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BOSTON MARATHON 2023

John Henson

Bib: 3743•M

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4278
Start → 5K
6:46/mi
21:01 split
10K· 6.21 mi
41:26
Rank: #3667 (+611)
5K → 10K
6:34/mi
20:25 split
15K· 9.32 mi
1:02:16
Rank: #3808 (-141)
10K → 15K
6:42/mi
20:50 split
20K· 12.43 mi
1:22:31
Rank: #3372 (+436)
15K → 20K
6:31/mi
20:15 split
Half· 13.11 mi
1:26:53
Rank: #3283 (+89)
20K → Half
6:24/mi
4:22 split
25K· 15.53 mi
1:42:36
Rank: #3030 (+253)
Half → 25K
6:29/mi
15:43 split
30K· 18.64 mi
2:03:06
Rank: #2762 (+268)
25K → 30K
6:36/mi
20:30 split
20M
2:12:04
Rank: #2664 (+98)
30K → 20M
6:36/mi
8:58 split
21M
2:18:46
Rank: #2527 (+137)
20M → 21M
6:42/mi
6:42 split
35K· 21.75 mi
2:23:32
Rank: #2477 (+50)
21M → 35K
6:22/mi
4:46 split
23M
2:31:40
Rank: #2380 (+97)
35K → 23M
6:30/mi
8:08 split
24M
2:38:02
Rank: #2320 (+60)
23M → 24M
6:22/mi
6:22 split
40K· 24.85 mi
2:43:38
Rank: #2282 (+38)
24M → 40K
6:33/mi
5:36 split
25.2M
2:46:06
Rank: #2262 (+20)
40K → 25.2M
7:09/mi
2:28 split
Finish· 26.22 mi
2:52:32
Rank: #2203 (+59)
25.2M → Finish
6:19/mi
6:26 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:53
Pace6:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:39
Pace6:32 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2121:016:4621:01
6:46
-
10K
6.21 mi10:42:4641:266:4020:25
6:34
-0:12
15K
9.32 mi11:03:361:02:166:4120:50
6:42
+0:08
20K
12.43 mi11:23:511:22:316:3820:15
6:31
-0:11
Half
13.11 mi11:28:131:26:536:384:22
6:24
-0:07
25K
15.53 mi11:43:561:42:366:3615:43
6:29
+0:05
30K
18.64 mi12:04:262:03:066:3620:30
6:36
+0:07
20M
20.00 mi12:13:242:12:046:368:58
6:36
0:00
21M
21.00 mi12:20:062:18:466:366:42
6:42
+0:06
35K
21.75 mi12:24:522:23:326:364:46
6:22
-0:20
23M
23.00 mi12:33:002:31:406:368:08
6:30
+0:08
24M
24.00 mi12:39:222:38:026:356:22
6:22
-0:08
40K
24.85 mi12:44:582:43:386:355:36
6:33
+0:11
25.2M
25.20 mi12:47:262:46:066:352:28
7:09
+0:36
Finish
26.22 mi12:53:522:52:326:356:26
6:19
-0:50

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

6:19 /mi

Average Pace

6:35 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:04

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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 mi10:22:2121:016:4621:01
6:46
#4278
10K
6.21 mi10:42:4641:266:4020:25
6:34
#3667
15K
9.32 mi11:03:361:02:166:4120:50
6:42
#3808
20K
12.43 mi11:23:511:22:316:3820:15
6:31
#3372
Half
13.11 mi11:28:131:26:536:384:22
6:24
#3283
25K
15.53 mi11:43:561:42:366:3615:43
6:29
#3030
30K
18.64 mi12:04:262:03:066:3620:30
6:36
#2762
20M
20.00 mi12:13:242:12:046:368:58
6:36
#2664
21M
21.00 mi12:20:062:18:466:366:42
6:42
#2527
35K
21.75 mi12:24:522:23:326:364:46
6:22
#2477
23M
23.00 mi12:33:002:31:406:368:08
6:30
#2380
24M
24.00 mi12:39:222:38:026:356:22
6:22
#2320
40K
24.85 mi12:44:582:43:386:355:36
6:33
#2282
25.2M
25.20 mi12:47:262:46:066:352:28
7:09
#2262
Finish
26.22 mi12:53:522:52:326:356:26
6:19
#2203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4278399639964158(Top 16%)3900(Top 26%)3900(Top 74%)
10K6.21 mi3.10 mi3667+6113457+5393457+5393276(Top 12%)3118(Top 21%)3118(Top 59%)
15K9.32 mi3.11 mi3808-1413592-1353592-1354158(Top 16%)3900(Top 26%)3900(Top 74%)
20K12.43 mi3.11 mi3372+4363200+3923200+3922379(Top 9%)2279(Top 15%)2279(Top 43%)
Half13.11 mi0.68 mi3283+893121+793121+792224(Top 8%)2134(Top 14%)2134(Top 40%)
25K15.53 mi2.42 mi3030+2532893+2282893+2282086(Top 8%)2000(Top 13%)2000(Top 38%)
30K18.64 mi3.11 mi2762+2682640+2532640+2531944(Top 7%)1858(Top 12%)1858(Top 35%)
20M20.00 mi1.36 mi2664+982545+952545+951860(Top 7%)1773(Top 12%)1773(Top 34%)
21M21.00 mi1.00 mi2527+1372419+1262419+1261113(Top 4%)1059(Top 7%)1059(Top 20%)
35K21.75 mi0.75 mi2477+502373+462373+461862(Top 7%)1768(Top 12%)1768(Top 33%)
23M23.00 mi1.25 mi2380+972277+962277+961419(Top 5%)1347(Top 9%)1347(Top 25%)
24M24.00 mi1.00 mi2320+602220+572220+571576(Top 6%)1492(Top 10%)1492(Top 28%)
40K24.85 mi0.85 mi2282+382183+372183+371735(Top 7%)1633(Top 11%)1633(Top 31%)
25.2M25.20 mi0.35 mi2262+202167+162167+162279(Top 9%)2112(Top 14%)2112(Top 40%)
Finish26.22 mi1.02 mi2203+592111+562111+561678(Top 6%)1578(Top 10%)1578(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4158

Males

3900

M18-39

3900

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3276

Males

3118

M18-39

3118

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4158

Males

3900

M18-39

3900

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2379

Males

2279

M18-39

2279

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2224

Males

2134

M18-39

2134

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2086

Males

2000

M18-39

2000

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1944

Males

1858

M18-39

1858

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1860

Males

1773

M18-39

1773

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1113

Males

1059

M18-39

1059

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1862

Males

1768

M18-39

1768

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1419

Males

1347

M18-39

1347

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1576

Males

1492

M18-39

1492

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1735

Males

1633

M18-39

1633

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2279

Males

2112

M18-39

2112

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1678

Males

1578

M18-39

1578

Passing Analysis

Category:
Athletes Passed
2348
Passed By
273
Net Change
+2075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4278
5K → 10K65039+611#4278#3667
10K → 15K59200-141#3667#3808
15K → 20K4404+436#3808#3372
20K → Half890+89#3372#3283
Half → 25K2552+253#3283#3030
25K → 30K2735+268#3030#2762
30K → 20M1002+98#2762#2664
20M → 21M1370+137#2664#2527
21M → 35K522+50#2527#2477
35K → 23M992+97#2477#2380
23M → 24M622+60#2380#2320
24M → 40K457+38#2320#2282
40K → 25.2M233+20#2282#2262
25.2M → Finish645+59#2262#2203
TOTALS2348273+2075
📊

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