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BOSTON MARATHON 2025

Ilias Vasileiadis

Bib: 7327•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #4991
Start → 5K
6:39/mi
20:39 split
10K· 6.21 mi
41:30
Rank: #5177 (-186)
5K → 10K
6:43/mi
20:51 split
15K· 9.32 mi
1:02:54
Rank: #5682 (-505)
10K → 15K
6:53/mi
21:24 split
20K· 12.43 mi
1:24:50
Rank: #6184 (-502)
15K → 20K
7:04/mi
21:56 split
Half· 13.11 mi
1:29:32
Rank: #6215 (-31)
20K → Half
6:53/mi
4:42 split
25K· 15.53 mi
1:47:02
Rank: #6495 (-280)
Half → 25K
7:13/mi
17:30 split
30K· 18.64 mi
2:10:05
Rank: #6525 (-30)
25K → 30K
7:25/mi
23:03 split
20M
2:20:26
Rank: #6517 (+8)
30K → 20M
7:37/mi
10:21 split
21M
2:29:14
Rank: #6736 (-219)
20M → 21M
8:48/mi
8:48 split
35K· 21.75 mi
2:34:45
Rank: #6724 (+12)
21M → 35K
7:22/mi
5:31 split
23M
2:44:30
Rank: #6765 (-41)
35K → 23M
7:47/mi
9:45 split
24M
2:52:32
Rank: #6926 (-161)
23M → 24M
8:02/mi
8:02 split
40K· 24.85 mi
2:59:01
Rank: #6892 (+34)
24M → 40K
7:35/mi
6:29 split
25.2M
3:01:56
Rank: #6888 (+4)
40K → 25.2M
8:27/mi
2:55 split
Finish· 26.22 mi
3:09:38
Rank: #6948 (-60)
25.2M → Finish
7:33/mi
7:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:32
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:40:06
Pace7:38 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:3520:396:3920:39
6:39
-
10K
6.21 mi10:48:2641:306:4120:51
6:43
+0:04
15K
9.32 mi11:09:501:02:546:4521:24
6:53
+0:10
20K
12.43 mi11:31:461:24:506:5021:56
7:04
+0:11
Half
13.11 mi11:36:281:29:326:504:42
6:53
-0:11
25K
15.53 mi11:53:581:47:026:5317:30
7:13
+0:20
30K
18.64 mi12:17:012:10:056:5923:03
7:25
+0:12
20M
20.00 mi12:27:222:20:267:0110:21
7:37
+0:12
21M
21.00 mi12:36:102:29:147:068:48
8:48
+1:11
35K
21.75 mi12:41:412:34:457:075:31
7:22
-1:26
23M
23.00 mi12:51:262:44:307:099:45
7:47
+0:25
24M
24.00 mi12:59:282:52:327:118:02
8:02
+0:15
40K
24.85 mi13:05:572:59:017:126:29
7:35
-0:27
25.2M
25.20 mi13:08:523:01:567:132:55
8:27
+0:52
Finish
26.22 mi13:16:343:09:387:147:42
7:33
-0:54

