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BOSTON MARATHON 2023

Andrew Jenck

Bib: 3171•M

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:56
Rank: #1874
Start → 5K
19:56 | 6:25/mi
10K· 6.21 mi
39:09
Rank: #1570 (+304)
5K → 10K
19:13 | 6:11/mi
15K· 9.32 mi
58:31
Rank: #1483 (+87)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:56
Rank: #1388 (+95)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:22:07
Rank: #1362 (+26)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:16
Rank: #1317 (+45)
Half → 25K
15:09 | 6:15/mi
30K· 18.64 mi
1:59:32
Rank: #1786 (-469)
25K → 30K
22:16 | 7:10/mi
20M
2:08:11
Rank: #1702 (+84)
30K → 20M
8:39 | 6:22/mi
21M
2:14:47
Rank: #1639 (+63)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:19:24
Rank: #1609 (+30)
21M → 35K
4:37 | 6:10/mi
23M
2:27:31
Rank: #1578 (+31)
35K → 23M
8:07 | 6:29/mi
24M
2:33:41
Rank: #1522 (+56)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:39:05
Rank: #1482 (+40)
24M → 40K
5:24 | 6:19/mi
25.2M
2:41:25
Rank: #1473 (+9)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:47:38
Rank: #1428 (+45)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:07
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:31
Pace6:31 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1819:566:2519:56
6:25
-
10K
6.21 mi10:40:3139:096:1819:13
6:11
-0:14
15K
9.32 mi10:59:5358:316:1719:22
6:14
+0:03
20K
12.43 mi11:19:181:17:566:1619:25
6:15
+0:01
Half
13.11 mi11:23:291:22:076:164:11
6:08
-0:07
25K
15.53 mi11:38:381:37:166:1615:09
6:15
+0:07
30K
18.64 mi12:00:541:59:326:2522:16
7:10
+0:55
20M
20.00 mi12:09:332:08:116:258:39
6:22
-0:48
21M
21.00 mi12:16:092:14:476:256:36
6:36
+0:14
35K
21.75 mi12:20:462:19:246:254:37
6:10
-0:26
23M
23.00 mi12:28:532:27:316:258:07
6:29
+0:19
24M
24.00 mi12:35:032:33:416:246:10
6:10
-0:19
40K
24.85 mi12:40:272:39:056:245:24
6:19
+0:09
25.2M
25.20 mi12:42:472:41:256:242:20
6:46
+0:27
Finish
26.22 mi12:49:002:47:386:246:13
6:06
-0:40

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

6:06 /mi

Average Pace

6:24 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:02

85% of race

Time at Steady Pace

24:36

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:21:1819:566:2519:56
6:25
#1874
10K
6.21 mi10:40:3139:096:1819:13
6:11
#1570
15K
9.32 mi10:59:5358:316:1719:22
6:14
#1483
20K
12.43 mi11:19:181:17:566:1619:25
6:15
#1388
Half
13.11 mi11:23:291:22:076:164:11
6:08
#1362
25K
15.53 mi11:38:381:37:166:1615:09
6:15
#1317
30K
18.64 mi12:00:541:59:326:2522:16
7:10
#1786
20M
20.00 mi12:09:332:08:116:258:39
6:22
#1702
21M
21.00 mi12:16:092:14:476:256:36
6:36
#1639
35K
21.75 mi12:20:462:19:246:254:37
6:10
#1609
23M
23.00 mi12:28:532:27:316:258:07
6:29
#1578
24M
24.00 mi12:35:032:33:416:246:10
6:10
#1522
40K
24.85 mi12:40:272:39:056:245:24
6:19
#1482
25.2M
25.20 mi12:42:472:41:256:242:20
6:46
#1473
Finish
26.22 mi12:49:002:47:386:246:13
6:06
#1428
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1874178717871366(Top 5%)1300(Top 9%)1300(Top 25%)
10K6.21 mi3.10 mi1570+3041498+2891498+2891294(Top 5%)1231(Top 8%)1231(Top 23%)
15K9.32 mi3.11 mi1483+871414+841414+841366(Top 5%)1300(Top 9%)1300(Top 25%)
20K12.43 mi3.11 mi1388+951322+921322+921214(Top 5%)1161(Top 8%)1161(Top 22%)
Half13.11 mi0.68 mi1362+261298+241298+241129(Top 4%)1078(Top 7%)1078(Top 20%)
25K15.53 mi2.42 mi1317+451257+411257+411144(Top 4%)1091(Top 7%)1091(Top 21%)
30K18.64 mi3.11 mi1786-4691710-4531710-4535292(Top 20%)4827(Top 32%)4827(Top 91%)
20M20.00 mi1.36 mi1702+841628+821628+821044(Top 4%)1000(Top 7%)1000(Top 19%)
21M21.00 mi1.00 mi1639+631567+611567+61883(Top 3%)837(Top 6%)837(Top 16%)
35K21.75 mi0.75 mi1609+301538+291538+291166(Top 4%)1110(Top 7%)1110(Top 21%)
23M23.00 mi1.25 mi1578+311508+301508+301360(Top 5%)1289(Top 8%)1289(Top 24%)
24M24.00 mi1.00 mi1522+561453+551453+55925(Top 3%)876(Top 6%)876(Top 17%)
40K24.85 mi0.85 mi1482+401414+391414+39952(Top 4%)901(Top 6%)901(Top 17%)
25.2M25.20 mi0.35 mi1473+91406+81406+81059(Top 4%)1006(Top 7%)1006(Top 19%)
Finish26.22 mi1.02 mi1428+451361+451361+45980(Top 4%)934(Top 6%)934(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1366

Males

1300

M18-39

1300

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1294

Males

1231

M18-39

1231

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1366

Males

1300

M18-39

1300

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1214

Males

1161

M18-39

1161

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1129

Males

1078

M18-39

1078

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1144

Males

1091

M18-39

1091

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5292

Males

4827

M18-39

4827

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1044

Males

1000

M18-39

1000

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

883

Males

837

M18-39

837

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1166

Males

1110

M18-39

1110

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1360

Males

1289

M18-39

1289

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

925

Males

876

M18-39

876

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

952

Males

901

M18-39

901

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1059

Males

1006

M18-39

1006

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

980

Males

934

M18-39

934

Passing Analysis

Category:
Athletes Passed
1007
Passed By
561
Net Change
+446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1874
5K → 10K3128+304#1874#1570
10K → 15K10619+87#1570#1483
15K → 20K1049+95#1483#1388
20K → Half260+26#1388#1362
Half → 25K549+45#1362#1317
25K → 30K5474-469#1317#1786
30K → 20M873+84#1786#1702
20M → 21M641+63#1702#1639
21M → 35K333+30#1639#1609
35K → 23M4716+31#1609#1578
23M → 24M582+56#1578#1522
24M → 40K477+40#1522#1482
40K → 25.2M167+9#1482#1473
25.2M → Finish483+45#1473#1428
TOTALS1007561+446
📊

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