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BOSTON MARATHON 2023

Alex Gorski

Bib: 393•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1001
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:26
Rank: #1161 (-160)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
57:52
Rank: #1216 (-55)
10K → 15K
19:26 | 6:15/mi
20K· 12.43 mi
1:17:02
Rank: #1149 (+67)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:21:11
Rank: #1142 (+7)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:27
Rank: #1152 (-10)
Half → 25K
15:16 | 6:18/mi
30K· 18.64 mi
1:56:34
Rank: #1178 (-26)
25K → 30K
20:07 | 6:28/mi
20M
2:04:47
Rank: #1089 (+89)
30K → 20M
8:13 | 6:03/mi
21M
2:11:04
Rank: #1009 (+80)
20M → 21M
6:17 | 6:17/mi
35K· 21.75 mi
2:15:20
Rank: #962 (+47)
21M → 35K
4:16 | 5:42/mi
23M
2:22:53
Rank: #908 (+54)
35K → 23M
7:33 | 6:02/mi
24M
2:28:45
Rank: #865 (+43)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:33:46
Rank: #812 (+53)
24M → 40K
5:01 | 5:52/mi
25.2M
2:35:52
Rank: #787 (+25)
40K → 25.2M
2:06 | 6:05/mi
Finish· 26.22 mi
2:41:27
Rank: #727 (+60)
25.2M → Finish
5:35 | 5:29/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:21:11
Pace6:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:16
Pace6:07 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1519:066:0919:06
6:09
-
10K
6.21 mi10:38:3538:266:1119:20
6:13
+0:04
15K
9.32 mi10:58:0157:526:1319:26
6:15
+0:02
20K
12.43 mi11:17:111:17:026:1219:10
6:10
-0:05
Half
13.11 mi11:21:201:21:116:124:09
6:05
-0:05
25K
15.53 mi11:36:361:36:276:1315:16
6:18
+0:13
30K
18.64 mi11:56:431:56:346:1520:07
6:28
+0:10
20M
20.00 mi12:04:562:04:476:148:13
6:03
-0:25
21M
21.00 mi12:11:132:11:046:146:17
6:17
+0:14
35K
21.75 mi12:15:292:15:206:134:16
5:42
-0:35
23M
23.00 mi12:23:022:22:536:137:33
6:02
+0:20
24M
24.00 mi12:28:542:28:456:125:52
5:52
-0:10
40K
24.85 mi12:33:552:33:466:115:01
5:52
0:00
25.2M
25.20 mi12:36:012:35:526:112:06
6:05
+0:13
Finish
26.22 mi12:41:362:41:276:105:35
5:29
-0:36

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

5:29 /mi

Average Pace

6:10 /mi

Slowest Pace

6:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:44

13% of race

Time at Steady Pace

2:20:43

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:19:1519:066:0919:06
6:09
#1001
10K
6.21 mi10:38:3538:266:1119:20
6:13
#1161
15K
9.32 mi10:58:0157:526:1319:26
6:15
#1216
20K
12.43 mi11:17:111:17:026:1219:10
6:10
#1149
Half
13.11 mi11:21:201:21:116:124:09
6:05
#1142
25K
15.53 mi11:36:361:36:276:1315:16
6:18
#1152
30K
18.64 mi11:56:431:56:346:1520:07
6:28
#1178
20M
20.00 mi12:04:562:04:476:148:13
6:03
#1089
21M
21.00 mi12:11:132:11:046:146:17
6:17
#1009
35K
21.75 mi12:15:292:15:206:134:16
5:42
#962
23M
23.00 mi12:23:022:22:536:137:33
6:02
#908
24M
24.00 mi12:28:542:28:456:125:52
5:52
#865
40K
24.85 mi12:33:552:33:466:115:01
5:52
#812
25.2M
25.20 mi12:36:012:35:526:112:06
6:05
#787
Finish
26.22 mi12:41:362:41:276:105:35
5:29
#727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10019459451442(Top 5%)1375(Top 9%)1375(Top 26%)
10K6.21 mi3.10 mi1161-1601098-1531098-1531427(Top 5%)1361(Top 9%)1361(Top 26%)
15K9.32 mi3.11 mi1216-551153-551153-551442(Top 5%)1375(Top 9%)1375(Top 26%)
20K12.43 mi3.11 mi1149+671093+601093+60960(Top 4%)912(Top 6%)912(Top 17%)
Half13.11 mi0.68 mi1142+71087+61087+6945(Top 4%)899(Top 6%)899(Top 17%)
25K15.53 mi2.42 mi1152-101097-101097-101314(Top 5%)1254(Top 8%)1254(Top 24%)
30K18.64 mi3.11 mi1178-261123-261123-261463(Top 5%)1399(Top 9%)1399(Top 26%)
20M20.00 mi1.36 mi1089+891037+861037+86412(Top 2%)380(Top 3%)380(Top 7%)
21M21.00 mi1.00 mi1009+80959+78959+78335(Top 1%)308(Top 2%)308(Top 6%)
35K21.75 mi0.75 mi962+47915+44915+44244(Top 0.9%)221(Top 1%)221(Top 4%)
23M23.00 mi1.25 mi908+54861+54861+54343(Top 1%)317(Top 2%)317(Top 6%)
24M24.00 mi1.00 mi865+43819+42819+42347(Top 1%)321(Top 2%)321(Top 6%)
40K24.85 mi0.85 mi812+53767+52767+52199(Top 0.7%)178(Top 1%)178(Top 3%)
25.2M25.20 mi0.35 mi787+25744+23744+23112(Top 0.4%)98(Top 0.6%)98(Top 2%)
Finish26.22 mi1.02 mi727+60685+59685+5992(Top 0.3%)81(Top 0.5%)81(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1442

Males

1375

M18-39

1375

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1427

Males

1361

M18-39

1361

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1442

Males

1375

M18-39

1375

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

960

Males

912

M18-39

912

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

945

Males

899

M18-39

899

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1314

Males

1254

M18-39

1254

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1463

Males

1399

M18-39

1399

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

412

Males

380

M18-39

380

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

335

Males

308

M18-39

308

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

244

Males

221

M18-39

221

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

343

Males

317

M18-39

317

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

347

Males

321

M18-39

321

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

199

Males

178

M18-39

178

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

112

Males

98

M18-39

98

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
×2stories
+22ft-21ft

Overall

92

Males

81

M18-39

81

Passing Analysis

Category:
Athletes Passed
609
Passed By
335
Net Change
+274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1001
5K → 10K10170-160#1001#1161
10K → 15K1671-55#1161#1216
15K → 20K736+67#1216#1149
20K → Half92+7#1149#1142
Half → 25K2333-10#1142#1152
25K → 30K2753-26#1152#1178
30K → 20M890+89#1178#1089
20M → 21M800+80#1089#1009
21M → 35K470+47#1009#962
35K → 23M540+54#962#908
23M → 24M430+43#908#865
24M → 40K530+53#865#812
40K → 25.2M250+25#812#787
25.2M → Finish600+60#787#727
TOTALS609335+274
📊

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