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BOSTON MARATHON 2023

William Hafferty

Bib: 25302•M

VT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:08
Rank: #23491
Start → 5K
31:08 | 10:01/mi
10K· 6.21 mi
1:02:39
Rank: #23807 (-316)
5K → 10K
31:31 | 10:09/mi
15K· 9.32 mi
1:35:41
Rank: #24145 (-338)
10K → 15K
33:02 | 10:38/mi
20K· 12.43 mi
2:09:56
Rank: #24339 (-194)
15K → 20K
34:15 | 11:01/mi
Half· 13.11 mi
2:17:26
Rank: #24377 (-38)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
2:46:01
Rank: #24539 (-162)
Half → 25K
28:35 | 11:47/mi
30K· 18.64 mi
3:24:05
Rank: #24586 (-47)
25K → 30K
38:04 | 12:15/mi
20M
3:40:01
Rank: #24540 (+46)
30K → 20M
15:56 | 11:43/mi
21M
3:55:10
Rank: #24699 (-159)
20M → 21M
15:09 | 15:09/mi
35K· 21.75 mi
4:04:01
Rank: #24693 (+6)
21M → 35K
8:51 | 11:50/mi
23M
4:19:14
Rank: #24658 (+35)
35K → 23M
15:13 | 12:09/mi
24M
4:30:08
Rank: #24591 (+67)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:38:17
Rank: #24448 (+143)
24M → 40K
8:09 | 9:32/mi
25.2M
4:41:38
Rank: #24374 (+74)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
4:50:39
Rank: #24224 (+150)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:26
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:33:13
Pace11:41 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3931:0810:0131:08
10:01
-
10K
6.21 mi12:19:101:02:3910:0531:31
10:09
+0:08
15K
9.32 mi12:52:121:35:4110:1633:02
10:38
+0:29
20K
12.43 mi13:26:272:09:5610:2734:15
11:01
+0:23
Half
13.11 mi13:33:572:17:2610:297:30
11:00
-0:01
25K
15.53 mi14:02:322:46:0110:4128:35
11:47
+0:47
30K
18.64 mi14:40:363:24:0510:5738:04
12:15
+0:28
20M
20.00 mi14:56:323:40:0111:0015:56
11:43
-0:32
21M
21.00 mi15:11:413:55:1011:1215:09
15:09
+3:26
35K
21.75 mi15:20:324:04:0111:138:51
11:50
-3:19
23M
23.00 mi15:35:454:19:1411:1615:13
12:09
+0:19
24M
24.00 mi15:46:394:30:0811:1510:54
10:54
-1:15
40K
24.85 mi15:54:484:38:1711:128:09
9:32
-1:22
25.2M
25.20 mi15:58:094:41:3811:113:21
9:43
+0:11
Finish
26.22 mi16:07:104:50:3911:069:01
8:51
-0:52

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

8:51 /mi

Average Pace

11:06 /mi

Slowest Pace

15:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:10

29% of race

Time at Steady Pace

1:41:37

35% of race

Time at Slower Pace

1:45:52

36% of race

Average Pace: 11:05 /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 mi11:47:3931:0810:0131:08
10:01
#23491
10K
6.21 mi12:19:101:02:3910:0531:31
10:09
#23807
15K
9.32 mi12:52:121:35:4110:1633:02
10:38
#24145
20K
12.43 mi13:26:272:09:5610:2734:15
11:01
#24339
Half
13.11 mi13:33:572:17:2610:297:30
11:00
#24377
25K
15.53 mi14:02:322:46:0110:4128:35
11:47
#24539
30K
18.64 mi14:40:363:24:0510:5738:04
12:15
#24586
20M
20.00 mi14:56:323:40:0111:0015:56
11:43
#24540
21M
21.00 mi15:11:413:55:1011:1215:09
15:09
#24699
35K
21.75 mi15:20:324:04:0111:138:51
11:50
#24693
23M
23.00 mi15:35:454:19:1411:1615:13
12:09
#24658
24M
24.00 mi15:46:394:30:0811:1510:54
10:54
#24591
40K
24.85 mi15:54:484:38:1711:128:09
9:32
#24448
25.2M
25.20 mi15:58:094:41:3811:113:21
9:43
#24374
Finish
26.22 mi16:07:104:50:3911:069:01
8:51
#24224
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23491138271382724684(Top 93%)14378(Top 95%)14378(Top 272%)
10K6.21 mi3.10 mi23807-31613997-17013997-17024002(Top 90%)14094(Top 93%)14094(Top 267%)
15K9.32 mi3.11 mi24145-33814153-15614153-15624684(Top 93%)14378(Top 95%)14378(Top 272%)
20K12.43 mi3.11 mi24339-19414234-8114234-8124658(Top 93%)14348(Top 95%)14348(Top 271%)
Half13.11 mi0.68 mi24377-3814245-1114245-1124921(Top 94%)14442(Top 95%)14442(Top 273%)
25K15.53 mi2.42 mi24539-16214307-6214307-6224968(Top 94%)14449(Top 95%)14449(Top 273%)
30K18.64 mi3.11 mi24586-4714312-514312-524763(Top 93%)14309(Top 94%)14309(Top 271%)
20M20.00 mi1.36 mi24540+4614286+2614286+2623851(Top 90%)13838(Top 91%)13838(Top 262%)
21M21.00 mi1.00 mi24699-15914347-6114347-6125811(Top 97%)14780(Top 97%)14780(Top 280%)
35K21.75 mi0.75 mi24693+614337+1014337+1024504(Top 92%)14082(Top 93%)14082(Top 266%)
23M23.00 mi1.25 mi24658+3514317+2014317+2024185(Top 91%)13936(Top 92%)13936(Top 264%)
24M24.00 mi1.00 mi24591+6714273+4414273+4422849(Top 86%)13278(Top 87%)13278(Top 251%)
40K24.85 mi0.85 mi24448+14314208+6514208+6518439(Top 69%)11246(Top 74%)11246(Top 213%)
25.2M25.20 mi0.35 mi24374+7414166+4214166+4216167(Top 61%)10211(Top 67%)10211(Top 193%)
Finish26.22 mi1.02 mi24224+15014097+6914097+6917266(Top 65%)10738(Top 71%)10738(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24684

Males

14378

M18-39

14378

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

24002

Males

14094

M18-39

14094

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24684

Males

14378

M18-39

14378

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24658

Males

14348

M18-39

14348

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24921

Males

14442

M18-39

14442

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24968

Males

14449

M18-39

14449

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24763

Males

14309

M18-39

14309

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23851

Males

13838

M18-39

13838

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25811

Males

14780

M18-39

14780

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24504

Males

14082

M18-39

14082

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24185

Males

13936

M18-39

13936

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22849

Males

13278

M18-39

13278

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18439

Males

11246

M18-39

11246

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16167

Males

10211

M18-39

10211

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17266

Males

10738

M18-39

10738

Passing Analysis

Category:
Athletes Passed
897
Passed By
1630
Net Change
-733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23491
5K → 10K86402-316#23491#23807
10K → 15K29367-338#23807#24145
15K → 20K57251-194#24145#24339
20K → Half1149-38#24339#24377
Half → 25K37199-162#24377#24539
25K → 30K84131-47#24539#24586
30K → 20M7024+46#24586#24540
20M → 21M6165-159#24540#24699
21M → 35K2822+6#24699#24693
35K → 23M5217+35#24693#24658
23M → 24M703+67#24658#24591
24M → 40K1430+143#24591#24448
40K → 25.2M740+74#24448#24374
25.2M → Finish1500+150#24374#24224
TOTALS8971630-733
📊

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