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BOSTON MARATHON 2023

Thomas Shanabruch

Bib: 776•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Masters (Masters Men)
#0 / 9891
Top 0.7%
Division (M45-49)
#0 / 2252
Top 0.6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #583
Start → 5K
18:25 | 5:56/mi
10K· 6.21 mi
36:37
Rank: #545 (+38)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:59
Rank: #540 (+5)
10K → 15K
18:22 | 5:55/mi
20K· 12.43 mi
1:13:33
Rank: #530 (+10)
15K → 20K
18:34 | 5:59/mi
Half· 13.11 mi
1:17:38
Rank: #537 (-7)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:32:16
Rank: #534 (+3)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:51:25
Rank: #534
25K → 30K
19:09 | 6:10/mi
20M
1:59:53
Rank: #539 (-5)
30K → 20M
8:28 | 6:14/mi
21M
2:06:25
Rank: #545 (-6)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:10:56
Rank: #543 (+2)
21M → 35K
4:31 | 6:02/mi
23M
2:19:02
Rank: #563 (-20)
35K → 23M
8:06 | 6:28/mi
24M
2:25:10
Rank: #565 (-2)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:30:34
Rank: #569 (-4)
24M → 40K
5:24 | 6:19/mi
25.2M
2:32:53
Rank: #571 (-2)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:38:59
Rank: #573 (-2)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:38
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:21:21
Pace6:12 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3818:255:5618:25
5:56
-
10K
6.21 mi10:36:5036:375:5418:12
5:51
-0:05
15K
9.32 mi10:55:1254:595:5418:22
5:55
+0:04
20K
12.43 mi11:13:461:13:335:5518:34
5:59
+0:04
Half
13.11 mi11:17:511:17:385:554:05
5:59
0:00
25K
15.53 mi11:32:291:32:165:5614:38
6:02
+0:03
30K
18.64 mi11:51:381:51:255:5919:09
6:10
+0:08
20M
20.00 mi12:00:061:59:536:008:28
6:14
+0:04
21M
21.00 mi12:06:382:06:256:016:32
6:32
+0:18
35K
21.75 mi12:11:092:10:566:014:31
6:02
-0:30
23M
23.00 mi12:19:152:19:026:038:06
6:28
+0:26
24M
24.00 mi12:25:232:25:106:036:08
6:08
-0:20
40K
24.85 mi12:30:472:30:346:035:24
6:19
+0:11
25.2M
25.20 mi12:33:062:32:536:042:19
6:43
+0:24
Finish
26.22 mi12:39:122:38:596:046:06
5:59
-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

5:51 /mi

Average Pace

6:04 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:02

89% of race

Time at Steady Pace

16:57

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:18:3818:255:5618:25
5:56
#583
10K
6.21 mi10:36:5036:375:5418:12
5:51
#545
15K
9.32 mi10:55:1254:595:5418:22
5:55
#540
20K
12.43 mi11:13:461:13:335:5518:34
5:59
#530
Half
13.11 mi11:17:511:17:385:554:05
5:59
#537
25K
15.53 mi11:32:291:32:165:5614:38
6:02
#534
30K
18.64 mi11:51:381:51:255:5919:09
6:10
#534
20M
20.00 mi12:00:061:59:536:008:28
6:14
#539
21M
21.00 mi12:06:382:06:256:016:32
6:32
#545
35K
21.75 mi12:11:092:10:566:014:31
6:02
#543
23M
23.00 mi12:19:152:19:026:038:06
6:28
#563
24M
24.00 mi12:25:232:25:106:036:08
6:08
#565
40K
24.85 mi12:30:472:30:346:035:24
6:19
#569
25.2M
25.20 mi12:33:062:32:536:042:19
6:43
#571
Finish
26.22 mi12:39:122:38:596:046:06
5:59
#573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi583540540540(Top 2%)498(Top 3%)498(Top 22%)
10K6.21 mi3.10 mi545+38503+37503+37517(Top 2%)476(Top 3%)476(Top 21%)
15K9.32 mi3.11 mi540+5498+5498+5540(Top 2%)498(Top 3%)498(Top 22%)
20K12.43 mi3.11 mi530+10489+9489+9527(Top 2%)487(Top 3%)487(Top 22%)
Half13.11 mi0.68 mi537-7496-7496-7706(Top 3%)665(Top 4%)665(Top 30%)
25K15.53 mi2.42 mi534+3494+2494+2591(Top 2%)551(Top 4%)551(Top 24%)
30K18.64 mi3.11 mi534494494610(Top 2%)574(Top 4%)574(Top 25%)
20M20.00 mi1.36 mi539-5500-6500-6710(Top 3%)671(Top 4%)671(Top 30%)
21M21.00 mi1.00 mi545-6506-6506-6705(Top 3%)664(Top 4%)664(Top 29%)
35K21.75 mi0.75 mi543+2505+1505+1754(Top 3%)713(Top 5%)713(Top 32%)
23M23.00 mi1.25 mi563-20525-20525-201309(Top 5%)1240(Top 8%)1240(Top 55%)
24M24.00 mi1.00 mi565-2527-2527-2820(Top 3%)776(Top 5%)776(Top 34%)
40K24.85 mi0.85 mi569-4530-3530-3928(Top 3%)877(Top 6%)877(Top 39%)
25.2M25.20 mi0.35 mi571-2532-2532-2902(Top 3%)858(Top 6%)858(Top 38%)
Finish26.22 mi1.02 mi573-2534-2534-2687(Top 3%)656(Top 4%)656(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

540

Males

498

M45-49

498

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

517

Males

476

M45-49

476

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

540

Males

498

M45-49

498

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

527

Males

487

M45-49

487

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

706

Males

665

M45-49

665

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

591

Males

551

M45-49

551

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

610

Males

574

M45-49

574

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

710

Males

671

M45-49

671

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

705

Males

664

M45-49

664

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

754

Males

713

M45-49

713

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1309

Males

1240

M45-49

1240

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

820

Males

776

M45-49

776

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

928

Males

877

M45-49

877

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

902

Males

858

M45-49

858

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

687

Males

656

M45-49

656

Passing Analysis

Category:
Athletes Passed
182
Passed By
172
Net Change
+10
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#583
5K → 10K5214+38#583#545
10K → 15K1813+5#545#540
15K → 20K2313+10#540#530
20K → Half18-7#530#537
Half → 25K107+3#537#534
25K → 30K17170#534#534
30K → 20M813-5#534#539
20M → 21M1218-6#539#545
21M → 35K64+2#545#543
35K → 23M525-20#543#563
23M → 24M1214-2#563#565
24M → 40K59-4#565#569
40K → 25.2M57-2#569#571
25.2M → Finish810-2#571#573
TOTALS182172+10
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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