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BOSTON MARATHON 2025

Stephen Kennedy

Bib: 4506•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M45-49)
#0 / 2386
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #2261
Start → 5K
6:16/mi
19:29 split
10K· 6.21 mi
39:13
Rank: #2501 (-240)
5K → 10K
6:21/mi
19:44 split
15K· 9.32 mi
59:08
Rank: #2665 (-164)
10K → 15K
6:25/mi
19:55 split
20K· 12.43 mi
1:19:21
Rank: #2771 (-106)
15K → 20K
6:30/mi
20:13 split
Half· 13.11 mi
1:23:45
Rank: #2800 (-29)
20K → Half
6:27/mi
4:24 split
25K· 15.53 mi
1:39:36
Rank: #2816 (-16)
Half → 25K
6:32/mi
15:51 split
30K· 18.64 mi
2:00:18
Rank: #2741 (+75)
25K → 30K
6:40/mi
20:42 split
20M
2:09:27
Rank: #2713 (+28)
30K → 20M
6:44/mi
9:09 split
21M
2:16:31
Rank: #2677 (+36)
20M → 21M
7:04/mi
7:04 split
35K· 21.75 mi
2:21:25
Rank: #2664 (+13)
21M → 35K
6:33/mi
4:54 split
23M
2:29:56
Rank: #2622 (+42)
35K → 23M
6:48/mi
8:31 split
24M
2:36:32
Rank: #2582 (+40)
23M → 24M
6:36/mi
6:36 split
40K· 24.85 mi
2:42:18
Rank: #2552 (+30)
24M → 40K
6:45/mi
5:46 split
25.2M
2:44:49
Rank: #2537 (+15)
40K → 25.2M
7:18/mi
2:31 split
Finish· 26.22 mi
2:51:17
Rank: #2489 (+48)
25.2M → Finish
6:21/mi
6:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:45
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4719:296:1619:29
6:16
-
10K
6.21 mi10:42:3139:136:1919:44
6:21
+0:05
15K
9.32 mi11:02:2659:086:2119:55
6:25
+0:04
20K
12.43 mi11:22:391:19:216:2320:13
6:30
+0:05
Half
13.11 mi11:27:031:23:456:234:24
6:27
-0:03
25K
15.53 mi11:42:541:39:366:2515:51
6:32
+0:05
30K
18.64 mi12:03:362:00:186:2720:42
6:40
+0:08
20M
20.00 mi12:12:452:09:276:289:09
6:44
+0:04
21M
21.00 mi12:19:492:16:316:307:04
7:04
+0:20
35K
21.75 mi12:24:432:21:256:304:54
6:33
-0:31
23M
23.00 mi12:33:142:29:566:318:31
6:48
+0:15
24M
24.00 mi12:39:502:36:326:316:36
6:36
-0:12
40K
24.85 mi12:45:362:42:186:325:46
6:45
+0:09
25.2M
25.20 mi12:48:072:44:496:322:31
7:18
+0:33
Finish
26.22 mi12:54:352:51:176:326:28
6:21
-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

6:16 /mi

Average Pace

6:32 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:42

94% of race

Time at Steady Pace

9:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:22:4719:296:1619:29
6:16
#2261
10K
6.21 mi10:42:3139:136:1919:44
6:21
#2501
15K
9.32 mi11:02:2659:086:2119:55
6:25
#2665
20K
12.43 mi11:22:391:19:216:2320:13
6:30
#2771
Half
13.11 mi11:27:031:23:456:234:24
6:27
#2800
25K
15.53 mi11:42:541:39:366:2515:51
6:32
#2816
30K
18.64 mi12:03:362:00:186:2720:42
6:40
#2741
20M
20.00 mi12:12:452:09:276:289:09
6:44
#2713
21M
21.00 mi12:19:492:16:316:307:04
7:04
#2677
35K
21.75 mi12:24:432:21:256:304:54
6:33
#2664
23M
23.00 mi12:33:142:29:566:318:31
6:48
#2622
24M
24.00 mi12:39:502:36:326:316:36
6:36
#2582
40K
24.85 mi12:45:362:42:186:325:46
6:45
#2552
25.2M
25.20 mi12:48:072:44:496:322:31
7:18
#2537
Finish
26.22 mi12:54:352:51:176:326:28
6:21
#2489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2261216021603017(Top 11%)2876(Top 18%)2876(Top 121%)
10K6.21 mi3.10 mi2501-2402383-2232383-2232750(Top 10%)2620(Top 16%)2620(Top 110%)
15K9.32 mi3.11 mi2665-1642541-1582541-1583017(Top 11%)2876(Top 18%)2876(Top 121%)
20K12.43 mi3.11 mi2771-1062642-1012642-1013168(Top 11%)3008(Top 19%)3008(Top 126%)
Half13.11 mi0.68 mi2800-292670-282670-283381(Top 12%)3207(Top 20%)3207(Top 134%)
25K15.53 mi2.42 mi2816-162687-172687-173081(Top 11%)2922(Top 18%)2922(Top 122%)
30K18.64 mi3.11 mi2741+752613+742613+742704(Top 10%)2558(Top 16%)2558(Top 107%)
20M20.00 mi1.36 mi2713+282583+302583+302628(Top 9%)2470(Top 15%)2470(Top 104%)
21M21.00 mi1.00 mi2677+362549+342549+342550(Top 9%)2376(Top 15%)2376(Top 100%)
35K21.75 mi0.75 mi2664+132537+122537+122736(Top 10%)2534(Top 16%)2534(Top 106%)
23M23.00 mi1.25 mi2622+422492+452492+452726(Top 10%)2509(Top 16%)2509(Top 105%)
24M24.00 mi1.00 mi2582+402449+432449+432503(Top 9%)2307(Top 14%)2307(Top 97%)
40K24.85 mi0.85 mi2552+302420+292420+292598(Top 9%)2366(Top 15%)2366(Top 99%)
25.2M25.20 mi0.35 mi2537+152405+152405+152552(Top 9%)2286(Top 14%)2286(Top 96%)
Finish26.22 mi1.02 mi2489+482359+462359+462092(Top 7%)1919(Top 12%)1919(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3017

Males

2876

M45-49

2876

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2750

Males

2620

M45-49

2620

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3017

Males

2876

M45-49

2876

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3168

Males

3008

M45-49

3008

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3381

Males

3207

M45-49

3207

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3081

Males

2922

M45-49

2922

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2704

Males

2558

M45-49

2558

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2628

Males

2470

M45-49

2470

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2550

Males

2376

M45-49

2376

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2736

Males

2534

M45-49

2534

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2726

Males

2509

M45-49

2509

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2503

Males

2307

M45-49

2307

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2598

Males

2366

M45-49

2366

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2552

Males

2286

M45-49

2286

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2092

Males

1919

M45-49

1919

Passing Analysis

Category:
Athletes Passed
763
Passed By
991
Net Change
-228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2261
5K → 10K37277-240#2261#2501
10K → 15K44208-164#2501#2665
15K → 20K39145-106#2665#2771
20K → Half231-29#2771#2800
Half → 25K6480-16#2800#2816
25K → 30K14065+75#2816#2741
30K → 20M6941+28#2741#2713
20M → 21M7236+36#2713#2677
21M → 35K3421+13#2677#2664
35K → 23M6927+42#2664#2622
23M → 24M6222+40#2622#2582
24M → 40K4818+30#2582#2552
40K → 25.2M205+15#2552#2537
25.2M → Finish6315+48#2537#2489
TOTALS763991-228
📊

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