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BOSTON MARATHON 2023

Jake Kampner

Bib: 29549•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 50%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:40
Rank: #13561
Start → 5K
24:40 | 7:56/mi
10K· 6.21 mi
47:34
Rank: #11381 (+2180)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:10:37
Rank: #10721 (+660)
10K → 15K
23:03 | 7:25/mi
20K· 12.43 mi
1:33:42
Rank: #10184 (+537)
15K → 20K
23:05 | 7:26/mi
Half· 13.11 mi
1:38:39
Rank: #10047 (+137)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:57:00
Rank: #9899 (+148)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:21:07
Rank: #9731 (+168)
25K → 30K
24:07 | 7:46/mi
20M
2:31:44
Rank: #9642 (+89)
30K → 20M
10:37 | 7:49/mi
21M
2:39:55
Rank: #9552 (+90)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:45:31
Rank: #9495 (+57)
21M → 35K
5:36 | 7:29/mi
23M
2:55:32
Rank: #9458 (+37)
35K → 23M
10:01 | 8:00/mi
24M
3:03:25
Rank: #9496 (-38)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:10:32
Rank: #9547 (-51)
24M → 40K
7:07 | 8:19/mi
25.2M
3:13:19
Rank: #9491 (+56)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:20:47
Rank: #9395 (+96)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:39
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:42:08
Pace7:47 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0724:407:5624:40
7:56
-
10K
6.21 mi12:06:0147:347:3922:54
7:22
-0:34
15K
9.32 mi12:29:041:10:377:3523:03
7:25
+0:03
20K
12.43 mi12:52:091:33:427:3223:05
7:26
+0:01
Half
13.11 mi12:57:061:38:397:314:57
7:15
-0:11
25K
15.53 mi13:15:271:57:007:3218:21
7:34
+0:19
30K
18.64 mi13:39:342:21:077:3424:07
7:46
+0:12
20M
20.00 mi13:50:112:31:447:3510:37
7:49
+0:03
21M
21.00 mi13:58:222:39:557:378:11
8:11
+0:22
35K
21.75 mi14:03:582:45:317:375:36
7:29
-0:42
23M
23.00 mi14:13:592:55:327:3810:01
8:00
+0:31
24M
24.00 mi14:21:523:03:257:397:53
7:53
-0:07
40K
24.85 mi14:28:593:10:327:407:07
8:19
+0:26
25.2M
25.20 mi14:31:463:13:197:402:47
8:04
-0:15
Finish
26.22 mi14:39:143:20:477:407:28
7:20
-0:44

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

7:15 /mi

Average Pace

7:40 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:41

86% of race

Time at Steady Pace

28:06

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:39 /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 mi11:43:0724:407:5624:40
7:56
#13561
10K
6.21 mi12:06:0147:347:3922:54
7:22
#11381
15K
9.32 mi12:29:041:10:377:3523:03
7:25
#10721
20K
12.43 mi12:52:091:33:427:3223:05
7:26
#10184
Half
13.11 mi12:57:061:38:397:314:57
7:15
#10047
25K
15.53 mi13:15:271:57:007:3218:21
7:34
#9899
30K
18.64 mi13:39:342:21:077:3424:07
7:46
#9731
20M
20.00 mi13:50:112:31:447:3510:37
7:49
#9642
21M
21.00 mi13:58:222:39:557:378:11
8:11
#9552
35K
21.75 mi14:03:582:45:317:375:36
7:29
#9495
23M
23.00 mi14:13:592:55:327:3810:01
8:00
#9458
24M
24.00 mi14:21:523:03:257:397:53
7:53
#9496
40K
24.85 mi14:28:593:10:327:407:07
8:19
#9547
25.2M
25.20 mi14:31:463:13:197:402:47
8:04
#9491
Finish
26.22 mi14:39:143:20:477:407:28
7:20
#9395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13561978197819499(Top 36%)7868(Top 52%)7868(Top 149%)
10K6.21 mi3.10 mi11381+21808828+9538828+9539383(Top 35%)7793(Top 51%)7793(Top 147%)
15K9.32 mi3.11 mi10721+6608524+3048524+3049499(Top 36%)7868(Top 52%)7868(Top 149%)
20K12.43 mi3.11 mi10184+5378252+2728252+2728747(Top 33%)7347(Top 48%)7347(Top 139%)
Half13.11 mi0.68 mi10047+1378178+748178+748250(Top 31%)7064(Top 47%)7064(Top 134%)
25K15.53 mi2.42 mi9899+1488074+1048074+1049287(Top 35%)7602(Top 50%)7602(Top 144%)
30K18.64 mi3.11 mi9731+1687946+1287946+1289063(Top 34%)7323(Top 48%)7323(Top 139%)
20M20.00 mi1.36 mi9642+897859+877859+878948(Top 34%)7162(Top 47%)7162(Top 136%)
21M21.00 mi1.00 mi9552+907790+697790+698520(Top 32%)6787(Top 45%)6787(Top 128%)
35K21.75 mi0.75 mi9495+577737+537737+538442(Top 32%)6773(Top 45%)6773(Top 128%)
23M23.00 mi1.25 mi9458+377697+407697+409719(Top 37%)7342(Top 48%)7342(Top 139%)
24M24.00 mi1.00 mi9496-387692+57692+510382(Top 39%)7591(Top 50%)7591(Top 144%)
40K24.85 mi0.85 mi9547-517690+27690+212168(Top 46%)8378(Top 55%)8378(Top 159%)
25.2M25.20 mi0.35 mi9491+567643+477643+476906(Top 26%)5538(Top 36%)5538(Top 105%)
Finish26.22 mi1.02 mi9395+967566+777566+777300(Top 27%)5755(Top 38%)5755(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9499

Males

7868

M18-39

7868

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9383

Males

7793

M18-39

7793

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9499

Males

7868

M18-39

7868

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8747

Males

7347

M18-39

7347

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8250

Males

7064

M18-39

7064

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9287

Males

7602

M18-39

7602

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9063

Males

7323

M18-39

7323

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8948

Males

7162

M18-39

7162

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8520

Males

6787

M18-39

6787

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8442

Males

6773

M18-39

6773

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9719

Males

7342

M18-39

7342

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10382

Males

7591

M18-39

7591

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12168

Males

8378

M18-39

8378

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6906

Males

5538

M18-39

5538

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7300

Males

5755

M18-39

5755

Passing Analysis

Category:
Athletes Passed
4689*
Passed By
523
Net Change
+4166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13561
5K → 10K219010+2180#13561#11381
10K → 15K67717+660#11381#10721
15K → 20K543*6+537#10721#10184
20K → Half138*1+137#10184#10047
Half → 25K191*43+148#10047#9899
25K → 30K243*75+168#9899#9731
30K → 20M13243+89#9731#9642
20M → 21M11828+90#9642#9552
21M → 35K7619+57#9552#9495
35K → 23M10164+37#9495#9458
23M → 24M5492-38#9458#9496
24M → 40K43*94-51#9496#9547
40K → 25.2M604+56#9547#9491
25.2M → Finish12327+96#9491#9395
TOTALS4689*523+4166

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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