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BOSTON MARATHON 2025

David Kelly

Bib: 4309•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M45-49)
#0 / 2386
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #4815
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:06
Rank: #4615 (+200)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:01:51
Rank: #4675 (-60)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:22:31
Rank: #4472 (+203)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:26:58
Rank: #4439 (+33)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:43:14
Rank: #4330 (+109)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:04:48
Rank: #4280 (+50)
25K → 30K
21:34 | 6:56/mi
20M
2:14:33
Rank: #4327 (-47)
30K → 20M
9:45 | 7:10/mi
21M
2:22:13
Rank: #4387 (-60)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:27:35
Rank: #4444 (-57)
21M → 35K
5:22 | 7:10/mi
23M
2:36:57
Rank: #4571 (-127)
35K → 23M
9:22 | 7:29/mi
24M
2:44:03
Rank: #4588 (-17)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:50:15
Rank: #4621 (-33)
24M → 40K
6:12 | 7:15/mi
25.2M
2:52:55
Rank: #4615 (+6)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:59:37
Rank: #4569 (+46)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:39
Pace7:04 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3520:356:3820:35
6:38
-
10K
6.21 mi10:43:0641:066:3720:31
6:36
-0:02
15K
9.32 mi11:03:511:01:516:3820:45
6:41
+0:05
20K
12.43 mi11:24:311:22:316:3820:40
6:39
-0:02
Half
13.11 mi11:28:581:26:586:384:27
6:31
-0:08
25K
15.53 mi11:45:141:43:146:3916:16
6:43
+0:12
30K
18.64 mi12:06:482:04:486:4221:34
6:56
+0:13
20M
20.00 mi12:16:332:14:336:449:45
7:10
+0:14
21M
21.00 mi12:24:132:22:136:467:40
7:40
+0:30
35K
21.75 mi12:29:352:27:356:475:22
7:10
-0:30
23M
23.00 mi12:38:572:36:576:499:22
7:29
+0:19
24M
24.00 mi12:46:032:44:036:507:06
7:06
-0:23
40K
24.85 mi12:52:152:50:156:516:12
7:15
+0:09
25.2M
25.20 mi12:54:552:52:556:522:40
7:44
+0:29
Finish
26.22 mi13:01:372:59:376:516:42
6:34
-1:10

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

6:31 /mi

Average Pace

6:51 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:43

86% of race

Time at Steady Pace

23:14

13% of race

Time at Slower Pace

2:40

1% of race

Average Pace: 6:51 /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 mi10:22:3520:356:3820:35
6:38
#4815
10K
6.21 mi10:43:0641:066:3720:31
6:36
#4615
15K
9.32 mi11:03:511:01:516:3820:45
6:41
#4675
20K
12.43 mi11:24:311:22:316:3820:40
6:39
#4472
Half
13.11 mi11:28:581:26:586:384:27
6:31
#4439
25K
15.53 mi11:45:141:43:146:3916:16
6:43
#4330
30K
18.64 mi12:06:482:04:486:4221:34
6:56
#4280
20M
20.00 mi12:16:332:14:336:449:45
7:10
#4327
21M
21.00 mi12:24:132:22:136:467:40
7:40
#4387
35K
21.75 mi12:29:352:27:356:475:22
7:10
#4444
23M
23.00 mi12:38:572:36:576:499:22
7:29
#4571
24M
24.00 mi12:46:032:44:036:507:06
7:06
#4588
40K
24.85 mi12:52:152:50:156:516:12
7:15
#4621
25.2M
25.20 mi12:54:552:52:556:522:40
7:44
#4615
Finish
26.22 mi13:01:372:59:376:516:42
6:34
#4569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4815450845084890(Top 17%)4561(Top 28%)4561(Top 191%)
10K6.21 mi3.10 mi4615+2004330+1784330+1784512(Top 16%)4228(Top 26%)4228(Top 177%)
15K9.32 mi3.11 mi4675-604375-454375-454890(Top 17%)4561(Top 28%)4561(Top 191%)
20K12.43 mi3.11 mi4472+2034192+1834192+1834043(Top 14%)3798(Top 24%)3798(Top 159%)
Half13.11 mi0.68 mi4439+334164+284164+283885(Top 14%)3665(Top 23%)3665(Top 154%)
25K15.53 mi2.42 mi4330+1094060+1044060+1044224(Top 15%)3926(Top 24%)3926(Top 165%)
30K18.64 mi3.11 mi4280+504005+554005+554355(Top 15%)3990(Top 25%)3990(Top 167%)
20M20.00 mi1.36 mi4327-474041-364041-365072(Top 18%)4539(Top 28%)4539(Top 190%)
21M21.00 mi1.00 mi4387-604076-354076-355469(Top 19%)4715(Top 29%)4715(Top 198%)
35K21.75 mi0.75 mi4444-574121-454121-456427(Top 23%)5341(Top 33%)5341(Top 224%)
23M23.00 mi1.25 mi4571-1274217-964217-966515(Top 23%)5300(Top 33%)5300(Top 222%)
24M24.00 mi1.00 mi4588-174222-54222-55217(Top 18%)4407(Top 27%)4407(Top 185%)
40K24.85 mi0.85 mi4621-334245-234245-235369(Top 19%)4470(Top 28%)4470(Top 187%)
25.2M25.20 mi0.35 mi4615+64238+74238+74523(Top 16%)3801(Top 24%)3801(Top 159%)
Finish26.22 mi1.02 mi4569+464190+484190+483220(Top 11%)2852(Top 18%)2852(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4890

Males

4561

M45-49

4561

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4512

Males

4228

M45-49

4228

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4890

Males

4561

M45-49

4561

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4043

Males

3798

M45-49

3798

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3885

Males

3665

M45-49

3665

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4224

Males

3926

M45-49

3926

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4355

Males

3990

M45-49

3990

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5072

Males

4539

M45-49

4539

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5469

Males

4715

M45-49

4715

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6427

Males

5341

M45-49

5341

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6515

Males

5300

M45-49

5300

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5217

Males

4407

M45-49

4407

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5369

Males

4470

M45-49

4470

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4523

Males

3801

M45-49

3801

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3220

Males

2852

M45-49

2852

Passing Analysis

Category:
Athletes Passed
1331
Passed By
1085
Net Change
+246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4815
5K → 10K28282+200#4815#4615
10K → 15K92152-60#4615#4675
15K → 20K22825+203#4675#4472
20K → Half374+33#4472#4439
Half → 25K14738+109#4439#4330
25K → 30K168118+50#4330#4280
30K → 20M53100-47#4280#4327
20M → 21M52112-60#4327#4387
21M → 35K3289-57#4387#4444
35K → 23M40167-127#4444#4571
23M → 24M6077-17#4571#4588
24M → 40K4275-33#4588#4621
40K → 25.2M2822+6#4621#4615
25.2M → Finish7024+46#4615#4569
TOTALS13311085+246
📊

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