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BOSTON MARATHON 2023

Shane Kronstedt

Bib: 26426•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
26:34
Rank: #17907
Start → 5K
26:34 | 8:33/mi
10K· 6.21 mi
52:45
Rank: #17836 (+71)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:19:55
Rank: #18320 (-484)
10K → 15K
27:10 | 8:45/mi
20K· 12.43 mi
1:46:05
Rank: #17797 (+523)
15K → 20K
26:10 | 8:25/mi
Half· 13.11 mi
1:51:45
Rank: #17700 (+97)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:12:49
Rank: #17626 (+74)
Half → 25K
21:04 | 8:41/mi
30K· 18.64 mi
2:40:41
Rank: #17484 (+142)
25K → 30K
27:52 | 8:58/mi
20M
2:53:35
Rank: #17600 (-116)
30K → 20M
12:54 | 9:30/mi
21M
3:03:10
Rank: #17508 (+92)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:09:30
Rank: #17426 (+82)
21M → 35K
6:20 | 8:28/mi
23M
3:20:36
Rank: #17292 (+134)
35K → 23M
11:06 | 8:52/mi
24M
3:29:21
Rank: #17237 (+55)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:36:43
Rank: #17104 (+133)
24M → 40K
7:22 | 8:37/mi
25.2M
3:39:46
Rank: #17030 (+74)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:47:29
Rank: #16741 (+289)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:45
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:55:44
Pace8:50 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5526:348:3326:34
8:33
-
10K
6.21 mi12:09:0652:458:2926:11
8:26
-0:07
15K
9.32 mi12:36:161:19:558:3427:10
8:45
+0:19
20K
12.43 mi13:02:261:46:058:3226:10
8:25
-0:20
Half
13.11 mi13:08:061:51:458:315:40
8:18
-0:07
25K
15.53 mi13:29:102:12:498:3321:04
8:41
+0:23
30K
18.64 mi13:57:022:40:418:3727:52
8:58
+0:17
20M
20.00 mi14:09:562:53:358:4112:54
9:30
+0:32
21M
21.00 mi14:19:313:03:108:439:35
9:35
+0:05
35K
21.75 mi14:25:513:09:308:436:20
8:28
-1:07
23M
23.00 mi14:36:573:20:368:4311:06
8:52
+0:24
24M
24.00 mi14:45:423:29:218:438:45
8:45
-0:07
40K
24.85 mi14:53:043:36:438:437:22
8:37
-0:08
25.2M
25.20 mi14:56:073:39:468:433:03
8:51
+0:14
Finish
26.22 mi15:03:503:47:298:417:43
7:34
-1:17

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

7:34 /mi

Average Pace

8:41 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:44

29% of race

Time at Steady Pace

1:51:24

49% of race

Time at Slower Pace

50:21

22% of race

Average Pace: 8:41 /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 mi11:42:5526:348:3326:34
8:33
#17907
10K
6.21 mi12:09:0652:458:2926:11
8:26
#17836
15K
9.32 mi12:36:161:19:558:3427:10
8:45
#18320
20K
12.43 mi13:02:261:46:058:3226:10
8:25
#17797
Half
13.11 mi13:08:061:51:458:315:40
8:18
#17700
25K
15.53 mi13:29:102:12:498:3321:04
8:41
#17626
30K
18.64 mi13:57:022:40:418:3727:52
8:58
#17484
20M
20.00 mi14:09:562:53:358:4112:54
9:30
#17600
21M
21.00 mi14:19:313:03:108:439:35
9:35
#17508
35K
21.75 mi14:25:513:09:308:436:20
8:28
#17426
23M
23.00 mi14:36:573:20:368:4311:06
8:52
#17292
24M
24.00 mi14:45:423:29:218:438:45
8:45
#17237
40K
24.85 mi14:53:043:36:438:437:22
8:37
#17104
25.2M
25.20 mi14:56:073:39:468:433:03
8:51
#17030
Finish
26.22 mi15:03:503:47:298:417:43
7:34
#16741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17907113961139619194(Top 72%)11957(Top 79%)11957(Top 226%)
10K6.21 mi3.10 mi17836+7111389+711389+717759(Top 67%)11391(Top 75%)11391(Top 216%)
15K9.32 mi3.11 mi18320-48411596-20711596-20719194(Top 72%)11957(Top 79%)11957(Top 226%)
20K12.43 mi3.11 mi17797+52311374+22211374+22216373(Top 62%)10780(Top 71%)10780(Top 204%)
Half13.11 mi0.68 mi17700+9711333+4111333+4116480(Top 62%)10872(Top 72%)10872(Top 206%)
25K15.53 mi2.42 mi17626+7411294+3911294+3917302(Top 65%)11107(Top 73%)11107(Top 210%)
30K18.64 mi3.11 mi17484+14211219+7511219+7516996(Top 64%)10914(Top 72%)10914(Top 207%)
20M20.00 mi1.36 mi17600-11611250-3111250-3118816(Top 71%)11591(Top 76%)11591(Top 219%)
21M21.00 mi1.00 mi17508+9211187+6311187+6316338(Top 61%)10500(Top 69%)10500(Top 199%)
35K21.75 mi0.75 mi17426+8211144+4311144+4315092(Top 57%)9918(Top 65%)9918(Top 188%)
23M23.00 mi1.25 mi17292+13411080+6411080+6415346(Top 58%)9962(Top 66%)9962(Top 188%)
24M24.00 mi1.00 mi17237+5511047+3311047+3315919(Top 60%)10137(Top 67%)10137(Top 192%)
40K24.85 mi0.85 mi17104+13310965+8210965+8214043(Top 53%)9265(Top 61%)9265(Top 175%)
25.2M25.20 mi0.35 mi17030+7410927+3810927+3811573(Top 43%)8087(Top 53%)8087(Top 153%)
Finish26.22 mi1.02 mi16741+28910794+13310794+1339101(Top 34%)6818(Top 45%)6818(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19194

Males

11957

M18-39

11957

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17759

Males

11391

M18-39

11391

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19194

Males

11957

M18-39

11957

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16373

Males

10780

M18-39

10780

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16480

Males

10872

M18-39

10872

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17302

Males

11107

M18-39

11107

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16996

Males

10914

M18-39

10914

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18816

Males

11591

M18-39

11591

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16338

Males

10500

M18-39

10500

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15092

Males

9918

M18-39

9918

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15346

Males

9962

M18-39

9962

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15919

Males

10137

M18-39

10137

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14043

Males

9265

M18-39

9265

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11573

Males

8087

M18-39

8087

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9101

Males

6818

M18-39

6818

Passing Analysis

Category:
Athletes Passed
2492
Passed By
1326
Net Change
+1166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17907
5K → 10K348277+71#17907#17836
10K → 15K67551-484#17836#18320
15K → 20K53815+523#18320#17797
20K → Half1014+97#17797#17700
Half → 25K15278+74#17700#17626
25K → 30K24199+142#17626#17484
30K → 20M52168-116#17484#17600
20M → 21M13846+92#17600#17508
21M → 35K9311+82#17508#17426
35K → 23M15824+134#17426#17292
23M → 24M9742+55#17292#17237
24M → 40K1407+133#17237#17104
40K → 25.2M784+74#17104#17030
25.2M → Finish2890+289#17030#16741
TOTALS24921326+1166
📊

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