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BOSTON MARATHON 2023

Alex Gottlieb

Bib: 1445•M

VT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:43
Rank: #732
Start → 5K
18:43 | 6:01/mi
10K· 6.21 mi
37:16
Rank: #724 (+8)
5K → 10K
18:33 | 5:58/mi
15K· 9.32 mi
56:06
Rank: #762 (-38)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:15:10
Rank: #768 (-6)
15K → 20K
19:04 | 6:08/mi
Half· 13.11 mi
1:19:16
Rank: #769 (-1)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:34:00
Rank: #738 (+31)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:53:14
Rank: #724 (+14)
25K → 30K
19:14 | 6:11/mi
20M
2:01:41
Rank: #709 (+15)
30K → 20M
8:27 | 6:13/mi
21M
2:08:11
Rank: #691 (+18)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:12:46
Rank: #702 (-11)
21M → 35K
4:35 | 6:08/mi
23M
2:20:52
Rank: #726 (-24)
35K → 23M
8:06 | 6:28/mi
24M
2:27:14
Rank: #736 (-10)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:33:01
Rank: #750 (-14)
24M → 40K
5:47 | 6:46/mi
25.2M
2:35:33
Rank: #760 (-10)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:42:17
Rank: #786 (-26)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:16
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:23:01
Pace6:20 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0318:436:0118:43
6:01
-
10K
6.21 mi10:37:3637:166:0018:33
5:58
-0:03
15K
9.32 mi10:56:2656:066:0118:50
6:04
+0:06
20K
12.43 mi11:15:301:15:106:0319:04
6:08
+0:04
Half
13.11 mi11:19:361:19:166:034:06
6:01
-0:07
25K
15.53 mi11:34:201:34:006:0314:44
6:05
+0:04
30K
18.64 mi11:53:341:53:146:0419:14
6:11
+0:06
20M
20.00 mi12:02:012:01:416:058:27
6:13
+0:02
21M
21.00 mi12:08:312:08:116:066:30
6:30
+0:17
35K
21.75 mi12:13:062:12:466:064:35
6:08
-0:22
23M
23.00 mi12:21:122:20:526:078:06
6:28
+0:20
24M
24.00 mi12:27:342:27:146:086:22
6:22
-0:06
40K
24.85 mi12:33:212:33:016:095:47
6:46
+0:24
25.2M
25.20 mi12:35:532:35:336:102:32
7:21
+0:35
Finish
26.22 mi12:42:372:42:176:126:44
6:36
-0:45

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

5:58 /mi

Average Pace

6:12 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:33

11% of race

Time at Steady Pace

1:47:43

66% of race

Time at Slower Pace

36:01

22% of race

Average Pace: 6:11 /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 mi10:19:0318:436:0118:43
6:01
#732
10K
6.21 mi10:37:3637:166:0018:33
5:58
#724
15K
9.32 mi10:56:2656:066:0118:50
6:04
#762
20K
12.43 mi11:15:301:15:106:0319:04
6:08
#768
Half
13.11 mi11:19:361:19:166:034:06
6:01
#769
25K
15.53 mi11:34:201:34:006:0314:44
6:05
#738
30K
18.64 mi11:53:341:53:146:0419:14
6:11
#724
20M
20.00 mi12:02:012:01:416:058:27
6:13
#709
21M
21.00 mi12:08:312:08:116:066:30
6:30
#691
35K
21.75 mi12:13:062:12:466:064:35
6:08
#702
23M
23.00 mi12:21:122:20:526:078:06
6:28
#726
24M
24.00 mi12:27:342:27:146:086:22
6:22
#736
40K
24.85 mi12:33:212:33:016:095:47
6:46
#750
25.2M
25.20 mi12:35:532:35:336:102:32
7:21
#760
Finish
26.22 mi12:42:372:42:176:126:44
6:36
#786
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi732685685850(Top 3%)803(Top 5%)803(Top 15%)
10K6.21 mi3.10 mi724+8680+5680+5739(Top 3%)695(Top 5%)695(Top 13%)
15K9.32 mi3.11 mi762-38718-38718-38850(Top 3%)803(Top 5%)803(Top 15%)
20K12.43 mi3.11 mi768-6723-5723-5878(Top 3%)833(Top 5%)833(Top 16%)
Half13.11 mi0.68 mi769-1725-2725-2785(Top 3%)744(Top 5%)744(Top 14%)
25K15.53 mi2.42 mi738+31694+31694+31691(Top 3%)650(Top 4%)650(Top 12%)
30K18.64 mi3.11 mi724+14682+12682+12666(Top 3%)629(Top 4%)629(Top 12%)
20M20.00 mi1.36 mi709+15667+15667+15690(Top 3%)653(Top 4%)653(Top 12%)
21M21.00 mi1.00 mi691+18649+18649+18651(Top 2%)613(Top 4%)613(Top 12%)
35K21.75 mi0.75 mi702-11660-11660-11994(Top 4%)944(Top 6%)944(Top 18%)
23M23.00 mi1.25 mi726-24684-24684-241312(Top 5%)1243(Top 8%)1243(Top 24%)
24M24.00 mi1.00 mi736-10693-9693-91546(Top 6%)1462(Top 10%)1462(Top 28%)
40K24.85 mi0.85 mi750-14708-15708-152608(Top 10%)2407(Top 16%)2407(Top 46%)
25.2M25.20 mi0.35 mi760-10718-10718-103062(Top 12%)2785(Top 18%)2785(Top 53%)
Finish26.22 mi1.02 mi786-26742-24742-242985(Top 11%)2694(Top 18%)2694(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

850

Males

803

M18-39

803

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

739

Males

695

M18-39

695

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

850

Males

803

M18-39

803

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

878

Males

833

M18-39

833

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

785

Males

744

M18-39

744

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

691

Males

650

M18-39

650

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

666

Males

629

M18-39

629

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

690

Males

653

M18-39

653

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

651

Males

613

M18-39

613

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

994

Males

944

M18-39

944

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1312

Males

1243

M18-39

1243

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1546

Males

1462

M18-39

1462

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2608

Males

2407

M18-39

2407

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3062

Males

2785

M18-39

2785

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2985

Males

2694

M18-39

2694

Passing Analysis

Category:
Athletes Passed
214
Passed By
268
Net Change
-54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#732
5K → 10K3931+8#732#724
10K → 15K947-38#724#762
15K → 20K2127-6#762#768
20K → Half56-1#768#769
Half → 25K376+31#769#738
25K → 30K2713+14#738#724
30K → 20M183+15#724#709
20M → 21M235+18#709#691
21M → 35K314-11#691#702
35K → 23M731-24#702#726
23M → 24M1121-10#726#736
24M → 40K519-14#736#750
40K → 25.2M111-10#750#760
25.2M → Finish834-26#760#786
TOTALS214268-54
📊

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