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BOSTON MARATHON 2023

Mikhail Sizintsev

Bib: 6870•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 13%
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
6:31/mi
20:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:25/mi
40:10
↑ 79↓ 1380.4%
15K· 9.32 mi
6:30/mi
1:00:23
↑ 67↓ 78
20K· 12.43 mi
6:35/mi
1:20:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:25/mi
1:25:13
↑ 19↓ 370.5%
25K· 15.53 mi
6:33/mi
1:41:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:42/mi
2:01:57
↑ 181↓ 1480.2%
20M
6:52/mi
2:11:16
↑ 64↓ 500.2%
21M
6:52/mi
2:18:08
↑ 106↓ 241.6%
35K· 21.75 mi
6:28/mi
2:22:58
↑ 17↓ 861.7%
23M
6:47/mi
2:31:28
↑ 23↓ 630.6%
24M
6:36/mi
2:38:04
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:43:49
↓ 200.3%
25.2M
7:03/mi
2:46:15
↑ 13↓ 160.2%
Finish· 26.22 mi
6:20/mi
2:52:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:13
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:27:29
Pace6:40 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4420:156:3120:15
6:31
-
10K
6.21 mi10:43:3940:106:2819:55
6:25
-0:06
15K
9.32 mi11:03:521:00:236:2920:13
6:30
+0:05
20K
12.43 mi11:24:191:20:506:3020:27
6:35
+0:05
Half
13.11 mi11:28:421:25:136:304:23
6:25
-0:10
25K
15.53 mi11:44:361:41:076:3115:54
6:33
+0:08
30K
18.64 mi12:05:262:01:576:3320:50
6:42
+0:09
20M
20.00 mi12:14:452:11:166:349:19
6:52
+0:10
21M
21.00 mi12:21:372:18:086:356:52
6:52
0:00
35K
21.75 mi12:26:272:22:586:344:50
6:28
-0:24
23M
23.00 mi12:34:572:31:286:358:30
6:47
+0:19
24M
24.00 mi12:41:332:38:046:356:36
6:36
-0:11
40K
24.85 mi12:47:182:43:496:355:45
6:44
+0:08
25.2M
25.20 mi12:49:442:46:156:362:26
7:03
+0:19
Finish
26.22 mi12:56:112:52:426:356:27
6:20
-0:43

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

6:20 /mi

Average Pace

6:35 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:16

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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 mi10:23:4420:156:3120:15
6:31
#2366
10K
6.21 mi10:43:3940:106:2819:55
6:25
#2303
15K
9.32 mi11:03:521:00:236:2920:13
6:30
#2431
20K
12.43 mi11:24:191:20:506:3020:27
6:35
#2475
Half
13.11 mi11:28:421:25:136:304:23
6:25
#2461
25K
15.53 mi11:44:361:41:076:3115:54
6:33
#2458
30K
18.64 mi12:05:262:01:576:3320:50
6:42
#2430
20M
20.00 mi12:14:452:11:166:349:19
6:52
#2444
21M
21.00 mi12:21:372:18:086:356:52
6:52
#2380
35K
21.75 mi12:26:272:22:586:344:50
6:28
#2355
23M
23.00 mi12:34:572:31:286:358:30
6:47
#2345
24M
24.00 mi12:41:332:38:046:356:36
6:36
#2330
40K
24.85 mi12:47:182:43:496:355:45
6:44
#2302
25.2M
25.20 mi12:49:442:46:156:362:26
7:03
#2287
Finish
26.22 mi12:56:112:52:426:356:27
6:20
#2229
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2366225622562673(Top 10%)2554(Top 17%)2554(Top 114%)
10K6.21 mi3.10 mi2303+632201+552201+552296(Top 9%)2197(Top 14%)2197(Top 98%)
15K9.32 mi3.11 mi2431-1282325-1242325-1242673(Top 10%)2554(Top 17%)2554(Top 114%)
20K12.43 mi3.11 mi2475-442370-452370-452725(Top 10%)2605(Top 17%)2605(Top 116%)
Half13.11 mi0.68 mi2461+142358+122358+122351(Top 9%)2256(Top 15%)2256(Top 101%)
25K15.53 mi2.42 mi2458+32355+32355+32462(Top 9%)2354(Top 16%)2354(Top 105%)
30K18.64 mi3.11 mi2430+282327+282327+282418(Top 9%)2302(Top 15%)2302(Top 103%)
20M20.00 mi1.36 mi2444-142340-132340-133196(Top 12%)2993(Top 20%)2993(Top 134%)
21M21.00 mi1.00 mi2380+642281+592281+591613(Top 6%)1534(Top 10%)1534(Top 68%)
35K21.75 mi0.75 mi2355+252256+252256+252224(Top 8%)2111(Top 14%)2111(Top 94%)
23M23.00 mi1.25 mi2345+102246+102246+102571(Top 10%)2412(Top 16%)2412(Top 108%)
24M24.00 mi1.00 mi2330+152229+172229+172542(Top 10%)2370(Top 16%)2370(Top 106%)
40K24.85 mi0.85 mi2302+282203+262203+262443(Top 9%)2263(Top 15%)2263(Top 101%)
25.2M25.20 mi0.35 mi2287+152190+132190+131917(Top 7%)1800(Top 12%)1800(Top 80%)
Finish26.22 mi1.02 mi2229+582135+552135+551740(Top 7%)1636(Top 11%)1636(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2673

Males

2554

M40-44

2554

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2296

Males

2197

M40-44

2197

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2673

Males

2554

M40-44

2554

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2725

Males

2605

M40-44

2605

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2351

Males

2256

M40-44

2256

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2462

Males

2354

M40-44

2354

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2418

Males

2302

M40-44

2302

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3196

Males

2993

M40-44

2993

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1613

Males

1534

M40-44

1534

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2224

Males

2111

M40-44

2111

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2571

Males

2412

M40-44

2412

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2542

Males

2370

M40-44

2370

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2443

Males

2263

M40-44

2263

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1917

Males

1800

M40-44

1800

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1740

Males

1636

M40-44

1636

Passing Analysis

Category:
Athletes Passed
715
Passed By
578
Net Change
+137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2366
5K → 10K15289+63#2366#2303
10K → 15K36164-128#2303#2431
15K → 20K4993-44#2431#2475
20K → Half184+14#2475#2461
Half → 25K5451+3#2461#2458
25K → 30K7749+28#2458#2430
30K → 20M3448-14#2430#2444
20M → 21M706+64#2444#2380
21M → 35K349+25#2380#2355
35K → 23M4030+10#2355#2345
23M → 24M3116+15#2345#2330
24M → 40K3911+28#2330#2302
40K → 25.2M183+15#2302#2287
25.2M → Finish635+58#2287#2229
TOTALS715578+137
📊

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