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BOSTON MARATHON 2023

Bill Johnson

Bib: 1403•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M40-44)
#0 / 2241
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #1767
Start → 5K
19:51 | 6:23/mi
10K· 6.21 mi
39:14
Rank: #1619 (+148)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:36
Rank: #1524 (+95)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:18:06
Rank: #1445 (+79)
15K → 20K
19:30 | 6:17/mi
Half· 13.11 mi
1:22:22
Rank: #1446 (-1)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:29
Rank: #1368 (+78)
Half → 25K
15:07 | 6:14/mi
30K· 18.64 mi
1:57:06
Rank: #1266 (+102)
25K → 30K
19:37 | 6:19/mi
20M
2:05:36
Rank: #1212 (+54)
30K → 20M
8:30 | 6:15/mi
21M
2:12:17
Rank: #1186 (+26)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:16:48
Rank: #1154 (+32)
21M → 35K
4:31 | 6:02/mi
23M
2:24:31
Rank: #1096 (+58)
35K → 23M
7:43 | 6:10/mi
24M
2:30:27
Rank: #1055 (+41)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:35:40
Rank: #1001 (+54)
24M → 40K
5:13 | 6:06/mi
25.2M
2:37:53
Rank: #987 (+14)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:43:53
Rank: #947 (+40)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:31
Pace6:13 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2419:516:2319:51
6:23
-
10K
6.21 mi10:39:4739:146:1919:23
6:14
-0:09
15K
9.32 mi10:59:0958:366:1719:22
6:14
0:00
20K
12.43 mi11:18:391:18:066:1719:30
6:17
+0:03
Half
13.11 mi11:22:551:22:226:174:16
6:15
-0:02
25K
15.53 mi11:38:021:37:296:1715:07
6:14
-0:01
30K
18.64 mi11:57:391:57:066:1719:37
6:19
+0:05
20M
20.00 mi12:06:092:05:366:178:30
6:15
-0:04
21M
21.00 mi12:12:502:12:176:186:41
6:41
+0:26
35K
21.75 mi12:17:212:16:486:174:31
6:02
-0:39
23M
23.00 mi12:25:042:24:316:177:43
6:10
+0:08
24M
24.00 mi12:31:002:30:276:165:56
5:56
-0:14
40K
24.85 mi12:36:132:35:406:165:13
6:06
+0:10
25.2M
25.20 mi12:38:262:37:536:162:13
6:26
+0:20
Finish
26.22 mi12:44:262:43:536:156:00
5:53
-0:33

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

5:53 /mi

Average Pace

6:15 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:12

96% of race

Time at Steady Pace

6:41

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:2419:516:2319:51
6:23
#1767
10K
6.21 mi10:39:4739:146:1919:23
6:14
#1619
15K
9.32 mi10:59:0958:366:1719:22
6:14
#1524
20K
12.43 mi11:18:391:18:066:1719:30
6:17
#1445
Half
13.11 mi11:22:551:22:226:174:16
6:15
#1446
25K
15.53 mi11:38:021:37:296:1715:07
6:14
#1368
30K
18.64 mi11:57:391:57:066:1719:37
6:19
#1266
20M
20.00 mi12:06:092:05:366:178:30
6:15
#1212
21M
21.00 mi12:12:502:12:176:186:41
6:41
#1186
35K
21.75 mi12:17:212:16:486:174:31
6:02
#1154
23M
23.00 mi12:25:042:24:316:177:43
6:10
#1096
24M
24.00 mi12:31:002:30:276:165:56
5:56
#1055
40K
24.85 mi12:36:132:35:406:165:13
6:06
#1001
25.2M
25.20 mi12:38:262:37:536:162:13
6:26
#987
Finish
26.22 mi12:44:262:43:536:156:00
5:53
#947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1767168416841351(Top 5%)1285(Top 8%)1285(Top 57%)
10K6.21 mi3.10 mi1619+1481545+1391545+1391492(Top 6%)1425(Top 9%)1425(Top 64%)
15K9.32 mi3.11 mi1524+951454+911454+911351(Top 5%)1285(Top 8%)1285(Top 57%)
20K12.43 mi3.11 mi1445+791378+761378+761298(Top 5%)1239(Top 8%)1239(Top 55%)
Half13.11 mi0.68 mi1446-11379-11379-11554(Top 6%)1489(Top 10%)1489(Top 66%)
25K15.53 mi2.42 mi1368+781305+741305+741084(Top 4%)1032(Top 7%)1032(Top 46%)
30K18.64 mi3.11 mi1266+1021210+951210+95941(Top 4%)896(Top 6%)896(Top 40%)
20M20.00 mi1.36 mi1212+541157+531157+53773(Top 3%)733(Top 5%)733(Top 33%)
21M21.00 mi1.00 mi1186+261132+251132+251036(Top 4%)987(Top 7%)987(Top 44%)
35K21.75 mi0.75 mi1154+321100+321100+32775(Top 3%)734(Top 5%)734(Top 33%)
23M23.00 mi1.25 mi1096+581044+561044+56568(Top 2%)537(Top 4%)537(Top 24%)
24M24.00 mi1.00 mi1055+411003+411003+41441(Top 2%)414(Top 3%)414(Top 18%)
40K24.85 mi0.85 mi1001+54952+51952+51491(Top 2%)462(Top 3%)462(Top 21%)
25.2M25.20 mi0.35 mi987+14938+14938+14409(Top 2%)387(Top 3%)387(Top 17%)
Finish26.22 mi1.02 mi947+40899+39899+39503(Top 2%)480(Top 3%)480(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1351

Males

1285

M40-44

1285

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1492

Males

1425

M40-44

1425

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1351

Males

1285

M40-44

1285

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1298

Males

1239

M40-44

1239

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1554

Males

1489

M40-44

1489

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1084

Males

1032

M40-44

1032

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

941

Males

896

M40-44

896

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

773

Males

733

M40-44

733

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1036

Males

987

M40-44

987

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

775

Males

734

M40-44

734

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

568

Males

537

M40-44

537

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

441

Males

414

M40-44

414

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

491

Males

462

M40-44

462

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

409

Males

387

M40-44

387

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

503

Males

480

M40-44

480

Passing Analysis

Category:
Athletes Passed
923
Passed By
103
Net Change
+820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1767
5K → 10K17931+148#1767#1619
10K → 15K11722+95#1619#1524
15K → 20K9415+79#1524#1445
20K → Half56-1#1445#1446
Half → 25K835+78#1446#1368
25K → 30K1053+102#1368#1266
30K → 20M540+54#1266#1212
20M → 21M3812+26#1212#1186
21M → 35K342+32#1186#1154
35K → 23M591+58#1154#1096
23M → 24M410+41#1096#1055
24M → 40K562+54#1055#1001
40K → 25.2M151+14#1001#987
25.2M → Finish433+40#987#947
TOTALS923103+820
📊

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