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BOSTON MARATHON 2023

Dave Lancour

Bib: 23445•M

WI

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:50
Rank: #20252
Start → 5K
27:50 | 8:58/mi
10K· 6.21 mi
55:48
Rank: #20565 (-313)
5K → 10K
27:58 | 9:00/mi
15K· 9.32 mi
1:24:07
Rank: #20685 (-120)
10K → 15K
28:19 | 9:07/mi
20K· 12.43 mi
1:53:10
Rank: #20807 (-122)
15K → 20K
29:03 | 9:21/mi
Half· 13.11 mi
1:59:22
Rank: #20803 (+4)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:22:17
Rank: #20800 (+3)
Half → 25K
22:55 | 9:27/mi
30K· 18.64 mi
2:52:51
Rank: #20717 (+83)
25K → 30K
30:34 | 9:50/mi
20M
3:06:14
Rank: #20641 (+76)
30K → 20M
13:23 | 9:51/mi
21M
3:16:43
Rank: #20568 (+73)
20M → 21M
10:29 | 10:29/mi
35K· 21.75 mi
3:23:56
Rank: #20551 (+17)
21M → 35K
7:13 | 9:39/mi
23M
3:36:30
Rank: #20506 (+45)
35K → 23M
12:34 | 10:02/mi
24M
3:46:30
Rank: #20508 (-2)
23M → 24M
10:00 | 10:00/mi
40K· 24.85 mi
3:55:13
Rank: #20510 (-2)
24M → 40K
8:43 | 10:12/mi
25.2M
3:58:56
Rank: #20496 (+14)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:08:43
Rank: #20488 (+8)
25.2M → Finish
9:47 | 9:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:22
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:09:21
Pace9:52 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5727:508:5827:50
8:58
-
10K
6.21 mi11:52:5555:488:5927:58
9:00
+0:02
15K
9.32 mi12:21:141:24:079:0128:19
9:07
+0:07
20K
12.43 mi12:50:171:53:109:0629:03
9:21
+0:14
Half
13.11 mi12:56:291:59:229:066:12
9:05
-0:16
25K
15.53 mi13:19:242:22:179:1022:55
9:27
+0:22
30K
18.64 mi13:49:582:52:519:1630:34
9:50
+0:23
20M
20.00 mi14:03:213:06:149:1913:23
9:51
+0:01
21M
21.00 mi14:13:503:16:439:2210:29
10:29
+0:38
35K
21.75 mi14:21:033:23:569:237:13
9:39
-0:50
23M
23.00 mi14:33:373:36:309:2512:34
10:02
+0:23
24M
24.00 mi14:43:373:46:309:2610:00
10:00
-0:02
40K
24.85 mi14:52:203:55:139:288:43
10:12
+0:12
25.2M
25.20 mi14:56:033:58:569:293:43
10:47
+0:35
Finish
26.22 mi15:05:504:08:439:309:47
9:36
-1:11

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

8:58 /mi

Average Pace

9:30 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:22

48% of race

Time at Steady Pace

1:23:52

34% of race

Time at Slower Pace

45:29

18% of race

Average Pace: 9:29 /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 mi11:24:5727:508:5827:50
8:58
#20252
10K
6.21 mi11:52:5555:488:5927:58
9:00
#20565
15K
9.32 mi12:21:141:24:079:0128:19
9:07
#20685
20K
12.43 mi12:50:171:53:109:0629:03
9:21
#20807
Half
13.11 mi12:56:291:59:229:066:12
9:05
#20803
25K
15.53 mi13:19:242:22:179:1022:55
9:27
#20800
30K
18.64 mi13:49:582:52:519:1630:34
9:50
#20717
20M
20.00 mi14:03:213:06:149:1913:23
9:51
#20641
21M
21.00 mi14:13:503:16:439:2210:29
10:29
#20568
35K
21.75 mi14:21:033:23:569:237:13
9:39
#20551
23M
23.00 mi14:33:373:36:309:2512:34
10:02
#20506
24M
24.00 mi14:43:373:46:309:2610:00
10:00
#20508
40K
24.85 mi14:52:203:55:139:288:43
10:12
#20510
25.2M
25.20 mi14:56:033:58:569:293:43
10:47
#20496
Finish
26.22 mi15:05:504:08:439:309:47
9:36
#20488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20252122601226020987(Top 79%)12737(Top 84%)12737(Top 2320%)
10K6.21 mi3.10 mi20565-31312473-21312473-21320879(Top 78%)12660(Top 83%)12660(Top 2306%)
15K9.32 mi3.11 mi20685-12012548-7512548-7520987(Top 79%)12737(Top 84%)12737(Top 2320%)
20K12.43 mi3.11 mi20807-12212619-7112619-7121092(Top 79%)12783(Top 84%)12783(Top 2328%)
Half13.11 mi0.68 mi20803+412620-112620-120764(Top 78%)12631(Top 83%)12631(Top 2301%)
25K15.53 mi2.42 mi20800+312633-1312633-1320678(Top 78%)12566(Top 83%)12566(Top 2289%)
30K18.64 mi3.11 mi20717+8312582+5112582+5120555(Top 77%)12448(Top 82%)12448(Top 2267%)
20M20.00 mi1.36 mi20641+7612521+6112521+6120001(Top 75%)12129(Top 80%)12129(Top 2209%)
21M21.00 mi1.00 mi20568+7312480+4112480+4119542(Top 73%)11855(Top 78%)11855(Top 2159%)
35K21.75 mi0.75 mi20551+1712468+1212468+1220284(Top 76%)12158(Top 80%)12158(Top 2215%)
23M23.00 mi1.25 mi20506+4512429+3912429+3920085(Top 75%)12058(Top 79%)12058(Top 2196%)
24M24.00 mi1.00 mi20508-212422+712422+720770(Top 78%)12329(Top 81%)12329(Top 2246%)
40K24.85 mi0.85 mi20510-212411+1112411+1120466(Top 77%)12129(Top 80%)12129(Top 2209%)
25.2M25.20 mi0.35 mi20496+1412405+612405+619890(Top 75%)11869(Top 78%)11869(Top 2162%)
Finish26.22 mi1.02 mi20488+812386+1912386+1920463(Top 77%)12166(Top 80%)12166(Top 2216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20987

Males

12737

M65-69

12737

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20879

Males

12660

M65-69

12660

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20987

Males

12737

M65-69

12737

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21092

Males

12783

M65-69

12783

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20764

Males

12631

M65-69

12631

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20678

Males

12566

M65-69

12566

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20555

Males

12448

M65-69

12448

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20001

Males

12129

M65-69

12129

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19542

Males

11855

M65-69

11855

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20284

Males

12158

M65-69

12158

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20085

Males

12058

M65-69

12058

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20770

Males

12329

M65-69

12329

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20466

Males

12129

M65-69

12129

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19890

Males

11869

M65-69

11869

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20463

Males

12166

M65-69

12166

Passing Analysis

Category:
Athletes Passed
1244
Passed By
1480
Net Change
-236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20252
5K → 10K167480-313#20252#20565
10K → 15K127247-120#20565#20685
15K → 20K115237-122#20685#20807
20K → Half3127+4#20807#20803
Half → 25K10198+3#20803#20800
25K → 30K18198+83#20800#20717
30K → 20M10731+76#20717#20641
20M → 21M11239+73#20641#20568
21M → 35K4629+17#20568#20551
35K → 23M8641+45#20551#20506
23M → 24M4850-2#20506#20508
24M → 40K4547-2#20508#20510
40K → 25.2M3420+14#20510#20496
25.2M → Finish4436+8#20496#20488
TOTALS12441480-236
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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