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BOSTON MARATHON 2023

Brandon Ehrlich

Bib: 7501•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
31:32
Rank: #23817
Start → 5K
31:32 | 10:09/mi
10K· 6.21 mi
1:04:38
Rank: #24493 (-676)
5K → 10K
33:06 | 10:39/mi
15K· 9.32 mi
1:37:37
Rank: #24584 (-91)
10K → 15K
32:59 | 10:37/mi
20K· 12.43 mi
2:11:03
Rank: #24492 (+92)
15K → 20K
33:26 | 10:46/mi
Half· 13.11 mi
2:18:10
Rank: #24475 (+17)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:44:02
Rank: #24292 (+183)
Half → 25K
25:52 | 10:40/mi
30K· 18.64 mi
3:16:48
Rank: #23919 (+373)
25K → 30K
32:46 | 10:33/mi
20M
3:30:58
Rank: #23756 (+163)
30K → 20M
14:10 | 10:25/mi
21M
3:42:15
Rank: #23629 (+127)
20M → 21M
11:17 | 11:17/mi
35K· 21.75 mi
3:50:13
Rank: #23604 (+25)
21M → 35K
7:58 | 10:39/mi
23M
4:04:00
Rank: #23550 (+54)
35K → 23M
13:47 | 11:01/mi
24M
4:14:55
Rank: #23538 (+12)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
4:24:28
Rank: #23504 (+34)
24M → 40K
9:33 | 11:10/mi
25.2M
4:28:35
Rank: #23484 (+20)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:38:06
Rank: #23376 (+108)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:10
Pace10:32 /mi
2nd Half
Distance13.11 mi
Time2:19:56
Pace10:40 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:0431:3210:0931:32
10:09
-
10K
6.21 mi11:11:101:04:3810:2433:06
10:39
+0:30
15K
9.32 mi11:44:091:37:3710:2832:59
10:37
-0:02
20K
12.43 mi12:17:352:11:0310:3333:26
10:46
+0:09
Half
13.11 mi12:24:422:18:1010:327:07
10:26
-0:20
25K
15.53 mi12:50:342:44:0210:3425:52
10:40
+0:14
30K
18.64 mi13:23:203:16:4810:3332:46
10:33
-0:07
20M
20.00 mi13:37:303:30:5810:3314:10
10:25
-0:08
21M
21.00 mi13:48:473:42:1510:3511:17
11:17
+0:52
35K
21.75 mi13:56:453:50:1310:357:58
10:39
-0:38
23M
23.00 mi14:10:324:04:0010:3713:47
11:01
+0:22
24M
24.00 mi14:21:274:14:5510:3710:55
10:55
-0:06
40K
24.85 mi14:31:004:24:2810:389:33
11:10
+0:15
25.2M
25.20 mi14:35:074:28:3510:394:07
11:56
+0:46
Finish
26.22 mi14:44:384:38:0610:379:31
9:20
-2:36

