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BOSTON MARATHON 2023

Justin Jurs

Bib: 27367•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:03
Rank: #24248
Start → 5K
32:03 | 10:19/mi
10K· 6.21 mi
1:02:03
Rank: #23589 (+659)
5K → 10K
30:00 | 9:39/mi
15K· 9.32 mi
1:32:46
Rank: #23502 (+87)
10K → 15K
30:43 | 9:53/mi
20K· 12.43 mi
2:03:22
Rank: #23271 (+231)
15K → 20K
30:36 | 9:51/mi
Half· 13.11 mi
2:10:02
Rank: #23240 (+31)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:34:16
Rank: #23021 (+219)
Half → 25K
24:14 | 10:00/mi
30K· 18.64 mi
3:07:20
Rank: #22901 (+120)
25K → 30K
33:04 | 10:39/mi
20M
3:21:52
Rank: #22832 (+69)
30K → 20M
14:32 | 10:42/mi
21M
3:33:22
Rank: #22780 (+52)
20M → 21M
11:30 | 11:30/mi
35K· 21.75 mi
3:41:34
Rank: #22818 (-38)
21M → 35K
8:12 | 10:58/mi
23M
3:55:37
Rank: #22806 (+12)
35K → 23M
14:03 | 11:13/mi
24M
4:07:04
Rank: #22832 (-26)
23M → 24M
11:27 | 11:27/mi
40K· 24.85 mi
4:17:20
Rank: #22893 (-61)
24M → 40K
10:16 | 12:00/mi
25.2M
4:21:19
Rank: #22882 (+11)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
4:31:18
Rank: #22838 (+44)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:02
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:21:16
Pace10:47 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1332:0310:1932:03
10:19
-
10K
6.21 mi12:19:131:02:039:5930:00
9:39
-0:40
15K
9.32 mi12:49:561:32:469:5730:43
9:53
+0:14
20K
12.43 mi13:20:322:03:229:5630:36
9:51
-0:02
Half
13.11 mi13:27:122:10:029:556:40
9:46
-0:05
25K
15.53 mi13:51:262:34:169:5624:14
10:00
+0:14
30K
18.64 mi14:24:303:07:2010:0333:04
10:39
+0:39
20M
20.00 mi14:39:023:21:5210:0614:32
10:42
+0:03
21M
21.00 mi14:50:323:33:2210:1011:30
11:30
+0:48
35K
21.75 mi14:58:443:41:3410:118:12
10:58
-0:32
23M
23.00 mi15:12:473:55:3710:1514:03
11:13
+0:15
24M
24.00 mi15:24:144:07:0410:1811:27
11:27
+0:14
40K
24.85 mi15:34:304:17:2010:2110:16
12:00
+0:33
25.2M
25.20 mi15:38:294:21:1910:223:59
11:33
-0:27
Finish
26.22 mi15:48:284:31:1810:219:59
9:48
-1:45

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

9:39 /mi

Average Pace

10:21 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:12

49% of race

Time at Steady Pace

1:27:51

32% of race

Time at Slower Pace

51:15

19% of race

Average Pace: 10:21 /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 mi11:49:1332:0310:1932:03
10:19
#24248
10K
6.21 mi12:19:131:02:039:5930:00
9:39
#23589
15K
9.32 mi12:49:561:32:469:5730:43
9:53
#23502
20K
12.43 mi13:20:322:03:229:5630:36
9:51
#23271
Half
13.11 mi13:27:122:10:029:556:40
9:46
#23240
25K
15.53 mi13:51:262:34:169:5624:14
10:00
#23021
30K
18.64 mi14:24:303:07:2010:0333:04
10:39
#22901
20M
20.00 mi14:39:023:21:5210:0614:32
10:42
#22832
21M
21.00 mi14:50:323:33:2210:1011:30
11:30
#22780
35K
21.75 mi14:58:443:41:3410:118:12
10:58
#22818
23M
23.00 mi15:12:473:55:3710:1514:03
11:13
#22806
24M
24.00 mi15:24:144:07:0410:1811:27
11:27
#22832
40K
24.85 mi15:34:304:17:2010:2110:16
12:00
#22893
25.2M
25.20 mi15:38:294:21:1910:223:59
11:33
#22882
Finish
26.22 mi15:48:284:31:1810:219:59
9:48
#22838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24248142131421323270(Top 87%)13768(Top 91%)13768(Top 614%)
10K6.21 mi3.10 mi23589+65913896+31713896+31722941(Top 86%)13615(Top 90%)13615(Top 608%)
15K9.32 mi3.11 mi23502+8713870+2613870+2623270(Top 87%)13768(Top 91%)13768(Top 614%)
20K12.43 mi3.11 mi23271+23113755+11513755+11522519(Top 85%)13407(Top 88%)13407(Top 598%)
Half13.11 mi0.68 mi23240+3113738+1713738+1722795(Top 86%)13534(Top 89%)13534(Top 604%)
25K15.53 mi2.42 mi23021+21913631+10713631+10722210(Top 83%)13238(Top 87%)13238(Top 591%)
30K18.64 mi3.11 mi22901+12013554+7713554+7722497(Top 85%)13293(Top 88%)13293(Top 593%)
20M20.00 mi1.36 mi22832+6913502+5213502+5222134(Top 83%)13056(Top 86%)13056(Top 583%)
21M21.00 mi1.00 mi22780+5213465+3713465+3721879(Top 82%)12924(Top 85%)12924(Top 577%)
35K21.75 mi0.75 mi22818-3813479-1413479-1423225(Top 87%)13491(Top 89%)13491(Top 602%)
23M23.00 mi1.25 mi22806+1213457+2213457+2222754(Top 85%)13267(Top 87%)13267(Top 592%)
24M24.00 mi1.00 mi22832-2613456+113456+123796(Top 89%)13719(Top 90%)13719(Top 612%)
40K24.85 mi0.85 mi22893-6113482-2613482-2623897(Top 90%)13744(Top 91%)13744(Top 613%)
25.2M25.20 mi0.35 mi22882+1113478+413478+421655(Top 81%)12700(Top 84%)12700(Top 567%)
Finish26.22 mi1.02 mi22838+4413451+2713451+2721136(Top 79%)12490(Top 82%)12490(Top 557%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23270

Males

13768

M40-44

13768

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22941

Males

13615

M40-44

13615

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23270

Males

13768

M40-44

13768

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22519

Males

13407

M40-44

13407

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22795

Males

13534

M40-44

13534

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22210

Males

13238

M40-44

13238

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22497

Males

13293

M40-44

13293

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22134

Males

13056

M40-44

13056

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21879

Males

12924

M40-44

12924

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23225

Males

13491

M40-44

13491

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22754

Males

13267

M40-44

13267

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23796

Males

13719

M40-44

13719

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23897

Males

13744

M40-44

13744

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21655

Males

12700

M40-44

12700

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21136

Males

12490

M40-44

12490

Passing Analysis

Category:
Athletes Passed
1965
Passed By
555
Net Change
+1410
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24248
5K → 10K69334+659#24248#23589
10K → 15K17083+87#23589#23502
15K → 20K26534+231#23502#23271
20K → Half4514+31#23271#23240
Half → 25K23718+219#23240#23021
25K → 30K18161+120#23021#22901
30K → 20M9829+69#22901#22832
20M → 21M8028+52#22832#22780
21M → 35K1654-38#22780#22818
35K → 23M6553+12#22818#22806
23M → 24M2551-26#22806#22832
24M → 40K1778-61#22832#22893
40K → 25.2M209+11#22893#22882
25.2M → Finish539+44#22882#22838
TOTALS1965555+1410
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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