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BOSTON MARATHON 2025

John Delehanty

Bib: 9018•M

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #6624
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:57
Rank: #7241 (-617)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:04:42
Rank: #7383 (-142)
10K → 15K
21:45 | 7:00/mi
20K· 12.43 mi
1:26:40
Rank: #7323 (+60)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:31:30
Rank: #7345 (-22)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:49:04
Rank: #7395 (-50)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:12:38
Rank: #7442 (-47)
25K → 30K
23:34 | 7:35/mi
20M
2:23:13
Rank: #7458 (-16)
30K → 20M
10:35 | 7:47/mi
21M
2:31:30
Rank: #7481 (-23)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:36:59
Rank: #7435 (+46)
21M → 35K
5:29 | 7:20/mi
23M
2:46:53
Rank: #7497 (-62)
35K → 23M
9:54 | 7:54/mi
24M
2:54:30
Rank: #7497
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:01:02
Rank: #7451 (+46)
24M → 40K
6:32 | 7:38/mi
25.2M
3:03:44
Rank: #7386 (+65)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:10:51
Rank: #7287 (+99)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:30
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4921:156:5021:15
6:50
-
10K
6.21 mi11:08:3142:576:5521:42
6:59
+0:09
15K
9.32 mi11:30:161:04:426:5621:45
7:00
+0:01
20K
12.43 mi11:52:141:26:406:5821:58
7:04
+0:04
Half
13.11 mi11:57:041:31:306:594:50
7:05
+0:01
25K
15.53 mi12:14:381:49:047:0117:34
7:15
+0:10
30K
18.64 mi12:38:122:12:387:0723:34
7:35
+0:20
20M
20.00 mi12:48:472:23:137:1010:35
7:47
+0:12
21M
21.00 mi12:57:042:31:307:138:17
8:17
+0:30
35K
21.75 mi13:02:332:36:597:135:29
7:20
-0:57
23M
23.00 mi13:12:272:46:537:159:54
7:54
+0:34
24M
24.00 mi13:20:042:54:307:167:37
7:37
-0:17
40K
24.85 mi13:26:363:01:027:176:32
7:38
+0:01
25.2M
25.20 mi13:29:183:03:447:172:42
7:50
+0:12
Finish
26.22 mi13:36:253:10:517:177:07
6:59
-0:51

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

6:50 /mi

Average Pace

7:17 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:37

52% of race

Time at Steady Pace

23:03

12% of race

Time at Slower Pace

1:09:11

36% of race

Average Pace: 7:17 /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 mi10:46:4921:156:5021:15
6:50
#6624
10K
6.21 mi11:08:3142:576:5521:42
6:59
#7241
15K
9.32 mi11:30:161:04:426:5621:45
7:00
#7383
20K
12.43 mi11:52:141:26:406:5821:58
7:04
#7323
Half
13.11 mi11:57:041:31:306:594:50
7:05
#7345
25K
15.53 mi12:14:381:49:047:0117:34
7:15
#7395
30K
18.64 mi12:38:122:12:387:0723:34
7:35
#7442
20M
20.00 mi12:48:472:23:137:1010:35
7:47
#7458
21M
21.00 mi12:57:042:31:307:138:17
8:17
#7481
35K
21.75 mi13:02:332:36:597:135:29
7:20
#7435
23M
23.00 mi13:12:272:46:537:159:54
7:54
#7497
24M
24.00 mi13:20:042:54:307:167:37
7:37
#7497
40K
24.85 mi13:26:363:01:027:176:32
7:38
#7451
25.2M
25.20 mi13:29:183:03:447:172:42
7:50
#7386
Finish
26.22 mi13:36:253:10:517:177:07
6:59
#7287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6624601360137629(Top 27%)6700(Top 42%)6700(Top 298%)
10K6.21 mi3.10 mi7241-6176470-4576470-4577817(Top 28%)6849(Top 43%)6849(Top 305%)
15K9.32 mi3.11 mi7383-1426563-936563-937629(Top 27%)6700(Top 42%)6700(Top 298%)
20K12.43 mi3.11 mi7323+606508+556508+557322(Top 26%)6438(Top 40%)6438(Top 287%)
Half13.11 mi0.68 mi7345-226518-106518-108110(Top 29%)6949(Top 43%)6949(Top 309%)
25K15.53 mi2.42 mi7395-506541-236541-237933(Top 28%)6718(Top 42%)6718(Top 299%)
30K18.64 mi3.11 mi7442-476525+166525+168326(Top 29%)6778(Top 42%)6778(Top 302%)
20M20.00 mi1.36 mi7458-166497+286497+288917(Top 31%)6941(Top 43%)6941(Top 309%)
21M21.00 mi1.00 mi7481-236476+216476+219079(Top 32%)6847(Top 43%)6847(Top 305%)
35K21.75 mi0.75 mi7435+466419+576419+577373(Top 26%)5907(Top 37%)5907(Top 263%)
23M23.00 mi1.25 mi7497-626423-46423-49308(Top 33%)6865(Top 43%)6865(Top 306%)
24M24.00 mi1.00 mi74976384+396384+398490(Top 30%)6366(Top 40%)6366(Top 283%)
40K24.85 mi0.85 mi7451+466320+646320+647667(Top 27%)5805(Top 36%)5805(Top 258%)
25.2M25.20 mi0.35 mi7386+656270+506270+504990(Top 18%)4107(Top 26%)4107(Top 183%)
Finish26.22 mi1.02 mi7287+996184+866184+865612(Top 20%)4483(Top 28%)4483(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7629

Males

6700

M40-44

6700

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7817

Males

6849

M40-44

6849

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7629

Males

6700

M40-44

6700

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7322

Males

6438

M40-44

6438

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8110

Males

6949

M40-44

6949

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7933

Males

6718

M40-44

6718

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8326

Males

6778

M40-44

6778

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8917

Males

6941

M40-44

6941

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9079

Males

6847

M40-44

6847

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7373

Males

5907

M40-44

5907

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9308

Males

6865

M40-44

6865

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8490

Males

6366

M40-44

6366

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7667

Males

5805

M40-44

5805

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4990

Males

4107

M40-44

4107

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5612

Males

4483

M40-44

4483

Passing Analysis

Category:
Athletes Passed
1247
Passed By
1910
Net Change
-663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6624
5K → 10K46663-617#6624#7241
10K → 15K94236-142#7241#7383
15K → 20K15090+60#7383#7323
20K → Half1840-22#7323#7345
Half → 25K93143-50#7345#7395
25K → 30K158205-47#7395#7442
30K → 20M104120-16#7442#7458
20M → 21M80103-23#7458#7481
21M → 35K7428+46#7481#7435
35K → 23M77139-62#7435#7497
23M → 24M77770#7497#7497
24M → 40K9246+46#7497#7451
40K → 25.2M661+65#7451#7386
25.2M → Finish11819+99#7386#7287
TOTALS12471910-663
📊

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