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BOSTON MARATHON 2025

Demetri Goutos

Bib: 822•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:01
Rank: #613
Start → 5K
18:01 | 5:48/mi
10K· 6.21 mi
36:00
Rank: #589 (+24)
5K → 10K
17:59 | 5:47/mi
15K· 9.32 mi
54:03
Rank: #570 (+19)
10K → 15K
18:03 | 5:49/mi
20K· 12.43 mi
1:12:15
Rank: #545 (+25)
15K → 20K
18:12 | 5:51/mi
Half· 13.11 mi
1:16:12
Rank: #541 (+4)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:30:14
Rank: #500 (+41)
Half → 25K
14:02 | 5:47/mi
30K· 18.64 mi
1:48:23
Rank: #459 (+41)
25K → 30K
18:09 | 5:51/mi
20M
1:56:29
Rank: #441 (+18)
30K → 20M
8:06 | 5:58/mi
21M
2:02:51
Rank: #430 (+11)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:07:14
Rank: #424 (+6)
21M → 35K
4:23 | 5:52/mi
23M
2:15:05
Rank: #423 (+1)
35K → 23M
7:51 | 6:16/mi
24M
2:21:18
Rank: #429 (-6)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:26:43
Rank: #440 (-11)
24M → 40K
5:25 | 6:20/mi
25.2M
2:29:09
Rank: #446 (-6)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:35:22
Rank: #452 (-6)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:12
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:19:10
Pace6:02 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2118:015:4818:01
5:48
-
10K
6.21 mi10:36:2036:005:4817:59
5:47
-0:01
15K
9.32 mi10:54:2354:035:4818:03
5:49
+0:02
20K
12.43 mi11:12:351:12:155:4918:12
5:51
+0:02
Half
13.11 mi11:16:321:16:125:493:57
5:47
-0:04
25K
15.53 mi11:30:341:30:145:4914:02
5:47
0:00
30K
18.64 mi11:48:431:48:235:4918:09
5:51
+0:04
20M
20.00 mi11:56:491:56:295:498:06
5:58
+0:07
21M
21.00 mi12:03:112:02:515:516:22
6:22
+0:24
35K
21.75 mi12:07:342:07:145:514:23
5:52
-0:30
23M
23.00 mi12:15:252:15:055:527:51
6:16
+0:24
24M
24.00 mi12:21:382:21:185:536:13
6:13
-0:03
40K
24.85 mi12:27:032:26:435:545:25
6:20
+0:07
25.2M
25.20 mi12:29:292:29:095:552:26
7:03
+0:43
Finish
26.22 mi12:35:422:35:225:566:13
6:06
-0:57

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

5:47 /mi

Average Pace

5:56 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:00:52

78% of race

Time at Slower Pace

34:30

22% of race

Average Pace: 5:56 /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 mi10:18:2118:015:4818:01
5:48
#613
10K
6.21 mi10:36:2036:005:4817:59
5:47
#589
15K
9.32 mi10:54:2354:035:4818:03
5:49
#570
20K
12.43 mi11:12:351:12:155:4918:12
5:51
#545
Half
13.11 mi11:16:321:16:125:493:57
5:47
#541
25K
15.53 mi11:30:341:30:145:4914:02
5:47
#500
30K
18.64 mi11:48:431:48:235:4918:09
5:51
#459
20M
20.00 mi11:56:491:56:295:498:06
5:58
#441
21M
21.00 mi12:03:112:02:515:516:22
6:22
#430
35K
21.75 mi12:07:342:07:145:514:23
5:52
#424
23M
23.00 mi12:15:252:15:055:527:51
6:16
#423
24M
24.00 mi12:21:382:21:185:536:13
6:13
#429
40K
24.85 mi12:27:032:26:435:545:25
6:20
#440
25.2M
25.20 mi12:29:292:29:095:552:26
7:03
#446
Finish
26.22 mi12:35:422:35:225:566:13
6:06
#452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi613567567537(Top 2%)500(Top 3%)500(Top 9%)
10K6.21 mi3.10 mi589+24549+18549+18577(Top 2%)538(Top 3%)538(Top 10%)
15K9.32 mi3.11 mi570+19531+18531+18537(Top 2%)500(Top 3%)500(Top 9%)
20K12.43 mi3.11 mi545+25502+29502+29530(Top 2%)489(Top 3%)489(Top 9%)
Half13.11 mi0.68 mi541+4500+2500+2550(Top 2%)516(Top 3%)516(Top 9%)
25K15.53 mi2.42 mi500+41463+37463+37400(Top 1%)370(Top 2%)370(Top 7%)
30K18.64 mi3.11 mi459+41424+39424+39283(Top 1.0%)260(Top 2%)260(Top 5%)
20M20.00 mi1.36 mi441+18406+18406+18339(Top 1%)315(Top 2%)315(Top 6%)
21M21.00 mi1.00 mi430+11396+10396+10445(Top 2%)419(Top 3%)419(Top 7%)
35K21.75 mi0.75 mi424+6390+6390+6457(Top 2%)425(Top 3%)425(Top 8%)
23M23.00 mi1.25 mi423+1389+1389+1794(Top 3%)749(Top 5%)749(Top 13%)
24M24.00 mi1.00 mi429-6396-7396-71046(Top 4%)982(Top 6%)982(Top 17%)
40K24.85 mi0.85 mi440-11405-9405-91032(Top 4%)964(Top 6%)964(Top 17%)
25.2M25.20 mi0.35 mi446-6410-5410-51579(Top 6%)1436(Top 9%)1436(Top 25%)
Finish26.22 mi1.02 mi452-6416-6416-61165(Top 4%)1088(Top 7%)1088(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

537

Males

500

M18-39

500

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

577

Males

538

M18-39

538

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

537

Males

500

M18-39

500

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

530

Males

489

M18-39

489

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

550

Males

516

M18-39

516

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

400

Males

370

M18-39

370

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9stories
+181ft-148ft

Overall

283

Males

260

M18-39

260

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

339

Males

315

M18-39

315

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

445

Males

419

M18-39

419

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

457

Males

425

M18-39

425

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

794

Males

749

M18-39

749

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1046

Males

982

M18-39

982

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1032

Males

964

M18-39

964

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1579

Males

1436

M18-39

1436

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1165

Males

1088

M18-39

1088

Passing Analysis

Category:
Athletes Passed
273
Passed By
112
Net Change
+161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#613
5K → 10K4824+24#613#589
10K → 15K256+19#589#570
15K → 20K338+25#570#545
20K → Half62+4#545#541
Half → 25K454+41#541#500
25K → 30K421+41#500#459
30K → 20M224+18#459#441
20M → 21M143+11#441#430
21M → 35K82+6#430#424
35K → 23M87+1#424#423
23M → 24M612-6#423#429
24M → 40K617-11#429#440
40K → 25.2M410-6#440#446
25.2M → Finish612-6#446#452
TOTALS273112+161
📊

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