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BOSTON MARATHON 2023

Joseph Black

Bib: 5311•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 30%
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
21:20
Rank: #5271
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:30
Rank: #5311 (-40)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:03:30
Rank: #5114 (+197)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:29
Rank: #4828 (+286)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:29:02
Rank: #4780 (+48)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:27
Rank: #4574 (+206)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
2:07:02
Rank: #4435 (+139)
25K → 30K
21:35 | 6:57/mi
20M
2:16:35
Rank: #4410 (+25)
30K → 20M
9:33 | 7:02/mi
21M
2:24:18
Rank: #4514 (-104)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:29:34
Rank: #4557 (-43)
21M → 35K
5:16 | 7:02/mi
23M
2:38:49
Rank: #4626 (-69)
35K → 23M
9:15 | 7:23/mi
24M
2:46:15
Rank: #4724 (-98)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:53:00
Rank: #4844 (-120)
24M → 40K
6:45 | 7:54/mi
25.2M
2:55:49
Rank: #4860 (-16)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:03:20
Rank: #4913 (-53)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:34:18
Pace7:12 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4121:206:5221:20
6:52
-
10K
6.21 mi10:44:5142:306:5021:10
6:49
-0:03
15K
9.32 mi11:05:511:03:306:4921:00
6:46
-0:03
20K
12.43 mi11:26:501:24:296:4820:59
6:45
-0:01
Half
13.11 mi11:31:231:29:026:474:33
6:40
-0:05
25K
15.53 mi11:47:481:45:276:4716:25
6:46
+0:06
30K
18.64 mi12:09:232:07:026:4921:35
6:57
+0:11
20M
20.00 mi12:18:562:16:356:509:33
7:02
+0:05
21M
21.00 mi12:26:392:24:186:527:43
7:43
+0:41
35K
21.75 mi12:31:552:29:346:535:16
7:02
-0:41
23M
23.00 mi12:41:102:38:496:549:15
7:23
+0:21
24M
24.00 mi12:48:362:46:156:567:26
7:26
+0:03
40K
24.85 mi12:55:212:53:006:586:45
7:54
+0:28
25.2M
25.20 mi12:58:102:55:496:592:49
8:10
+0:16
Finish
26.22 mi13:05:413:03:207:007:31
7:23
-0:47

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

6:40 /mi

Average Pace

7:00 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:57

34% of race

Time at Steady Pace

1:18:54

43% of race

Time at Slower Pace

41:29

23% of race

Average Pace: 7:00 /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 mi10:23:4121:206:5221:20
6:52
#5271
10K
6.21 mi10:44:5142:306:5021:10
6:49
#5311
15K
9.32 mi11:05:511:03:306:4921:00
6:46
#5114
20K
12.43 mi11:26:501:24:296:4820:59
6:45
#4828
Half
13.11 mi11:31:231:29:026:474:33
6:40
#4780
25K
15.53 mi11:47:481:45:276:4716:25
6:46
#4574
30K
18.64 mi12:09:232:07:026:4921:35
6:57
#4435
20M
20.00 mi12:18:562:16:356:509:33
7:02
#4410
21M
21.00 mi12:26:392:24:186:527:43
7:43
#4514
35K
21.75 mi12:31:552:29:346:535:16
7:02
#4557
23M
23.00 mi12:41:102:38:496:549:15
7:23
#4626
24M
24.00 mi12:48:362:46:156:567:26
7:26
#4724
40K
24.85 mi12:55:212:53:006:586:45
7:54
#4844
25.2M
25.20 mi12:58:102:55:496:592:49
8:10
#4860
Finish
26.22 mi13:05:413:03:207:007:31
7:23
#4913
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5271487848784704(Top 18%)4389(Top 29%)4389(Top 83%)
10K6.21 mi3.10 mi5311-404911-334911-335410(Top 20%)4987(Top 33%)4987(Top 94%)
15K9.32 mi3.11 mi5114+1974743+1684743+1684704(Top 18%)4389(Top 29%)4389(Top 83%)
20K12.43 mi3.11 mi4828+2864497+2464497+2464026(Top 15%)3780(Top 25%)3780(Top 72%)
Half13.11 mi0.68 mi4780+484454+434454+434087(Top 15%)3839(Top 25%)3839(Top 73%)
25K15.53 mi2.42 mi4574+2064271+1834271+1833911(Top 15%)3679(Top 24%)3679(Top 70%)
30K18.64 mi3.11 mi4435+1394143+1284143+1284003(Top 15%)3742(Top 25%)3742(Top 71%)
20M20.00 mi1.36 mi4410+254118+254118+254214(Top 16%)3893(Top 26%)3893(Top 74%)
21M21.00 mi1.00 mi4514-1044212-944212-945695(Top 21%)4967(Top 33%)4967(Top 94%)
35K21.75 mi0.75 mi4557-434248-364248-365527(Top 21%)4890(Top 32%)4890(Top 93%)
23M23.00 mi1.25 mi4626-694303-554303-555772(Top 22%)5022(Top 33%)5022(Top 95%)
24M24.00 mi1.00 mi4724-984388-854388-857221(Top 27%)5834(Top 38%)5834(Top 110%)
40K24.85 mi0.85 mi4844-1204474-864474-869251(Top 35%)6937(Top 46%)6937(Top 131%)
25.2M25.20 mi0.35 mi4860-164485-114485-117395(Top 28%)5795(Top 38%)5795(Top 110%)
Finish26.22 mi1.02 mi4913-534521-364521-367573(Top 28%)5902(Top 39%)5902(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4704

Males

4389

M18-39

4389

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5410

Males

4987

M18-39

4987

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4704

Males

4389

M18-39

4389

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4026

Males

3780

M18-39

3780

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4087

Males

3839

M18-39

3839

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3911

Males

3679

M18-39

3679

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4003

Males

3742

M18-39

3742

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4214

Males

3893

M18-39

3893

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5695

Males

4967

M18-39

4967

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5527

Males

4890

M18-39

4890

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5772

Males

5022

M18-39

5022

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7221

Males

5834

M18-39

5834

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9251

Males

6937

M18-39

6937

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7395

Males

5795

M18-39

5795

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7573

Males

5902

M18-39

5902

Passing Analysis

Category:
Athletes Passed
1463
Passed By
1105
Net Change
+358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5271
5K → 10K183223-40#5271#5311
10K → 15K23437+197#5311#5114
15K → 20K29913+286#5114#4828
20K → Half5911+48#4828#4780
Half → 25K22620+206#4780#4574
25K → 30K19455+139#4574#4435
30K → 20M7146+25#4435#4410
20M → 21M32136-104#4410#4514
21M → 35K3174-43#4514#4557
35K → 23M48117-69#4557#4626
23M → 24M24122-98#4626#4724
24M → 40K17137-120#4724#4844
40K → 25.2M1430-16#4844#4860
25.2M → Finish3184-53#4860#4913
TOTALS14631105+358
📊

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