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BOSTON MARATHON 2023

Robert Kenneth

Bib: 31184•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
10:17/mi
31:57
↑ 97↓ 3451.5%
10K· 6.21 mi
10:00/mi
1:03:01
↑ 79↓ 1380.4%
15K· 9.32 mi
10:09/mi
1:34:34
↑ 67↓ 78
20K· 12.43 mi
10:42/mi
2:07:49
↑ 106↓ 860.1%
Half· 13.11 mi
11:17/mi
2:15:31
↑ 19↓ 370.5%
25K· 15.53 mi
12:15/mi
2:45:12
↑ 66↓ 880.2%
30K· 18.64 mi
13:50/mi
3:28:10
↑ 181↓ 1480.2%
20M
14:28/mi
3:47:50
↑ 64↓ 500.2%
21M
14:56/mi
4:02:46
↑ 106↓ 241.6%
35K· 21.75 mi
13:59/mi
4:13:14
↑ 17↓ 861.7%
23M
15:36/mi
4:32:46
↑ 23↓ 630.6%
24M
14:31/mi
4:47:17
↓ 821.3%
40K· 24.85 mi
15:38/mi
5:00:39
↓ 200.3%
25.2M
15:54/mi
5:06:08
↑ 13↓ 160.2%
Finish· 26.22 mi
13:15/mi
5:19:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:31
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time3:04:07
Pace14:03 /mi
📊Positive Split: 35.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2531:5710:1731:57
10:17
-
10K
6.21 mi12:22:291:03:0110:0831:04
10:00
-0:17
15K
9.32 mi12:54:021:34:3410:0931:33
10:09
+0:09
20K
12.43 mi13:27:172:07:4910:1733:15
10:42
+0:33
Half
13.11 mi13:34:592:15:3110:207:42
11:17
+0:35
25K
15.53 mi14:04:402:45:1210:3829:41
12:15
+0:58
30K
18.64 mi14:47:383:28:1011:1042:58
13:50
+1:35
20M
20.00 mi15:07:183:47:5011:2319:40
14:28
+0:38
21M
21.00 mi15:22:144:02:4611:3414:56
14:56
+0:28
35K
21.75 mi15:32:424:13:1411:3910:28
13:59
-0:57
23M
23.00 mi15:52:144:32:4611:5219:32
15:36
+1:37
24M
24.00 mi16:06:454:47:1711:5814:31
14:31
-1:05
40K
24.85 mi16:20:075:00:3912:0613:22
15:38
+1:07
25.2M
25.20 mi16:25:365:06:0812:095:29
15:54
+0:16
Finish
26.22 mi16:39:065:19:3812:1213:30
13:15
-2:39

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

10:00 /mi

Average Pace

12:12 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:12

52% of race

Time at Steady Pace

1:41:07

32% of race

Time at Slower Pace

53:19

17% of race

Average Pace: 12:11 /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 mi11:51:2531:5710:1731:57
10:17
#24182
10K
6.21 mi12:22:291:03:0110:0831:04
10:00
#23938
15K
9.32 mi12:54:021:34:3410:0931:33
10:09
#23890
20K
12.43 mi13:27:172:07:4910:1733:15
10:42
#23991
Half
13.11 mi13:34:592:15:3110:207:42
11:17
#24072
25K
15.53 mi14:04:402:45:1210:3829:41
12:15
#24424
30K
18.64 mi14:47:383:28:1011:1042:58
13:50
#24939
20M
20.00 mi15:07:183:47:5011:2319:40
14:28
#25095
21M
21.00 mi15:22:144:02:4611:3414:56
14:56
#25158
35K
21.75 mi15:32:424:13:1411:3910:28
13:59
#25230
23M
23.00 mi15:52:144:32:4611:5219:32
15:36
#25385
24M
24.00 mi16:06:454:47:1711:5814:31
14:31
#25457
40K
24.85 mi16:20:075:00:3912:0613:22
15:38
#25525
25.2M
25.20 mi16:25:365:06:0812:095:29
15:54
#25537
Finish
26.22 mi16:39:065:19:3812:1213:30
13:15
#25587
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24182141841418423787(Top 89%)13995(Top 92%)13995(Top 682%)
10K6.21 mi3.10 mi23938+24414055+12914055+12923680(Top 89%)13940(Top 92%)13940(Top 679%)
15K9.32 mi3.11 mi23890+4814039+1614039+1623787(Top 89%)13995(Top 92%)13995(Top 682%)
20K12.43 mi3.11 mi23991-10114085-4614085-4624177(Top 91%)14144(Top 93%)14144(Top 689%)
Half13.11 mi0.68 mi24072-8114113-2814113-2825288(Top 95%)14602(Top 96%)14602(Top 712%)
25K15.53 mi2.42 mi24424-35214257-14414257-14425349(Top 95%)14622(Top 96%)14622(Top 713%)
30K18.64 mi3.11 mi24939-51514463-20614463-20625939(Top 97%)14845(Top 98%)14845(Top 723%)
20M20.00 mi1.36 mi25095-15614524-6114524-6126083(Top 98%)14888(Top 98%)14888(Top 726%)
21M21.00 mi1.00 mi25158-6314544-2014544-2025691(Top 97%)14722(Top 97%)14722(Top 717%)
35K21.75 mi0.75 mi25230-7214571-2714571-2726121(Top 98%)14907(Top 98%)14907(Top 726%)
23M23.00 mi1.25 mi25385-15514636-6514636-6526424(Top 99%)15064(Top 99%)15064(Top 734%)
24M24.00 mi1.00 mi25457-7214664-2814664-2826270(Top 99%)14963(Top 99%)14963(Top 729%)
40K24.85 mi0.85 mi25525-6814685-2114685-2126342(Top 99%)15001(Top 99%)15001(Top 731%)
25.2M25.20 mi0.35 mi25537-1214690-514690-526086(Top 98%)14859(Top 98%)14859(Top 724%)
Finish26.22 mi1.02 mi25587-5014712-2214712-2226090(Top 98%)14856(Top 98%)14856(Top 724%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23787

Males

13995

M50-54

13995

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23680

Males

13940

M50-54

13940

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23787

Males

13995

M50-54

13995

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24177

Males

14144

M50-54

14144

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25288

Males

14602

M50-54

14602

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25349

Males

14622

M50-54

14622

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25939

Males

14845

M50-54

14845

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26083

Males

14888

M50-54

14888

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25691

Males

14722

M50-54

14722

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26121

Males

14907

M50-54

14907

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26424

Males

15064

M50-54

15064

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26270

Males

14963

M50-54

14963

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26342

Males

15001

M50-54

15001

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26086

Males

14859

M50-54

14859

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26090

Males

14856

M50-54

14856

Passing Analysis

Category:
Athletes Passed
653
Passed By
2058
Net Change
-1405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24182
5K → 10K347103+244#24182#23938
10K → 15K14799+48#23938#23890
15K → 20K74175-101#23890#23991
20K → Half687-81#23991#24072
Half → 25K18370-352#24072#24424
25K → 30K9524-515#24424#24939
30K → 20M12168-156#24939#25095
20M → 21M972-63#25095#25158
21M → 35K981-72#25158#25230
35K → 23M0155-155#25230#25385
23M → 24M375-72#25385#25457
24M → 40K876-68#25457#25525
40K → 25.2M517-12#25525#25537
25.2M → Finish656-50#25537#25587
TOTALS6532058-1405
📊

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