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

6:39 /mi

Average Pace

7:14 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:32

47% of race

Time at Steady Pace

1:10:36

37% of race

Time at Slower Pace

29:30

16% of race

Average Pace: 7:14 /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 mi10:27:3520:396:3920:39
6:39
#4991
10K
6.21 mi10:48:2641:306:4120:51
6:43
#5177
15K
9.32 mi11:09:501:02:546:4521:24
6:53
#5682
20K
12.43 mi11:31:461:24:506:5021:56
7:04
#6184
Half
13.11 mi11:36:281:29:326:504:42
6:53
#6215
25K
15.53 mi11:53:581:47:026:5317:30
7:13
#6495
30K
18.64 mi12:17:012:10:056:5923:03
7:25
#6525
20M
20.00 mi12:27:222:20:267:0110:21
7:37
#6517
21M
21.00 mi12:36:102:29:147:068:48
8:48
#6736
35K
21.75 mi12:41:412:34:457:075:31
7:22
#6724
23M
23.00 mi12:51:262:44:307:099:45
7:47
#6765
24M
24.00 mi12:59:282:52:327:118:02
8:02
#6926
40K
24.85 mi13:05:572:59:017:126:29
7:35
#6892
25.2M
25.20 mi13:08:523:01:567:132:55
8:27
#6888
Finish
26.22 mi13:16:343:09:387:147:42
7:33
#6948
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4991466546656849(Top 24%)6137(Top 38%)6137(Top 307%)
10K6.21 mi3.10 mi5177-1864817-1524817-1525438(Top 19%)5022(Top 31%)5022(Top 252%)
15K9.32 mi3.11 mi5682-5055236-4195236-4196849(Top 24%)6137(Top 38%)6137(Top 307%)
20K12.43 mi3.11 mi6184-5025633-3975633-3977240(Top 25%)6373(Top 40%)6373(Top 319%)
Half13.11 mi0.68 mi6215-315652-195652-196774(Top 24%)6039(Top 37%)6039(Top 303%)
25K15.53 mi2.42 mi6495-2805864-2125864-2127718(Top 27%)6578(Top 41%)6578(Top 330%)
30K18.64 mi3.11 mi6525-305854+105854+107158(Top 25%)6061(Top 38%)6061(Top 304%)
20M20.00 mi1.36 mi6517+85819+355819+357764(Top 27%)6285(Top 39%)6285(Top 315%)
21M21.00 mi1.00 mi6736-2195964-1455964-14512249(Top 43%)8474(Top 53%)8474(Top 425%)
35K21.75 mi0.75 mi6724+125937+275937+277664(Top 27%)6081(Top 38%)6081(Top 305%)
23M23.00 mi1.25 mi6765-415933+45933+48467(Top 30%)6415(Top 40%)6415(Top 321%)
24M24.00 mi1.00 mi6926-1616015-826015-8211434(Top 40%)7855(Top 49%)7855(Top 394%)
40K24.85 mi0.85 mi6892+345967+485967+487268(Top 26%)5574(Top 35%)5574(Top 279%)
25.2M25.20 mi0.35 mi6888+45953+145953+148444(Top 30%)6129(Top 38%)6129(Top 307%)
Finish26.22 mi1.02 mi6948-605958-55958-59556(Top 34%)6728(Top 42%)6728(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6849

Males

6137

M50-54

6137

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5438

Males

5022

M50-54

5022

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6849

Males

6137

M50-54

6137

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7240

Males

6373

M50-54

6373

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6774

Males

6039

M50-54

6039

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7718

Males

6578

M50-54

6578

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7158

Males

6061

M50-54

6061

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7764

Males

6285

M50-54

6285

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12249

Males

8474

M50-54

8474

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7664

Males

6081

M50-54

6081

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8467

Males

6415

M50-54

6415

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11434

Males

7855

M50-54

7855

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7268

Males

5574

M50-54

5574

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8444

Males

6129

M50-54

6129

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9556

Males

6728

M50-54

6728

Passing Analysis

Category:
Athletes Passed
867
Passed By
2824
Net Change
-1957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4991
5K → 10K105291-186#4991#5177
10K → 15K28533-505#5177#5682
15K → 20K50552-502#5682#6184
20K → Half2051-31#6184#6215
Half → 25K58338-280#6215#6495
25K → 30K172202-30#6495#6525
30K → 20M9284+8#6525#6517
20M → 21M18237-219#6517#6736
21M → 35K4937+12#6736#6724
35K → 23M86127-41#6724#6765
23M → 24M36197-161#6765#6926
24M → 40K7844+34#6926#6892
40K → 25.2M2925+4#6892#6888
25.2M → Finish46106-60#6888#6948
TOTALS8672824-1957
📊

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