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BOSTON MARATHON 2023

Jordan Loeb

Bib: 6987•M

KS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:02
Rank: #4347
Start → 5K
21:02 | 6:46/mi
10K· 6.21 mi
41:39
Rank: #4004 (+343)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:02:10
Rank: #3709 (+295)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:52
Rank: #3586 (+123)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:27:21
Rank: #3559 (+27)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:38
Rank: #3517 (+42)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:05:07
Rank: #3535 (-18)
25K → 30K
21:29 | 6:55/mi
20M
2:14:28
Rank: #3482 (+53)
30K → 20M
9:21 | 6:53/mi
21M
2:21:46
Rank: #3456 (+26)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:27:41
Rank: #3787 (-331)
21M → 35K
5:55 | 7:55/mi
23M
2:36:14
Rank: #3678 (+109)
35K → 23M
8:33 | 6:50/mi
24M
2:42:53
Rank: #3605 (+73)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:48:40
Rank: #3524 (+81)
24M → 40K
5:47 | 6:46/mi
25.2M
2:51:08
Rank: #3489 (+35)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:57:51
Rank: #3442 (+47)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:21
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:30
Pace6:54 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5221:026:4621:02
6:46
-
10K
6.21 mi10:45:2941:396:4220:37
6:38
-0:08
15K
9.32 mi11:06:001:02:106:4020:31
6:36
-0:02
20K
12.43 mi11:26:421:22:526:4020:42
6:40
+0:04
Half
13.11 mi11:31:111:27:216:404:29
6:34
-0:06
25K
15.53 mi11:47:281:43:386:4016:17
6:43
+0:09
30K
18.64 mi12:08:572:05:076:4321:29
6:55
+0:12
20M
20.00 mi12:18:182:14:286:439:21
6:53
-0:02
21M
21.00 mi12:25:362:21:466:457:18
7:18
+0:25
35K
21.75 mi12:31:312:27:416:475:55
7:55
+0:37
23M
23.00 mi12:40:042:36:146:488:33
6:50
-1:05
24M
24.00 mi12:46:432:42:536:476:39
6:39
-0:11
40K
24.85 mi12:52:302:48:406:475:47
6:46
+0:07
25.2M
25.20 mi12:54:582:51:086:472:28
7:09
+0:23
Finish
26.22 mi13:01:412:57:516:476:43
6:35
-0:34

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

6:34 /mi

Average Pace

6:47 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:12

6% of race

Time at Steady Pace

2:30:58

85% of race

Time at Slower Pace

15:41

9% of race

Average Pace: 6:47 /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 mi10:24:5221:026:4621:02
6:46
#4347
10K
6.21 mi10:45:2941:396:4220:37
6:38
#4004
15K
9.32 mi11:06:001:02:106:4020:31
6:36
#3709
20K
12.43 mi11:26:421:22:526:4020:42
6:40
#3586
Half
13.11 mi11:31:111:27:216:404:29
6:34
#3559
25K
15.53 mi11:47:281:43:386:4016:17
6:43
#3517
30K
18.64 mi12:08:572:05:076:4321:29
6:55
#3535
20M
20.00 mi12:18:182:14:286:439:21
6:53
#3482
21M
21.00 mi12:25:362:21:466:457:18
7:18
#3456
35K
21.75 mi12:31:312:27:416:475:55
7:55
#3787
23M
23.00 mi12:40:042:36:146:488:33
6:50
#3678
24M
24.00 mi12:46:432:42:536:476:39
6:39
#3605
40K
24.85 mi12:52:302:48:406:475:47
6:46
#3524
25.2M
25.20 mi12:54:582:51:086:472:28
7:09
#3489
Finish
26.22 mi13:01:412:57:516:476:43
6:35
#3442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4347405840583324(Top 12%)3154(Top 21%)3154(Top 60%)
10K6.21 mi3.10 mi4004+3433765+2933765+2933760(Top 14%)3547(Top 23%)3547(Top 67%)
15K9.32 mi3.11 mi3709+2953503+2623503+2623324(Top 12%)3154(Top 21%)3154(Top 60%)
20K12.43 mi3.11 mi3586+1233394+1093394+1093280(Top 12%)3114(Top 21%)3114(Top 59%)
Half13.11 mi0.68 mi3559+273369+253369+253244(Top 12%)3094(Top 20%)3094(Top 59%)
25K15.53 mi2.42 mi3517+423336+333336+333483(Top 13%)3296(Top 22%)3296(Top 62%)
30K18.64 mi3.11 mi3535-183347-113347-113747(Top 14%)3513(Top 23%)3513(Top 66%)
20M20.00 mi1.36 mi3482+533293+543293+543294(Top 12%)3083(Top 20%)3083(Top 58%)
21M21.00 mi1.00 mi3456+263272+213272+213591(Top 13%)3331(Top 22%)3331(Top 63%)
35K21.75 mi0.75 mi3787-3313568-2963568-29611392(Top 43%)8282(Top 55%)8282(Top 157%)
23M23.00 mi1.25 mi3678+1093469+993469+992828(Top 11%)2644(Top 17%)2644(Top 50%)
24M24.00 mi1.00 mi3605+733401+683401+682838(Top 11%)2639(Top 17%)2639(Top 50%)
40K24.85 mi0.85 mi3524+813327+743327+742651(Top 10%)2450(Top 16%)2450(Top 46%)
25.2M25.20 mi0.35 mi3489+353293+343293+342341(Top 9%)2174(Top 14%)2174(Top 41%)
Finish26.22 mi1.02 mi3442+473245+483245+482940(Top 11%)2665(Top 18%)2665(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3324

Males

3154

M18-39

3154

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3760

Males

3547

M18-39

3547

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3324

Males

3154

M18-39

3154

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3280

Males

3114

M18-39

3114

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3244

Males

3094

M18-39

3094

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3483

Males

3296

M18-39

3296

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3747

Males

3513

M18-39

3513

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3294

Males

3083

M18-39

3083

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3591

Males

3331

M18-39

3331

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11392

Males

8282

M18-39

8282

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2828

Males

2644

M18-39

2644

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2838

Males

2639

M18-39

2639

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2651

Males

2450

M18-39

2450

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2341

Males

2174

M18-39

2174

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2940

Males

2665

M18-39

2665

Passing Analysis

Category:
Athletes Passed
1701
Passed By
796
Net Change
+905
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4347
5K → 10K43794+343#4347#4004
10K → 15K31520+295#4004#3709
15K → 20K16138+123#3709#3586
20K → Half336+27#3586#3559
Half → 25K9856+42#3559#3517
25K → 30K99117-18#3517#3535
30K → 20M8330+53#3535#3482
20M → 21M6539+26#3482#3456
21M → 35K4335-331#3456#3787
35K → 23M12718+109#3787#3678
23M → 24M818+73#3678#3605
24M → 40K876+81#3605#3524
40K → 25.2M383+35#3524#3489
25.2M → Finish7326+47#3489#3442
TOTALS1701796+905
📊

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