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BOSTON MARATHON 2023

Joe Nadzam

Bib: 27613•M

OH

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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
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
22:53
Rank: #8575
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
45:02
Rank: #8103 (+472)
5K → 10K
22:09 | 7:08/mi
15K· 9.32 mi
1:07:23
Rank: #7984 (+119)
10K → 15K
22:21 | 7:12/mi
20K· 12.43 mi
1:29:47
Rank: #7741 (+243)
15K → 20K
22:24 | 7:13/mi
Half· 13.11 mi
1:34:47
Rank: #7769 (-28)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:52:35
Rank: #7711 (+58)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:16:36
Rank: #7843 (-132)
25K → 30K
24:01 | 7:44/mi
20M
2:27:23
Rank: #7930 (-87)
30K → 20M
10:47 | 7:56/mi
21M
2:35:51
Rank: #8042 (-112)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:41:36
Rank: #8107 (-65)
21M → 35K
5:45 | 7:41/mi
23M
2:52:05
Rank: #8330 (-223)
35K → 23M
10:29 | 8:22/mi
24M
3:00:41
Rank: #8639 (-309)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:08:17
Rank: #8897 (-258)
24M → 40K
7:36 | 8:53/mi
25.2M
3:11:34
Rank: #8991 (-94)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:19:54
Rank: #9168 (-177)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:45:07
Pace8:01 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5222:537:2222:53
7:22
-
10K
6.21 mi12:02:0145:027:1522:09
7:08
-0:14
15K
9.32 mi12:24:221:07:237:1422:21
7:12
+0:04
20K
12.43 mi12:46:461:29:477:1322:24
7:13
+0:01
Half
13.11 mi12:51:461:34:477:145:00
7:20
+0:07
25K
15.53 mi13:09:341:52:357:1517:48
7:20
0:00
30K
18.64 mi13:33:352:16:367:2024:01
7:44
+0:24
20M
20.00 mi13:44:222:27:237:2210:47
7:56
+0:12
21M
21.00 mi13:52:502:35:517:258:28
8:28
+0:32
35K
21.75 mi13:58:352:41:367:265:45
7:41
-0:47
23M
23.00 mi14:09:042:52:057:2910:29
8:22
+0:41
24M
24.00 mi14:17:403:00:417:328:36
8:36
+0:14
40K
24.85 mi14:25:163:08:177:357:36
8:53
+0:17
25.2M
25.20 mi14:28:333:11:347:363:17
9:31
+0:38
Finish
26.22 mi14:36:533:19:547:388:20
8:11
-1:20

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

7:08 /mi

Average Pace

7:38 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:35

56% of race

Time at Steady Pace

40:33

20% of race

Time at Slower Pace

46:46

23% of race

Average Pace: 7:37 /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 mi11:39:5222:537:2222:53
7:22
#8575
10K
6.21 mi12:02:0145:027:1522:09
7:08
#8103
15K
9.32 mi12:24:221:07:237:1422:21
7:12
#7984
20K
12.43 mi12:46:461:29:477:1322:24
7:13
#7741
Half
13.11 mi12:51:461:34:477:145:00
7:20
#7769
25K
15.53 mi13:09:341:52:357:1517:48
7:20
#7711
30K
18.64 mi13:33:352:16:367:2024:01
7:44
#7843
20M
20.00 mi13:44:222:27:237:2210:47
7:56
#7930
21M
21.00 mi13:52:502:35:517:258:28
8:28
#8042
35K
21.75 mi13:58:352:41:367:265:45
7:41
#8107
23M
23.00 mi14:09:042:52:057:2910:29
8:22
#8330
24M
24.00 mi14:17:403:00:417:328:36
8:36
#8639
40K
24.85 mi14:25:163:08:177:357:36
8:53
#8897
25.2M
25.20 mi14:28:333:11:347:363:17
9:31
#8991
Finish
26.22 mi14:36:533:19:547:388:20
8:11
#9168
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8575733573357770(Top 29%)6763(Top 45%)6763(Top 128%)
10K6.21 mi3.10 mi8103+4727020+3157020+3157641(Top 29%)6692(Top 44%)6692(Top 127%)
15K9.32 mi3.11 mi7984+1196945+756945+757770(Top 29%)6763(Top 45%)6763(Top 128%)
20K12.43 mi3.11 mi7741+2436769+1766769+1767177(Top 27%)6335(Top 42%)6335(Top 120%)
Half13.11 mi0.68 mi7769-286781-126781-128919(Top 34%)7439(Top 49%)7439(Top 141%)
25K15.53 mi2.42 mi7711+586730+516730+517585(Top 28%)6528(Top 43%)6528(Top 124%)
30K18.64 mi3.11 mi7843-1326774-446774-448878(Top 33%)7205(Top 47%)7205(Top 136%)
20M20.00 mi1.36 mi7930-876814-406814-409833(Top 37%)7647(Top 50%)7647(Top 145%)
21M21.00 mi1.00 mi8042-1126867-536867-5310339(Top 39%)7760(Top 51%)7760(Top 147%)
35K21.75 mi0.75 mi8107-656891-246891-249909(Top 37%)7566(Top 50%)7566(Top 143%)
23M23.00 mi1.25 mi8330-2237016-1257016-12512453(Top 47%)8654(Top 57%)8654(Top 164%)
24M24.00 mi1.00 mi8639-3097180-1647180-16415112(Top 57%)9787(Top 64%)9787(Top 185%)
40K24.85 mi0.85 mi8897-2587305-1257305-12515612(Top 59%)9938(Top 65%)9938(Top 188%)
25.2M25.20 mi0.35 mi8991-947364-597364-5915396(Top 58%)9820(Top 65%)9820(Top 186%)
Finish26.22 mi1.02 mi9168-1777435-717435-7113340(Top 50%)8927(Top 59%)8927(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7770

Males

6763

M18-39

6763

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7641

Males

6692

M18-39

6692

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7770

Males

6763

M18-39

6763

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7177

Males

6335

M18-39

6335

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8919

Males

7439

M18-39

7439

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7585

Males

6528

M18-39

6528

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8878

Males

7205

M18-39

7205

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9833

Males

7647

M18-39

7647

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10339

Males

7760

M18-39

7760

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9909

Males

7566

M18-39

7566

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12453

Males

8654

M18-39

8654

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15112

Males

9787

M18-39

9787

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15612

Males

9938

M18-39

9938

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15396

Males

9820

M18-39

9820

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13340

Males

8927

M18-39

8927

Passing Analysis

Category:
Athletes Passed
1453
Passed By
2046
Net Change
-593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8575
5K → 10K55179+472#8575#8103
10K → 15K20283+119#8103#7984
15K → 20K26219+243#7984#7741
20K → Half1543-28#7741#7769
Half → 25K12062+58#7769#7711
25K → 30K94226-132#7711#7843
30K → 20M45132-87#7843#7930
20M → 21M41153-112#7930#8042
21M → 35K2792-65#8042#8107
35K → 23M33256-223#8107#8330
23M → 24M21330-309#8330#8639
24M → 40K12270-258#8639#8897
40K → 25.2M7101-94#8897#8991
25.2M → Finish23200-177#8991#9168
TOTALS14532046-593
📊

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