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BOSTON MARATHON 2023

Brian King

Bib: 3734•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #3994
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:57
Rank: #4485 (-491)
5K → 10K
21:01 | 6:46/mi
15K· 9.32 mi
1:02:50
Rank: #4416 (+69)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:53
Rank: #4338 (+78)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:28:23
Rank: #4277 (+61)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:37
Rank: #4089 (+188)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:06:01
Rank: #3951 (+138)
25K → 30K
21:24 | 6:53/mi
20M
2:15:31
Rank: #3931 (+20)
30K → 20M
9:30 | 6:59/mi
21M
2:22:43
Rank: #3820 (+111)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:27:35
Rank: #3741 (+79)
21M → 35K
4:52 | 6:30/mi
23M
2:36:08
Rank: #3636 (+105)
35K → 23M
8:33 | 6:50/mi
24M
2:42:38
Rank: #3524 (+112)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:48:23
Rank: #3452 (+72)
24M → 40K
5:45 | 6:44/mi
25.2M
2:50:46
Rank: #3401 (+51)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:57:15
Rank: #3259 (+142)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:23
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:52
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0220:566:4420:56
6:44
-
10K
6.21 mi10:43:0341:576:4521:01
6:46
+0:02
15K
9.32 mi11:03:561:02:506:4420:53
6:43
-0:03
20K
12.43 mi11:24:591:23:536:4521:03
6:47
+0:04
Half
13.11 mi11:29:291:28:236:454:30
6:36
-0:11
25K
15.53 mi11:45:431:44:376:4416:14
6:42
+0:06
30K
18.64 mi12:07:072:06:016:4621:24
6:53
+0:11
20M
20.00 mi12:16:372:15:316:479:30
6:59
+0:06
21M
21.00 mi12:23:492:22:436:487:12
7:12
+0:13
35K
21.75 mi12:28:412:27:356:474:52
6:30
-0:42
23M
23.00 mi12:37:142:36:086:478:33
6:50
+0:20
24M
24.00 mi12:43:442:42:386:476:30
6:30
-0:20
40K
24.85 mi12:49:292:48:236:465:45
6:44
+0:14
25.2M
25.20 mi12:51:522:50:466:472:23
6:55
+0:11
Finish
26.22 mi12:58:212:57:156:466:29
6:22
-0:33

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

6:22 /mi

Average Pace

6:46 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:03

96% of race

Time at Steady Pace

7:12

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:22:0220:566:4420:56
6:44
#3994
10K
6.21 mi10:43:0341:576:4521:01
6:46
#4485
15K
9.32 mi11:03:561:02:506:4420:53
6:43
#4416
20K
12.43 mi11:24:591:23:536:4521:03
6:47
#4338
Half
13.11 mi11:29:291:28:236:454:30
6:36
#4277
25K
15.53 mi11:45:431:44:376:4416:14
6:42
#4089
30K
18.64 mi12:07:072:06:016:4621:24
6:53
#3951
20M
20.00 mi12:16:372:15:316:479:30
6:59
#3931
21M
21.00 mi12:23:492:22:436:487:12
7:12
#3820
35K
21.75 mi12:28:412:27:356:474:52
6:30
#3741
23M
23.00 mi12:37:142:36:086:478:33
6:50
#3636
24M
24.00 mi12:43:442:42:386:476:30
6:30
#3524
40K
24.85 mi12:49:292:48:236:465:45
6:44
#3452
25.2M
25.20 mi12:51:522:50:466:472:23
6:55
#3401
Finish
26.22 mi12:58:212:57:156:466:29
6:22
#3259
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3994374737474322(Top 16%)4047(Top 27%)4047(Top 77%)
10K6.21 mi3.10 mi4485-4914192-4454192-4454932(Top 19%)4571(Top 30%)4571(Top 86%)
15K9.32 mi3.11 mi4416+694132+604132+604322(Top 16%)4047(Top 27%)4047(Top 77%)
20K12.43 mi3.11 mi4338+784061+714061+714202(Top 16%)3933(Top 26%)3933(Top 74%)
Half13.11 mi0.68 mi4277+614005+564005+563389(Top 13%)3220(Top 21%)3220(Top 61%)
25K15.53 mi2.42 mi4089+1883838+1673838+1673324(Top 12%)3156(Top 21%)3156(Top 60%)
30K18.64 mi3.11 mi3951+1383722+1163722+1163563(Top 13%)3345(Top 22%)3345(Top 63%)
20M20.00 mi1.36 mi3931+203699+233699+233947(Top 15%)3663(Top 24%)3663(Top 69%)
21M21.00 mi1.00 mi3820+1113597+1023597+1023090(Top 12%)2894(Top 19%)2894(Top 55%)
35K21.75 mi0.75 mi3741+793526+713526+712457(Top 9%)2329(Top 15%)2329(Top 44%)
23M23.00 mi1.25 mi3636+1053432+943432+942822(Top 11%)2638(Top 17%)2638(Top 50%)
24M24.00 mi1.00 mi3524+1123330+1023330+1022107(Top 8%)1977(Top 13%)1977(Top 37%)
40K24.85 mi0.85 mi3452+723260+703260+702471(Top 9%)2291(Top 15%)2291(Top 43%)
25.2M25.20 mi0.35 mi3401+513212+483212+481519(Top 6%)1436(Top 9%)1436(Top 27%)
Finish26.22 mi1.02 mi3259+1423082+1303082+1301878(Top 7%)1756(Top 12%)1756(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4322

Males

4047

M18-39

4047

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4932

Males

4571

M18-39

4571

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4322

Males

4047

M18-39

4047

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4202

Males

3933

M18-39

3933

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3389

Males

3220

M18-39

3220

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3324

Males

3156

M18-39

3156

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3563

Males

3345

M18-39

3345

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3947

Males

3663

M18-39

3663

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3090

Males

2894

M18-39

2894

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2457

Males

2329

M18-39

2329

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2822

Males

2638

M18-39

2638

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2107

Males

1977

M18-39

1977

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2471

Males

2291

M18-39

2291

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1519

Males

1436

M18-39

1436

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1878

Males

1756

M18-39

1756

Passing Analysis

Category:
Athletes Passed
1618
Passed By
883
Net Change
+735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3994
5K → 10K69560-491#3994#4485
10K → 15K15687+69#4485#4416
15K → 20K14264+78#4416#4338
20K → Half632+61#4338#4277
Half → 25K19810+188#4277#4089
25K → 30K18446+138#4089#3951
30K → 20M7353+20#3951#3931
20M → 21M12716+111#3931#3820
21M → 35K834+79#3820#3741
35K → 23M12419+105#3741#3636
23M → 24M1186+112#3636#3524
24M → 40K808+72#3524#3452
40K → 25.2M532+51#3452#3401
25.2M → Finish1486+142#3401#3259
TOTALS1618883+735
📊

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