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BOSTON MARATHON 2023

Aleksandr Markenzon

Bib: 3367•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #1833
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
38:52
Rank: #1391 (+442)
5K → 10K
18:58 | 6:06/mi
15K· 9.32 mi
57:58
Rank: #1250 (+141)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:17:24
Rank: #1232 (+18)
15K → 20K
19:26 | 6:15/mi
Half· 13.11 mi
1:21:39
Rank: #1239 (-7)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:01
Rank: #1276 (-37)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:57:06
Rank: #1270 (+6)
25K → 30K
20:05 | 6:28/mi
20M
2:05:53
Rank: #1269 (+1)
30K → 20M
8:47 | 6:28/mi
21M
2:12:44
Rank: #1270 (-1)
20M → 21M
6:51 | 6:51/mi
35K· 21.75 mi
2:17:30
Rank: #1276 (-6)
21M → 35K
4:46 | 6:22/mi
23M
2:26:06
Rank: #1338 (-62)
35K → 23M
8:36 | 6:52/mi
24M
2:33:25
Rank: #1473 (-135)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:40:14
Rank: #1647 (-174)
24M → 40K
6:49 | 7:58/mi
25.2M
2:42:57
Rank: #1694 (-47)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:50:00
Rank: #1783 (-89)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:39
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:28:21
Pace6:44 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2519:546:2419:54
6:24
-
10K
6.21 mi10:40:2338:526:1518:58
6:06
-0:18
15K
9.32 mi10:59:2957:586:1319:06
6:09
+0:03
20K
12.43 mi11:18:551:17:246:1419:26
6:15
+0:06
Half
13.11 mi11:23:101:21:396:144:15
6:14
-0:01
25K
15.53 mi11:38:321:37:016:1515:22
6:20
+0:06
30K
18.64 mi11:58:371:57:066:1720:05
6:28
+0:08
20M
20.00 mi12:07:242:05:536:188:47
6:28
0:00
21M
21.00 mi12:14:152:12:446:196:51
6:51
+0:23
35K
21.75 mi12:19:012:17:306:194:46
6:22
-0:29
23M
23.00 mi12:27:372:26:066:218:36
6:52
+0:30
24M
24.00 mi12:34:562:33:256:247:19
7:19
+0:27
40K
24.85 mi12:41:452:40:146:276:49
7:58
+0:39
25.2M
25.20 mi12:44:282:42:576:282:43
7:53
-0:05
Finish
26.22 mi12:51:312:50:006:297:03
6:55
-0:58

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

6:06 /mi

Average Pace

6:29 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:04

22% of race

Time at Steady Pace

1:32:35

54% of race

Time at Slower Pace

39:21

23% of race

Average Pace: 6:29 /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 mi10:21:2519:546:2419:54
6:24
#1833
10K
6.21 mi10:40:2338:526:1518:58
6:06
#1391
15K
9.32 mi10:59:2957:586:1319:06
6:09
#1250
20K
12.43 mi11:18:551:17:246:1419:26
6:15
#1232
Half
13.11 mi11:23:101:21:396:144:15
6:14
#1239
25K
15.53 mi11:38:321:37:016:1515:22
6:20
#1276
30K
18.64 mi11:58:371:57:066:1720:05
6:28
#1270
20M
20.00 mi12:07:242:05:536:188:47
6:28
#1269
21M
21.00 mi12:14:152:12:446:196:51
6:51
#1270
35K
21.75 mi12:19:012:17:306:194:46
6:22
#1276
23M
23.00 mi12:27:372:26:066:218:36
6:52
#1338
24M
24.00 mi12:34:562:33:256:247:19
7:19
#1473
40K
24.85 mi12:41:452:40:146:276:49
7:58
#1647
25.2M
25.20 mi12:44:282:42:576:282:43
7:53
#1694
Finish
26.22 mi12:51:312:50:006:297:03
6:55
#1783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1833174817481098(Top 4%)1045(Top 7%)1045(Top 20%)
10K6.21 mi3.10 mi1391+4421325+4231325+4231072(Top 4%)1017(Top 7%)1017(Top 19%)
15K9.32 mi3.11 mi1250+1411187+1381187+1381098(Top 4%)1045(Top 7%)1045(Top 20%)
20K12.43 mi3.11 mi1232+181174+131174+131238(Top 5%)1185(Top 8%)1185(Top 22%)
Half13.11 mi0.68 mi1239-71181-71181-71514(Top 6%)1450(Top 10%)1450(Top 27%)
25K15.53 mi2.42 mi1276-371220-391220-391473(Top 6%)1410(Top 9%)1410(Top 27%)
30K18.64 mi3.11 mi1270+61214+61214+61435(Top 5%)1373(Top 9%)1373(Top 26%)
20M20.00 mi1.36 mi1269+11212+21212+21327(Top 5%)1266(Top 8%)1266(Top 24%)
21M21.00 mi1.00 mi1270-11214-21214-21585(Top 6%)1509(Top 10%)1509(Top 29%)
35K21.75 mi0.75 mi1276-61218-41218-41838(Top 7%)1744(Top 11%)1744(Top 33%)
23M23.00 mi1.25 mi1338-621275-571275-573018(Top 11%)2813(Top 19%)2813(Top 53%)
24M24.00 mi1.00 mi1473-1351405-1301405-1306430(Top 24%)5360(Top 35%)5360(Top 101%)
40K24.85 mi0.85 mi1647-1741574-1691574-1699797(Top 37%)7213(Top 48%)7213(Top 136%)
25.2M25.20 mi0.35 mi1694-471619-451619-455680(Top 21%)4700(Top 31%)4700(Top 89%)
Finish26.22 mi1.02 mi1783-891703-841703-844700(Top 18%)4055(Top 27%)4055(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1098

Males

1045

M18-39

1045

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1072

Males

1017

M18-39

1017

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1098

Males

1045

M18-39

1045

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1238

Males

1185

M18-39

1185

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1514

Males

1450

M18-39

1450

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1473

Males

1410

M18-39

1410

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1435

Males

1373

M18-39

1373

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1327

Males

1266

M18-39

1266

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1585

Males

1509

M18-39

1509

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1838

Males

1744

M18-39

1744

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3018

Males

2813

M18-39

2813

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6430

Males

5360

M18-39

5360

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9797

Males

7213

M18-39

7213

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5680

Males

4700

M18-39

4700

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4700

Males

4055

M18-39

4055

Passing Analysis

Category:
Athletes Passed
781
Passed By
731
Net Change
+50
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1833
5K → 10K4431+442#1833#1391
10K → 15K1498+141#1391#1250
15K → 20K4527+18#1250#1232
20K → Half18-7#1232#1239
Half → 25K1552-37#1239#1276
25K → 30K4640+6#1276#1270
30K → 20M2423+1#1270#1269
20M → 21M1819-1#1269#1270
21M → 35K1622-6#1270#1276
35K → 23M1375-62#1276#1338
23M → 24M2137-135#1338#1473
24M → 40K2176-174#1473#1647
40K → 25.2M249-47#1647#1694
25.2M → Finish594-89#1694#1783
TOTALS781731+50
📊

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