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BOSTON MARATHON 2023

Zachary Dunphy

Bib: 25911•M

NY

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
30:53
Rank: #23304
Start → 5K
30:53 | 9:56/mi
10K· 6.21 mi
1:01:09
Rank: #23254 (+50)
5K → 10K
30:16 | 9:45/mi
15K· 9.32 mi
1:30:30
Rank: #22909 (+345)
10K → 15K
29:21 | 9:27/mi
20K· 12.43 mi
2:00:11
Rank: #22609 (+300)
15K → 20K
29:41 | 9:33/mi
Half· 13.11 mi
2:06:41
Rank: #22586 (+23)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:30:07
Rank: #22377 (+209)
Half → 25K
23:26 | 9:40/mi
30K· 18.64 mi
3:01:15
Rank: #22131 (+246)
25K → 30K
31:08 | 10:01/mi
20M
3:15:12
Rank: #22047 (+84)
30K → 20M
13:57 | 10:16/mi
21M
3:25:27
Rank: #21887 (+160)
20M → 21M
10:15 | 10:16/mi
35K· 21.75 mi
3:32:48
Rank: #21853 (+34)
21M → 35K
7:21 | 9:49/mi
23M
3:45:30
Rank: #21754 (+99)
35K → 23M
12:42 | 10:09/mi
24M
3:55:55
Rank: #21778 (-24)
23M → 24M
10:25 | 10:25/mi
40K· 24.85 mi
4:04:36
Rank: #21710 (+68)
24M → 40K
8:41 | 10:09/mi
25.2M
4:08:27
Rank: #21699 (+11)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:17:31
Rank: #21581 (+118)
25.2M → Finish
9:04 | 8:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:41
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:10:50
Pace9:59 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4330:539:5630:53
9:56
-
10K
6.21 mi12:23:591:01:099:5030:16
9:45
-0:11
15K
9.32 mi12:53:201:30:309:4329:21
9:27
-0:18
20K
12.43 mi13:23:012:00:119:4029:41
9:33
+0:06
Half
13.11 mi13:29:312:06:419:406:30
9:32
-0:01
25K
15.53 mi13:52:572:30:079:4023:26
9:40
+0:08
30K
18.64 mi14:24:053:01:159:4331:08
10:01
+0:21
20M
20.00 mi14:38:023:15:129:4613:57
10:16
+0:15
21M
21.00 mi14:48:173:25:279:4710:15
10:16
0:00
35K
21.75 mi14:55:383:32:489:477:21
9:49
-0:27
23M
23.00 mi15:08:203:45:309:4812:42
10:09
+0:20
24M
24.00 mi15:18:453:55:559:5010:25
10:25
+0:16
40K
24.85 mi15:27:264:04:369:508:41
10:09
-0:16
25.2M
25.20 mi15:31:174:08:279:523:51
11:10
+1:01
Finish
26.22 mi15:40:214:17:319:509:04
8:54
-2:16

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

8:54 /mi

Average Pace

9:50 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:02

38% of race

Time at Steady Pace

2:01:01

47% of race

Time at Slower Pace

38:28

15% of race

Average Pace: 9:49 /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 mi11:53:4330:539:5630:53
9:56
#23304
10K
6.21 mi12:23:591:01:099:5030:16
9:45
#23254
15K
9.32 mi12:53:201:30:309:4329:21
9:27
#22909
20K
12.43 mi13:23:012:00:119:4029:41
9:33
#22609
Half
13.11 mi13:29:312:06:419:406:30
9:32
#22586
25K
15.53 mi13:52:572:30:079:4023:26
9:40
#22377
30K
18.64 mi14:24:053:01:159:4331:08
10:01
#22131
20M
20.00 mi14:38:023:15:129:4613:57
10:16
#22047
21M
21.00 mi14:48:173:25:279:4710:15
10:16
#21887
35K
21.75 mi14:55:383:32:489:477:21
9:49
#21853
23M
23.00 mi15:08:203:45:309:4812:42
10:09
#21754
24M
24.00 mi15:18:453:55:559:5010:25
10:25
#21778
40K
24.85 mi15:27:264:04:369:508:41
10:09
#21710
25.2M
25.20 mi15:31:174:08:279:523:51
11:10
#21699
Finish
26.22 mi15:40:214:17:319:509:04
8:54
#21581
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23304137291372922095(Top 83%)13231(Top 87%)13231(Top 250%)
10K6.21 mi3.10 mi23254+5013725+413725+423137(Top 87%)13708(Top 90%)13708(Top 259%)
15K9.32 mi3.11 mi22909+34513586+13913586+13922095(Top 83%)13231(Top 87%)13231(Top 250%)
20K12.43 mi3.11 mi22609+30013451+13513451+13521706(Top 82%)13056(Top 86%)13056(Top 247%)
Half13.11 mi0.68 mi22586+2313429+2213429+2222152(Top 83%)13262(Top 87%)13262(Top 251%)
25K15.53 mi2.42 mi22377+20913312+11713312+11721339(Top 80%)12856(Top 85%)12856(Top 243%)
30K18.64 mi3.11 mi22131+24613198+11413198+11421085(Top 79%)12669(Top 83%)12669(Top 240%)
20M20.00 mi1.36 mi22047+8413151+4713151+4721161(Top 79%)12637(Top 83%)12637(Top 239%)
21M21.00 mi1.00 mi21887+16013074+7713074+7718912(Top 71%)11597(Top 76%)11597(Top 219%)
35K21.75 mi0.75 mi21853+3413050+2413050+2420822(Top 78%)12400(Top 82%)12400(Top 235%)
23M23.00 mi1.25 mi21754+9912988+6212988+6220416(Top 77%)12214(Top 80%)12214(Top 231%)
24M24.00 mi1.00 mi21778-2412991-312991-321833(Top 82%)12793(Top 84%)12793(Top 242%)
40K24.85 mi0.85 mi21710+6812946+4512946+4520379(Top 77%)12092(Top 80%)12092(Top 229%)
25.2M25.20 mi0.35 mi21699+1112936+1012936+1020807(Top 78%)12307(Top 81%)12307(Top 233%)
Finish26.22 mi1.02 mi21581+11812876+6012876+6017477(Top 66%)10825(Top 71%)10825(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22095

Males

13231

M18-39

13231

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23137

Males

13708

M18-39

13708

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22095

Males

13231

M18-39

13231

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21706

Males

13056

M18-39

13056

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22152

Males

13262

M18-39

13262

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21339

Males

12856

M18-39

12856

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21085

Males

12669

M18-39

12669

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21161

Males

12637

M18-39

12637

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18912

Males

11597

M18-39

11597

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20822

Males

12400

M18-39

12400

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20416

Males

12214

M18-39

12214

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21833

Males

12793

M18-39

12793

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20379

Males

12092

M18-39

12092

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20807

Males

12307

M18-39

12307

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17477

Males

10825

M18-39

10825

Passing Analysis

Category:
Athletes Passed
2146
Passed By
423
Net Change
+1723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23304
5K → 10K235185+50#23304#23254
10K → 15K37934+345#23254#22909
15K → 20K32525+300#22909#22609
20K → Half3411+23#22609#22586
Half → 25K22011+209#22586#22377
25K → 30K26721+246#22377#22131
30K → 20M11026+84#22131#22047
20M → 21M1655+160#22047#21887
21M → 35K4410+34#21887#21853
35K → 23M11819+99#21853#21754
23M → 24M2953-24#21754#21778
24M → 40K768+68#21778#21710
40K → 25.2M2413+11#21710#21699
25.2M → Finish1202+118#21699#21581
TOTALS2146423+1723
📊

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