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BOSTON MARATHON 2025

Kemp Bassett

Bib: 28245•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
21:39
Rank: #7578
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
42:43
Rank: #6974 (+604)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:05:08
Rank: #7678 (-704)
10K → 15K
22:25 | 7:13/mi
20K· 12.43 mi
1:28:54
Rank: #8579 (-901)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:34:05
Rank: #8765 (-186)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:53:33
Rank: #9658 (-893)
Half → 25K
19:28 | 8:02/mi
30K· 18.64 mi
2:20:43
Rank: #11017 (-1359)
25K → 30K
27:10 | 8:45/mi
20M
2:32:47
Rank: #11401 (-384)
30K → 20M
12:04 | 8:53/mi
21M
2:43:30
Rank: #12186 (-785)
20M → 21M
10:43 | 10:43/mi
35K· 21.75 mi
2:50:50
Rank: #12661 (-475)
21M → 35K
7:20 | 9:48/mi
23M
3:03:28
Rank: #13347 (-686)
35K → 23M
12:38 | 10:05/mi
24M
3:12:55
Rank: #13708 (-361)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:22:54
Rank: #14478 (-770)
24M → 40K
9:59 | 11:41/mi
25.2M
3:26:07
Rank: #14448 (+30)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:34:54
Rank: #14543 (-95)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time2:00:49
Pace9:13 /mi
📊Positive Split: 28.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0521:396:5821:39
6:58
-
10K
6.21 mi12:01:0942:436:5221:04
6:47
-0:11
15K
9.32 mi12:23:341:05:086:5922:25
7:13
+0:26
20K
12.43 mi12:47:201:28:547:0923:46
7:39
+0:26
Half
13.11 mi12:52:311:34:057:115:11
7:36
-0:03
25K
15.53 mi13:11:591:53:337:1919:28
8:02
+0:26
30K
18.64 mi13:39:092:20:437:3327:10
8:45
+0:43
20M
20.00 mi13:51:132:32:477:3812:04
8:53
+0:08
21M
21.00 mi14:01:562:43:307:4710:43
10:43
+1:50
35K
21.75 mi14:09:162:50:507:517:20
9:48
-0:55
23M
23.00 mi14:21:543:03:287:5912:38
10:05
+0:17
24M
24.00 mi14:31:213:12:558:029:27
9:27
-0:38
40K
24.85 mi14:41:203:22:548:109:59
11:41
+2:14
25.2M
25.20 mi14:44:333:26:078:113:13
9:20
-2:21
Finish
26.22 mi14:53:203:34:548:128:47
8:37
-0:43

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

6:47 /mi

Average Pace

8:12 /mi

Slowest Pace

11:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:33

53% of race

Time at Steady Pace

51:14

24% of race

Time at Slower Pace

50:07

23% of race

Average Pace: 8:12 /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 mi11:40:0521:396:5821:39
6:58
#7578
10K
6.21 mi12:01:0942:436:5221:04
6:47
#6974
15K
9.32 mi12:23:341:05:086:5922:25
7:13
#7678
20K
12.43 mi12:47:201:28:547:0923:46
7:39
#8579
Half
13.11 mi12:52:311:34:057:115:11
7:36
#8765
25K
15.53 mi13:11:591:53:337:1919:28
8:02
#9658
30K
18.64 mi13:39:092:20:437:3327:10
8:45
#11017
20M
20.00 mi13:51:132:32:477:3812:04
8:53
#11401
21M
21.00 mi14:01:562:43:307:4710:43
10:43
#12186
35K
21.75 mi14:09:162:50:507:517:20
9:48
#12661
23M
23.00 mi14:21:543:03:287:5912:38
10:05
#13347
24M
24.00 mi14:31:213:12:558:029:27
9:27
#13708
40K
24.85 mi14:41:203:22:548:109:59
11:41
#14478
25.2M
25.20 mi14:44:333:26:078:113:13
9:20
#14448
Finish
26.22 mi14:53:203:34:548:128:47
8:37
#14543
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7578673367339255(Top 33%)7690(Top 48%)7690(Top 136%)
10K6.21 mi3.10 mi6974+6046277+4566277+4566198(Top 22%)5650(Top 35%)5650(Top 100%)
15K9.32 mi3.11 mi7678-7046761-4846761-4849255(Top 33%)7690(Top 48%)7690(Top 136%)
20K12.43 mi3.11 mi8579-9017313-5527313-55211947(Top 42%)8954(Top 56%)8954(Top 159%)
Half13.11 mi0.68 mi8765-1867416-1037416-10312533(Top 44%)9263(Top 58%)9263(Top 164%)
25K15.53 mi2.42 mi9658-8937884-4687884-46814114(Top 50%)9819(Top 61%)9819(Top 174%)
30K18.64 mi3.11 mi11017-13598510-6268510-62616242(Top 57%)10588(Top 66%)10588(Top 188%)
20M20.00 mi1.36 mi11401-3848651-1418651-14116087(Top 57%)10399(Top 65%)10399(Top 184%)
21M21.00 mi1.00 mi12186-7858983-3328983-33220627(Top 73%)12311(Top 76%)12311(Top 218%)
35K21.75 mi0.75 mi12661-4759179-1969179-19621313(Top 75%)12575(Top 78%)12575(Top 223%)
23M23.00 mi1.25 mi13347-6869446-2679446-26720761(Top 73%)12270(Top 76%)12270(Top 217%)
24M24.00 mi1.00 mi13708-3619577-1319577-13119411(Top 68%)11583(Top 72%)11583(Top 205%)
40K24.85 mi0.85 mi14478-7709903-3269903-32624430(Top 86%)13980(Top 87%)13980(Top 248%)
25.2M25.20 mi0.35 mi14448+309875+289875+2813565(Top 48%)8735(Top 54%)8735(Top 155%)
Finish26.22 mi1.02 mi14543-959880-59880-516937(Top 60%)10361(Top 64%)10361(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9255

Males

7690

M18-39

7690

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6198

Males

5650

M18-39

5650

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9255

Males

7690

M18-39

7690

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11947

Males

8954

M18-39

8954

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12533

Males

9263

M18-39

9263

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14114

Males

9819

M18-39

9819

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16242

Males

10588

M18-39

10588

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16087

Males

10399

M18-39

10399

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20627

Males

12311

M18-39

12311

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21313

Males

12575

M18-39

12575

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20761

Males

12270

M18-39

12270

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19411

Males

11583

M18-39

11583

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24430

Males

13980

M18-39

13980

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13565

Males

8735

M18-39

8735

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16937

Males

10361

M18-39

10361

Passing Analysis

Category:
Athletes Passed
974
Passed By
7937
Net Change
-6965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7578
5K → 10K63228+604#7578#6974
10K → 15K22726-704#6974#7678
15K → 20K31932-901#7678#8579
20K → Half7193-186#8579#8765
Half → 25K31924-893#8765#9658
25K → 30K321389-1359#9658#11017
30K → 20M50434-384#11017#11401
20M → 21M12797-785#11401#12186
21M → 35K14489-475#12186#12661
35K → 23M19705-686#12661#13347
23M → 24M22383-361#13347#13708
24M → 40K6776-770#13708#14478
40K → 25.2M4414+30#14478#14448
25.2M → Finish52147-95#14448#14543
TOTALS9747937-6965
📊

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