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BOSTON MARATHON 2025

Peter Basilios

Bib: 29346•M

RI

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:51
Rank: #23508
Start → 5K
28:51 | 9:17/mi
10K· 6.21 mi
56:36
Rank: #22843 (+665)
5K → 10K
27:45 | 8:56/mi
15K· 9.32 mi
1:24:17
Rank: #22450 (+393)
10K → 15K
27:41 | 8:55/mi
20K· 12.43 mi
1:51:55
Rank: #21966 (+484)
15K → 20K
27:38 | 8:54/mi
Half· 13.11 mi
1:57:57
Rank: #21906 (+60)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:19:55
Rank: #21587 (+319)
Half → 25K
21:58 | 9:04/mi
30K· 18.64 mi
2:48:36
Rank: #21082 (+505)
25K → 30K
28:41 | 9:14/mi
20M
3:01:12
Rank: #20852 (+230)
30K → 20M
12:36 | 9:16/mi
21M
3:10:38
Rank: #20550 (+302)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:16:58
Rank: #20376 (+174)
21M → 35K
6:20 | 8:28/mi
23M
3:28:33
Rank: #20221 (+155)
35K → 23M
11:35 | 9:15/mi
24M
3:37:42
Rank: #20152 (+69)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:45:47
Rank: #20087 (+65)
24M → 40K
8:05 | 9:27/mi
25.2M
3:49:17
Rank: #20060 (+27)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:57:53
Rank: #19911 (+149)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:57
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5128:519:1728:51
9:17
-
10K
6.21 mi12:15:3656:369:0727:45
8:56
-0:21
15K
9.32 mi12:43:171:24:179:0327:41
8:55
-0:01
20K
12.43 mi13:10:551:51:559:0027:38
8:54
-0:01
Half
13.11 mi13:16:571:57:579:006:02
8:51
-0:03
25K
15.53 mi13:38:552:19:559:0021:58
9:04
+0:13
30K
18.64 mi14:07:362:48:369:0328:41
9:14
+0:10
20M
20.00 mi14:20:123:01:129:0412:36
9:16
+0:02
21M
21.00 mi14:29:383:10:389:059:26
9:26
+0:10
35K
21.75 mi14:35:583:16:589:036:20
8:28
-0:58
23M
23.00 mi14:47:333:28:339:0411:35
9:15
+0:47
24M
24.00 mi14:56:423:37:429:049:09
9:09
-0:06
40K
24.85 mi15:04:473:45:479:058:05
9:27
+0:18
25.2M
25.20 mi15:08:173:49:179:063:30
10:09
+0:42
Finish
26.22 mi15:16:533:57:539:058:36
8:26
-1:43

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

8:26 /mi

Average Pace

9:05 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:02

44% of race

Time at Steady Pace

1:52:50

47% of race

Time at Slower Pace

21:01

9% of race

Average Pace: 9:04 /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 mi11:47:5128:519:1728:51
9:17
#23508
10K
6.21 mi12:15:3656:369:0727:45
8:56
#22843
15K
9.32 mi12:43:171:24:179:0327:41
8:55
#22450
20K
12.43 mi13:10:551:51:559:0027:38
8:54
#21966
Half
13.11 mi13:16:571:57:579:006:02
8:51
#21906
25K
15.53 mi13:38:552:19:559:0021:58
9:04
#21587
30K
18.64 mi14:07:362:48:369:0328:41
9:14
#21082
20M
20.00 mi14:20:123:01:129:0412:36
9:16
#20852
21M
21.00 mi14:29:383:10:389:059:26
9:26
#20550
35K
21.75 mi14:35:583:16:589:036:20
8:28
#20376
23M
23.00 mi14:47:333:28:339:0411:35
9:15
#20221
24M
24.00 mi14:56:423:37:429:049:09
9:09
#20152
40K
24.85 mi15:04:473:45:479:058:05
9:27
#20087
25.2M
25.20 mi15:08:173:49:179:063:30
10:09
#20060
Finish
26.22 mi15:16:533:57:539:058:36
8:26
#19911
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23508140061400621614(Top 76%)13216(Top 82%)13216(Top 234%)
10K6.21 mi3.10 mi22843+66513712+29413712+29422081(Top 78%)13380(Top 83%)13380(Top 237%)
15K9.32 mi3.11 mi22450+39313555+15713555+15721614(Top 76%)13216(Top 82%)13216(Top 234%)
20K12.43 mi3.11 mi21966+48413322+23313322+23320431(Top 72%)12647(Top 79%)12647(Top 224%)
Half13.11 mi0.68 mi21906+6013293+2913293+2921073(Top 74%)12923(Top 80%)12923(Top 229%)
25K15.53 mi2.42 mi21587+31913153+14013153+14020168(Top 71%)12484(Top 78%)12484(Top 221%)
30K18.64 mi3.11 mi21082+50512895+25812895+25818788(Top 66%)11739(Top 73%)11739(Top 208%)
20M20.00 mi1.36 mi20852+23012773+12212773+12218150(Top 64%)11305(Top 70%)11305(Top 200%)
21M21.00 mi1.00 mi20550+30212617+15612617+15615783(Top 56%)10156(Top 63%)10156(Top 180%)
35K21.75 mi0.75 mi20376+17412522+9512522+9515249(Top 54%)9848(Top 61%)9848(Top 175%)
23M23.00 mi1.25 mi20221+15512424+9812424+9817557(Top 62%)10756(Top 67%)10756(Top 191%)
24M24.00 mi1.00 mi20152+6912375+4912375+4918109(Top 64%)10977(Top 68%)10977(Top 195%)
40K24.85 mi0.85 mi20087+6512325+5012325+5018516(Top 65%)11083(Top 69%)11083(Top 196%)
25.2M25.20 mi0.35 mi20060+2712301+2412301+2417662(Top 62%)10685(Top 66%)10685(Top 189%)
Finish26.22 mi1.02 mi19911+14912220+8112220+8115830(Top 56%)9866(Top 61%)9866(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21614

Males

13216

M18-39

13216

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22081

Males

13380

M18-39

13380

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21614

Males

13216

M18-39

13216

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20431

Males

12647

M18-39

12647

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21073

Males

12923

M18-39

12923

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20168

Males

12484

M18-39

12484

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18788

Males

11739

M18-39

11739

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18150

Males

11305

M18-39

11305

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15783

Males

10156

M18-39

10156

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15249

Males

9848

M18-39

9848

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17557

Males

10756

M18-39

10756

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18109

Males

10977

M18-39

10977

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18516

Males

11083

M18-39

11083

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17662

Males

10685

M18-39

10685

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15830

Males

9866

M18-39

9866

Passing Analysis

Category:
Athletes Passed
3834
Passed By
237
Net Change
+3597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23508
5K → 10K70035+665#23508#22843
10K → 15K42734+393#22843#22450
15K → 20K49410+484#22450#21966
20K → Half699+60#21966#21906
Half → 25K33617+319#21906#21587
25K → 30K52520+505#21587#21082
30K → 20M2377+230#21082#20852
20M → 21M3042+302#20852#20550
21M → 35K1762+174#20550#20376
35K → 23M17924+155#20376#20221
23M → 24M9021+69#20221#20152
24M → 40K9025+65#20152#20087
40K → 25.2M4316+27#20087#20060
25.2M → Finish16415+149#20060#19911
TOTALS3834237+3597
📊

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