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BOSTON MARATHON 2025

Scott Kelley

Bib: 28279•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:38
Rank: #20314
Start → 5K
26:38 | 8:34/mi
10K· 6.21 mi
52:53
Rank: #19906 (+408)
5K → 10K
26:15 | 8:27/mi
15K· 9.32 mi
1:19:25
Rank: #19800 (+106)
10K → 15K
26:32 | 8:32/mi
20K· 12.43 mi
1:46:39
Rank: #19777 (+23)
15K → 20K
27:14 | 8:46/mi
Half· 13.11 mi
1:52:45
Rank: #19869 (-92)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:16:06
Rank: #20415 (-546)
Half → 25K
23:21 | 9:38/mi
30K· 18.64 mi
2:52:35
Rank: #22007 (-1592)
25K → 30K
36:29 | 11:45/mi
20M
3:08:32
Rank: #22332 (-325)
30K → 20M
15:57 | 11:44/mi
21M
3:21:20
Rank: #22522 (-190)
20M → 21M
12:48 | 12:48/mi
35K· 21.75 mi
3:31:36
Rank: #22880 (-358)
21M → 35K
10:16 | 13:43/mi
23M
3:47:40
Rank: #23198 (-318)
35K → 23M
16:04 | 12:50/mi
24M
4:00:09
Rank: #23407 (-209)
23M → 24M
12:29 | 12:29/mi
40K· 24.85 mi
4:10:26
Rank: #23495 (-88)
24M → 40K
10:17 | 12:02/mi
25.2M
4:14:37
Rank: #23490 (+5)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:24:29
Rank: #23442 (+48)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:45
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:31:44
Pace11:34 /mi
📊Positive Split: 34.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1726:388:3426:38
8:34
-
10K
6.21 mi12:10:3252:538:3126:15
8:27
-0:07
15K
9.32 mi12:37:041:19:258:3126:32
8:32
+0:05
20K
12.43 mi13:04:181:46:398:3527:14
8:46
+0:14
Half
13.11 mi13:10:241:52:458:366:06
8:56
+0:10
25K
15.53 mi13:33:452:16:068:4623:21
9:38
+0:42
30K
18.64 mi14:10:142:52:359:1536:29
11:45
+2:07
20M
20.00 mi14:26:113:08:329:2615:57
11:44
-0:01
21M
21.00 mi14:38:593:21:209:3512:48
12:48
+1:04
35K
21.75 mi14:49:153:31:369:4410:16
13:43
+0:55
23M
23.00 mi15:05:193:47:409:5416:04
12:50
-0:53
24M
24.00 mi15:17:484:00:0910:0012:29
12:29
-0:21
40K
24.85 mi15:28:054:10:2610:0510:17
12:02
-0:27
25.2M
25.20 mi15:32:164:14:3710:064:11
12:08
+0:06
Finish
26.22 mi15:42:084:24:2910:069:52
9:41
-2:27

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

8:27 /mi

Average Pace

10:06 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:58

55% of race

Time at Steady Pace

1:19:23

30% of race

Time at Slower Pace

39:08

15% of race

Average Pace: 10:05 /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 mi11:44:1726:388:3426:38
8:34
#20314
10K
6.21 mi12:10:3252:538:3126:15
8:27
#19906
15K
9.32 mi12:37:041:19:258:3126:32
8:32
#19800
20K
12.43 mi13:04:181:46:398:3527:14
8:46
#19777
Half
13.11 mi13:10:241:52:458:366:06
8:56
#19869
25K
15.53 mi13:33:452:16:068:4623:21
9:38
#20415
30K
18.64 mi14:10:142:52:359:1536:29
11:45
#22007
20M
20.00 mi14:26:113:08:329:2615:57
11:44
#22332
21M
21.00 mi14:38:593:21:209:3512:48
12:48
#22522
35K
21.75 mi14:49:153:31:369:4410:16
13:43
#22880
23M
23.00 mi15:05:193:47:409:5416:04
12:50
#23198
24M
24.00 mi15:17:484:00:0910:0012:29
12:29
#23407
40K
24.85 mi15:28:054:10:2610:0510:17
12:02
#23495
25.2M
25.20 mi15:32:164:14:3710:064:11
12:08
#23490
Finish
26.22 mi15:42:084:24:2910:069:52
9:41
#23442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20314125701257019573(Top 69%)12312(Top 76%)12312(Top 218%)
10K6.21 mi3.10 mi19906+40812434+13612434+13619504(Top 69%)12275(Top 76%)12275(Top 218%)
15K9.32 mi3.11 mi19800+10612397+3712397+3719573(Top 69%)12312(Top 76%)12312(Top 218%)
20K12.43 mi3.11 mi19777+2312372+2512372+2519767(Top 70%)12363(Top 77%)12363(Top 219%)
Half13.11 mi0.68 mi19869-9212413-4112413-4121563(Top 76%)13167(Top 82%)13167(Top 233%)
25K15.53 mi2.42 mi20415-54612639-22612639-22622291(Top 78%)13425(Top 83%)13425(Top 238%)
30K18.64 mi3.11 mi22007-159213320-68113320-68125207(Top 89%)14628(Top 91%)14628(Top 259%)
20M20.00 mi1.36 mi22332-32513437-11713437-11724895(Top 88%)14414(Top 90%)14414(Top 255%)
21M21.00 mi1.00 mi22522-19013502-6513502-6524785(Top 87%)14261(Top 89%)14261(Top 253%)
35K21.75 mi0.75 mi22880-35813647-14513647-14527519(Top 97%)15581(Top 97%)15581(Top 276%)
23M23.00 mi1.25 mi23198-31813763-11613763-11626192(Top 92%)14932(Top 93%)14932(Top 265%)
24M24.00 mi1.00 mi23407-20913854-9113854-9126293(Top 93%)14960(Top 93%)14960(Top 265%)
40K24.85 mi0.85 mi23495-8813877-2313877-2324963(Top 88%)14243(Top 88%)14243(Top 252%)
25.2M25.20 mi0.35 mi23490+513861+1613861+1623491(Top 83%)13522(Top 84%)13522(Top 240%)
Finish26.22 mi1.02 mi23442+4813824+3713824+3721850(Top 77%)12714(Top 79%)12714(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19573

Males

12312

M18-39

12312

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19504

Males

12275

M18-39

12275

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19573

Males

12312

M18-39

12312

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19767

Males

12363

M18-39

12363

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21563

Males

13167

M18-39

13167

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22291

Males

13425

M18-39

13425

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25207

Males

14628

M18-39

14628

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24895

Males

14414

M18-39

14414

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24785

Males

14261

M18-39

14261

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27519

Males

15581

M18-39

15581

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26192

Males

14932

M18-39

14932

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26293

Males

14960

M18-39

14960

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24963

Males

14243

M18-39

14243

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23491

Males

13522

M18-39

13522

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21850

Males

12714

M18-39

12714

Passing Analysis

Category:
Athletes Passed
1307
Passed By
4435
Net Change
-3128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20314
5K → 10K545137+408#20314#19906
10K → 15K245139+106#19906#19800
15K → 20K209186+23#19800#19777
20K → Half9101-92#19777#19869
Half → 25K47593-546#19869#20415
25K → 30K241616-1592#20415#22007
30K → 20M30355-325#22007#22332
20M → 21M34224-190#22332#22522
21M → 35K6364-358#22522#22880
35K → 23M21339-318#22880#23198
23M → 24M12221-209#23198#23407
24M → 40K24112-88#23407#23495
40K → 25.2M3328+5#23495#23490
25.2M → Finish6820+48#23490#23442
TOTALS13074435-3128
📊

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