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BOSTON MARATHON 2023

Aleksey Sabunin

Bib: 2526•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 9%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 8%
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
6:46/mi
21:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
41:46
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:02:13
↑ 67↓ 78
20K· 12.43 mi
6:29/mi
1:22:22
↑ 106↓ 860.1%
Half· 13.11 mi
6:18/mi
1:26:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:15/mi
1:41:50
↑ 66↓ 880.2%
30K· 18.64 mi
6:21/mi
2:01:35
↑ 181↓ 1480.2%
20M
6:12/mi
2:10:01
↑ 64↓ 500.2%
21M
6:29/mi
2:16:30
↑ 106↓ 241.6%
35K· 21.75 mi
5:53/mi
2:20:54
↑ 17↓ 861.7%
23M
6:07/mi
2:28:34
↑ 23↓ 630.6%
24M
6:00/mi
2:34:34
↓ 821.3%
40K· 24.85 mi
6:04/mi
2:39:45
↓ 200.3%
25.2M
6:34/mi
2:42:01
↑ 13↓ 160.2%
Finish· 26.22 mi
6:01/mi
2:48:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:40
Pace6:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:29
Pace6:13 /mi
📊Negative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4621:016:4621:01
6:46
-
10K
6.21 mi10:42:3141:466:4320:45
6:41
-0:05
15K
9.32 mi11:02:581:02:136:4120:27
6:35
-0:06
20K
12.43 mi11:23:071:22:226:3820:09
6:29
-0:06
Half
13.11 mi11:27:251:26:406:374:18
6:18
-0:11
25K
15.53 mi11:42:351:41:506:3315:10
6:15
-0:03
30K
18.64 mi12:02:202:01:356:3119:45
6:21
+0:06
20M
20.00 mi12:10:462:10:016:308:26
6:12
-0:09
21M
21.00 mi12:17:152:16:306:306:29
6:29
+0:17
35K
21.75 mi12:21:392:20:546:294:24
5:53
-0:36
23M
23.00 mi12:29:192:28:346:287:40
6:07
+0:14
24M
24.00 mi12:35:192:34:346:266:00
6:00
-0:07
40K
24.85 mi12:40:302:39:456:265:11
6:04
+0:04
25.2M
25.20 mi12:42:462:42:016:262:16
6:34
+0:30
Finish
26.22 mi12:48:542:48:096:256:08
6:01
-0:33

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

5:53 /mi

Average Pace

6:25 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:02

46% of race

Time at Steady Pace

1:31:07

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:21:4621:016:4621:01
6:46
#4277
10K
6.21 mi10:42:3141:466:4320:45
6:41
#4195
15K
9.32 mi11:02:581:02:136:4120:27
6:35
#3759
20K
12.43 mi11:23:071:22:226:3820:09
6:29
#3270
Half
13.11 mi11:27:251:26:406:374:18
6:18
#3157
25K
15.53 mi11:42:351:41:506:3315:10
6:15
#2710
30K
18.64 mi12:02:202:01:356:3119:45
6:21
#2333
20M
20.00 mi12:10:462:10:016:308:26
6:12
#2141
21M
21.00 mi12:17:152:16:306:306:29
6:29
#2006
35K
21.75 mi12:21:392:20:546:294:24
5:53
#1908
23M
23.00 mi12:29:192:28:346:287:40
6:07
#1763
24M
24.00 mi12:35:192:34:346:266:00
6:00
#1666
40K
24.85 mi12:40:302:39:456:265:11
6:04
#1586
25.2M
25.20 mi12:42:462:42:016:262:16
6:34
#1557
Finish
26.22 mi12:48:542:48:096:256:08
6:01
#1497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4277399539953136(Top 12%)2985(Top 20%)2985(Top 133%)
10K6.21 mi3.10 mi4195+823931+643931+644114(Top 15%)3858(Top 25%)3858(Top 172%)
15K9.32 mi3.11 mi3759+4363547+3843547+3843136(Top 12%)2985(Top 20%)2985(Top 133%)
20K12.43 mi3.11 mi3270+4893110+4373110+4372194(Top 8%)2105(Top 14%)2105(Top 94%)
Half13.11 mi0.68 mi3157+1133007+1033007+1031762(Top 7%)1691(Top 11%)1691(Top 75%)
25K15.53 mi2.42 mi2710+4472587+4202587+4201173(Top 4%)1119(Top 7%)1119(Top 50%)
30K18.64 mi3.11 mi2333+3772237+3502237+3501084(Top 4%)1032(Top 7%)1032(Top 46%)
20M20.00 mi1.36 mi2141+1922052+1852052+185669(Top 3%)632(Top 4%)632(Top 28%)
21M21.00 mi1.00 mi2006+1351921+1311921+131628(Top 2%)592(Top 4%)592(Top 26%)
35K21.75 mi0.75 mi1908+981827+941827+94499(Top 2%)464(Top 3%)464(Top 21%)
23M23.00 mi1.25 mi1763+1451686+1411686+141500(Top 2%)469(Top 3%)469(Top 21%)
24M24.00 mi1.00 mi1666+971593+931593+93560(Top 2%)530(Top 3%)530(Top 24%)
40K24.85 mi0.85 mi1586+801516+771516+77436(Top 2%)409(Top 3%)409(Top 18%)
25.2M25.20 mi0.35 mi1557+291487+291487+29637(Top 2%)604(Top 4%)604(Top 27%)
Finish26.22 mi1.02 mi1497+601430+571430+57780(Top 3%)747(Top 5%)747(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3136

Males

2985

M40-44

2985

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4114

Males

3858

M40-44

3858

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3136

Males

2985

M40-44

2985

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2194

Males

2105

M40-44

2105

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1762

Males

1691

M40-44

1691

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1173

Males

1119

M40-44

1119

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1084

Males

1032

M40-44

1032

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

669

Males

632

M40-44

632

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

628

Males

592

M40-44

592

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

499

Males

464

M40-44

464

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

500

Males

469

M40-44

469

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

560

Males

530

M40-44

530

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

436

Males

409

M40-44

409

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

637

Males

604

M40-44

604

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

780

Males

747

M40-44

747

Passing Analysis

Category:
Athletes Passed
2976
Passed By
196
Net Change
+2780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4277
5K → 10K258176+82#4277#4195
10K → 15K45014+436#4195#3759
15K → 20K4901+489#3759#3270
20K → Half1141+113#3270#3157
Half → 25K4470+447#3157#2710
25K → 30K3770+377#2710#2333
30K → 20M1920+192#2333#2141
20M → 21M1350+135#2141#2006
21M → 35K980+98#2006#1908
35K → 23M1461+145#1908#1763
23M → 24M981+97#1763#1666
24M → 40K811+80#1666#1586
40K → 25.2M290+29#1586#1557
25.2M → Finish611+60#1557#1497
TOTALS2976196+2780
📊

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