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BOSTON MARATHON 2023

Austin Zajkowski

Bib: 1507•M

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2238
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
39:53
Rank: #2078 (+160)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
59:08
Rank: #1761 (+317)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:18:27
Rank: #1575 (+186)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:22:33
Rank: #1524 (+51)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:37:25
Rank: #1353 (+171)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:56:55
Rank: #1239 (+114)
25K → 30K
19:30 | 6:17/mi
20M
2:05:26
Rank: #1189 (+50)
30K → 20M
8:31 | 6:16/mi
21M
2:12:00
Rank: #1138 (+51)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:16:34
Rank: #1116 (+22)
21M → 35K
4:34 | 6:06/mi
23M
2:24:29
Rank: #1091 (+25)
35K → 23M
7:55 | 6:19/mi
24M
2:30:41
Rank: #1085 (+6)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:36:06
Rank: #1066 (+19)
24M → 40K
5:25 | 6:20/mi
25.2M
2:38:23
Rank: #1053 (+13)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:44:35
Rank: #1025 (+28)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:02
Pace6:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5320:116:3020:11
6:30
-
10K
6.21 mi10:40:3539:536:2519:42
6:20
-0:10
15K
9.32 mi10:59:5059:086:2119:15
6:12
-0:08
20K
12.43 mi11:19:091:18:276:1919:19
6:13
+0:01
Half
13.11 mi11:23:151:22:336:184:06
6:01
-0:12
25K
15.53 mi11:38:071:37:256:1614:52
6:08
+0:07
30K
18.64 mi11:57:371:56:556:1619:30
6:17
+0:09
20M
20.00 mi12:06:082:05:266:168:31
6:16
-0:01
21M
21.00 mi12:12:422:12:006:176:34
6:34
+0:18
35K
21.75 mi12:17:162:16:346:174:34
6:06
-0:28
23M
23.00 mi12:25:112:24:296:177:55
6:19
+0:13
24M
24.00 mi12:31:232:30:416:176:12
6:12
-0:07
40K
24.85 mi12:36:482:36:066:175:25
6:20
+0:08
25.2M
25.20 mi12:39:052:38:236:172:17
6:37
+0:17
Finish
26.22 mi12:45:172:44:356:176:12
6:05
-0:32

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

6:01 /mi

Average Pace

6:17 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:26

67% of race

Time at Steady Pace

54:09

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:20:5320:116:3020:11
6:30
#2238
10K
6.21 mi10:40:3539:536:2519:42
6:20
#2078
15K
9.32 mi10:59:5059:086:2119:15
6:12
#1761
20K
12.43 mi11:19:091:18:276:1919:19
6:13
#1575
Half
13.11 mi11:23:151:22:336:184:06
6:01
#1524
25K
15.53 mi11:38:071:37:256:1614:52
6:08
#1353
30K
18.64 mi11:57:371:56:556:1619:30
6:17
#1239
20M
20.00 mi12:06:082:05:266:168:31
6:16
#1189
21M
21.00 mi12:12:422:12:006:176:34
6:34
#1138
35K
21.75 mi12:17:162:16:346:174:34
6:06
#1116
23M
23.00 mi12:25:112:24:296:177:55
6:19
#1091
24M
24.00 mi12:31:232:30:416:176:12
6:12
#1085
40K
24.85 mi12:36:482:36:066:175:25
6:20
#1066
25.2M
25.20 mi12:39:052:38:236:172:17
6:37
#1053
Finish
26.22 mi12:45:172:44:356:176:12
6:05
#1025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2238213621361221(Top 5%)1164(Top 8%)1164(Top 22%)
10K6.21 mi3.10 mi2078+1601988+1481988+1481932(Top 7%)1851(Top 12%)1851(Top 35%)
15K9.32 mi3.11 mi1761+3171683+3051683+3051221(Top 5%)1164(Top 8%)1164(Top 22%)
20K12.43 mi3.11 mi1575+1861504+1791504+1791100(Top 4%)1049(Top 7%)1049(Top 20%)
Half13.11 mi0.68 mi1524+511455+491455+49799(Top 3%)758(Top 5%)758(Top 14%)
25K15.53 mi2.42 mi1353+1711290+1651290+165821(Top 3%)778(Top 5%)778(Top 15%)
30K18.64 mi3.11 mi1239+1141184+1061184+106859(Top 3%)818(Top 5%)818(Top 15%)
20M20.00 mi1.36 mi1189+501135+491135+49799(Top 3%)759(Top 5%)759(Top 14%)
21M21.00 mi1.00 mi1138+511085+501085+50790(Top 3%)747(Top 5%)747(Top 14%)
35K21.75 mi0.75 mi1116+221063+221063+22942(Top 4%)894(Top 6%)894(Top 17%)
23M23.00 mi1.25 mi1091+251039+241039+24887(Top 3%)843(Top 6%)843(Top 16%)
24M24.00 mi1.00 mi1085+61033+61033+61021(Top 4%)967(Top 6%)967(Top 18%)
40K24.85 mi0.85 mi1066+191014+191014+19994(Top 4%)941(Top 6%)941(Top 18%)
25.2M25.20 mi0.35 mi1053+131001+131001+13704(Top 3%)669(Top 4%)669(Top 13%)
Finish26.22 mi1.02 mi1025+28976+25976+25932(Top 4%)890(Top 6%)890(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1221

Males

1164

M18-39

1164

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1932

Males

1851

M18-39

1851

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1221

Males

1164

M18-39

1164

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1100

Males

1049

M18-39

1049

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

799

Males

758

M18-39

758

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

821

Males

778

M18-39

778

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

859

Males

818

M18-39

818

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

799

Males

759

M18-39

759

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

790

Males

747

M18-39

747

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

942

Males

894

M18-39

894

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

887

Males

843

M18-39

843

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1021

Males

967

M18-39

967

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

994

Males

941

M18-39

941

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

704

Males

669

M18-39

669

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

932

Males

890

M18-39

890

Passing Analysis

Category:
Athletes Passed
1306
Passed By
93
Net Change
+1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2238
5K → 10K21454+160#2238#2078
10K → 15K3170+317#2078#1761
15K → 20K1871+186#1761#1575
20K → Half510+51#1575#1524
Half → 25K1721+171#1524#1353
25K → 30K1151+114#1353#1239
30K → 20M511+50#1239#1189
20M → 21M543+51#1189#1138
21M → 35K231+22#1138#1116
35K → 23M338+25#1116#1091
23M → 24M1610+6#1091#1085
24M → 40K256+19#1085#1066
40K → 25.2M130+13#1066#1053
25.2M → Finish357+28#1053#1025
TOTALS130693+1213
📊

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