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BOSTON MARATHON 2023

Keith Shoemaker

Bib: 7189•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
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
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
50:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:16:22
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:40:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:46:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:05:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:30:19
↑ 181↓ 1480.2%
20M
7:44/mi
2:40:50
↑ 64↓ 500.2%
21M
7:43/mi
2:48:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:54:14
↑ 17↓ 861.7%
23M
7:32/mi
3:03:40
↑ 23↓ 630.6%
24M
7:27/mi
3:11:07
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:17:42
↓ 200.3%
25.2M
7:56/mi
3:20:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:27:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
📊Negative Split: 4.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1324:538:0124:53
8:01
-
10K
6.21 mi11:19:1950:598:1226:06
8:24
+0:23
15K
9.32 mi11:44:421:16:228:1225:23
8:10
-0:14
20K
12.43 mi12:09:111:40:518:0724:29
7:53
-0:17
Half
13.11 mi12:14:491:46:298:075:38
8:15
+0:22
25K
15.53 mi12:34:062:05:468:0619:17
7:57
-0:18
30K
18.64 mi12:58:392:30:198:0424:33
7:54
-0:03
20M
20.00 mi13:09:102:40:508:0210:31
7:44
-0:10
21M
21.00 mi13:16:532:48:338:027:43
7:43
-0:01
35K
21.75 mi13:22:342:54:148:015:41
7:36
-0:07
23M
23.00 mi13:32:003:03:407:599:26
7:32
-0:04
24M
24.00 mi13:39:273:11:077:587:27
7:27
-0:05
40K
24.85 mi13:46:023:17:427:576:35
7:42
+0:15
25.2M
25.20 mi13:48:463:20:267:572:44
7:56
+0:14
Finish
26.22 mi13:56:043:27:447:567:18
7:10
-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

7:10 /mi

Average Pace

7:56 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:41

26% of race

Time at Steady Pace

2:33:03

74% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi10:53:1324:538:0124:53
8:01
#14074
10K
6.21 mi11:19:1950:598:1226:06
8:24
#15854
15K
9.32 mi11:44:421:16:228:1225:23
8:10
#15765
20K
12.43 mi12:09:111:40:518:0724:29
7:53
#14980
Half
13.11 mi12:14:491:46:298:075:38
8:15
#15028
25K
15.53 mi12:34:062:05:468:0619:17
7:57
#14616
30K
18.64 mi12:58:392:30:198:0424:33
7:54
#13794
20M
20.00 mi13:09:102:40:508:0210:31
7:44
#13353
21M
21.00 mi13:16:532:48:338:027:43
7:43
#12863
35K
21.75 mi13:22:342:54:148:015:41
7:36
#12704
23M
23.00 mi13:32:003:03:407:599:26
7:32
#12325
24M
24.00 mi13:39:273:11:077:587:27
7:27
#12097
40K
24.85 mi13:46:023:17:427:576:35
7:42
#11921
25.2M
25.20 mi13:48:463:20:267:572:44
7:56
#11807
Finish
26.22 mi13:56:043:27:447:567:18
7:10
#11516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi140749975997515637(Top 59%)10540(Top 69%)10540(Top 468%)
10K6.21 mi3.10 mi15854-178010641-66610641-66617578(Top 66%)11325(Top 75%)11325(Top 503%)
15K9.32 mi3.11 mi15765+8910610+3110610+3115637(Top 59%)10540(Top 69%)10540(Top 468%)
20K12.43 mi3.11 mi14980+78510288+32210288+32212428(Top 47%)9195(Top 61%)9195(Top 408%)
Half13.11 mi0.68 mi15028-4810305-1710305-1716131(Top 61%)10716(Top 71%)10716(Top 476%)
25K15.53 mi2.42 mi14616+41210121+18410121+18412315(Top 46%)9034(Top 60%)9034(Top 401%)
30K18.64 mi3.11 mi13794+8229761+3609761+36010159(Top 38%)7914(Top 52%)7914(Top 351%)
20M20.00 mi1.36 mi13353+4419567+1949567+1948441(Top 32%)6866(Top 45%)6866(Top 305%)
21M21.00 mi1.00 mi12863+4909335+2329335+2325736(Top 22%)5008(Top 33%)5008(Top 222%)
35K21.75 mi0.75 mi12704+1599256+799256+799254(Top 35%)7231(Top 48%)7231(Top 321%)
23M23.00 mi1.25 mi12325+3799065+1919065+1916636(Top 25%)5603(Top 37%)5603(Top 249%)
24M24.00 mi1.00 mi12097+2288946+1198946+1197375(Top 28%)5945(Top 39%)5945(Top 264%)
40K24.85 mi0.85 mi11921+1768851+958851+957989(Top 30%)6252(Top 41%)6252(Top 278%)
25.2M25.20 mi0.35 mi11807+1148796+558796+556107(Top 23%)5038(Top 33%)5038(Top 224%)
Finish26.22 mi1.02 mi11516+2918639+1578639+1576193(Top 23%)5066(Top 33%)5066(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15637

Males

10540

M45-49

10540

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17578

Males

11325

M45-49

11325

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15637

Males

10540

M45-49

10540

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12428

Males

9195

M45-49

9195

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16131

Males

10716

M45-49

10716

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12315

Males

9034

M45-49

9034

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10159

Males

7914

M45-49

7914

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8441

Males

6866

M45-49

6866

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5736

Males

5008

M45-49

5008

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9254

Males

7231

M45-49

7231

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6636

Males

5603

M45-49

5603

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7375

Males

5945

M45-49

5945

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7989

Males

6252

M45-49

6252

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6107

Males

5038

M45-49

5038

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6193

Males

5066

M45-49

5066

Passing Analysis

Category:
Athletes Passed
4602
Passed By
2044
Net Change
+2558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14074
5K → 10K171797-1780#14074#15854
10K → 15K236147+89#15854#15765
15K → 20K7927+785#15765#14980
20K → Half2169-48#14980#15028
Half → 25K4197+412#15028#14616
25K → 30K8231+822#14616#13794
30K → 20M4421+441#13794#13353
20M → 21M4900+490#13353#12863
21M → 35K1656+159#12863#12704
35K → 23M3801+379#12704#12325
23M → 24M2313+228#12325#12097
24M → 40K1793+176#12097#11921
40K → 25.2M1162+114#11921#11807
25.2M → Finish2910+291#11807#11516
TOTALS46022044+2558
📊

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