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BOSTON MARATHON 2023

Ronald Kennedy

Bib: 31823•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
10:46/mi
33:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:40/mi
1:06:35
↑ 79↓ 1380.4%
15K· 9.32 mi
10:44/mi
1:39:55
↑ 67↓ 78
20K· 12.43 mi
11:08/mi
2:14:30
↑ 106↓ 860.1%
Half· 13.11 mi
10:49/mi
2:21:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:12/mi
2:49:03
↑ 66↓ 880.2%
30K· 18.64 mi
11:27/mi
3:24:36
↑ 181↓ 1480.2%
20M
11:14/mi
3:39:52
↑ 64↓ 500.2%
21M
11:38/mi
3:51:30
↑ 106↓ 241.6%
35K· 21.75 mi
14:10/mi
4:02:06
↑ 17↓ 861.7%
23M
16:05/mi
4:22:14
↑ 23↓ 630.6%
24M
12:35/mi
4:34:49
↓ 821.3%
40K· 24.85 mi
14:23/mi
4:47:07
↓ 200.3%
25.2M
17:33/mi
4:53:10
↑ 13↓ 160.2%
Finish· 26.22 mi
12:10/mi
5:05:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:53
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:43:41
Pace12:29 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0433:2710:4633:27
10:46
-
10K
6.21 mi12:26:121:06:3510:4333:08
10:40
-0:06
15K
9.32 mi12:59:321:39:5510:4333:20
10:44
+0:04
20K
12.43 mi13:34:072:14:3010:4934:35
11:08
+0:24
Half
13.11 mi13:41:302:21:5310:497:23
10:49
-0:19
25K
15.53 mi14:08:402:49:0310:5327:10
11:12
+0:23
30K
18.64 mi14:44:133:24:3610:5935:33
11:27
+0:15
20M
20.00 mi14:59:293:39:5211:0015:16
11:14
-0:13
21M
21.00 mi15:11:073:51:3011:0111:38
11:38
+0:24
35K
21.75 mi15:21:434:02:0611:0810:36
14:10
+2:32
23M
23.00 mi15:41:514:22:1411:2420:08
16:05
+1:55
24M
24.00 mi15:54:264:34:4911:2712:35
12:35
-3:30
40K
24.85 mi16:06:444:47:0711:3312:18
14:23
+1:48
25.2M
25.20 mi16:12:474:53:1011:386:03
17:33
+3:10
Finish
26.22 mi16:25:115:05:3411:4012:24
12:10
-5:23

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

10:40 /mi

Average Pace

11:40 /mi

Slowest Pace

17:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:03:54

80% of race

Time at Slower Pace

1:01:40

20% of race

Average Pace: 11:39 /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 mi11:53:0433:2710:4633:27
10:46
#25306
10K
6.21 mi12:26:121:06:3510:4333:08
10:40
#25114
15K
9.32 mi12:59:321:39:5510:4333:20
10:44
#25013
20K
12.43 mi13:34:072:14:3010:4934:35
11:08
#24947
Half
13.11 mi13:41:302:21:5310:497:23
10:49
#24936
25K
15.53 mi14:08:402:49:0310:5327:10
11:12
#24825
30K
18.64 mi14:44:133:24:3610:5935:33
11:27
#24634
20M
20.00 mi14:59:293:39:5211:0015:16
11:14
#24522
21M
21.00 mi15:11:073:51:3011:0111:38
11:38
#24402
35K
21.75 mi15:21:434:02:0611:0810:36
14:10
#24542
23M
23.00 mi15:41:514:22:1411:2420:08
16:05
#24857
24M
24.00 mi15:54:264:34:4911:2712:35
12:35
#24887
40K
24.85 mi16:06:444:47:0711:3312:18
14:23
#24977
25.2M
25.20 mi16:12:474:53:1011:386:03
17:33
#25045
Finish
26.22 mi16:25:115:05:3411:4012:24
12:10
#25066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi25306146721467224839(Top 93%)14439(Top 95%)14439(Top 1301%)
10K6.21 mi3.10 mi25114+19214592+8014592+8024954(Top 94%)14516(Top 96%)14516(Top 1308%)
15K9.32 mi3.11 mi25013+10114550+4214550+4224839(Top 93%)14439(Top 95%)14439(Top 1301%)
20K12.43 mi3.11 mi24947+6614496+5414496+5424780(Top 93%)14406(Top 95%)14406(Top 1298%)
Half13.11 mi0.68 mi24936+1114491+514491+524694(Top 93%)14356(Top 95%)14356(Top 1293%)
25K15.53 mi2.42 mi24825+11114435+5614435+5624275(Top 91%)14154(Top 93%)14154(Top 1275%)
30K18.64 mi3.11 mi24634+19114334+10114334+10123781(Top 89%)13872(Top 91%)13872(Top 1250%)
20M20.00 mi1.36 mi24522+11214280+5414280+5423072(Top 87%)13499(Top 89%)13499(Top 1216%)
21M21.00 mi1.00 mi24402+12014213+6714213+6722119(Top 83%)13039(Top 86%)13039(Top 1175%)
35K21.75 mi0.75 mi24542-14014277-6414277-6426185(Top 98%)14943(Top 98%)14943(Top 1346%)
23M23.00 mi1.25 mi24857-31514399-12214399-12226501(Top 100%)15103(Top 100%)15103(Top 1361%)
24M24.00 mi1.00 mi24887-3014397+214397+225141(Top 94%)14367(Top 95%)14367(Top 1294%)
40K24.85 mi0.85 mi24977-9014435-3814435-3825895(Top 97%)14744(Top 97%)14744(Top 1328%)
25.2M25.20 mi0.35 mi25045-6814464-2914464-2926455(Top 99%)15069(Top 99%)15069(Top 1358%)
Finish26.22 mi1.02 mi25066-2114469-514469-525392(Top 95%)14506(Top 96%)14506(Top 1307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24839

Males

14439

M60-64

14439

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24954

Males

14516

M60-64

14516

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24839

Males

14439

M60-64

14439

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24780

Males

14406

M60-64

14406

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24694

Males

14356

M60-64

14356

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24275

Males

14154

M60-64

14154

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23781

Males

13872

M60-64

13872

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23072

Males

13499

M60-64

13499

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22119

Males

13039

M60-64

13039

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26185

Males

14943

M60-64

14943

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

26501

Males

15103

M60-64

15103

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25141

Males

14367

M60-64

14367

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25895

Males

14744

M60-64

14744

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26455

Males

15069

M60-64

15069

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25392

Males

14506

M60-64

14506

Passing Analysis

Category:
Athletes Passed
1234
Passed By
994
Net Change
+240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25306
5K → 10K28088+192#25306#25114
10K → 15K16968+101#25114#25013
15K → 20K13771+66#25013#24947
20K → Half209+11#24947#24936
Half → 25K13120+111#24936#24825
25K → 30K21726+191#24825#24634
30K → 20M1208+112#24634#24522
20M → 21M1244+120#24522#24402
21M → 35K2142-140#24402#24542
35K → 23M1316-315#24542#24857
23M → 24M1747-30#24857#24887
24M → 40K696-90#24887#24977
40K → 25.2M068-68#24977#25045
25.2M → Finish1031-21#25045#25066
TOTALS1234994+240
📊

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