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BOSTON MARATHON 2023

David Schaub

Bib: 15282•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M55-59)
#0 / 1422
Top 29%
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
7:44/mi
24:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:44
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:36:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:41:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:00:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:24:49
↑ 181↓ 1480.2%
20M
7:52/mi
2:35:31
↑ 64↓ 500.2%
21M
8:15/mi
2:43:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:49:36
↑ 17↓ 861.7%
23M
8:13/mi
2:59:53
↑ 23↓ 630.6%
24M
8:07/mi
3:08:00
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:14:56
↓ 200.3%
25.2M
8:42/mi
3:17:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:26:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:44:46
Pace8:00 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3724:017:4424:01
7:44
-
10K
6.21 mi11:18:2947:537:4223:52
7:41
-0:03
15K
9.32 mi11:42:201:11:447:4223:51
7:41
0:00
20K
12.43 mi12:06:381:36:027:4424:18
7:49
+0:08
Half
13.11 mi12:11:531:41:177:445:15
7:42
-0:07
25K
15.53 mi12:30:492:00:137:4418:56
7:49
+0:07
30K
18.64 mi12:55:252:24:497:4624:36
7:55
+0:06
20M
20.00 mi13:06:072:35:317:4710:42
7:52
-0:03
21M
21.00 mi13:14:222:43:467:488:15
8:15
+0:23
35K
21.75 mi13:20:122:49:367:485:50
7:48
-0:27
23M
23.00 mi13:30:292:59:537:4910:17
8:13
+0:25
24M
24.00 mi13:38:363:08:007:508:07
8:07
-0:06
40K
24.85 mi13:45:323:14:567:516:56
8:07
0:00
25.2M
25.20 mi13:48:323:17:567:513:00
8:42
+0:35
Finish
26.22 mi13:56:393:26:037:528:07
7:58
-0:44

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

7:41 /mi

Average Pace

7:52 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:03

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:54:3724:017:4424:01
7:44
#11714
10K
6.21 mi11:18:2947:537:4223:52
7:41
#11861
15K
9.32 mi11:42:201:11:447:4223:51
7:41
#11745
20K
12.43 mi12:06:381:36:027:4424:18
7:49
#11765
Half
13.11 mi12:11:531:41:177:445:15
7:42
#11761
25K
15.53 mi12:30:492:00:137:4418:56
7:49
#11604
30K
18.64 mi12:55:252:24:497:4624:36
7:55
#11324
20M
20.00 mi13:06:072:35:317:4710:42
7:52
#11150
21M
21.00 mi13:14:222:43:467:488:15
8:15
#10990
35K
21.75 mi13:20:122:49:367:485:50
7:48
#10957
23M
23.00 mi13:30:292:59:537:4910:17
8:13
#10953
24M
24.00 mi13:38:363:08:007:508:07
8:07
#11006
40K
24.85 mi13:45:323:14:567:516:56
8:07
#10992
25.2M
25.20 mi13:48:323:17:567:513:00
8:42
#10962
Finish
26.22 mi13:56:393:26:037:528:07
7:58
#10991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi117148995899511629(Top 44%)8919(Top 59%)8919(Top 627%)
10K6.21 mi3.10 mi11861-1479046-519046-5112055(Top 45%)9134(Top 60%)9134(Top 642%)
15K9.32 mi3.11 mi11745+1168973+738973+7311629(Top 44%)8919(Top 59%)8919(Top 627%)
20K12.43 mi3.11 mi11765-208969+48969+411910(Top 45%)8974(Top 59%)8974(Top 631%)
Half13.11 mi0.68 mi11761+48966+38966+311775(Top 44%)8960(Top 59%)8960(Top 630%)
25K15.53 mi2.42 mi11604+1578886+808886+8011147(Top 42%)8571(Top 56%)8571(Top 603%)
30K18.64 mi3.11 mi11324+2808707+1798707+17910267(Top 39%)7970(Top 53%)7970(Top 560%)
20M20.00 mi1.36 mi11150+1748617+908617+909387(Top 35%)7415(Top 49%)7415(Top 521%)
21M21.00 mi1.00 mi10990+1608519+988519+988906(Top 33%)7020(Top 46%)7020(Top 494%)
35K21.75 mi0.75 mi10957+338486+338486+3310609(Top 40%)7924(Top 52%)7924(Top 557%)
23M23.00 mi1.25 mi10953+48465+218465+2111251(Top 42%)8100(Top 53%)8100(Top 570%)
24M24.00 mi1.00 mi11006-538462+38462+312016(Top 45%)8401(Top 55%)8401(Top 591%)
40K24.85 mi0.85 mi10992+148426+368426+3610746(Top 40%)7722(Top 51%)7722(Top 543%)
25.2M25.20 mi0.35 mi10962+308397+298397+2910708(Top 40%)7665(Top 51%)7665(Top 539%)
Finish26.22 mi1.02 mi10991-298389+88389+811830(Top 44%)8192(Top 54%)8192(Top 576%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11629

Males

8919

M55-59

8919

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12055

Males

9134

M55-59

9134

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11629

Males

8919

M55-59

8919

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11910

Males

8974

M55-59

8974

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11775

Males

8960

M55-59

8960

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11147

Males

8571

M55-59

8571

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10267

Males

7970

M55-59

7970

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9387

Males

7415

M55-59

7415

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8906

Males

7020

M55-59

7020

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10609

Males

7924

M55-59

7924

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11251

Males

8100

M55-59

8100

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12016

Males

8401

M55-59

8401

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10746

Males

7722

M55-59

7722

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10708

Males

7665

M55-59

7665

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11830

Males

8192

M55-59

8192

Passing Analysis

Category:
Athletes Passed
1976
Passed By
1253
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11714
5K → 10K238385-147#11714#11861
10K → 15K242126+116#11861#11745
15K → 20K151171-20#11745#11765
20K → Half3329+4#11765#11761
Half → 25K22366+157#11761#11604
25K → 30K33353+280#11604#11324
30K → 20M19521+174#11324#11150
20M → 21M17616+160#11150#10990
21M → 35K6431+33#10990#10957
35K → 23M8985+4#10957#10953
23M → 24M53106-53#10953#11006
24M → 40K7460+14#11006#10992
40K → 25.2M5121+30#10992#10962
25.2M → Finish5483-29#10962#10991
TOTALS19761253+723
📊

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