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BOSTON MARATHON 2023

Jonathan Labrum

Bib: 6208•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:52/mi
21:20
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:24
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:22
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:24:29
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:29:07
↑ 19↓ 370.5%
25K· 15.53 mi
6:48/mi
1:45:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:00/mi
2:07:21
↑ 181↓ 1480.2%
20M
7:05/mi
2:16:59
↑ 64↓ 500.2%
21M
7:14/mi
2:24:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:26/mi
2:29:02
↑ 17↓ 861.7%
23M
6:48/mi
2:37:33
↑ 23↓ 630.6%
24M
6:48/mi
2:44:21
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:50:10
↓ 200.3%
25.2M
7:09/mi
2:52:38
↑ 13↓ 160.2%
Finish· 26.22 mi
6:20/mi
2:59:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1021:206:5221:20
6:52
-
10K
6.21 mi10:46:1442:246:4921:04
6:47
-0:05
15K
9.32 mi11:07:121:03:226:4820:58
6:45
-0:02
20K
12.43 mi11:28:191:24:296:4821:07
6:48
+0:03
Half
13.11 mi11:32:571:29:076:484:38
6:47
-0:01
25K
15.53 mi11:49:271:45:376:4816:30
6:48
+0:01
30K
18.64 mi12:11:112:07:216:5021:44
7:00
+0:12
20M
20.00 mi12:20:492:16:596:519:38
7:05
+0:05
21M
21.00 mi12:28:032:24:136:527:14
7:14
+0:09
35K
21.75 mi12:32:522:29:026:514:49
6:26
-0:48
23M
23.00 mi12:41:232:37:336:518:31
6:48
+0:22
24M
24.00 mi12:48:112:44:216:516:48
6:48
0:00
40K
24.85 mi12:54:002:50:106:515:49
6:48
0:00
25.2M
25.20 mi12:56:282:52:386:512:28
7:09
+0:21
Finish
26.22 mi13:02:552:59:056:506:27
6:20
-0:49

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

6:20 /mi

Average Pace

6:50 /mi

Slowest Pace

7:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:01

77% of race

Time at Steady Pace

41:04

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:25:1021:206:5221:20
6:52
#5262
10K
6.21 mi10:46:1442:246:4921:04
6:47
#5148
15K
9.32 mi11:07:121:03:226:4820:58
6:45
#4985
20K
12.43 mi11:28:191:24:296:4821:07
6:48
#4821
Half
13.11 mi11:32:571:29:076:484:38
6:47
#4840
25K
15.53 mi11:49:271:45:376:4816:30
6:48
#4685
30K
18.64 mi12:11:112:07:216:5021:44
7:00
#4591
20M
20.00 mi12:20:492:16:596:519:38
7:05
#4572
21M
21.00 mi12:28:032:24:136:527:14
7:14
#4466
35K
21.75 mi12:32:522:29:026:514:49
6:26
#4334
23M
23.00 mi12:41:232:37:336:518:31
6:48
#4184
24M
24.00 mi12:48:112:44:216:516:48
6:48
#4159
40K
24.85 mi12:54:002:50:106:515:49
6:48
#4081
25.2M
25.20 mi12:56:282:52:386:512:28
7:09
#4033
Finish
26.22 mi13:02:552:59:056:506:27
6:20
#3879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5262486948694579(Top 17%)4275(Top 28%)4275(Top 81%)
10K6.21 mi3.10 mi5148+1144768+1014768+1015088(Top 19%)4706(Top 31%)4706(Top 89%)
15K9.32 mi3.11 mi4985+1634629+1394629+1394579(Top 17%)4275(Top 28%)4275(Top 81%)
20K12.43 mi3.11 mi4821+1644490+1394490+1394400(Top 17%)4106(Top 27%)4106(Top 78%)
Half13.11 mi0.68 mi4840-194507-174507-175112(Top 19%)4722(Top 31%)4722(Top 89%)
25K15.53 mi2.42 mi4685+1554364+1434364+1434189(Top 16%)3920(Top 26%)3920(Top 74%)
30K18.64 mi3.11 mi4591+944281+834281+834307(Top 16%)4005(Top 26%)4005(Top 76%)
20M20.00 mi1.36 mi4572+194264+174264+174527(Top 17%)4152(Top 27%)4152(Top 79%)
21M21.00 mi1.00 mi4466+1064168+964168+963288(Top 12%)3068(Top 20%)3068(Top 58%)
35K21.75 mi0.75 mi4334+1324048+1204048+1202168(Top 8%)2061(Top 14%)2061(Top 39%)
23M23.00 mi1.25 mi4184+1503918+1303918+1302689(Top 10%)2522(Top 17%)2522(Top 48%)
24M24.00 mi1.00 mi4159+253895+233895+233651(Top 14%)3350(Top 22%)3350(Top 63%)
40K24.85 mi0.85 mi4081+783818+773818+772859(Top 11%)2633(Top 17%)2633(Top 50%)
25.2M25.20 mi0.35 mi4033+483773+453773+452363(Top 9%)2196(Top 14%)2196(Top 42%)
Finish26.22 mi1.02 mi3879+1543639+1343639+1341757(Top 7%)1653(Top 11%)1653(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4579

Males

4275

M18-39

4275

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5088

Males

4706

M18-39

4706

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4579

Males

4275

M18-39

4275

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4400

Males

4106

M18-39

4106

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5112

Males

4722

M18-39

4722

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4189

Males

3920

M18-39

3920

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4307

Males

4005

M18-39

4005

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4527

Males

4152

M18-39

4152

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3288

Males

3068

M18-39

3068

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2168

Males

2061

M18-39

2061

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2689

Males

2522

M18-39

2522

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3651

Males

3350

M18-39

3350

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2859

Males

2633

M18-39

2633

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2363

Males

2196

M18-39

2196

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1757

Males

1653

M18-39

1653

Passing Analysis

Category:
Athletes Passed
1869
Passed By
486
Net Change
+1383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5262
5K → 10K245131+114#5262#5148
10K → 15K21249+163#5148#4985
15K → 20K19733+164#4985#4821
20K → Half2039-19#4821#4840
Half → 25K18328+155#4840#4685
25K → 30K17177+94#4685#4591
30K → 20M7051+19#4591#4572
20M → 21M12014+106#4572#4466
21M → 35K1364+132#4466#4334
35K → 23M1544+150#4334#4184
23M → 24M6540+25#4184#4159
24M → 40K8911+78#4159#4081
40K → 25.2M502+48#4081#4033
25.2M → Finish1573+154#4033#3879
TOTALS1869486+1383
📊

Passing Visuals

Category:
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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