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BOSTON MARATHON 2023

Brian Schubring

Bib: 14152•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M55-59)
#0 / 1422
Top 12%
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
7:15/mi
22:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
44:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:05:57
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:51:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:14:58
↑ 181↓ 1480.2%
20M
7:49/mi
2:25:36
↑ 64↓ 500.2%
21M
8:34/mi
2:34:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:39:42
↑ 17↓ 861.7%
23M
7:50/mi
2:49:30
↑ 23↓ 630.6%
24M
7:30/mi
2:57:00
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:03:37
↓ 200.3%
25.2M
8:39/mi
3:06:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:14:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:41:39
Pace7:45 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5022:307:1522:30
7:15
-
10K
6.21 mi11:12:2944:097:0621:39
6:58
-0:17
15K
9.32 mi11:34:171:05:577:0521:48
7:01
+0:03
20K
12.43 mi11:56:361:28:167:0622:19
7:11
+0:10
Half
13.11 mi12:01:281:33:087:064:52
7:08
-0:03
25K
15.53 mi12:19:221:51:027:0917:54
7:23
+0:15
30K
18.64 mi12:43:182:14:587:1423:56
7:42
+0:19
20M
20.00 mi12:53:562:25:367:1710:38
7:49
+0:07
21M
21.00 mi13:02:302:34:107:208:34
8:34
+0:45
35K
21.75 mi13:08:022:39:427:215:32
7:24
-1:10
23M
23.00 mi13:17:502:49:307:229:48
7:50
+0:26
24M
24.00 mi13:25:202:57:007:237:30
7:30
-0:20
40K
24.85 mi13:31:573:03:377:236:37
7:44
+0:14
25.2M
25.20 mi13:34:563:06:367:242:59
8:39
+0:55
Finish
26.22 mi13:43:073:14:477:268:11
8:02
-0:37

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

6:58 /mi

Average Pace

7:26 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:08

48% of race

Time at Steady Pace

1:01:29

32% of race

Time at Slower Pace

40:10

21% of race

Average Pace: 7:26 /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 mi10:50:5022:307:1522:30
7:15
#7745
10K
6.21 mi11:12:2944:097:0621:39
6:58
#7146
15K
9.32 mi11:34:171:05:577:0521:48
7:01
#6951
20K
12.43 mi11:56:361:28:167:0622:19
7:11
#6952
Half
13.11 mi12:01:281:33:087:064:52
7:08
#6965
25K
15.53 mi12:19:221:51:027:0917:54
7:23
#7045
30K
18.64 mi12:43:182:14:587:1423:56
7:42
#7240
20M
20.00 mi12:53:562:25:367:1710:38
7:49
#7310
21M
21.00 mi13:02:302:34:107:208:34
8:34
#7473
35K
21.75 mi13:08:022:39:427:215:32
7:24
#7467
23M
23.00 mi13:17:502:49:307:229:48
7:50
#7460
24M
24.00 mi13:25:202:57:007:237:30
7:30
#7445
40K
24.85 mi13:31:573:03:377:236:37
7:44
#7455
25.2M
25.20 mi13:34:563:06:367:242:59
8:39
#7497
Finish
26.22 mi13:43:073:14:477:268:11
8:02
#7678
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7745680968096658(Top 25%)5982(Top 39%)5982(Top 421%)
10K6.21 mi3.10 mi7146+5996371+4386371+4386606(Top 25%)5938(Top 39%)5938(Top 418%)
15K9.32 mi3.11 mi6951+1956218+1536218+1536658(Top 25%)5982(Top 39%)5982(Top 421%)
20K12.43 mi3.11 mi6952-16216+26216+26989(Top 26%)6205(Top 41%)6205(Top 436%)
Half13.11 mi0.68 mi6965-136223-76223-77365(Top 28%)6485(Top 43%)6485(Top 456%)
25K15.53 mi2.42 mi7045-806269-466269-467853(Top 29%)6703(Top 44%)6703(Top 471%)
30K18.64 mi3.11 mi7240-1956392-1236392-1238650(Top 32%)7067(Top 47%)7067(Top 497%)
20M20.00 mi1.36 mi7310-706418-266418-269022(Top 34%)7197(Top 47%)7197(Top 506%)
21M21.00 mi1.00 mi7473-1636497-796497-7910820(Top 41%)8017(Top 53%)8017(Top 564%)
35K21.75 mi0.75 mi7467+66480+176480+177736(Top 29%)6332(Top 42%)6332(Top 445%)
23M23.00 mi1.25 mi7460+76460+206460+208579(Top 32%)6737(Top 44%)6737(Top 474%)
24M24.00 mi1.00 mi7445+156430+306430+307683(Top 29%)6121(Top 40%)6121(Top 430%)
40K24.85 mi0.85 mi7455-106408+226408+228199(Top 31%)6363(Top 42%)6363(Top 447%)
25.2M25.20 mi0.35 mi7497-426433-256433-2510351(Top 39%)7449(Top 49%)7449(Top 524%)
Finish26.22 mi1.02 mi7678-1816534-1016534-10112301(Top 46%)8415(Top 55%)8415(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6658

Males

5982

M55-59

5982

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6606

Males

5938

M55-59

5938

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6658

Males

5982

M55-59

5982

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6989

Males

6205

M55-59

6205

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7365

Males

6485

M55-59

6485

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7853

Males

6703

M55-59

6703

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8650

Males

7067

M55-59

7067

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9022

Males

7197

M55-59

7197

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10820

Males

8017

M55-59

8017

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7736

Males

6332

M55-59

6332

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8579

Males

6737

M55-59

6737

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7683

Males

6121

M55-59

6121

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8199

Males

6363

M55-59

6363

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10351

Males

7449

M55-59

7449

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12301

Males

8415

M55-59

8415

Passing Analysis

Category:
Athletes Passed
1471
Passed By
1404
Net Change
+67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7745
5K → 10K63839+599#7745#7146
10K → 15K25459+195#7146#6951
15K → 20K103104-1#6951#6952
20K → Half1225-13#6952#6965
Half → 25K61141-80#6965#7045
25K → 30K66261-195#7045#7240
30K → 20M43113-70#7240#7310
20M → 21M30193-163#7310#7473
21M → 35K3832+6#7473#7467
35K → 23M7568+7#7467#7460
23M → 24M6550+15#7460#7445
24M → 40K5666-10#7445#7455
40K → 25.2M749-42#7455#7497
25.2M → Finish23204-181#7497#7678
TOTALS14711404+67
📊

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