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BOSTON MARATHON 2023

Joseph Duffey

Bib: 26827•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:52
Rank: #24900
Start → 5K
32:52 | 10:35/mi
10K· 6.21 mi
1:05:57
Rank: #24938 (-38)
5K → 10K
33:05 | 10:39/mi
15K· 9.32 mi
1:39:47
Rank: #24988 (-50)
10K → 15K
33:50 | 10:53/mi
20K· 12.43 mi
2:15:37
Rank: #25084 (-96)
15K → 20K
35:50 | 11:32/mi
Half· 13.11 mi
2:23:12
Rank: #25089 (-5)
20K → Half
7:35 | 11:07/mi
25K· 15.53 mi
2:56:19
Rank: #25443 (-354)
Half → 25K
33:07 | 13:40/mi
30K· 18.64 mi
3:37:44
Rank: #25502 (-59)
25K → 30K
41:25 | 13:20/mi
20M
3:56:16
Rank: #25543 (-41)
30K → 20M
18:32 | 13:38/mi
21M
4:11:23
Rank: #25576 (-33)
20M → 21M
15:07 | 15:07/mi
35K· 21.75 mi
4:21:05
Rank: #25575 (+1)
21M → 35K
9:42 | 12:58/mi
23M
4:38:39
Rank: #25607 (-32)
35K → 23M
17:34 | 14:02/mi
24M
4:51:52
Rank: #25620 (-13)
23M → 24M
13:13 | 13:13/mi
40K· 24.85 mi
5:03:37
Rank: #25628 (-8)
24M → 40K
11:45 | 13:45/mi
25.2M
5:08:43
Rank: #25636 (-8)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
5:21:46
Rank: #25662 (-26)
25.2M → Finish
13:03 | 12:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:12
Pace10:55 /mi
2nd Half
Distance13.11 mi
Time2:58:34
Pace13:37 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3232:5210:3532:52
10:35
-
10K
6.21 mi12:24:371:05:5710:3733:05
10:39
+0:04
15K
9.32 mi12:58:271:39:4710:4233:50
10:53
+0:14
20K
12.43 mi13:34:172:15:3710:5535:50
11:32
+0:39
Half
13.11 mi13:41:522:23:1210:557:35
11:07
-0:25
25K
15.53 mi14:14:592:56:1911:2133:07
13:40
+2:33
30K
18.64 mi14:56:243:37:4411:4141:25
13:20
-0:20
20M
20.00 mi15:14:563:56:1611:4918:32
13:38
+0:18
21M
21.00 mi15:30:034:11:2311:5815:07
15:07
+1:29
35K
21.75 mi15:39:454:21:0512:009:42
12:58
-2:09
23M
23.00 mi15:57:194:38:3912:0717:34
14:02
+1:04
24M
24.00 mi16:10:324:51:5212:1013:13
13:13
-0:49
40K
24.85 mi16:22:175:03:3712:1311:45
13:45
+0:32
25.2M
25.20 mi16:27:235:08:4312:155:06
14:47
+1:02
Finish
26.22 mi16:40:265:21:4612:1713:03
12:48
-1:59

