:25:248:349:46
9:46
-0:23
40K
24.85 mi14:55:423:34:308:389:06
10:39
+0:53
25.2M
25.20 mi14:59:333:38:218:403:51
11:10
+0:31
Finish
26.22 mi15:08:543:47:428:419:21
9:11
-1:59

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

7:48 /mi

Average Pace

8:41 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:08

55% of race

Time at Steady Pace

56:51

25% of race

Time at Slower Pace

45:43

20% of race

Average Pace: 8:41 /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 mi11:45:5624:447:5824:44
7:58
#16282
10K
6.21 mi12:10:0948:577:5324:13
7:48
#15463
15K
9.32 mi12:35:051:13:537:5624:56
8:02
#15726
20K
12.43 mi13:00:141:39:027:5825:09
8:06
#15703
Half
13.11 mi13:05:401:44:287:585:26
7:58
#15696
25K
15.53 mi13:26:202:05:088:0320:40
8:31
#15987
30K
18.64 mi13:54:152:33:038:1327:55
8:59
#16280
20M
20.00 mi14:07:032:45:518:1812:48
9:25
#16457
21M
21.00 mi14:17:212:56:098:2310:18
10:18
#16631
35K
21.75 mi14:24:083:02:568:256:47
9:04
#16699
23M
23.00 mi14:36:503:15:388:3012:42
10:09
#17055
24M
24.00 mi14:46:363:25:248:349:46
9:46
#17275
40K
24.85 mi14:55:423:34:308:389:06
10:39
#17580
25.2M
25.20 mi14:59:333:38:218:403:51
11:10
#17654
Finish
26.22 mi15:08:543:47:428:419:21
9:11
#17764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16282109161091616225(Top 57%)10911(Top 68%)10911(Top 193%)
10K6.21 mi3.10 mi15463+81910607+30910607+30914743(Top 52%)10316(Top 64%)10316(Top 183%)
15K9.32 mi3.11 mi15726-26310714-10710714-10716225(Top 57%)10911(Top 68%)10911(Top 193%)
20K12.43 mi3.11 mi15703+2310672+4210672+4215607(Top 55%)10592(Top 66%)10592(Top 188%)
Half13.11 mi0.68 mi15696+710663+910663+915588(Top 55%)10616(Top 66%)10616(Top 188%)
25K15.53 mi2.42 mi15987-29110782-11910782-11917336(Top 61%)11244(Top 70%)11244(Top 199%)
30K18.64 mi3.11 mi16280-29310832-5010832-5017607(Top 62%)11197(Top 70%)11197(Top 198%)
20M20.00 mi1.36 mi16457-17710878-4610878-4618812(Top 66%)11594(Top 72%)11594(Top 205%)
21M21.00 mi1.00 mi16631-17410927-4910927-4919354(Top 68%)11768(Top 73%)11768(Top 209%)
35K21.75 mi0.75 mi16699-6810933-610933-618534(Top 65%)11265(Top 70%)11265(Top 200%)
23M23.00 mi1.25 mi17055-35611040-10711040-10720926(Top 74%)12358(Top 77%)12358(Top 219%)
24M24.00 mi1.00 mi17275-22011105-6511105-6520597(Top 73%)12154(Top 75%)12154(Top 215%)
40K24.85 mi0.85 mi17580-30511212-10711212-10722278(Top 78%)12868(Top 80%)12868(Top 228%)
25.2M25.20 mi0.35 mi17654-7411234-2211234-2221081(Top 74%)12322(Top 77%)12322(Top 218%)
Finish26.22 mi1.02 mi17764-11011269-3511269-3519827(Top 70%)11724(Top 73%)11724(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16225

Males

10911

M18-39

10911

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14743

Males

10316

M18-39

10316

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16225

Males

10911

M18-39

10911

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15607

Males

10592

M18-39

10592

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15588

Males

10616

M18-39

10616

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17336

Males

11244

M18-39

11244

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17607

Males

11197

M18-39

11197

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18812

Males

11594

M18-39

11594

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19354

Males

11768

M18-39

11768

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18534

Males

11265

M18-39

11265

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20926

Males

12358

M18-39

12358

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20597

Males

12154

M18-39

12154

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22278

Males

12868

M18-39

12868

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21081

Males

12322

M18-39

12322

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19827

Males

11724

M18-39

11724

Passing Analysis

Category:
Athletes Passed
1825
Passed By
3307
Net Change
-1482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16282
5K → 10K89374+819#16282#15463
10K → 15K122385-263#15463#15726
15K → 20K221198+23#15726#15703
20K → Half2518+7#15703#15696
Half → 25K105396-291#15696#15987
25K → 30K147440-293#15987#16280
30K → 20M59236-177#16280#16457
20M → 21M64238-174#16457#16631
21M → 35K47115-68#16631#16699
35K → 23M44400-356#16699#17055
23M → 24M38258-220#17055#17275
24M → 40K16321-305#17275#17580
40K → 25.2M1185-74#17580#17654
25.2M → Finish33143-110#17654#17764
TOTALS18253307-1482
📊

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