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BOSTON MARATHON 2023

Cory Gorczycki

Bib: 30369•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #17822
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
50:11
Rank: #14935 (+2887)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:13:40
Rank: #13598 (+1337)
10K → 15K
23:29 | 7:34/mi
20K· 12.43 mi
1:37:38
Rank: #12912 (+686)
15K → 20K
23:58 | 7:43/mi
Half· 13.11 mi
1:42:40
Rank: #12684 (+228)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
2:01:14
Rank: #12210 (+474)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:25:51
Rank: #11807 (+403)
25K → 30K
24:37 | 7:55/mi
20M
2:36:40
Rank: #11653 (+154)
30K → 20M
10:49 | 7:58/mi
21M
2:44:43
Rank: #11357 (+296)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:50:24
Rank: #11266 (+91)
21M → 35K
5:41 | 7:36/mi
23M
3:00:36
Rank: #11221 (+45)
35K → 23M
10:12 | 8:09/mi
24M
3:08:39
Rank: #11242 (-21)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:15:28
Rank: #11150 (+92)
24M → 40K
6:49 | 7:58/mi
25.2M
3:18:17
Rank: #11076 (+74)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:26:16
Rank: #11053 (+23)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:36
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0926:328:3226:32
8:32
-
10K
6.21 mi12:10:4850:118:0523:39
7:37
-0:55
15K
9.32 mi12:34:171:13:407:5423:29
7:34
-0:03
20K
12.43 mi12:58:151:37:387:5123:58
7:43
+0:09
Half
13.11 mi13:03:171:42:407:505:02
7:23
-0:20
25K
15.53 mi13:21:512:01:147:4818:34
7:39
+0:16
30K
18.64 mi13:46:282:25:517:4924:37
7:55
+0:16
20M
20.00 mi13:57:172:36:407:5010:49
7:58
+0:03
21M
21.00 mi14:05:202:44:437:518:03
8:03
+0:05
35K
21.75 mi14:11:012:50:247:505:41
7:36
-0:27
23M
23.00 mi14:21:133:00:367:5110:12
8:09
+0:33
24M
24.00 mi14:29:163:08:397:528:03
8:03
-0:06
40K
24.85 mi14:36:053:15:287:526:49
7:58
-0:05
25.2M
25.20 mi14:38:543:18:177:522:49
8:10
+0:12
Finish
26.22 mi14:46:533:26:167:527:59
7:50
-0:20

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

7:23 /mi

Average Pace

7:52 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:43

81% of race

Time at Steady Pace

39:33

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi11:47:0926:328:3226:32
8:32
#17822
10K
6.21 mi12:10:4850:118:0523:39
7:37
#14935
15K
9.32 mi12:34:171:13:407:5423:29
7:34
#13598
20K
12.43 mi12:58:151:37:387:5123:58
7:43
#12912
Half
13.11 mi13:03:171:42:407:505:02
7:23
#12684
25K
15.53 mi13:21:512:01:147:4818:34
7:39
#12210
30K
18.64 mi13:46:282:25:517:4924:37
7:55
#11807
20M
20.00 mi13:57:172:36:407:5010:49
7:58
#11653
21M
21.00 mi14:05:202:44:437:518:03
8:03
#11357
35K
21.75 mi14:11:012:50:247:505:41
7:36
#11266
23M
23.00 mi14:21:133:00:367:5110:12
8:09
#11221
24M
24.00 mi14:29:163:08:397:528:03
8:03
#11242
40K
24.85 mi14:36:053:15:287:526:49
7:58
#11150
25.2M
25.20 mi14:38:543:18:177:522:49
8:10
#11076
Finish
26.22 mi14:46:533:26:167:527:59
7:50
#11053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17822113581135810646(Top 40%)8474(Top 56%)8474(Top 160%)
10K6.21 mi3.10 mi14935+288710299+105910299+105911428(Top 43%)8844(Top 58%)8844(Top 167%)
15K9.32 mi3.11 mi13598+13379763+5369763+53610646(Top 40%)8474(Top 56%)8474(Top 160%)
20K12.43 mi3.11 mi12912+6869464+2999464+29911025(Top 41%)8590(Top 57%)8590(Top 163%)
Half13.11 mi0.68 mi12684+2289359+1059359+1059244(Top 35%)7679(Top 51%)7679(Top 145%)
25K15.53 mi2.42 mi12210+4749133+2269133+2269962(Top 37%)7965(Top 52%)7965(Top 151%)
30K18.64 mi3.11 mi11807+4038921+2128921+21210314(Top 39%)7992(Top 53%)7992(Top 151%)
20M20.00 mi1.36 mi11653+1548837+848837+849964(Top 37%)7746(Top 51%)7746(Top 147%)
21M21.00 mi1.00 mi11357+2968691+1468691+1467678(Top 29%)6304(Top 42%)6304(Top 119%)
35K21.75 mi0.75 mi11266+918636+558636+559249(Top 35%)7226(Top 48%)7226(Top 137%)
23M23.00 mi1.25 mi11221+458590+468590+4610786(Top 41%)7863(Top 52%)7863(Top 149%)
24M24.00 mi1.00 mi11242-218578+128578+1211557(Top 43%)8180(Top 54%)8180(Top 155%)
40K24.85 mi0.85 mi11150+928510+688510+689857(Top 37%)7273(Top 48%)7273(Top 138%)
25.2M25.20 mi0.35 mi11076+748458+528458+527509(Top 28%)5909(Top 39%)5909(Top 112%)
Finish26.22 mi1.02 mi11053+238419+398419+3910921(Top 41%)7758(Top 51%)7758(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10646

Males

8474

M18-39

8474

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11428

Males

8844

M18-39

8844

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10646

Males

8474

M18-39

8474

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11025

Males

8590

M18-39

8590

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9244

Males

7679

M18-39

7679

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9962

Males

7965

M18-39

7965

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10314

Males

7992

M18-39

7992

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9964

Males

7746

M18-39

7746

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7678

Males

6304

M18-39

6304

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9249

Males

7226

M18-39

7226

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10786

Males

7863

M18-39

7863

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11557

Males

8180

M18-39

8180

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9857

Males

7273

M18-39

7273

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7509

Males

5909

M18-39

5909

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10921

Males

7758

M18-39

7758

Passing Analysis

Category:
Athletes Passed
7095
Passed By
326
Net Change
+6769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17822
5K → 10K28947+2887#17822#14935
10K → 15K13403+1337#14935#13598
15K → 20K69610+686#13598#12912
20K → Half2280+228#12912#12684
Half → 25K4795+474#12684#12210
25K → 30K43835+403#12210#11807
30K → 20M17420+154#11807#11653
20M → 21M2982+296#11653#11357
21M → 35K10514+91#11357#11266
35K → 23M11267+45#11266#11221
23M → 24M6182-21#11221#11242
24M → 40K11018+92#11242#11150
40K → 25.2M817+74#11150#11076
25.2M → Finish7956+23#11076#11053
TOTALS7095326+6769
📊

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