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BOSTON MARATHON 2023

Greg Kubicek

Bib: 11441•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:32
Rank: #7814
Start → 5K
22:32 | 7:15/mi
10K· 6.21 mi
45:30
Rank: #8599 (-785)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:06
Rank: #9302 (-703)
10K → 15K
23:36 | 7:36/mi
20K· 12.43 mi
1:32:55
Rank: #9620 (-318)
15K → 20K
23:49 | 7:40/mi
Half· 13.11 mi
1:38:00
Rank: #9625 (-5)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:33
Rank: #9679 (-54)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:20:40
Rank: #9550 (+129)
25K → 30K
24:07 | 7:46/mi
20M
2:31:16
Rank: #9472 (+78)
30K → 20M
10:36 | 7:48/mi
21M
2:39:32
Rank: #9409 (+63)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:45:11
Rank: #9360 (+49)
21M → 35K
5:39 | 7:33/mi
23M
2:55:16
Rank: #9374 (-14)
35K → 23M
10:05 | 8:03/mi
24M
3:03:11
Rank: #9413 (-39)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:10:13
Rank: #9467 (-54)
24M → 40K
7:02 | 8:14/mi
25.2M
3:13:19
Rank: #9493 (-26)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:21:54
Rank: #9696 (-203)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:00
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:43:54
Pace7:56 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1022:327:1522:32
7:15
-
10K
6.21 mi11:36:0845:307:1922:58
7:24
+0:09
15K
9.32 mi11:59:441:09:067:2523:36
7:36
+0:12
20K
12.43 mi12:23:331:32:557:2923:49
7:40
+0:04
Half
13.11 mi12:28:381:38:007:295:05
7:27
-0:13
25K
15.53 mi12:47:111:56:337:3018:33
7:39
+0:12
30K
18.64 mi13:11:182:20:407:3324:07
7:46
+0:07
20M
20.00 mi13:21:542:31:167:3410:36
7:48
+0:02
21M
21.00 mi13:30:102:39:327:368:16
8:16
+0:28
35K
21.75 mi13:35:492:45:117:365:39
7:33
-0:43
23M
23.00 mi13:45:542:55:167:3710:05
8:03
+0:30
24M
24.00 mi13:53:493:03:117:387:55
7:55
-0:08
40K
24.85 mi14:00:513:10:137:397:02
8:14
+0:19
25.2M
25.20 mi14:03:573:13:197:403:06
8:59
+0:45
Finish
26.22 mi14:12:323:21:547:428:35
8:25
-0:34

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

7:15 /mi

Average Pace

7:42 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:35

25% of race

Time at Steady Pace

1:54:15

57% of race

Time at Slower Pace

37:04

18% of race

Average Pace: 7:42 /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 mi11:13:1022:327:1522:32
7:15
#7814
10K
6.21 mi11:36:0845:307:1922:58
7:24
#8599
15K
9.32 mi11:59:441:09:067:2523:36
7:36
#9302
20K
12.43 mi12:23:331:32:557:2923:49
7:40
#9620
Half
13.11 mi12:28:381:38:007:295:05
7:27
#9625
25K
15.53 mi12:47:111:56:337:3018:33
7:39
#9679
30K
18.64 mi13:11:182:20:407:3324:07
7:46
#9550
20M
20.00 mi13:21:542:31:167:3410:36
7:48
#9472
21M
21.00 mi13:30:102:39:327:368:16
8:16
#9409
35K
21.75 mi13:35:492:45:117:365:39
7:33
#9360
23M
23.00 mi13:45:542:55:167:3710:05
8:03
#9374
24M
24.00 mi13:53:493:03:117:387:55
7:55
#9413
40K
24.85 mi14:00:513:10:137:397:02
8:14
#9467
25.2M
25.20 mi14:03:573:13:197:403:06
8:59
#9493
Finish
26.22 mi14:12:323:21:547:428:35
8:25
#9696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi78146851685110967(Top 41%)8624(Top 57%)8624(Top 383%)
10K6.21 mi3.10 mi8599-7857332-4817332-4819543(Top 36%)7893(Top 52%)7893(Top 350%)
15K9.32 mi3.11 mi9302-7037748-4167748-41610967(Top 41%)8624(Top 57%)8624(Top 383%)
20K12.43 mi3.11 mi9620-3187934-1867934-18610622(Top 40%)8390(Top 55%)8390(Top 373%)
Half13.11 mi0.68 mi9625-57940-67940-69777(Top 37%)7970(Top 53%)7970(Top 354%)
25K15.53 mi2.42 mi9679-547951-117951-119902(Top 37%)7927(Top 52%)7927(Top 352%)
30K18.64 mi3.11 mi9550+1297837+1147837+1149068(Top 34%)7328(Top 48%)7328(Top 325%)
20M20.00 mi1.36 mi9472+787765+727765+728849(Top 33%)7108(Top 47%)7108(Top 316%)
21M21.00 mi1.00 mi9409+637701+647701+649005(Top 34%)7074(Top 47%)7074(Top 314%)
35K21.75 mi0.75 mi9360+497653+487653+488897(Top 33%)7021(Top 46%)7021(Top 312%)
23M23.00 mi1.25 mi9374-147641+127641+1210111(Top 38%)7542(Top 50%)7542(Top 335%)
24M24.00 mi1.00 mi9413-397634+77634+710619(Top 40%)7715(Top 51%)7715(Top 343%)
40K24.85 mi0.85 mi9467-547636-27636-211498(Top 43%)8064(Top 53%)8064(Top 358%)
25.2M25.20 mi0.35 mi9493-267645-97645-912358(Top 46%)8421(Top 55%)8421(Top 374%)
Finish26.22 mi1.02 mi9696-2037721-767721-7614855(Top 56%)9650(Top 64%)9650(Top 429%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10967

Males

8624

M45-49

8624

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9543

Males

7893

M45-49

7893

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10967

Males

8624

M45-49

8624

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10622

Males

8390

M45-49

8390

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9777

Males

7970

M45-49

7970

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9902

Males

7927

M45-49

7927

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9068

Males

7328

M45-49

7328

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8849

Males

7108

M45-49

7108

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9005

Males

7074

M45-49

7074

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8897

Males

7021

M45-49

7021

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10111

Males

7542

M45-49

7542

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10619

Males

7715

M45-49

7715

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11498

Males

8064

M45-49

8064

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12358

Males

8421

M45-49

8421

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14855

Males

9650

M45-49

9650

Passing Analysis

Category:
Athletes Passed
1004*
Passed By
2886
Net Change
-1882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7814
5K → 10K29814-785#7814#8599
10K → 15K29732-703#8599#9302
15K → 20K62380-318#9302#9620
20K → Half2025-5#9620#9625
Half → 25K108162-54#9625#9679
25K → 30K235*106+129#9679#9550
30K → 20M12244+78#9550#9472
20M → 21M10744+63#9472#9409
21M → 35K7324+49#9409#9360
35K → 23M7690-14#9360#9374
23M → 24M6099-39#9374#9413
24M → 40K4498-54#9413#9467
40K → 25.2M1945-26#9467#9493
25.2M → Finish20223-203#9493#9696
TOTALS1004*2886-1882

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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