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BOSTON MARATHON 2023

Bruce Johnson

Bib: 2107•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #1198
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:50
Rank: #1374 (-176)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:15
Rank: #1373 (+1)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:18:06
Rank: #1447 (-74)
15K → 20K
19:51 | 6:23/mi
Half· 13.11 mi
1:22:22
Rank: #1450 (-3)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:56
Rank: #1507 (-57)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
1:58:33
Rank: #1591 (-84)
25K → 30K
20:37 | 6:38/mi
20M
2:07:25
Rank: #1563 (+28)
30K → 20M
8:52 | 6:31/mi
21M
2:14:19
Rank: #1557 (+6)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:19:00
Rank: #1538 (+19)
21M → 35K
4:41 | 6:16/mi
23M
2:27:02
Rank: #1492 (+46)
35K → 23M
8:02 | 6:25/mi
24M
2:33:12
Rank: #1439 (+53)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:38:38
Rank: #1409 (+30)
24M → 40K
5:26 | 6:21/mi
25.2M
2:40:54
Rank: #1393 (+16)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:46:55
Rank: #1313 (+80)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:24:33
Pace6:27 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1019:216:1419:21
6:14
-
10K
6.21 mi10:39:3938:506:1519:29
6:16
+0:02
15K
9.32 mi10:59:0458:156:1519:25
6:15
-0:01
20K
12.43 mi11:18:551:18:066:1719:51
6:23
+0:08
Half
13.11 mi11:23:111:22:226:174:16
6:15
-0:08
25K
15.53 mi11:38:451:37:566:1815:34
6:25
+0:10
30K
18.64 mi11:59:221:58:336:2220:37
6:38
+0:13
20M
20.00 mi12:08:142:07:256:228:52
6:31
-0:07
21M
21.00 mi12:15:082:14:196:246:54
6:54
+0:23
35K
21.75 mi12:19:492:19:006:234:41
6:16
-0:38
23M
23.00 mi12:27:512:27:026:248:02
6:25
+0:09
24M
24.00 mi12:34:012:33:126:236:10
6:10
-0:15
40K
24.85 mi12:39:272:38:386:235:26
6:21
+0:11
25.2M
25.20 mi12:41:432:40:546:232:16
6:34
+0:13
Finish
26.22 mi12:47:442:46:556:226:01
5:54
-0:40

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

5:54 /mi

Average Pace

6:22 /mi

Slowest Pace

6:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:16

77% of race

Time at Steady Pace

38:39

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:20:1019:216:1419:21
6:14
#1198
10K
6.21 mi10:39:3938:506:1519:29
6:16
#1374
15K
9.32 mi10:59:0458:156:1519:25
6:15
#1373
20K
12.43 mi11:18:551:18:066:1719:51
6:23
#1447
Half
13.11 mi11:23:111:22:226:174:16
6:15
#1450
25K
15.53 mi11:38:451:37:566:1815:34
6:25
#1507
30K
18.64 mi11:59:221:58:336:2220:37
6:38
#1591
20M
20.00 mi12:08:142:07:256:228:52
6:31
#1563
21M
21.00 mi12:15:082:14:196:246:54
6:54
#1557
35K
21.75 mi12:19:492:19:006:234:41
6:16
#1538
23M
23.00 mi12:27:512:27:026:248:02
6:25
#1492
24M
24.00 mi12:34:012:33:126:236:10
6:10
#1439
40K
24.85 mi12:39:272:38:386:235:26
6:21
#1409
25.2M
25.20 mi12:41:432:40:546:232:16
6:34
#1393
Finish
26.22 mi12:47:442:46:556:226:01
5:54
#1313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1198113511351428(Top 5%)1361(Top 9%)1361(Top 26%)
10K6.21 mi3.10 mi1374-1761308-1731308-1731632(Top 6%)1558(Top 10%)1558(Top 29%)
15K9.32 mi3.11 mi1373+1130813081428(Top 5%)1361(Top 9%)1361(Top 26%)
20K12.43 mi3.11 mi1447-741380-721380-721741(Top 7%)1667(Top 11%)1667(Top 32%)
Half13.11 mi0.68 mi1450-31383-31383-31578(Top 6%)1513(Top 10%)1513(Top 29%)
25K15.53 mi2.42 mi1507-571439-561439-561795(Top 7%)1718(Top 11%)1718(Top 33%)
30K18.64 mi3.11 mi1591-841522-831522-832107(Top 8%)2012(Top 13%)2012(Top 38%)
20M20.00 mi1.36 mi1563+281493+291493+291517(Top 6%)1445(Top 10%)1445(Top 27%)
21M21.00 mi1.00 mi1557+61489+41489+41746(Top 7%)1659(Top 11%)1659(Top 31%)
35K21.75 mi0.75 mi1538+191469+201469+201425(Top 5%)1351(Top 9%)1351(Top 26%)
23M23.00 mi1.25 mi1492+461424+451424+451152(Top 4%)1088(Top 7%)1088(Top 21%)
24M24.00 mi1.00 mi1439+531373+511373+51923(Top 3%)874(Top 6%)874(Top 17%)
40K24.85 mi0.85 mi1409+301344+291344+291057(Top 4%)1000(Top 7%)1000(Top 19%)
25.2M25.20 mi0.35 mi1393+161328+161328+16631(Top 2%)598(Top 4%)598(Top 11%)
Finish26.22 mi1.02 mi1313+801249+791249+79543(Top 2%)517(Top 3%)517(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1428

Males

1361

M18-39

1361

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1632

Males

1558

M18-39

1558

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1428

Males

1361

M18-39

1361

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1741

Males

1667

M18-39

1667

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1578

Males

1513

M18-39

1513

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1795

Males

1718

M18-39

1718

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2107

Males

2012

M18-39

2012

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1517

Males

1445

M18-39

1445

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1746

Males

1659

M18-39

1659

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1425

Males

1351

M18-39

1351

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1152

Males

1088

M18-39

1088

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

923

Males

874

M18-39

874

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1057

Males

1000

M18-39

1000

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

631

Males

598

M18-39

598

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

543

Males

517

M18-39

517

Passing Analysis

Category:
Athletes Passed
490
Passed By
605
Net Change
-115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1198
5K → 10K22198-176#1198#1374
10K → 15K5049+1#1374#1373
15K → 20K28102-74#1373#1447
20K → Half47-3#1447#1450
Half → 25K2178-57#1450#1507
25K → 30K30114-84#1507#1591
30K → 20M4012+28#1591#1563
20M → 21M2620+6#1563#1557
21M → 35K256+19#1557#1538
35K → 23M504+46#1538#1492
23M → 24M574+53#1492#1439
24M → 40K377+30#1439#1409
40K → 25.2M193+16#1409#1393
25.2M → Finish811+80#1393#1313
TOTALS490605-115
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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