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BOSTON MARATHON 2023

Michael Biblis

Bib: 6444•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #4739
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
41:51
Rank: #4324 (+415)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:27
Rank: #4016 (+308)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:23:10
Rank: #3792 (+224)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:27:42
Rank: #3782 (+10)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:53
Rank: #3657 (+125)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:05:05
Rank: #3525 (+132)
25K → 30K
21:12 | 6:49/mi
20M
2:14:42
Rank: #3577 (-52)
30K → 20M
9:37 | 7:05/mi
21M
2:22:05
Rank: #3582 (-5)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:27:20
Rank: #3655 (-73)
21M → 35K
5:15 | 7:01/mi
23M
2:36:27
Rank: #3773 (-118)
35K → 23M
9:07 | 7:17/mi
24M
2:43:21
Rank: #3784 (-11)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:49:21
Rank: #3780 (+4)
24M → 40K
6:00 | 7:01/mi
25.2M
2:51:54
Rank: #3769 (+11)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:58:42
Rank: #3743 (+26)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:42
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:31:00
Pace6:57 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5921:096:4821:09
6:48
-
10K
6.21 mi10:45:4141:516:4420:42
6:40
-0:08
15K
9.32 mi11:06:171:02:276:4220:36
6:38
-0:02
20K
12.43 mi11:27:001:23:106:4220:43
6:40
+0:02
Half
13.11 mi11:31:321:27:426:414:32
6:39
-0:01
25K
15.53 mi11:47:431:43:536:4116:11
6:40
+0:01
30K
18.64 mi12:08:552:05:056:4321:12
6:49
+0:09
20M
20.00 mi12:18:322:14:426:449:37
7:05
+0:16
21M
21.00 mi12:25:552:22:056:467:23
7:23
+0:18
35K
21.75 mi12:31:102:27:206:465:15
7:01
-0:22
23M
23.00 mi12:40:172:36:276:489:07
7:17
+0:16
24M
24.00 mi12:47:112:43:216:486:54
6:54
-0:23
40K
24.85 mi12:53:112:49:216:496:00
7:01
+0:07
25.2M
25.20 mi12:55:442:51:546:492:33
7:24
+0:23
Finish
26.22 mi13:02:322:58:426:496:48
6:40
-0:44

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

6:38 /mi

Average Pace

6:49 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:46

94% of race

Time at Steady Pace

9:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:24:5921:096:4821:09
6:48
#4739
10K
6.21 mi10:45:4141:516:4420:42
6:40
#4324
15K
9.32 mi11:06:171:02:276:4220:36
6:38
#4016
20K
12.43 mi11:27:001:23:106:4220:43
6:40
#3792
Half
13.11 mi11:31:321:27:426:414:32
6:39
#3782
25K
15.53 mi11:47:431:43:536:4116:11
6:40
#3657
30K
18.64 mi12:08:552:05:056:4321:12
6:49
#3525
20M
20.00 mi12:18:322:14:426:449:37
7:05
#3577
21M
21.00 mi12:25:552:22:056:467:23
7:23
#3582
35K
21.75 mi12:31:102:27:206:465:15
7:01
#3655
23M
23.00 mi12:40:172:36:276:489:07
7:17
#3773
24M
24.00 mi12:47:112:43:216:486:54
6:54
#3784
40K
24.85 mi12:53:112:49:216:496:00
7:01
#3780
25.2M
25.20 mi12:55:442:51:546:492:33
7:24
#3769
Finish
26.22 mi13:02:322:58:426:496:48
6:40
#3743
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4739440944093547(Top 13%)3354(Top 22%)3354(Top 63%)
10K6.21 mi3.10 mi4324+4154053+3564053+3563983(Top 15%)3749(Top 25%)3749(Top 71%)
15K9.32 mi3.11 mi4016+3083778+2753778+2753547(Top 13%)3354(Top 22%)3354(Top 63%)
20K12.43 mi3.11 mi3792+2243582+1963582+1963324(Top 12%)3154(Top 21%)3154(Top 60%)
Half13.11 mi0.68 mi3782+103574+83574+83798(Top 14%)3582(Top 24%)3582(Top 68%)
25K15.53 mi2.42 mi3657+1253459+1153459+1153193(Top 12%)3045(Top 20%)3045(Top 58%)
30K18.64 mi3.11 mi3525+1323338+1213338+1213148(Top 12%)2968(Top 20%)2968(Top 56%)
20M20.00 mi1.36 mi3577-523384-463384-464455(Top 17%)4096(Top 27%)4096(Top 78%)
21M21.00 mi1.00 mi3582-53390-63390-64050(Top 15%)3728(Top 25%)3728(Top 71%)
35K21.75 mi0.75 mi3655-733450-603450-605380(Top 20%)4776(Top 31%)4776(Top 90%)
23M23.00 mi1.25 mi3773-1183553-1033553-1035189(Top 19%)4597(Top 30%)4597(Top 87%)
24M24.00 mi1.00 mi3784-113558-53558-54144(Top 16%)3770(Top 25%)3770(Top 71%)
40K24.85 mi0.85 mi3780+43552+63552+63918(Top 15%)3521(Top 23%)3521(Top 67%)
25.2M25.20 mi0.35 mi3769+113542+103542+103388(Top 13%)3071(Top 20%)3071(Top 58%)
Finish26.22 mi1.02 mi3743+263515+273515+273353(Top 13%)3011(Top 20%)3011(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3547

Males

3354

M18-39

3354

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3983

Males

3749

M18-39

3749

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3547

Males

3354

M18-39

3354

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3324

Males

3154

M18-39

3154

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3798

Males

3582

M18-39

3582

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3193

Males

3045

M18-39

3045

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3148

Males

2968

M18-39

2968

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4455

Males

4096

M18-39

4096

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4050

Males

3728

M18-39

3728

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5380

Males

4776

M18-39

4776

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5189

Males

4597

M18-39

4597

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4144

Males

3770

M18-39

3770

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3918

Males

3521

M18-39

3521

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3388

Males

3071

M18-39

3071

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3353

Males

3011

M18-39

3011

Passing Analysis

Category:
Athletes Passed
1730
Passed By
734
Net Change
+996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4739
5K → 10K47661+415#4739#4324
10K → 15K32820+308#4324#4016
15K → 20K24925+224#4016#3792
20K → Half2212+10#3792#3782
Half → 25K15126+125#3782#3657
25K → 30K17240+132#3657#3525
30K → 20M4496-52#3525#3577
20M → 21M4752-5#3577#3582
21M → 35K1689-73#3582#3655
35K → 23M31149-118#3655#3773
23M → 24M4455-11#3773#3784
24M → 40K5854+4#3784#3780
40K → 25.2M2615+11#3780#3769
25.2M → Finish6640+26#3769#3743
TOTALS1730734+996
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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