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BOSTON MARATHON 2025

Thomas Dialynas

Bib: 291•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:30
Rank: #337
Start → 5K
17:30 | 5:38/mi
10K· 6.21 mi
34:47
Rank: #295 (+42)
5K → 10K
17:17 | 5:34/mi
15K· 9.32 mi
52:05
Rank: #268 (+27)
10K → 15K
17:18 | 5:34/mi
20K· 12.43 mi
1:09:37
Rank: #254 (+14)
15K → 20K
17:32 | 5:39/mi
Half· 13.11 mi
1:13:28
Rank: #256 (-2)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:27:10
Rank: #249 (+7)
Half → 25K
13:42 | 5:39/mi
30K· 18.64 mi
1:45:43
Rank: #271 (-22)
25K → 30K
18:33 | 5:58/mi
20M
1:54:04
Rank: #284 (-13)
30K → 20M
8:21 | 6:09/mi
21M
2:00:48
Rank: #306 (-22)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:05:25
Rank: #314 (-8)
21M → 35K
4:37 | 6:10/mi
23M
2:13:26
Rank: #331 (-17)
35K → 23M
8:01 | 6:24/mi
24M
2:19:43
Rank: #347 (-16)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:25:09
Rank: #354 (-7)
24M → 40K
5:26 | 6:21/mi
25.2M
2:27:35
Rank: #353 (+1)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:33:42
Rank: #353
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:28
Pace5:36 /mi
2nd Half
Distance13.11 mi
Time1:20:14
Pace6:07 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3917:305:3817:30
5:38
-
10K
6.21 mi10:34:5634:475:3617:17
5:34
-0:04
15K
9.32 mi10:52:1452:055:3517:18
5:34
0:00
20K
12.43 mi11:09:461:09:375:3617:32
5:39
+0:05
Half
13.11 mi11:13:371:13:285:363:51
5:39
0:00
25K
15.53 mi11:27:191:27:105:3713:42
5:39
0:00
30K
18.64 mi11:45:521:45:435:4018:33
5:58
+0:19
20M
20.00 mi11:54:131:54:045:428:21
6:09
+0:11
21M
21.00 mi12:00:572:00:485:456:44
6:44
+0:35
35K
21.75 mi12:05:342:05:255:464:37
6:10
-0:34
23M
23.00 mi12:13:352:13:265:488:01
6:24
+0:14
24M
24.00 mi12:19:522:19:435:496:17
6:17
-0:07
40K
24.85 mi12:25:182:25:095:505:26
6:21
+0:04
25.2M
25.20 mi12:27:442:27:355:512:26
7:03
+0:42
Finish
26.22 mi12:33:512:33:425:526:07
6:00
-1:03

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

5:34 /mi

Average Pace

5:52 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:10

57% of race

Time at Steady Pace

37:38

24% of race

Time at Slower Pace

28:54

19% of race

Average Pace: 5:52 /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 mi10:17:3917:305:3817:30
5:38
#337
10K
6.21 mi10:34:5634:475:3617:17
5:34
#295
15K
9.32 mi10:52:1452:055:3517:18
5:34
#268
20K
12.43 mi11:09:461:09:375:3617:32
5:39
#254
Half
13.11 mi11:13:371:13:285:363:51
5:39
#256
25K
15.53 mi11:27:191:27:105:3713:42
5:39
#249
30K
18.64 mi11:45:521:45:435:4018:33
5:58
#271
20M
20.00 mi11:54:131:54:045:428:21
6:09
#284
21M
21.00 mi12:00:572:00:485:456:44
6:44
#306
35K
21.75 mi12:05:342:05:255:464:37
6:10
#314
23M
23.00 mi12:13:352:13:265:488:01
6:24
#331
24M
24.00 mi12:19:522:19:435:496:17
6:17
#347
40K
24.85 mi12:25:182:25:095:505:26
6:21
#354
25.2M
25.20 mi12:27:442:27:355:512:26
7:03
#353
Finish
26.22 mi12:33:512:33:425:526:07
6:00
#353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi337305305222(Top 0.8%)195(Top 1%)195(Top 3%)
10K6.21 mi3.10 mi295+42266+39266+39268(Top 0.9%)239(Top 1%)239(Top 4%)
15K9.32 mi3.11 mi268+27239+27239+27222(Top 0.8%)195(Top 1%)195(Top 3%)
20K12.43 mi3.11 mi254+14227+12227+12250(Top 0.9%)224(Top 1%)224(Top 4%)
Half13.11 mi0.68 mi256-2229-2229-2362(Top 1%)336(Top 2%)336(Top 6%)
25K15.53 mi2.42 mi249+7223+6223+6237(Top 0.8%)212(Top 1%)212(Top 4%)
30K18.64 mi3.11 mi271-22245-22245-22451(Top 2%)418(Top 3%)418(Top 7%)
20M20.00 mi1.36 mi284-13257-12257-12607(Top 2%)570(Top 4%)570(Top 10%)
21M21.00 mi1.00 mi306-22279-22279-221279(Top 5%)1208(Top 8%)1208(Top 21%)
35K21.75 mi0.75 mi314-8288-9288-91111(Top 4%)1046(Top 6%)1046(Top 19%)
23M23.00 mi1.25 mi331-17304-16304-161119(Top 4%)1055(Top 7%)1055(Top 19%)
24M24.00 mi1.00 mi347-16320-16320-161244(Top 4%)1163(Top 7%)1163(Top 21%)
40K24.85 mi0.85 mi354-7327-7327-71081(Top 4%)1010(Top 6%)1010(Top 18%)
25.2M25.20 mi0.35 mi353+1326+1326+11576(Top 6%)1433(Top 9%)1433(Top 25%)
Finish26.22 mi1.02 mi353325+1325+1905(Top 3%)850(Top 5%)850(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

222

Males

195

M18-39

195

5K→10K

3.1 - 6.2 mi

Top 0.9%
×5stories
+79ft-138ft

Overall

268

Males

239

M18-39

239

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

222

Males

195

M18-39

195

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5stories
+106ft-86ft

Overall

250

Males

224

M18-39

224

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

362

Males

336

M18-39

336

Half→25K

13.1 - 15.5 mi

Top 0.8%
×4stories
+66ft-88ft

Overall

237

Males

212

M18-39

212

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

451

Males

418

M18-39

418

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

607

Males

570

M18-39

570

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1279

Males

1208

M18-39

1208

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1111

Males

1046

M18-39

1046

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1119

Males

1055

M18-39

1055

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1244

Males

1163

M18-39

1163

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1081

Males

1010

M18-39

1010

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1576

Males

1433

M18-39

1433

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

905

Males

850

M18-39

850

Passing Analysis

Category:
Athletes Passed
150
Passed By
166
Net Change
-16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#337
5K → 10K464+42#337#295
10K → 15K281+27#295#268
15K → 20K195+14#268#254
20K → Half02-2#254#256
Half → 25K158+7#256#249
25K → 30K830-22#249#271
30K → 20M215-13#271#284
20M → 21M022-22#284#306
21M → 35K210-8#306#314
35K → 23M724-17#314#331
23M → 24M420-16#331#347
24M → 40K411-7#347#354
40K → 25.2M32+1#354#353
25.2M → Finish12120#353#353
TOTALS150166-16
📊

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