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BOSTON MARATHON 2023

Jeffrey Kendall

Bib: 23773•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
9:06/mi
28:17
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
58:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:27:05
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:58:06
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:05:06
↑ 19↓ 370.5%
25K· 15.53 mi
10:53/mi
2:31:29
↑ 66↓ 880.2%
30K· 18.64 mi
13:00/mi
3:11:52
↑ 181↓ 1480.2%
20M
11:32/mi
3:27:33
↑ 64↓ 500.2%
21M
12:28/mi
3:40:01
↑ 106↓ 241.6%
35K· 21.75 mi
12:07/mi
3:49:05
↑ 17↓ 861.7%
23M
12:26/mi
4:04:39
↑ 23↓ 630.6%
24M
12:37/mi
4:17:16
↓ 821.3%
40K· 24.85 mi
15:11/mi
4:30:15
↓ 200.3%
25.2M
15:37/mi
4:35:38
↑ 13↓ 160.2%
Finish· 26.22 mi
11:49/mi
4:47:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:06
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:42:34
Pace12:24 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1528:179:0628:17
9:06
-
10K
6.21 mi11:54:4358:459:2730:28
9:48
+0:42
15K
9.32 mi12:23:031:27:059:2128:20
9:07
-0:41
20K
12.43 mi12:54:041:58:069:3031:01
9:59
+0:52
Half
13.11 mi13:01:042:05:069:337:00
10:16
+0:17
25K
15.53 mi13:27:272:31:299:4526:23
10:53
+0:37
30K
18.64 mi14:07:503:11:5210:1840:23
13:00
+2:07
20M
20.00 mi14:23:313:27:3310:2315:41
11:32
-1:28
21M
21.00 mi14:35:593:40:0110:2912:28
12:28
+0:56
35K
21.75 mi14:45:033:49:0510:329:04
12:07
-0:21
23M
23.00 mi15:00:374:04:3910:3815:34
12:26
+0:19
24M
24.00 mi15:13:144:17:1610:4312:37
12:37
+0:11
40K
24.85 mi15:26:134:30:1510:5212:59
15:11
+2:34
25.2M
25.20 mi15:31:364:35:3810:565:23
15:37
+0:26
Finish
26.22 mi15:43:384:47:4010:5912:02
11:49
-3:48

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

9:06 /mi

Average Pace

10:59 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:06

43% of race

Time at Steady Pace

1:43:49

36% of race

Time at Slower Pace

58:45

20% of race

Average Pace: 10:58 /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 mi11:24:1528:179:0628:17
9:06
#20883
10K
6.21 mi11:54:4358:459:2730:28
9:48
#22218
15K
9.32 mi12:23:031:27:059:2128:20
9:07
#21820
20K
12.43 mi12:54:041:58:069:3031:01
9:59
#22112
Half
13.11 mi13:01:042:05:069:337:00
10:16
#22225
25K
15.53 mi13:27:272:31:299:4526:23
10:53
#22582
30K
18.64 mi14:07:503:11:5210:1840:23
13:00
#23427
20M
20.00 mi14:23:313:27:3310:2315:41
11:32
#23434
21M
21.00 mi14:35:593:40:0110:2912:28
12:28
#23448
35K
21.75 mi14:45:033:49:0510:329:04
12:07
#23509
23M
23.00 mi15:00:374:04:3910:3815:34
12:26
#23601
24M
24.00 mi15:13:144:17:1610:4312:37
12:37
#23719
40K
24.85 mi15:26:134:30:1510:5212:59
15:11
#23916
25.2M
25.20 mi15:31:364:35:3810:565:23
15:37
#23984
Finish
26.22 mi15:43:384:47:4010:5912:02
11:49
#24034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20883125511255121011(Top 79%)12755(Top 84%)12755(Top 2323%)
10K6.21 mi3.10 mi22218-133513236-68513236-68523278(Top 87%)13762(Top 91%)13762(Top 2507%)
15K9.32 mi3.11 mi21820+39813061+17513061+17521011(Top 79%)12755(Top 84%)12755(Top 2323%)
20K12.43 mi3.11 mi22112-29213202-14113202-14122862(Top 86%)13558(Top 89%)13558(Top 2470%)
Half13.11 mi0.68 mi22225-11313254-5213254-5223771(Top 89%)13965(Top 92%)13965(Top 2544%)
25K15.53 mi2.42 mi22582-35713414-16013414-16023785(Top 89%)13926(Top 92%)13926(Top 2537%)
30K18.64 mi3.11 mi23427-84513803-38913803-38925410(Top 95%)14590(Top 96%)14590(Top 2658%)
20M20.00 mi1.36 mi23434-713787+1613787+1623584(Top 89%)13731(Top 90%)13731(Top 2501%)
21M21.00 mi1.00 mi23448-1413790-313790-323412(Top 88%)13624(Top 90%)13624(Top 2482%)
35K21.75 mi0.75 mi23509-6113815-2513815-2524788(Top 93%)14213(Top 94%)14213(Top 2589%)
23M23.00 mi1.25 mi23601-9213854-3913854-3924509(Top 92%)14093(Top 93%)14093(Top 2567%)
24M24.00 mi1.00 mi23719-11813888-3413888-3425169(Top 95%)14380(Top 95%)14380(Top 2619%)
40K24.85 mi0.85 mi23916-19713967-7913967-7926218(Top 98%)14923(Top 98%)14923(Top 2718%)
25.2M25.20 mi0.35 mi23984-6813998-3113998-3125973(Top 98%)14790(Top 97%)14790(Top 2694%)
Finish26.22 mi1.02 mi24034-5014012-1414012-1425042(Top 94%)14329(Top 94%)14329(Top 2610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21011

Males

12755

M65-69

12755

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23278

Males

13762

M65-69

13762

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21011

Males

12755

M65-69

12755

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22862

Males

13558

M65-69

13558

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23771

Males

13965

M65-69

13965

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23785

Males

13926

M65-69

13926

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25410

Males

14590

M65-69

14590

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23584

Males

13731

M65-69

13731

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23412

Males

13624

M65-69

13624

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24788

Males

14213

M65-69

14213

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24509

Males

14093

M65-69

14093

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25169

Males

14380

M65-69

14380

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26218

Males

14923

M65-69

14923

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25973

Males

14790

M65-69

14790

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25042

Males

14329

M65-69

14329

Passing Analysis

Category:
Athletes Passed
677
Passed By
3828
Net Change
-3151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20883
5K → 10K211356-1335#20883#22218
10K → 15K42729+398#22218#21820
15K → 20K49341-292#21820#22112
20K → Half7120-113#22112#22225
Half → 25K28385-357#22225#22582
25K → 30K7852-845#22582#23427
30K → 20M5158-7#23427#23434
20M → 21M3448-14#23434#23448
21M → 35K1172-61#23448#23509
35K → 23M13105-92#23509#23601
23M → 24M9127-118#23601#23719
24M → 40K4201-197#23719#23916
40K → 25.2M169-68#23916#23984
25.2M → Finish1565-50#23984#24034
TOTALS6773828-3151
📊

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