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

10:35 /mi

Average Pace

12:17 /mi

Slowest Pace

15:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:12

45% of race

Time at Steady Pace

2:20:47

44% of race

Time at Slower Pace

37:47

12% of race

Average Pace: 12:16 /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 mi11:51:3232:5210:3532:52
10:35
#24900
10K
6.21 mi12:24:371:05:5710:3733:05
10:39
#24938
15K
9.32 mi12:58:271:39:4710:4233:50
10:53
#24988
20K
12.43 mi13:34:172:15:3710:5535:50
11:32
#25084
Half
13.11 mi13:41:522:23:1210:557:35
11:07
#25089
25K
15.53 mi14:14:592:56:1911:2133:07
13:40
#25443
30K
18.64 mi14:56:243:37:4411:4141:25
13:20
#25502
20M
20.00 mi15:14:563:56:1611:4918:32
13:38
#25543
21M
21.00 mi15:30:034:11:2311:5815:07
15:07
#25576
35K
21.75 mi15:39:454:21:0512:009:42
12:58
#25575
23M
23.00 mi15:57:194:38:3912:0717:34
14:02
#25607
24M
24.00 mi16:10:324:51:5212:1013:13
13:13
#25620
40K
24.85 mi16:22:175:03:3712:1311:45
13:45
#25628
25.2M
25.20 mi16:27:235:08:4312:155:06
14:47
#25636
Finish
26.22 mi16:40:265:21:4612:1713:03
12:48
#25662
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24900144931449325048(Top 94%)14540(Top 96%)14540(Top 1310%)
10K6.21 mi3.10 mi24938-3814517-2414517-2424940(Top 94%)14509(Top 96%)14509(Top 1307%)
15K9.32 mi3.11 mi24988-5014538-2114538-2125048(Top 94%)14540(Top 96%)14540(Top 1310%)
20K12.43 mi3.11 mi25084-9614560-2214560-2225283(Top 95%)14615(Top 96%)14615(Top 1317%)
Half13.11 mi0.68 mi25089-5145601456025103(Top 94%)14534(Top 96%)14534(Top 1309%)
25K15.53 mi2.42 mi25443-35414695-13514695-13526194(Top 98%)14988(Top 99%)14988(Top 1350%)
30K18.64 mi3.11 mi25502-5914703-814703-825655(Top 96%)14709(Top 97%)14709(Top 1325%)
20M20.00 mi1.36 mi25543-4114721-1814721-1825627(Top 96%)14685(Top 97%)14685(Top 1323%)
21M21.00 mi1.00 mi25576-3314730-914730-925790(Top 97%)14770(Top 97%)14770(Top 1331%)
35K21.75 mi0.75 mi25575+114729+114729+125539(Top 96%)14601(Top 96%)14601(Top 1315%)
23M23.00 mi1.25 mi25607-3214733-414733-425843(Top 97%)14757(Top 97%)14757(Top 1329%)
24M24.00 mi1.00 mi25620-1314739-614739-625622(Top 96%)14613(Top 96%)14613(Top 1316%)
40K24.85 mi0.85 mi25628-814741-214741-225522(Top 96%)14565(Top 96%)14565(Top 1312%)
25.2M25.20 mi0.35 mi25636-814744-314744-325580(Top 96%)14591(Top 96%)14591(Top 1315%)
Finish26.22 mi1.02 mi25662-2614754-1014754-1025860(Top 97%)14737(Top 97%)14737(Top 1328%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25048

Males

14540

M60-64

14540

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24940

Males

14509

M60-64

14509

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25048

Males

14540

M60-64

14540

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25283

Males

14615

M60-64

14615

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25103

Males

14534

M60-64

14534

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26194

Males

14988

M60-64

14988

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25655

Males

14709

M60-64

14709

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

25627

Males

14685

M60-64

14685

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25790

Males

14770

M60-64

14770

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25539

Males

14601

M60-64

14601

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25843

Males

14757

M60-64

14757

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25622

Males

14613

M60-64

14613

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25522

Males

14565

M60-64

14565

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25580

Males

14591

M60-64

14591

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25860

Males

14737

M60-64

14737

Passing Analysis

Category:
Athletes Passed
511
Passed By
1273
Net Change
-762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24900
5K → 10K171209-38#24900#24938
10K → 15K92142-50#24938#24988
15K → 20K65161-96#24988#25084
20K → Half1722-5#25084#25089
Half → 25K8362-354#25089#25443
25K → 30K56115-59#25443#25502
30K → 20M2061-41#25502#25543
20M → 21M1447-33#25543#25576
21M → 35K1817+1#25576#25575
35K → 23M1345-32#25575#25607
23M → 24M1023-13#25607#25620
24M → 40K1321-8#25620#25628
40K → 25.2M816-8#25628#25636
25.2M → Finish632-26#25636#25662
TOTALS5111273-762
📊

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