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BOSTON MARATHON 2023

David Hall

Bib: 8369•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4325
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:15
Rank: #4963 (-638)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:30
Rank: #5118 (-155)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:25:26
Rank: #5523 (-405)
15K → 20K
21:56 | 7:04/mi
Half· 13.11 mi
1:30:15
Rank: #5613 (-90)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:47:53
Rank: #5872 (-259)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:12:32
Rank: #6456 (-584)
25K → 30K
24:39 | 7:56/mi
20M
2:23:53
Rank: #6795 (-339)
30K → 20M
11:21 | 8:21/mi
21M
2:32:53
Rank: #7045 (-250)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:39:08
Rank: #7285 (-240)
21M → 35K
6:15 | 8:21/mi
23M
2:50:05
Rank: #7653 (-368)
35K → 23M
10:57 | 8:45/mi
24M
2:58:41
Rank: #7977 (-324)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:06:25
Rank: #8307 (-330)
24M → 40K
7:44 | 9:03/mi
25.2M
3:09:36
Rank: #8394 (-87)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:18:23
Rank: #8714 (-320)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1221:016:4621:01
6:46
-
10K
6.21 mi11:07:2642:156:4821:14
6:50
+0:04
15K
9.32 mi11:28:411:03:306:4921:15
6:50
0:00
20K
12.43 mi11:50:371:25:266:5221:56
7:04
+0:14
Half
13.11 mi11:55:261:30:156:534:49
7:04
0:00
25K
15.53 mi12:13:041:47:536:5717:38
7:16
+0:12
30K
18.64 mi12:37:432:12:327:0724:39
7:56
+0:40
20M
20.00 mi12:49:042:23:537:1211:21
8:21
+0:25
21M
21.00 mi12:58:042:32:537:179:00
9:00
+0:39
35K
21.75 mi13:04:192:39:087:196:15
8:21
-0:39
23M
23.00 mi13:15:162:50:057:2410:57
8:45
+0:24
24M
24.00 mi13:23:522:58:417:278:36
8:36
-0:09
40K
24.85 mi13:31:363:06:257:307:44
9:03
+0:27
25.2M
25.20 mi13:34:473:09:367:313:11
9:14
+0:11
Finish
26.22 mi13:43:343:18:237:348:47
8:37
-0:37

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

6:46 /mi

Average Pace

7:34 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:53

54% of race

Time at Steady Pace

1:10:35

36% of race

Time at Slower Pace

19:55

10% of race

Average Pace: 7:34 /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 mi10:46:1221:016:4621:01
6:46
#4325
10K
6.21 mi11:07:2642:156:4821:14
6:50
#4963
15K
9.32 mi11:28:411:03:306:4921:15
6:50
#5118
20K
12.43 mi11:50:371:25:266:5221:56
7:04
#5523
Half
13.11 mi11:55:261:30:156:534:49
7:04
#5613
25K
15.53 mi12:13:041:47:536:5717:38
7:16
#5872
30K
18.64 mi12:37:432:12:327:0724:39
7:56
#6456
20M
20.00 mi12:49:042:23:537:1211:21
8:21
#6795
21M
21.00 mi12:58:042:32:537:179:00
9:00
#7045
35K
21.75 mi13:04:192:39:087:196:15
8:21
#7285
23M
23.00 mi13:15:162:50:057:2410:57
8:45
#7653
24M
24.00 mi13:23:522:58:417:278:36
8:36
#7977
40K
24.85 mi13:31:363:06:257:307:44
9:03
#8307
25.2M
25.20 mi13:34:473:09:367:313:11
9:14
#8394
Finish
26.22 mi13:43:343:18:237:348:47
8:37
#8714
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4325404340435488(Top 21%)5057(Top 33%)5057(Top 226%)
10K6.21 mi3.10 mi4963-6384605-5624605-5625626(Top 21%)5168(Top 34%)5168(Top 231%)
15K9.32 mi3.11 mi5118-1554747-1424747-1425488(Top 21%)5057(Top 33%)5057(Top 226%)
20K12.43 mi3.11 mi5523-4055094-3475094-3476345(Top 24%)5736(Top 38%)5736(Top 256%)
Half13.11 mi0.68 mi5613-905173-795173-796937(Top 26%)6194(Top 41%)6194(Top 276%)
25K15.53 mi2.42 mi5872-2595381-2085381-2087118(Top 27%)6236(Top 41%)6236(Top 278%)
30K18.64 mi3.11 mi6456-5845810-4295810-42910375(Top 39%)8017(Top 53%)8017(Top 358%)
20M20.00 mi1.36 mi6795-3396049-2396049-23912665(Top 48%)8974(Top 59%)8974(Top 400%)
21M21.00 mi1.00 mi7045-2506226-1776226-17713374(Top 50%)9205(Top 61%)9205(Top 411%)
35K21.75 mi0.75 mi7285-2406365-1396365-13914377(Top 54%)9572(Top 63%)9572(Top 427%)
23M23.00 mi1.25 mi7653-3686591-2266591-22614629(Top 55%)9631(Top 63%)9631(Top 430%)
24M24.00 mi1.00 mi7977-3246772-1816772-18115017(Top 56%)9748(Top 64%)9748(Top 435%)
40K24.85 mi0.85 mi8307-3306960-1886960-18816338(Top 61%)10263(Top 68%)10263(Top 458%)
25.2M25.20 mi0.35 mi8394-877003-437003-4313697(Top 51%)9065(Top 60%)9065(Top 405%)
Finish26.22 mi1.02 mi8714-3207171-1687171-16816057(Top 60%)10186(Top 67%)10186(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5488

Males

5057

M40-44

5057

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5626

Males

5168

M40-44

5168

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5488

Males

5057

M40-44

5057

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6345

Males

5736

M40-44

5736

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6937

Males

6194

M40-44

6194

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7118

Males

6236

M40-44

6236

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10375

Males

8017

M40-44

8017

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12665

Males

8974

M40-44

8974

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13374

Males

9205

M40-44

9205

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14377

Males

9572

M40-44

9572

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14629

Males

9631

M40-44

9631

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15017

Males

9748

M40-44

9748

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16338

Males

10263

M40-44

10263

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13697

Males

9065

M40-44

9065

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16057

Males

10186

M40-44

10186

Passing Analysis

Category:
Athletes Passed
284
Passed By
4673
Net Change
-4389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4325
5K → 10K42680-638#4325#4963
10K → 15K57212-155#4963#5118
15K → 20K31436-405#5118#5523
20K → Half494-90#5523#5613
Half → 25K23282-259#5613#5872
25K → 30K30614-584#5872#6456
30K → 20M10349-339#6456#6795
20M → 21M20270-250#6795#7045
21M → 35K2242-240#7045#7285
35K → 23M19387-368#7285#7653
23M → 24M12336-324#7653#7977
24M → 40K12342-330#7977#8307
40K → 25.2M13100-87#8307#8394
25.2M → Finish9329-320#8394#8714
TOTALS2844673-4389
📊

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