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BOSTON MARATHON 2023

Robert Biniaszewski

Bib: 1042•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:59
Rank: #915
Start → 5K
6:07/mi
18:59 split
10K· 6.21 mi
37:23
Rank: #768 (+147)
5K → 10K
5:55/mi
18:24 split
15K· 9.32 mi
55:46
Rank: #676 (+92)
10K → 15K
5:55/mi
18:23 split
20K· 12.43 mi
1:14:15
Rank: #622 (+54)
15K → 20K
5:57/mi
18:29 split
Half· 13.11 mi
1:18:13
Rank: #610 (+12)
20K → Half
5:49/mi
3:58 split
25K· 15.53 mi
1:32:42
Rank: #576 (+34)
Half → 25K
5:58/mi
14:29 split
30K· 18.64 mi
1:51:28
Rank: #539 (+37)
25K → 30K
6:02/mi
18:46 split
20M
1:59:36
Rank: #514 (+25)
30K → 20M
5:59/mi
8:08 split
21M
2:05:52
Rank: #496 (+18)
20M → 21M
6:16/mi
6:16 split
35K· 21.75 mi
2:10:09
Rank: #479 (+17)
21M → 35K
5:44/mi
4:17 split
23M
2:17:31
Rank: #459 (+20)
35K → 23M
5:53/mi
7:22 split
24M
2:23:19
Rank: #447 (+12)
23M → 24M
5:48/mi
5:48 split
40K· 24.85 mi
2:28:21
Rank: #426 (+21)
24M → 40K
5:53/mi
5:02 split
25.2M
2:30:34
Rank: #420 (+6)
40K → 25.2M
6:26/mi
2:13 split
Finish· 26.22 mi
2:36:28
Rank: #407 (+13)
25.2M → Finish
5:47/mi
5:54 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:18:13
Pace5:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:18:15
Pace5:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3318:596:0718:59
6:07
-
10K
6.21 mi10:37:5737:236:0118:24
5:55
-0:12
15K
9.32 mi10:56:2055:465:5918:23
5:55
0:00
20K
12.43 mi11:14:491:14:155:5818:29
5:57
+0:02
Half
13.11 mi11:18:471:18:135:583:58
5:49
-0:08
25K
15.53 mi11:33:161:32:425:5814:29
5:58
+0:09
30K
18.64 mi11:52:021:51:285:5918:46
6:02
+0:04
20M
20.00 mi12:00:101:59:365:598:08
5:59
-0:03
21M
21.00 mi12:06:262:05:526:006:16
6:16
+0:17
35K
21.75 mi12:10:432:10:095:594:17
5:44
-0:32
23M
23.00 mi12:18:052:17:315:597:22
5:53
+0:09
24M
24.00 mi12:23:532:23:195:585:48
5:48
-0:05
40K
24.85 mi12:28:552:28:215:585:02
5:53
+0:05
25.2M
25.20 mi12:31:082:30:345:582:13
6:26
+0:33
Finish
26.22 mi12:37:022:36:285:585:54
5:47
-0:39

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

5:44 /mi

Average Pace

5:58 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:15

99% of race

Time at Steady Pace

2:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:19:3318:596:0718:59
6:07
#915
10K
6.21 mi10:37:5737:236:0118:24
5:55
#768
15K
9.32 mi10:56:2055:465:5918:23
5:55
#676
20K
12.43 mi11:14:491:14:155:5818:29
5:57
#622
Half
13.11 mi11:18:471:18:135:583:58
5:49
#610
25K
15.53 mi11:33:161:32:425:5814:29
5:58
#576
30K
18.64 mi11:52:021:51:285:5918:46
6:02
#539
20M
20.00 mi12:00:101:59:365:598:08
5:59
#514
21M
21.00 mi12:06:262:05:526:006:16
6:16
#496
35K
21.75 mi12:10:432:10:095:594:17
5:44
#479
23M
23.00 mi12:18:052:17:315:597:22
5:53
#459
24M
24.00 mi12:23:532:23:195:585:48
5:48
#447
40K
24.85 mi12:28:552:28:215:585:02
5:53
#426
25.2M
25.20 mi12:31:082:30:345:582:13
6:26
#420
Finish
26.22 mi12:37:022:36:285:585:54
5:47
#407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi915861861543(Top 2%)501(Top 3%)501(Top 9%)
10K6.21 mi3.10 mi768+147724+137724+137626(Top 2%)583(Top 4%)583(Top 11%)
15K9.32 mi3.11 mi676+92633+91633+91543(Top 2%)501(Top 3%)501(Top 9%)
20K12.43 mi3.11 mi622+54579+54579+54496(Top 2%)457(Top 3%)457(Top 9%)
Half13.11 mi0.68 mi610+12567+12567+12411(Top 2%)380(Top 3%)380(Top 7%)
25K15.53 mi2.42 mi576+34535+32535+32501(Top 2%)464(Top 3%)464(Top 9%)
30K18.64 mi3.11 mi539+37499+36499+36417(Top 2%)386(Top 3%)386(Top 7%)
20M20.00 mi1.36 mi514+25475+24475+24331(Top 1%)306(Top 2%)306(Top 6%)
21M21.00 mi1.00 mi496+18458+17458+17309(Top 1%)283(Top 2%)283(Top 5%)
35K21.75 mi0.75 mi479+17442+16442+16267(Top 1%)242(Top 2%)242(Top 5%)
23M23.00 mi1.25 mi459+20423+19423+19200(Top 0.8%)177(Top 1%)177(Top 3%)
24M24.00 mi1.00 mi447+12411+12411+12247(Top 0.9%)223(Top 1%)223(Top 4%)
40K24.85 mi0.85 mi426+21391+20391+20205(Top 0.8%)183(Top 1%)183(Top 3%)
25.2M25.20 mi0.35 mi420+6385+6385+6386(Top 1%)364(Top 2%)364(Top 7%)
Finish26.22 mi1.02 mi407+13372+13372+13344(Top 1%)326(Top 2%)326(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

543

Males

501

M18-39

501

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

626

Males

583

M18-39

583

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

543

Males

501

M18-39

501

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

496

Males

457

M18-39

457

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

411

Males

380

M18-39

380

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

501

Males

464

M18-39

464

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

417

Males

386

M18-39

386

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

331

Males

306

M18-39

306

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

309

Males

283

M18-39

283

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

267

Males

242

M18-39

242

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5story building
+23ft-63ft

Overall

200

Males

177

M18-39

177

23M→24M

23.0 - 24.0 mi

Top 0.9%
×6story building
+12ft-82ft

Overall

247

Males

223

M18-39

223

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

205

Males

183

M18-39

183

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

386

Males

364

M18-39

364

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

344

Males

326

M18-39

326

Passing Analysis

Category:
Athletes Passed
527
Passed By
19
Net Change
+508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#915
5K → 10K1503+147#915#768
10K → 15K920+92#768#676
15K → 20K551+54#676#622
20K → Half120+12#622#610
Half → 25K362+34#610#576
25K → 30K392+37#576#539
30K → 20M272+25#539#514
20M → 21M191+18#514#496
21M → 35K181+17#496#479
35K → 23M211+20#479#459
23M → 24M142+12#459#447
24M → 40K221+21#447#426
40K → 25.2M71+6#426#420
25.2M → Finish152+13#420#407
TOTALS52719+508
📊

Passing Visuals

Category:
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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