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BOSTON MARATHON 2023

Corey Stockhoff

Bib: 29823•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:36/mi
32:57
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:06:20
↑ 79↓ 1380.4%
15K· 9.32 mi
11:03/mi
1:40:40
↑ 67↓ 78
20K· 12.43 mi
11:45/mi
2:17:10
↑ 106↓ 860.1%
Half· 13.11 mi
12:00/mi
2:25:21
↑ 19↓ 370.5%
25K· 15.53 mi
12:24/mi
2:55:24
↑ 66↓ 880.2%
30K· 18.64 mi
12:52/mi
3:35:24
↑ 181↓ 1480.2%
20M
12:29/mi
3:52:22
↑ 64↓ 500.2%
21M
14:01/mi
4:06:23
↑ 106↓ 241.6%
35K· 21.75 mi
11:24/mi
4:14:55
↑ 17↓ 861.7%
23M
12:40/mi
4:30:47
↑ 23↓ 630.6%
24M
12:57/mi
4:43:44
↓ 821.3%
40K· 24.85 mi
13:24/mi
4:55:11
↓ 200.3%
25.2M
15:34/mi
5:00:33
↑ 13↓ 160.2%
Finish· 26.22 mi
12:09/mi
5:12:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:21
Pace11:05 /mi
2nd Half
Distance13.11 mi
Time2:47:35
Pace12:47 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1432:5710:3632:57
10:36
-
10K
6.21 mi12:24:371:06:2010:4133:23
10:45
+0:09
15K
9.32 mi12:58:571:40:4010:4834:20
11:03
+0:18
20K
12.43 mi13:35:272:17:1011:0236:30
11:45
+0:42
Half
13.11 mi13:43:382:25:2111:058:11
12:00
+0:15
25K
15.53 mi14:13:412:55:2411:1730:03
12:24
+0:24
30K
18.64 mi14:53:413:35:2411:3340:00
12:52
+0:28
20M
20.00 mi15:10:393:52:2211:3716:58
12:29
-0:23
21M
21.00 mi15:24:404:06:2311:4414:01
14:01
+1:32
35K
21.75 mi15:33:124:14:5511:438:32
11:24
-2:37
23M
23.00 mi15:49:044:30:4711:4615:52
12:40
+1:16
24M
24.00 mi16:02:014:43:4411:4912:57
12:57
+0:17
40K
24.85 mi16:13:284:55:1111:5311:27
13:24
+0:27
25.2M
25.20 mi16:18:505:00:3311:565:22
15:34
+2:10
Finish
26.22 mi16:31:135:12:5611:5712:23
12:09
-3:25

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

10:36 /mi

Average Pace

11:57 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:42

47% of race

Time at Steady Pace

2:16:24

44% of race

Time at Slower Pace

30:50

10% of race

Average Pace: 11:56 /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 mi11:51:1432:5710:3632:57
10:36
#24961
10K
6.21 mi12:24:371:06:2010:4133:23
10:45
#25049
15K
9.32 mi12:58:571:40:4010:4834:20
11:03
#25143
20K
12.43 mi13:35:272:17:1011:0236:30
11:45
#25284
Half
13.11 mi13:43:382:25:2111:058:11
12:00
#25339
25K
15.53 mi14:13:412:55:2411:1730:03
12:24
#25373
30K
18.64 mi14:53:413:35:2411:3340:00
12:52
#25382
20M
20.00 mi15:10:393:52:2211:3716:58
12:29
#25346
21M
21.00 mi15:24:404:06:2311:4414:01
14:01
#25348
35K
21.75 mi15:33:124:14:5511:438:32
11:24
#25304
23M
23.00 mi15:49:044:30:4711:4615:52
12:40
#25286
24M
24.00 mi16:02:014:43:4411:4912:57
12:57
#25305
40K
24.85 mi16:13:284:55:1111:5311:27
13:24
#25318
25.2M
25.20 mi16:18:505:00:3311:565:22
15:34
#25340
Finish
26.22 mi16:31:135:12:5611:5712:23
12:09
#25352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24961145251452525261(Top 95%)14633(Top 96%)14633(Top 277%)
10K6.21 mi3.10 mi25049-8814567-4214567-4225077(Top 94%)14569(Top 96%)14569(Top 276%)
15K9.32 mi3.11 mi25143-9414600-3314600-3325261(Top 95%)14633(Top 96%)14633(Top 277%)
20K12.43 mi3.11 mi25284-14114648-4814648-4825476(Top 96%)14693(Top 97%)14693(Top 278%)
Half13.11 mi0.68 mi25339-5514665-1714665-1725877(Top 97%)14858(Top 98%)14858(Top 281%)
25K15.53 mi2.42 mi25373-3414667-214667-225456(Top 96%)14675(Top 97%)14675(Top 278%)
30K18.64 mi3.11 mi25382-914654+1314654+1325311(Top 95%)14547(Top 96%)14547(Top 275%)
20M20.00 mi1.36 mi25346+3614630+2414630+2424730(Top 93%)14248(Top 94%)14248(Top 270%)
21M21.00 mi1.00 mi25348-214624+614624+625054(Top 94%)14396(Top 95%)14396(Top 272%)
35K21.75 mi0.75 mi25304+4414596+2814596+2823977(Top 90%)13840(Top 91%)13840(Top 262%)
23M23.00 mi1.25 mi25286+1814585+1114585+1124763(Top 93%)14225(Top 94%)14225(Top 269%)
24M24.00 mi1.00 mi25305-1914591-614591-625434(Top 96%)14514(Top 96%)14514(Top 275%)
40K24.85 mi0.85 mi25318-1314594-314594-325274(Top 95%)14442(Top 95%)14442(Top 273%)
25.2M25.20 mi0.35 mi25340-2214604-1014604-1025960(Top 98%)14784(Top 97%)14784(Top 280%)
Finish26.22 mi1.02 mi25352-1214606-214606-225378(Top 95%)14499(Top 96%)14499(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25261

Males

14633

M18-39

14633

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25077

Males

14569

M18-39

14569

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25261

Males

14633

M18-39

14633

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25476

Males

14693

M18-39

14693

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25877

Males

14858

M18-39

14858

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25456

Males

14675

M18-39

14675

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25311

Males

14547

M18-39

14547

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24730

Males

14248

M18-39

14248

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25054

Males

14396

M18-39

14396

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23977

Males

13840

M18-39

13840

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24763

Males

14225

M18-39

14225

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25434

Males

14514

M18-39

14514

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25274

Males

14442

M18-39

14442

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25960

Males

14784

M18-39

14784

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25378

Males

14499

M18-39

14499

Passing Analysis

Category:
Athletes Passed
603
Passed By
994
Net Change
-391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24961
5K → 10K142230-88#24961#25049
10K → 15K78172-94#25049#25143
15K → 20K52193-141#25143#25284
20K → Half560-55#25284#25339
Half → 25K5185-34#25339#25373
25K → 30K7382-9#25373#25382
30K → 20M5418+36#25382#25346
20M → 21M2729-2#25346#25348
21M → 35K473+44#25348#25304
35K → 23M3113+18#25304#25286
23M → 24M1837-19#25286#25305
24M → 40K1427-13#25305#25318
40K → 25.2M123-22#25318#25340
25.2M → Finish1022-12#25340#25352
TOTALS603994-391
📊

Passing Visuals

Category:
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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