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BOSTON MARATHON 2023

Ken Bluemel

Bib: 16143•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
9:16/mi
28:47
↑ 97↓ 3451.5%
10K· 6.21 mi
10:02/mi
59:58
↑ 79↓ 1380.4%
15K· 9.32 mi
10:53/mi
1:33:48
↑ 67↓ 78
20K· 12.43 mi
10:00/mi
2:04:53
↑ 106↓ 860.1%
Half· 13.11 mi
11:04/mi
2:12:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:36:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:19/mi
3:08:39
↑ 181↓ 1480.2%
20M
10:21/mi
3:22:43
↑ 64↓ 500.2%
21M
11:23/mi
3:34:06
↑ 106↓ 241.6%
35K· 21.75 mi
10:58/mi
3:42:18
↑ 17↓ 861.7%
23M
10:36/mi
3:55:34
↑ 23↓ 630.6%
24M
9:29/mi
4:05:03
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:14:16
↓ 200.3%
25.2M
13:58/mi
4:19:05
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
4:28:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:26
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:16:16
Pace10:24 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4428:479:1628:47
9:16
-
10K
6.21 mi11:52:5559:589:3931:11
10:02
+0:46
15K
9.32 mi12:26:451:33:4810:0433:50
10:53
+0:51
20K
12.43 mi12:57:502:04:5310:0331:05
10:00
-0:53
Half
13.11 mi13:05:232:12:2610:067:33
11:04
+1:04
25K
15.53 mi13:29:332:36:3610:0524:10
9:58
-1:06
30K
18.64 mi14:01:363:08:3910:0732:03
10:19
+0:21
20M
20.00 mi14:15:403:22:4310:0814:04
10:21
+0:02
21M
21.00 mi14:27:033:34:0610:1211:23
11:23
+1:02
35K
21.75 mi14:35:153:42:1810:138:12
10:58
-0:25
23M
23.00 mi14:48:313:55:3410:1513:16
10:36
-0:22
24M
24.00 mi14:58:004:05:0310:139:29
9:29
-1:07
40K
24.85 mi15:07:134:14:1610:149:13
10:47
+1:18
25.2M
25.20 mi15:12:024:19:0510:174:49
13:58
+3:11
Finish
26.22 mi15:21:394:28:4210:159:37
9:26
-4:32

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

9:16 /mi

Average Pace

10:15 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:53

18% of race

Time at Steady Pace

3:08:52

70% of race

Time at Slower Pace

31:57

12% of race

Average Pace: 10:15 /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 mi11:21:4428:479:1628:47
9:16
#21421
10K
6.21 mi11:52:5559:589:3931:11
10:02
#22753
15K
9.32 mi12:26:451:33:4810:0433:50
10:53
#23736
20K
12.43 mi12:57:502:04:5310:0331:05
10:00
#23535
Half
13.11 mi13:05:232:12:2610:067:33
11:04
#23634
25K
15.53 mi13:29:332:36:3610:0524:10
9:58
#23388
30K
18.64 mi14:01:363:08:3910:0732:03
10:19
#23086
20M
20.00 mi14:15:403:22:4310:0814:04
10:21
#22940
21M
21.00 mi14:27:033:34:0610:1211:23
11:23
#22875
35K
21.75 mi14:35:153:42:1810:138:12
10:58
#22885
23M
23.00 mi14:48:313:55:3410:1513:16
10:36
#22799
24M
24.00 mi14:58:004:05:0310:139:29
9:29
#22655
40K
24.85 mi15:07:134:14:1610:149:13
10:47
#22634
25.2M
25.20 mi15:12:024:19:0510:174:49
13:58
#22698
Finish
26.22 mi15:21:394:28:4210:159:37
9:26
#22624
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21421128111281125045(Top 94%)14537(Top 96%)14537(Top 1022%)
10K6.21 mi3.10 mi22753-133213504-69313504-69323766(Top 89%)13976(Top 92%)13976(Top 983%)
15K9.32 mi3.11 mi23736-98313970-46613970-46625045(Top 94%)14537(Top 96%)14537(Top 1022%)
20K12.43 mi3.11 mi23535+20113884+8613884+8622925(Top 86%)13588(Top 90%)13588(Top 956%)
Half13.11 mi0.68 mi23634-9913926-4213926-4225010(Top 94%)14480(Top 95%)14480(Top 1018%)
25K15.53 mi2.42 mi23388+24613809+11713809+11722144(Top 83%)13205(Top 87%)13205(Top 929%)
30K18.64 mi3.11 mi23086+30213634+17513634+17521809(Top 82%)12991(Top 86%)12991(Top 914%)
20M20.00 mi1.36 mi22940+14613552+8213552+8221399(Top 80%)12740(Top 84%)12740(Top 896%)
21M21.00 mi1.00 mi22875+6513514+3813514+3821657(Top 81%)12829(Top 85%)12829(Top 902%)
35K21.75 mi0.75 mi22885-1013510+413510+423224(Top 87%)13490(Top 89%)13490(Top 949%)
23M23.00 mi1.25 mi22799+8613453+5713453+5721548(Top 81%)12712(Top 84%)12712(Top 894%)
24M24.00 mi1.00 mi22655+14413386+6713386+6719148(Top 72%)11601(Top 76%)11601(Top 816%)
40K24.85 mi0.85 mi22634+2113365+2113365+2121894(Top 82%)12781(Top 84%)12781(Top 899%)
25.2M25.20 mi0.35 mi22698-6413393-2813393-2824967(Top 94%)14261(Top 94%)14261(Top 1003%)
Finish26.22 mi1.02 mi22624+7413351+4213351+4219900(Top 75%)11945(Top 79%)11945(Top 840%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25045

Males

14537

M55-59

14537

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23766

Males

13976

M55-59

13976

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25045

Males

14537

M55-59

14537

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22925

Males

13588

M55-59

13588

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

25010

Males

14480

M55-59

14480

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22144

Males

13205

M55-59

13205

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21809

Males

12991

M55-59

12991

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21399

Males

12740

M55-59

12740

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21657

Males

12829

M55-59

12829

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23224

Males

13490

M55-59

13490

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21548

Males

12712

M55-59

12712

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19148

Males

11601

M55-59

11601

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21894

Males

12781

M55-59

12781

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24967

Males

14261

M55-59

14261

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19900

Males

11945

M55-59

11945

Passing Analysis

Category:
Athletes Passed
1448
Passed By
2651
Net Change
-1203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21421
5K → 10K101342-1332#21421#22753
10K → 15K5988-983#22753#23736
15K → 20K23534+201#23736#23535
20K → Half4103-99#23535#23634
Half → 25K2526+246#23634#23388
25K → 30K31715+302#23388#23086
30K → 20M1537+146#23086#22940
20M → 21M8419+65#22940#22875
21M → 35K2535-10#22875#22885
35K → 23M10014+86#22885#22799
23M → 24M1440+144#22799#22655
24M → 40K3716+21#22655#22634
40K → 25.2M266-64#22634#22698
25.2M → Finish806+74#22698#22624
TOTALS14482651-1203
📊

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