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BOSTON MARATHON 2023

Verne Lowson

Bib: 12319•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M45-49)
#0 / 2252
Top 38%
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
7:00/mi
21:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
43:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:04:03
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:25:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:30:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:01/mi
1:47:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:10:43
↑ 181↓ 1480.2%
20M
8:31/mi
2:22:17
↑ 64↓ 500.2%
21M
8:25/mi
2:30:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:36:41
↑ 17↓ 861.7%
23M
9:18/mi
2:48:20
↑ 23↓ 630.6%
24M
7:54/mi
2:56:14
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:03:04
↓ 200.3%
25.2M
8:33/mi
3:06:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:13:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:00
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1821:467:0021:46
7:00
-
10K
6.21 mi11:10:3643:046:5621:18
6:51
-0:09
15K
9.32 mi11:31:351:04:036:5220:59
6:45
-0:06
20K
12.43 mi11:52:551:25:236:5221:20
6:52
+0:07
Half
13.11 mi11:57:321:30:006:524:37
6:46
-0:06
25K
15.53 mi12:14:321:47:006:5317:00
7:01
+0:15
30K
18.64 mi12:38:152:10:437:0123:43
7:38
+0:37
20M
20.00 mi12:49:492:22:177:0711:34
8:31
+0:53
21M
21.00 mi12:58:142:30:427:118:25
8:25
-0:06
35K
21.75 mi13:04:132:36:417:125:59
8:00
-0:25
23M
23.00 mi13:15:522:48:207:1911:39
9:18
+1:18
24M
24.00 mi13:23:462:56:147:217:54
7:54
-1:24
40K
24.85 mi13:30:363:03:047:226:50
8:00
+0:06
25.2M
25.20 mi13:33:333:06:017:232:57
8:33
+0:33
Finish
26.22 mi13:41:293:13:577:247:56
7:47
-0:46

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

6:45 /mi

Average Pace

7:24 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:00

55% of race

Time at Steady Pace

52:22

27% of race

Time at Slower Pace

34:35

18% of race

Average Pace: 7:24 /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 mi10:49:1821:467:0021:46
7:00
#6284
10K
6.21 mi11:10:3643:046:5621:18
6:51
#6051
15K
9.32 mi11:31:351:04:036:5220:59
6:45
#5648
20K
12.43 mi11:52:551:25:236:5221:20
6:52
#5491
Half
13.11 mi11:57:321:30:006:524:37
6:46
#5478
25K
15.53 mi12:14:321:47:006:5317:00
7:01
#5497
30K
18.64 mi12:38:152:10:437:0123:43
7:38
#5889
20M
20.00 mi12:49:492:22:177:0711:34
8:31
#6316
21M
21.00 mi12:58:142:30:427:118:25
8:25
#6433
35K
21.75 mi13:04:132:36:417:125:59
8:00
#6578
23M
23.00 mi13:15:522:48:207:1911:39
9:18
#7149
24M
24.00 mi13:23:462:56:147:217:54
7:54
#7247
40K
24.85 mi13:30:363:03:047:226:50
8:00
#7300
25.2M
25.20 mi13:33:333:06:017:232:57
8:33
#7329
Finish
26.22 mi13:41:293:13:577:247:56
7:47
#7425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6284572557254670(Top 18%)4363(Top 29%)4363(Top 194%)
10K6.21 mi3.10 mi6051+2335527+1985527+1985806(Top 22%)5307(Top 35%)5307(Top 236%)
15K9.32 mi3.11 mi5648+4035190+3375190+3374670(Top 18%)4363(Top 29%)4363(Top 194%)
20K12.43 mi3.11 mi5491+1575067+1235067+1235083(Top 19%)4706(Top 31%)4706(Top 209%)
Half13.11 mi0.68 mi5478+135057+105057+105051(Top 19%)4683(Top 31%)4683(Top 208%)
25K15.53 mi2.42 mi5497-195073-165073-165652(Top 21%)5184(Top 34%)5184(Top 230%)
30K18.64 mi3.11 mi5889-3925379-3065379-3068175(Top 31%)6790(Top 45%)6790(Top 302%)
20M20.00 mi1.36 mi6316-4275692-3135692-31313674(Top 51%)9426(Top 62%)9426(Top 419%)
21M21.00 mi1.00 mi6433-1175764-725764-729921(Top 37%)7550(Top 50%)7550(Top 335%)
35K21.75 mi0.75 mi6578-1455863-995863-9912048(Top 45%)8557(Top 56%)8557(Top 380%)
23M23.00 mi1.25 mi7149-5716256-3936256-39317518(Top 66%)10908(Top 72%)10908(Top 484%)
24M24.00 mi1.00 mi7247-986300-446300-4410479(Top 39%)7634(Top 50%)7634(Top 339%)
40K24.85 mi0.85 mi7300-536317-176317-179958(Top 37%)7309(Top 48%)7309(Top 325%)
25.2M25.20 mi0.35 mi7329-296326-96326-99774(Top 37%)7160(Top 47%)7160(Top 318%)
Finish26.22 mi1.02 mi7425-966366-406366-4010529(Top 40%)7553(Top 50%)7553(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4670

Males

4363

M45-49

4363

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5806

Males

5307

M45-49

5307

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4670

Males

4363

M45-49

4363

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5083

Males

4706

M45-49

4706

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5051

Males

4683

M45-49

4683

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5652

Males

5184

M45-49

5184

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8175

Males

6790

M45-49

6790

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13674

Males

9426

M45-49

9426

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9921

Males

7550

M45-49

7550

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12048

Males

8557

M45-49

8557

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17518

Males

10908

M45-49

10908

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10479

Males

7634

M45-49

7634

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9958

Males

7309

M45-49

7309

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9774

Males

7160

M45-49

7160

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10529

Males

7553

M45-49

7553

Passing Analysis

Category:
Athletes Passed
1265
Passed By
2406
Net Change
-1141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6284
5K → 10K32491+233#6284#6051
10K → 15K41815+403#6051#5648
15K → 20K19740+157#5648#5491
20K → Half2714+13#5491#5478
Half → 25K81100-19#5478#5497
25K → 30K36428-392#5497#5889
30K → 20M5432-427#5889#6316
20M → 21M25142-117#6316#6433
21M → 35K16161-145#6433#6578
35K → 23M15586-571#6578#7149
23M → 24M27125-98#7149#7247
24M → 40K3588-53#7247#7300
40K → 25.2M1443-29#7300#7329
25.2M → Finish45141-96#7329#7425
TOTALS12652406-1141
📊

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