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BOSTON MARATHON 2023

Jason Weiss

Bib: 27180•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
10:00/mi
31:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
58:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:26:14
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:53:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:59:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:03/mi
2:21:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:49:39
↑ 181↓ 1480.2%
20M
9:00/mi
3:01:53
↑ 64↓ 500.2%
21M
10:00/mi
3:11:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:18:19
↑ 17↓ 861.7%
23M
9:03/mi
3:29:39
↑ 23↓ 630.6%
24M
9:08/mi
3:38:47
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:46:43
↓ 200.3%
25.2M
9:54/mi
3:50:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:59:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:59:51
Pace9:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:59:14
Pace9:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5931:0410:0031:04
10:00
-
10K
6.21 mi12:16:3458:399:2627:35
8:53
-1:07
15K
9.32 mi12:44:091:26:149:1527:35
8:53
0:00
20K
12.43 mi13:11:491:53:549:1027:40
8:54
+0:01
Half
13.11 mi13:17:461:59:519:095:57
8:43
-0:11
25K
15.53 mi13:39:432:21:489:0821:57
9:03
+0:20
30K
18.64 mi14:07:342:49:399:0627:51
8:58
-0:05
20M
20.00 mi14:19:483:01:539:0612:14
9:00
+0:02
21M
21.00 mi14:29:483:11:539:0810:00
10:00
+1:00
35K
21.75 mi14:36:143:18:199:076:26
8:36
-1:24
23M
23.00 mi14:47:343:29:399:0711:20
9:03
+0:27
24M
24.00 mi14:56:423:38:479:079:08
9:08
+0:05
40K
24.85 mi15:04:383:46:439:077:56
9:17
+0:09
25.2M
25.20 mi15:08:033:50:089:083:25
9:54
+0:37
Finish
26.22 mi15:17:003:59:059:088:57
8:47
-1:07

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

8:36 /mi

Average Pace

9:08 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:36

81% of race

Time at Steady Pace

44:29

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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 mi11:48:5931:0410:0031:04
10:00
#23430
10K
6.21 mi12:16:3458:399:2627:35
8:53
#22163
15K
9.32 mi12:44:091:26:149:1527:35
8:53
#21533
20K
12.43 mi13:11:491:53:549:1027:40
8:54
#21051
Half
13.11 mi13:17:461:59:519:095:57
8:43
#20955
25K
15.53 mi13:39:432:21:489:0821:57
9:03
#20675
30K
18.64 mi14:07:342:49:399:0627:51
8:58
#20061
20M
20.00 mi14:19:483:01:539:0612:14
9:00
#19787
21M
21.00 mi14:29:483:11:539:0810:00
10:00
#19664
35K
21.75 mi14:36:143:18:199:076:26
8:36
#19554
23M
23.00 mi14:47:343:29:399:0711:20
9:03
#19371
24M
24.00 mi14:56:423:38:479:079:08
9:08
#19301
40K
24.85 mi15:04:383:46:439:077:56
9:17
#19234
25.2M
25.20 mi15:08:033:50:089:083:25
9:54
#19197
Finish
26.22 mi15:17:003:59:059:088:57
8:47
#19154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23430137871378719931(Top 75%)12266(Top 81%)12266(Top 545%)
10K6.21 mi3.10 mi22163+126713210+57713210+57720322(Top 76%)12419(Top 82%)12419(Top 551%)
15K9.32 mi3.11 mi21533+63012936+27412936+27419931(Top 75%)12266(Top 81%)12266(Top 545%)
20K12.43 mi3.11 mi21051+48212725+21112725+21119224(Top 72%)11976(Top 79%)11976(Top 532%)
Half13.11 mi0.68 mi20955+9612688+3712688+3719032(Top 71%)11908(Top 78%)11908(Top 529%)
25K15.53 mi2.42 mi20675+28012570+11812570+11819211(Top 72%)11940(Top 79%)11940(Top 530%)
30K18.64 mi3.11 mi20061+61412279+29112279+29116979(Top 64%)10908(Top 72%)10908(Top 484%)
20M20.00 mi1.36 mi19787+27412152+12712152+12716552(Top 62%)10641(Top 70%)10641(Top 473%)
21M21.00 mi1.00 mi19664+12312094+5812094+5818024(Top 68%)11231(Top 74%)11231(Top 499%)
35K21.75 mi0.75 mi19554+11012040+5412040+5415850(Top 60%)10241(Top 67%)10241(Top 455%)
23M23.00 mi1.25 mi19371+18311961+7911961+7916310(Top 61%)10379(Top 68%)10379(Top 461%)
24M24.00 mi1.00 mi19301+7011923+3811923+3817801(Top 67%)10983(Top 72%)10983(Top 488%)
40K24.85 mi0.85 mi19234+6711883+4011883+4017416(Top 65%)10765(Top 71%)10765(Top 478%)
25.2M25.20 mi0.35 mi19197+3711862+2111862+2116991(Top 64%)10568(Top 70%)10568(Top 469%)
Finish26.22 mi1.02 mi19154+4311838+2411838+2416932(Top 64%)10583(Top 70%)10583(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19931

Males

12266

M45-49

12266

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20322

Males

12419

M45-49

12419

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19931

Males

12266

M45-49

12266

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19224

Males

11976

M45-49

11976

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

19032

Males

11908

M45-49

11908

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19211

Males

11940

M45-49

11940

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16979

Males

10908

M45-49

10908

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16552

Males

10641

M45-49

10641

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18024

Males

11231

M45-49

11231

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15850

Males

10241

M45-49

10241

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16310

Males

10379

M45-49

10379

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17801

Males

10983

M45-49

10983

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17416

Males

10765

M45-49

10765

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16991

Males

10568

M45-49

10568

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16932

Males

10583

M45-49

10583

Passing Analysis

Category:
Athletes Passed
4422
Passed By
146
Net Change
+4276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23430
5K → 10K12714+1267#23430#22163
10K → 15K6377+630#22163#21533
15K → 20K4908+482#21533#21051
20K → Half1015+96#21051#20955
Half → 25K2899+280#20955#20675
25K → 30K6140+614#20675#20061
30K → 20M2740+274#20061#19787
20M → 21M14724+123#19787#19664
21M → 35K1111+110#19664#19554
35K → 23M19512+183#19554#19371
23M → 24M9121+70#19371#19301
24M → 40K8215+67#19301#19234
40K → 25.2M425+37#19234#19197
25.2M → Finish7835+43#19197#19154
TOTALS4422146+4276
📊

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