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BOSTON MARATHON 2023

Dennis Leedom

Bib: 30542•M

MA

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
9:41/mi
30:04
↑ 97↓ 3451.5%
10K· 6.21 mi
9:38/mi
1:00:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:29:54
↑ 67↓ 78
20K· 12.43 mi
10:17/mi
2:01:50
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:08:36
↑ 19↓ 370.5%
25K· 15.53 mi
11:02/mi
2:35:20
↑ 66↓ 880.2%
30K· 18.64 mi
11:50/mi
3:12:06
↑ 181↓ 1480.2%
20M
11:49/mi
3:28:09
↑ 64↓ 500.2%
21M
12:29/mi
3:40:38
↑ 106↓ 241.6%
35K· 21.75 mi
11:20/mi
3:49:07
↑ 17↓ 861.7%
23M
11:34/mi
4:03:36
↑ 23↓ 630.6%
24M
11:14/mi
4:14:50
↓ 821.3%
40K· 24.85 mi
11:23/mi
4:24:34
↓ 200.3%
25.2M
12:37/mi
4:28:55
↑ 13↓ 160.2%
Finish· 26.22 mi
11:02/mi
4:40:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:36
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:31:34
Pace11:34 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5830:049:4130:04
9:41
-
10K
6.21 mi12:23:551:00:019:4029:57
9:38
-0:03
15K
9.32 mi12:53:481:29:549:3929:53
9:37
-0:01
20K
12.43 mi13:25:442:01:509:4831:56
10:17
+0:40
Half
13.11 mi13:32:302:08:369:496:46
9:55
-0:22
25K
15.53 mi13:59:142:35:2010:0026:44
11:02
+1:07
30K
18.64 mi14:36:003:12:0610:1836:46
11:50
+0:48
20M
20.00 mi14:52:033:28:0910:2416:03
11:49
-0:01
21M
21.00 mi15:04:323:40:3810:3012:29
12:29
+0:40
35K
21.75 mi15:13:013:49:0710:328:29
11:20
-1:09
23M
23.00 mi15:27:304:03:3610:3514:29
11:34
+0:14
24M
24.00 mi15:38:444:14:5010:3711:14
11:14
-0:20
40K
24.85 mi15:48:284:24:3410:399:44
11:23
+0:09
25.2M
25.20 mi15:52:494:28:5510:404:21
12:37
+1:14
Finish
26.22 mi16:04:044:40:1010:4211:15
11:02
-1:35

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

9:37 /mi

Average Pace

10:42 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:36

46% of race

Time at Steady Pace

1:21:55

29% of race

Time at Slower Pace

1:09:39

25% of race

Average Pace: 10:41 /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 mi11:53:5830:049:4130:04
9:41
#22592
10K
6.21 mi12:23:551:00:019:4029:57
9:38
#22770
15K
9.32 mi12:53:481:29:549:3929:53
9:37
#22715
20K
12.43 mi13:25:442:01:509:4831:56
10:17
#22950
Half
13.11 mi13:32:302:08:369:496:46
9:55
#22962
25K
15.53 mi13:59:142:35:2010:0026:44
11:02
#23204
30K
18.64 mi14:36:003:12:0610:1836:46
11:50
#23458
20M
20.00 mi14:52:033:28:0910:2416:03
11:49
#23497
21M
21.00 mi15:04:323:40:3810:3012:29
12:29
#23497
35K
21.75 mi15:13:013:49:0710:328:29
11:20
#23511
23M
23.00 mi15:27:304:03:3610:3514:29
11:34
#23518
24M
24.00 mi15:38:444:14:5010:3711:14
11:14
#23528
40K
24.85 mi15:48:284:24:3410:399:44
11:23
#23511
25.2M
25.20 mi15:52:494:28:5510:404:21
12:37
#23519
Finish
26.22 mi16:04:044:40:1010:4211:15
11:02
#23553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22592133911339122567(Top 85%)13440(Top 89%)13440(Top 945%)
10K6.21 mi3.10 mi22770-17813511-12013511-12022906(Top 86%)13595(Top 90%)13595(Top 956%)
15K9.32 mi3.11 mi22715+5513500+1113500+1122567(Top 85%)13440(Top 89%)13440(Top 945%)
20K12.43 mi3.11 mi22950-23513610-11013610-11023434(Top 88%)13829(Top 91%)13829(Top 973%)
Half13.11 mi0.68 mi22962-1213613-313613-323108(Top 87%)13676(Top 90%)13676(Top 962%)
25K15.53 mi2.42 mi23204-24213723-11013723-11024020(Top 90%)14033(Top 92%)14033(Top 987%)
30K18.64 mi3.11 mi23458-25413816-9313816-9324310(Top 91%)14116(Top 93%)14116(Top 993%)
20M20.00 mi1.36 mi23497-3913819-313819-323959(Top 90%)13878(Top 91%)13878(Top 976%)
21M21.00 mi1.00 mi2349713818+113818+123433(Top 88%)13635(Top 90%)13635(Top 959%)
35K21.75 mi0.75 mi23511-1413817+113817+123865(Top 90%)13780(Top 91%)13780(Top 969%)
23M23.00 mi1.25 mi23518-713812+513812+523362(Top 88%)13558(Top 89%)13558(Top 953%)
24M24.00 mi1.00 mi23528-1013807+513807+523464(Top 88%)13564(Top 89%)13564(Top 954%)
40K24.85 mi0.85 mi23511+1713791+1613791+1623031(Top 87%)13336(Top 88%)13336(Top 938%)
25.2M25.20 mi0.35 mi23519-813785+613785+623444(Top 88%)13524(Top 89%)13524(Top 951%)
Finish26.22 mi1.02 mi23553-3413791-613791-624038(Top 90%)13837(Top 91%)13837(Top 973%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22567

Males

13440

M55-59

13440

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22906

Males

13595

M55-59

13595

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22567

Males

13440

M55-59

13440

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23434

Males

13829

M55-59

13829

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23108

Males

13676

M55-59

13676

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

24020

Males

14033

M55-59

14033

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24310

Males

14116

M55-59

14116

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23959

Males

13878

M55-59

13878

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23433

Males

13635

M55-59

13635

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23865

Males

13780

M55-59

13780

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23362

Males

13558

M55-59

13558

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23464

Males

13564

M55-59

13564

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23031

Males

13336

M55-59

13336

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23444

Males

13524

M55-59

13524

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24038

Males

13837

M55-59

13837

Passing Analysis

Category:
Athletes Passed
758
Passed By
1719
Net Change
-961
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22592
5K → 10K161339-178#22592#22770
10K → 15K179124+55#22770#22715
15K → 20K69304-235#22715#22950
20K → Half2234-12#22950#22962
Half → 25K40282-242#22962#23204
25K → 30K46300-254#23204#23458
30K → 20M4584-39#23458#23497
20M → 21M37370#23497#23497
21M → 35K2034-14#23497#23511
35K → 23M3744-7#23511#23518
23M → 24M2939-10#23518#23528
24M → 40K3619+17#23528#23511
40K → 25.2M1119-8#23511#23519
25.2M → Finish2660-34#23519#23553
TOTALS7581719-961
📊

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