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BOSTON MARATHON 2023

Alexander Gornick

Bib: 2166•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:56
Rank: #1881
Start → 5K
19:56 | 6:25/mi
10K· 6.21 mi
39:43
Rank: #1949 (-68)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:40
Rank: #2008 (-59)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:19:51
Rank: #2055 (-47)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:24:12
Rank: #2057 (-2)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:58
Rank: #2072 (-15)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
2:00:48
Rank: #2125 (-53)
25K → 30K
20:50 | 6:42/mi
20M
2:09:54
Rank: #2111 (+14)
30K → 20M
9:06 | 6:42/mi
21M
2:16:58
Rank: #2108 (+3)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:21:51
Rank: #2127 (-19)
21M → 35K
4:53 | 6:32/mi
23M
2:30:19
Rank: #2114 (+13)
35K → 23M
8:28 | 6:46/mi
24M
2:36:57
Rank: #2119 (-5)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:42:53
Rank: #2142 (-23)
24M → 40K
5:56 | 6:56/mi
25.2M
2:45:16
Rank: #2116 (+26)
40K → 25.2M
2:23 | 6:56/mi
Finish· 26.22 mi
2:52:08
Rank: #2129 (-13)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:12
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5019:566:2519:56
6:25
-
10K
6.21 mi10:40:3739:436:2419:47
6:22
-0:03
15K
9.32 mi11:00:3459:406:2419:57
6:25
+0:03
20K
12.43 mi11:20:451:19:516:2620:11
6:30
+0:05
Half
13.11 mi11:25:061:24:126:254:21
6:23
-0:07
25K
15.53 mi11:40:521:39:586:2615:46
6:30
+0:07
30K
18.64 mi12:01:422:00:486:2920:50
6:42
+0:12
20M
20.00 mi12:10:482:09:546:309:06
6:42
0:00
21M
21.00 mi12:17:522:16:586:317:04
7:04
+0:22
35K
21.75 mi12:22:452:21:516:314:53
6:32
-0:32
23M
23.00 mi12:31:132:30:196:328:28
6:46
+0:14
24M
24.00 mi12:37:512:36:576:326:38
6:38
-0:08
40K
24.85 mi12:43:472:42:536:335:56
6:56
+0:18
25.2M
25.20 mi12:46:102:45:166:332:23
6:56
0:00
Finish
26.22 mi12:53:022:52:086:346:52
6:44
-0:12

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

6:22 /mi

Average Pace

6:34 /mi

Slowest Pace

7:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:04

96% of race

Time at Steady Pace

7:04

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:20:5019:566:2519:56
6:25
#1881
10K
6.21 mi10:40:3739:436:2419:47
6:22
#1949
15K
9.32 mi11:00:3459:406:2419:57
6:25
#2008
20K
12.43 mi11:20:451:19:516:2620:11
6:30
#2055
Half
13.11 mi11:25:061:24:126:254:21
6:23
#2057
25K
15.53 mi11:40:521:39:586:2615:46
6:30
#2072
30K
18.64 mi12:01:422:00:486:2920:50
6:42
#2125
20M
20.00 mi12:10:482:09:546:309:06
6:42
#2111
21M
21.00 mi12:17:522:16:586:317:04
7:04
#2108
35K
21.75 mi12:22:452:21:516:314:53
6:32
#2127
23M
23.00 mi12:31:132:30:196:328:28
6:46
#2114
24M
24.00 mi12:37:512:36:576:326:38
6:38
#2119
40K
24.85 mi12:43:472:42:536:335:56
6:56
#2142
25.2M
25.20 mi12:46:102:45:166:332:23
6:56
#2116
Finish
26.22 mi12:53:022:52:086:346:52
6:44
#2129
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1881179417942213(Top 8%)2122(Top 14%)2122(Top 40%)
10K6.21 mi3.10 mi1949-681866-721866-722065(Top 8%)1976(Top 13%)1976(Top 37%)
15K9.32 mi3.11 mi2008-591923-571923-572213(Top 8%)2122(Top 14%)2122(Top 40%)
20K12.43 mi3.11 mi2055-471968-451968-452264(Top 9%)2169(Top 14%)2169(Top 41%)
Half13.11 mi0.68 mi2057-21970-21970-22116(Top 8%)2032(Top 13%)2032(Top 38%)
25K15.53 mi2.42 mi2072-151987-171987-172178(Top 8%)2089(Top 14%)2089(Top 40%)
30K18.64 mi3.11 mi2125-532038-512038-512413(Top 9%)2297(Top 15%)2297(Top 43%)
20M20.00 mi1.36 mi2111+142022+162022+162246(Top 8%)2135(Top 14%)2135(Top 40%)
21M21.00 mi1.00 mi2108+32020+22020+22449(Top 9%)2312(Top 15%)2312(Top 44%)
35K21.75 mi0.75 mi2127-192038-182038-182534(Top 10%)2393(Top 16%)2393(Top 45%)
23M23.00 mi1.25 mi2114+132027+112027+112429(Top 9%)2281(Top 15%)2281(Top 43%)
24M24.00 mi1.00 mi2119-52034-72034-72720(Top 10%)2529(Top 17%)2529(Top 48%)
40K24.85 mi0.85 mi2142-232056-222056-223489(Top 13%)3168(Top 21%)3168(Top 60%)
25.2M25.20 mi0.35 mi2116+262030+262030+261551(Top 6%)1457(Top 10%)1457(Top 28%)
Finish26.22 mi1.02 mi2129-132042-122042-123694(Top 14%)3286(Top 22%)3286(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2213

Males

2122

M18-39

2122

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2065

Males

1976

M18-39

1976

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2213

Males

2122

M18-39

2122

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2264

Males

2169

M18-39

2169

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2116

Males

2032

M18-39

2032

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2178

Males

2089

M18-39

2089

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2413

Males

2297

M18-39

2297

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2246

Males

2135

M18-39

2135

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2449

Males

2312

M18-39

2312

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2534

Males

2393

M18-39

2393

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2429

Males

2281

M18-39

2281

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2720

Males

2529

M18-39

2529

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3489

Males

3168

M18-39

3168

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1551

Males

1457

M18-39

1457

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3694

Males

3286

M18-39

3286

Passing Analysis

Category:
Athletes Passed
487
Passed By
735
Net Change
-248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1881
5K → 10K73141-68#1881#1949
10K → 15K44103-59#1949#2008
15K → 20K4592-47#2008#2055
20K → Half1113-2#2055#2057
Half → 25K3954-15#2057#2072
25K → 30K54107-53#2072#2125
30K → 20M3824+14#2125#2111
20M → 21M3128+3#2111#2108
21M → 35K1231-19#2108#2127
35K → 23M4027+13#2127#2114
23M → 24M2429-5#2114#2119
24M → 40K1942-23#2119#2142
40K → 25.2M304+26#2142#2116
25.2M → Finish2740-13#2116#2129
TOTALS487735-248
📊

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