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

9:20 /mi

Average Pace

10:37 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:03

15% of race

Time at Steady Pace

3:18:19

71% of race

Time at Slower Pace

38:44

14% of race

Average Pace: 10:36 /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 mi10:38:0431:3210:0931:32
10:09
#23817
10K
6.21 mi11:11:101:04:3810:2433:06
10:39
#24493
15K
9.32 mi11:44:091:37:3710:2832:59
10:37
#24584
20K
12.43 mi12:17:352:11:0310:3333:26
10:46
#24492
Half
13.11 mi12:24:422:18:1010:327:07
10:26
#24475
25K
15.53 mi12:50:342:44:0210:3425:52
10:40
#24292
30K
18.64 mi13:23:203:16:4810:3332:46
10:33
#23919
20M
20.00 mi13:37:303:30:5810:3314:10
10:25
#23756
21M
21.00 mi13:48:473:42:1510:3511:17
11:17
#23629
35K
21.75 mi13:56:453:50:1310:357:58
10:39
#23604
23M
23.00 mi14:10:324:04:0010:3713:47
11:01
#23550
24M
24.00 mi14:21:274:14:5510:3710:55
10:55
#23538
40K
24.85 mi14:31:004:24:2810:389:33
11:10
#23504
25.2M
25.20 mi14:35:074:28:3510:394:07
11:56
#23484
Finish
26.22 mi14:44:384:38:0610:379:31
9:20
#23376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23817139931399324671(Top 93%)14374(Top 95%)14374(Top 272%)
10K6.21 mi3.10 mi24493-67614316-32314316-32324946(Top 94%)14510(Top 96%)14510(Top 275%)
15K9.32 mi3.11 mi24584-9114350-3414350-3424671(Top 93%)14374(Top 95%)14374(Top 272%)
20K12.43 mi3.11 mi24492+9214302+4814302+4824271(Top 91%)14176(Top 93%)14176(Top 268%)
Half13.11 mi0.68 mi24475+1714288+1414288+1424107(Top 91%)14107(Top 93%)14107(Top 267%)
25K15.53 mi2.42 mi24292+18314199+8914199+8923471(Top 88%)13795(Top 91%)13795(Top 261%)
30K18.64 mi3.11 mi23919+37314025+17414025+17422310(Top 84%)13209(Top 87%)13209(Top 250%)
20M20.00 mi1.36 mi23756+16313942+8313942+8321577(Top 81%)12811(Top 84%)12811(Top 242%)
21M21.00 mi1.00 mi23629+12713874+6813874+6821462(Top 81%)12721(Top 84%)12721(Top 241%)
35K21.75 mi0.75 mi23604+2513859+1513859+1522690(Top 85%)13249(Top 87%)13249(Top 251%)
23M23.00 mi1.25 mi23550+5413830+2913830+2922378(Top 84%)13096(Top 86%)13096(Top 248%)
24M24.00 mi1.00 mi23538+1213813+1713813+1722909(Top 86%)13297(Top 88%)13297(Top 252%)
40K24.85 mi0.85 mi23504+3413786+2713786+2722704(Top 85%)13173(Top 87%)13173(Top 249%)
25.2M25.20 mi0.35 mi23484+2013768+1813768+1822429(Top 84%)13032(Top 86%)13032(Top 247%)
Finish26.22 mi1.02 mi23376+10813704+6413704+6419563(Top 73%)11769(Top 78%)11769(Top 223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24671

Males

14374

M18-39

14374

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24946

Males

14510

M18-39

14510

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24671

Males

14374

M18-39

14374

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24271

Males

14176

M18-39

14176

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24107

Males

14107

M18-39

14107

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23471

Males

13795

M18-39

13795

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22310

Males

13209

M18-39

13209

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21577

Males

12811

M18-39

12811

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21462

Males

12721

M18-39

12721

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22690

Males

13249

M18-39

13249

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22378

Males

13096

M18-39

13096

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22909

Males

13297

M18-39

13297

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22704

Males

13173

M18-39

13173

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22429

Males

13032

M18-39

13032

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19563

Males

11769

M18-39

11769

Passing Analysis

Category:
Athletes Passed
1503
Passed By
1062
Net Change
+441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23817
5K → 10K32708-676#23817#24493
10K → 15K102193-91#24493#24584
15K → 20K14351+92#24584#24492
20K → Half2912+17#24492#24475
Half → 25K19613+183#24475#24292
25K → 30K3785+373#24292#23919
30K → 20M1630+163#23919#23756
20M → 21M1303+127#23756#23629
21M → 35K349+25#23629#23604
35K → 23M7117+54#23604#23550
23M → 24M3927+12#23550#23538
24M → 40K4814+34#23538#23504
40K → 25.2M277+20#23504#23484
25.2M → Finish1113+108#23484#23376
TOTALS15031062+441
📊

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