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BOSTON MARATHON 2023

Lars Liif

Bib: 27629•M

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
8:08/mi
25:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
50:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:16:40
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:43:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:09:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:37:36
↑ 181↓ 1480.2%
20M
9:11/mi
2:50:05
↑ 64↓ 500.2%
21M
9:43/mi
2:59:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:06:25
↑ 17↓ 861.7%
23M
9:09/mi
3:17:52
↑ 23↓ 630.6%
24M
8:49/mi
3:26:41
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:34:17
↓ 200.3%
25.2M
9:31/mi
3:37:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:46:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:42
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1025:168:0825:16
8:08
-
10K
6.21 mi12:07:4150:478:1025:31
8:13
+0:05
15K
9.32 mi12:33:341:16:408:1425:53
8:20
+0:07
20K
12.43 mi12:59:541:43:008:1726:20
8:29
+0:09
Half
13.11 mi13:05:361:48:428:175:42
8:21
-0:08
25K
15.53 mi13:26:392:09:458:2121:03
8:41
+0:20
30K
18.64 mi13:54:302:37:368:2727:51
8:58
+0:17
20M
20.00 mi14:06:592:50:058:3012:29
9:11
+0:13
21M
21.00 mi14:16:422:59:488:349:43
9:43
+0:32
35K
21.75 mi14:23:193:06:258:346:37
8:51
-0:52
23M
23.00 mi14:34:463:17:528:3611:27
9:09
+0:18
24M
24.00 mi14:43:353:26:418:378:49
8:49
-0:20
40K
24.85 mi14:51:113:34:178:377:36
8:53
+0:04
25.2M
25.20 mi14:54:283:37:348:383:17
9:31
+0:38
Finish
26.22 mi15:02:573:46:038:388:29
8:19
-1:12

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

8:08 /mi

Average Pace

8:38 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:16

71% of race

Time at Steady Pace

55:04

24% of race

Time at Slower Pace

9:43

4% of race

Average Pace: 8:37 /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 mi11:42:1025:168:0825:16
8:08
#14947
10K
6.21 mi12:07:4150:478:1025:31
8:13
#15630
15K
9.32 mi12:33:341:16:408:1425:53
8:20
#16003
20K
12.43 mi12:59:541:43:008:1726:20
8:29
#16169
Half
13.11 mi13:05:361:48:428:175:42
8:21
#16224
25K
15.53 mi13:26:392:09:458:2121:03
8:41
#16426
30K
18.64 mi13:54:302:37:368:2727:51
8:58
#16486
20M
20.00 mi14:06:592:50:058:3012:29
9:11
#16562
21M
21.00 mi14:16:422:59:488:349:43
9:43
#16560
35K
21.75 mi14:23:193:06:258:346:37
8:51
#16592
23M
23.00 mi14:34:463:17:528:3611:27
9:09
#16601
24M
24.00 mi14:43:353:26:418:378:49
8:49
#16578
40K
24.85 mi14:51:113:34:178:377:36
8:53
#16521
25.2M
25.20 mi14:54:283:37:348:383:17
9:31
#16493
Finish
26.22 mi15:02:573:46:038:388:29
8:19
#16385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14947103211032116726(Top 63%)10961(Top 72%)10961(Top 771%)
10K6.21 mi3.10 mi15630-68310559-23810559-23816339(Top 61%)10844(Top 71%)10844(Top 763%)
15K9.32 mi3.11 mi16003-37310700-14110700-14116726(Top 63%)10961(Top 72%)10961(Top 771%)
20K12.43 mi3.11 mi16169-16610745-4510745-4516691(Top 63%)10918(Top 72%)10918(Top 768%)
Half13.11 mi0.68 mi16224-5510762-1710762-1716789(Top 63%)10990(Top 72%)10990(Top 773%)
25K15.53 mi2.42 mi16426-20210811-4910811-4917269(Top 65%)11094(Top 73%)11094(Top 780%)
30K18.64 mi3.11 mi16486-6010786+2510786+2516968(Top 64%)10897(Top 72%)10897(Top 766%)
20M20.00 mi1.36 mi16562-7610806-2010806-2017462(Top 66%)11007(Top 73%)11007(Top 774%)
21M21.00 mi1.00 mi16560+210799+710799+716901(Top 63%)10750(Top 71%)10750(Top 756%)
35K21.75 mi0.75 mi16592-3210803-410803-417146(Top 64%)10765(Top 71%)10765(Top 757%)
23M23.00 mi1.25 mi16601-910789+1410789+1416742(Top 63%)10563(Top 70%)10563(Top 743%)
24M24.00 mi1.00 mi16578+2310764+2510764+2516271(Top 61%)10295(Top 68%)10295(Top 724%)
40K24.85 mi0.85 mi16521+5710720+4410720+4415539(Top 58%)9922(Top 65%)9922(Top 698%)
25.2M25.20 mi0.35 mi16493+2810701+1910701+1915244(Top 57%)9785(Top 64%)9785(Top 688%)
Finish26.22 mi1.02 mi16385+10810657+4410657+4414241(Top 53%)9360(Top 62%)9360(Top 658%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16726

Males

10961

M55-59

10961

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16339

Males

10844

M55-59

10844

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16726

Males

10961

M55-59

10961

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16691

Males

10918

M55-59

10918

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16789

Males

10990

M55-59

10990

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17269

Males

11094

M55-59

11094

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16968

Males

10897

M55-59

10897

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17462

Males

11007

M55-59

11007

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16901

Males

10750

M55-59

10750

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17146

Males

10765

M55-59

10765

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16742

Males

10563

M55-59

10563

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16271

Males

10295

M55-59

10295

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15539

Males

9922

M55-59

9922

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15244

Males

9785

M55-59

9785

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14241

Males

9360

M55-59

9360

Passing Analysis

Category:
Athletes Passed
1145
Passed By
2583
Net Change
-1438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14947
5K → 10K84767-683#14947#15630
10K → 15K82455-373#15630#16003
15K → 20K114280-166#16003#16169
20K → Half2580-55#16169#16224
Half → 25K81283-202#16224#16426
25K → 30K170230-60#16426#16486
30K → 20M54130-76#16486#16562
20M → 21M9290+2#16562#16560
21M → 35K3567-32#16560#16592
35K → 23M7584-9#16592#16601
23M → 24M7754+23#16601#16578
24M → 40K8730+57#16578#16521
40K → 25.2M4416+28#16521#16493
25.2M → Finish12517+108#16493#16385
TOTALS11452583-1438
📊

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