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BOSTON MARATHON 2023

Valeriu Nalban

Bib: 1731•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:40
Rank: #700
Start → 5K
18:40 | 6:00/mi
10K· 6.21 mi
36:49
Rank: #598 (+102)
5K → 10K
18:09 | 5:51/mi
15K· 9.32 mi
55:17
Rank: #589 (+9)
10K → 15K
18:28 | 5:57/mi
20K· 12.43 mi
1:14:00
Rank: #582 (+7)
15K → 20K
18:43 | 6:01/mi
Half· 13.11 mi
1:18:00
Rank: #573 (+9)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:32:29
Rank: #551 (+22)
Half → 25K
14:29 | 5:58/mi
30K· 18.64 mi
1:51:19
Rank: #526 (+25)
25K → 30K
18:50 | 6:04/mi
20M
1:59:39
Rank: #519 (+7)
30K → 20M
8:20 | 6:08/mi
21M
2:06:12
Rank: #516 (+3)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:10:39
Rank: #519 (-3)
21M → 35K
4:27 | 5:57/mi
23M
2:18:28
Rank: #516 (+3)
35K → 23M
7:49 | 6:15/mi
24M
2:24:37
Rank: #524 (-8)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:30:02
Rank: #531 (-7)
24M → 40K
5:25 | 6:20/mi
25.2M
2:32:22
Rank: #534 (-3)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:38:39
Rank: #542 (-8)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:00
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:20:39
Pace6:09 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5518:406:0018:40
6:00
-
10K
6.21 mi10:37:0436:495:5618:09
5:51
-0:09
15K
9.32 mi10:55:3255:175:5618:28
5:57
+0:06
20K
12.43 mi11:14:151:14:005:5718:43
6:01
+0:04
Half
13.11 mi11:18:151:18:005:574:00
5:52
-0:09
25K
15.53 mi11:32:441:32:295:5714:29
5:58
+0:06
30K
18.64 mi11:51:341:51:195:5818:50
6:04
+0:06
20M
20.00 mi11:59:541:59:395:598:20
6:08
+0:04
21M
21.00 mi12:06:272:06:126:016:33
6:33
+0:25
35K
21.75 mi12:10:542:10:396:004:27
5:57
-0:36
23M
23.00 mi12:18:432:18:286:017:49
6:15
+0:18
24M
24.00 mi12:24:522:24:376:026:09
6:09
-0:06
40K
24.85 mi12:30:172:30:026:025:25
6:20
+0:11
25.2M
25.20 mi12:32:372:32:226:032:20
6:46
+0:26
Finish
26.22 mi12:38:542:38:396:036:17
6:10
-0:36

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

5:51 /mi

Average Pace

6:03 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:46

94% of race

Time at Steady Pace

8:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:5518:406:0018:40
6:00
#700
10K
6.21 mi10:37:0436:495:5618:09
5:51
#598
15K
9.32 mi10:55:3255:175:5618:28
5:57
#589
20K
12.43 mi11:14:151:14:005:5718:43
6:01
#582
Half
13.11 mi11:18:151:18:005:574:00
5:52
#573
25K
15.53 mi11:32:441:32:295:5714:29
5:58
#551
30K
18.64 mi11:51:341:51:195:5818:50
6:04
#526
20M
20.00 mi11:59:541:59:395:598:20
6:08
#519
21M
21.00 mi12:06:272:06:126:016:33
6:33
#516
35K
21.75 mi12:10:542:10:396:004:27
5:57
#519
23M
23.00 mi12:18:432:18:286:017:49
6:15
#516
24M
24.00 mi12:24:522:24:376:026:09
6:09
#524
40K
24.85 mi12:30:172:30:026:025:25
6:20
#531
25.2M
25.20 mi12:32:372:32:226:032:20
6:46
#534
Finish
26.22 mi12:38:542:38:396:036:17
6:10
#542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi700655655588(Top 2%)545(Top 4%)545(Top 10%)
10K6.21 mi3.10 mi598+102556+99556+99490(Top 2%)452(Top 3%)452(Top 9%)
15K9.32 mi3.11 mi589+9546+10546+10588(Top 2%)545(Top 4%)545(Top 10%)
20K12.43 mi3.11 mi582+7539+7539+7603(Top 2%)563(Top 4%)563(Top 11%)
Half13.11 mi0.68 mi573+9531+8531+8483(Top 2%)445(Top 3%)445(Top 8%)
25K15.53 mi2.42 mi551+22511+20511+20508(Top 2%)471(Top 3%)471(Top 9%)
30K18.64 mi3.11 mi526+25487+24487+24450(Top 2%)418(Top 3%)418(Top 8%)
20M20.00 mi1.36 mi519+7480+7480+7534(Top 2%)500(Top 3%)500(Top 9%)
21M21.00 mi1.00 mi516+3478+2478+2741(Top 3%)699(Top 5%)699(Top 13%)
35K21.75 mi0.75 mi519-3481-3481-3585(Top 2%)547(Top 4%)547(Top 10%)
23M23.00 mi1.25 mi516+3478+3478+3692(Top 3%)652(Top 4%)652(Top 12%)
24M24.00 mi1.00 mi524-8486-8486-8861(Top 3%)816(Top 5%)816(Top 15%)
40K24.85 mi0.85 mi531-7494-8494-8975(Top 4%)922(Top 6%)922(Top 17%)
25.2M25.20 mi0.35 mi534-3497-3497-31018(Top 4%)965(Top 6%)965(Top 18%)
Finish26.22 mi1.02 mi542-8505-8505-81154(Top 4%)1098(Top 7%)1098(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

588

Males

545

M18-39

545

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

490

Males

452

M18-39

452

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

588

Males

545

M18-39

545

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

603

Males

563

M18-39

563

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

483

Males

445

M18-39

445

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

508

Males

471

M18-39

471

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

450

Males

418

M18-39

418

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

534

Males

500

M18-39

500

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

741

Males

699

M18-39

699

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

585

Males

547

M18-39

547

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

692

Males

652

M18-39

652

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

861

Males

816

M18-39

816

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

975

Males

922

M18-39

922

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1018

Males

965

M18-39

965

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1154

Males

1098

M18-39

1098

Passing Analysis

Category:
Athletes Passed
279
Passed By
121
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#700
5K → 10K1053+102#700#598
10K → 15K2213+9#598#589
15K → 20K2013+7#589#582
20K → Half101+9#582#573
Half → 25K264+22#573#551
25K → 30K272+25#551#526
30K → 20M158+7#526#519
20M → 21M1310+3#519#516
21M → 35K47-3#516#519
35K → 23M1310+3#519#516
23M → 24M816-8#516#524
24M → 40K815-7#524#531
40K → 25.2M14-3#531#534
25.2M → Finish715-8#534#542
TOTALS279121+158
📊

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