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BOSTON MARATHON 2023

Kevin Krause

Bib: 12549•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
7:49/mi
24:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:12:33
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:38:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:43:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:05:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:35:17
↑ 181↓ 1480.2%
20M
9:45/mi
2:48:32
↑ 64↓ 500.2%
21M
12:07/mi
3:00:39
↑ 106↓ 241.6%
35K· 21.75 mi
11:46/mi
3:09:27
↑ 17↓ 861.7%
23M
12:18/mi
3:24:51
↑ 23↓ 630.6%
24M
10:54/mi
3:35:45
↓ 821.3%
40K· 24.85 mi
10:43/mi
3:44:55
↓ 200.3%
25.2M
10:15/mi
3:48:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
3:59:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time2:15:33
Pace10:20 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3624:177:4924:17
7:49
-
10K
6.21 mi11:15:3248:137:4623:56
7:42
-0:07
15K
9.32 mi11:39:521:12:337:4724:20
7:50
+0:08
20K
12.43 mi12:05:241:38:057:5425:32
8:13
+0:23
Half
13.11 mi12:10:581:43:397:545:34
8:10
-0:03
25K
15.53 mi12:32:442:05:258:0421:46
8:59
+0:49
30K
18.64 mi13:02:362:35:178:2029:52
9:37
+0:38
20M
20.00 mi13:15:512:48:328:2613:15
9:45
+0:08
21M
21.00 mi13:27:583:00:398:3612:07
12:07
+2:22
35K
21.75 mi13:36:463:09:278:438:48
11:46
-0:21
23M
23.00 mi13:52:103:24:518:5415:24
12:18
+0:32
24M
24.00 mi14:03:043:35:458:5910:54
10:54
-1:24
40K
24.85 mi14:12:143:44:559:039:10
10:43
-0:11
25.2M
25.20 mi14:15:463:48:279:043:32
10:15
-0:28
Finish
26.22 mi14:26:313:59:129:0810:45
10:33
+0:18

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

7:42 /mi

Average Pace

9:08 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:39

43% of race

Time at Steady Pace

1:08:25

29% of race

Time at Slower Pace

1:07:08

28% of race

Average Pace: 9:07 /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 mi10:51:3624:177:4924:17
7:49
#12500
10K
6.21 mi11:15:3248:137:4623:56
7:42
#12353
15K
9.32 mi11:39:521:12:337:4724:20
7:50
#12525
20K
12.43 mi12:05:241:38:057:5425:32
8:13
#13254
Half
13.11 mi12:10:581:43:397:545:34
8:10
#13373
25K
15.53 mi12:32:442:05:258:0421:46
8:59
#14455
30K
18.64 mi13:02:362:35:178:2029:52
9:37
#15678
20M
20.00 mi13:15:512:48:328:2613:15
9:45
#16080
21M
21.00 mi13:27:583:00:398:3612:07
12:07
#16810
35K
21.75 mi13:36:463:09:278:438:48
11:46
#17410
23M
23.00 mi13:52:103:24:518:5415:24
12:18
#18341
24M
24.00 mi14:03:043:35:458:5910:54
10:54
#18700
40K
24.85 mi14:12:143:44:559:039:10
10:43
#18905
25.2M
25.20 mi14:15:463:48:279:043:32
10:15
#18895
Finish
26.22 mi14:26:313:59:129:0810:45
10:33
#19171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi125009329932912980(Top 49%)9505(Top 63%)9505(Top 422%)
10K6.21 mi3.10 mi12353+1479265+649265+6412266(Top 46%)9234(Top 61%)9234(Top 410%)
15K9.32 mi3.11 mi12525-1729319-549319-5412980(Top 49%)9505(Top 63%)9505(Top 422%)
20K12.43 mi3.11 mi13254-7299605-2869605-28615082(Top 57%)10306(Top 68%)10306(Top 458%)
Half13.11 mi0.68 mi13373-1199649-449649-4415488(Top 58%)10505(Top 69%)10505(Top 466%)
25K15.53 mi2.42 mi14455-108210064-41510064-41518843(Top 71%)11782(Top 78%)11782(Top 523%)
30K18.64 mi3.11 mi15678-122310484-42010484-42019832(Top 74%)12138(Top 80%)12138(Top 539%)
20M20.00 mi1.36 mi16080-40210620-13610620-13619704(Top 74%)11979(Top 79%)11979(Top 532%)
21M21.00 mi1.00 mi16810-73010919-29910919-29922924(Top 86%)13389(Top 88%)13389(Top 595%)
35K21.75 mi0.75 mi17410-60011139-22011139-22024423(Top 92%)14046(Top 93%)14046(Top 624%)
23M23.00 mi1.25 mi18341-93111507-36811507-36824353(Top 91%)14013(Top 92%)14013(Top 622%)
24M24.00 mi1.00 mi18700-35911652-14511652-14522838(Top 86%)13267(Top 87%)13267(Top 589%)
40K24.85 mi0.85 mi18905-20511740-8811740-8821742(Top 82%)12705(Top 84%)12705(Top 564%)
25.2M25.20 mi0.35 mi18895+1011727+1311727+1318248(Top 69%)11143(Top 73%)11143(Top 495%)
Finish26.22 mi1.02 mi19171-27611845-11811845-11823086(Top 87%)13372(Top 88%)13372(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12980

Males

9505

M45-49

9505

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12266

Males

9234

M45-49

9234

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12980

Males

9505

M45-49

9505

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15082

Males

10306

M45-49

10306

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15488

Males

10505

M45-49

10505

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18843

Males

11782

M45-49

11782

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19832

Males

12138

M45-49

12138

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19704

Males

11979

M45-49

11979

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22924

Males

13389

M45-49

13389

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24423

Males

14046

M45-49

14046

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24353

Males

14013

M45-49

14013

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22838

Males

13267

M45-49

13267

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21742

Males

12705

M45-49

12705

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18248

Males

11143

M45-49

11143

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23086

Males

13372

M45-49

13372

Passing Analysis

Category:
Athletes Passed
725
Passed By
7396
Net Change
-6671
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12500
5K → 10K400253+147#12500#12353
10K → 15K137309-172#12353#12525
15K → 20K43772-729#12525#13254
20K → Half10129-119#13254#13373
Half → 25K171099-1082#13373#14455
25K → 30K151238-1223#14455#15678
30K → 20M22424-402#15678#16080
20M → 21M5735-730#16080#16810
21M → 35K6606-600#16810#17410
35K → 23M8939-931#17410#18341
23M → 24M6365-359#18341#18700
24M → 40K14219-205#18700#18905
40K → 25.2M3424+10#18905#18895
25.2M → Finish8284-276#18895#19171
TOTALS7257396-6671
📊

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