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BOSTON MARATHON 2023

Vladyslav Laskarzhevsky

Bib: 1276•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:28/mi
20:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
40:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:01:18
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:22:18
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:26:53
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:43:25
↑ 66↓ 880.2%
30K· 18.64 mi
6:58/mi
2:05:03
↑ 181↓ 1480.2%
20M
7:03/mi
2:14:38
↑ 64↓ 500.2%
21M
7:25/mi
2:22:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:27:21
↑ 17↓ 861.7%
23M
7:09/mi
2:36:18
↑ 23↓ 630.6%
24M
7:01/mi
2:43:19
↓ 821.3%
40K· 24.85 mi
7:07/mi
2:49:24
↓ 200.3%
25.2M
7:24/mi
2:51:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
2:58:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:53
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3320:076:2820:07
6:28
-
10K
6.21 mi10:41:0040:346:3220:27
6:35
+0:07
15K
9.32 mi11:01:441:01:186:3520:44
6:40
+0:05
20K
12.43 mi11:22:441:22:186:3721:00
6:46
+0:06
Half
13.11 mi11:27:191:26:536:384:35
6:43
-0:03
25K
15.53 mi11:43:511:43:256:3916:32
6:49
+0:06
30K
18.64 mi12:05:292:05:036:4221:38
6:58
+0:09
20M
20.00 mi12:15:042:14:386:449:35
7:03
+0:05
21M
21.00 mi12:22:292:22:036:467:25
7:25
+0:22
35K
21.75 mi12:27:472:27:216:475:18
7:05
-0:20
23M
23.00 mi12:36:442:36:186:488:57
7:09
+0:04
24M
24.00 mi12:43:452:43:196:487:01
7:01
-0:08
40K
24.85 mi12:49:502:49:246:496:05
7:07
+0:06
25.2M
25.20 mi12:52:232:51:576:492:33
7:24
+0:17
Finish
26.22 mi12:59:212:58:556:506:58
6:50
-0:34

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

6:28 /mi

Average Pace

6:50 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:55

86% of race

Time at Steady Pace

25:00

14% 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 mi10:20:3320:076:2820:07
6:28
#2151
10K
6.21 mi10:41:0040:346:3220:27
6:35
#2677
15K
9.32 mi11:01:441:01:186:3520:44
6:40
#3023
20K
12.43 mi11:22:441:22:186:3721:00
6:46
#3241
Half
13.11 mi11:27:191:26:536:384:35
6:43
#3289
25K
15.53 mi11:43:511:43:256:3916:32
6:49
#3408
30K
18.64 mi12:05:292:05:036:4221:38
6:58
#3509
20M
20.00 mi12:15:042:14:386:449:35
7:03
#3550
21M
21.00 mi12:22:292:22:036:467:25
7:25
#3572
35K
21.75 mi12:27:472:27:216:475:18
7:05
#3664
23M
23.00 mi12:36:442:36:186:488:57
7:09
#3703
24M
24.00 mi12:43:452:43:196:487:01
7:01
#3770
40K
24.85 mi12:49:502:49:246:496:05
7:07
#3802
25.2M
25.20 mi12:52:232:51:576:492:33
7:24
#3785
Finish
26.22 mi12:59:212:58:556:506:58
6:50
#3833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2151205120513869(Top 15%)3637(Top 24%)3637(Top 162%)
10K6.21 mi3.10 mi2677-5262555-5042555-5043362(Top 13%)3199(Top 21%)3199(Top 143%)
15K9.32 mi3.11 mi3023-3462882-3272882-3273869(Top 15%)3637(Top 24%)3637(Top 162%)
20K12.43 mi3.11 mi3241-2183083-2013083-2014067(Top 15%)3813(Top 25%)3813(Top 170%)
Half13.11 mi0.68 mi3289-483127-443127-444467(Top 17%)4159(Top 27%)4159(Top 186%)
25K15.53 mi2.42 mi3408-1193238-1113238-1114296(Top 16%)4012(Top 26%)4012(Top 179%)
30K18.64 mi3.11 mi3509-1013322-843322-844092(Top 15%)3819(Top 25%)3819(Top 170%)
20M20.00 mi1.36 mi3550-413358-363358-364322(Top 16%)3982(Top 26%)3982(Top 178%)
21M21.00 mi1.00 mi3572-223380-223380-224184(Top 16%)3836(Top 25%)3836(Top 171%)
35K21.75 mi0.75 mi3664-923459-793459-795763(Top 22%)5053(Top 33%)5053(Top 225%)
23M23.00 mi1.25 mi3703-393490-313490-314532(Top 17%)4104(Top 27%)4104(Top 183%)
24M24.00 mi1.00 mi3770-673546-563546-564731(Top 18%)4222(Top 28%)4222(Top 188%)
40K24.85 mi0.85 mi3802-323573-273573-274428(Top 17%)3929(Top 26%)3929(Top 175%)
25.2M25.20 mi0.35 mi3785+173558+153558+153392(Top 13%)3075(Top 20%)3075(Top 137%)
Finish26.22 mi1.02 mi3833-483598-403598-404266(Top 16%)3742(Top 25%)3742(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3869

Males

3637

M40-44

3637

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3362

Males

3199

M40-44

3199

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3869

Males

3637

M40-44

3637

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4067

Males

3813

M40-44

3813

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4467

Males

4159

M40-44

4159

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4296

Males

4012

M40-44

4012

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4092

Males

3819

M40-44

3819

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4322

Males

3982

M40-44

3982

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4184

Males

3836

M40-44

3836

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5763

Males

5053

M40-44

5053

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4532

Males

4104

M40-44

4104

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4731

Males

4222

M40-44

4222

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4428

Males

3929

M40-44

3929

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3392

Males

3075

M40-44

3075

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4266

Males

3742

M40-44

3742

Passing Analysis

Category:
Athletes Passed
464
Passed By
2146
Net Change
-1682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2151
5K → 10K18544-526#2151#2677
10K → 15K15361-346#2677#3023
15K → 20K30248-218#3023#3241
20K → Half553-48#3241#3289
Half → 25K35154-119#3289#3408
25K → 30K73174-101#3408#3509
30K → 20M4889-41#3509#3550
20M → 21M4062-22#3550#3572
21M → 35K13105-92#3572#3664
35K → 23M5190-39#3664#3703
23M → 24M2895-67#3703#3770
24M → 40K4678-32#3770#3802
40K → 25.2M2912+17#3802#3785
25.2M → Finish3381-48#3785#3833
TOTALS4642146-1682
📊

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