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BOSTON MARATHON 2023

Frank Luh

Bib: 9480•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #17307
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
51:49
Rank: #16766 (+541)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:17:53
Rank: #16892 (-126)
10K → 15K
26:04 | 8:23/mi
20K· 12.43 mi
1:45:27
Rank: #17455 (-563)
15K → 20K
27:34 | 8:52/mi
Half· 13.11 mi
1:51:05
Rank: #17385 (+70)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:12:11
Rank: #17373 (+12)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:41:25
Rank: #17707 (-334)
25K → 30K
29:14 | 9:25/mi
20M
2:54:19
Rank: #17816 (-109)
30K → 20M
12:54 | 9:30/mi
21M
3:04:03
Rank: #17756 (+60)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:10:31
Rank: #17694 (+62)
21M → 35K
6:28 | 8:39/mi
23M
3:21:58
Rank: #17646 (+48)
35K → 23M
11:27 | 9:09/mi
24M
3:30:58
Rank: #17649 (-3)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:38:58
Rank: #17675 (-26)
24M → 40K
8:00 | 9:21/mi
25.2M
3:42:26
Rank: #17681 (-6)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:51:37
Rank: #17690 (-9)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:00:32
Pace9:12 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3726:188:2826:18
8:28
-
10K
6.21 mi11:43:0851:498:2025:31
8:13
-0:15
15K
9.32 mi12:09:121:17:538:2126:04
8:23
+0:10
20K
12.43 mi12:36:461:45:278:2927:34
8:52
+0:29
Half
13.11 mi12:42:241:51:058:285:38
8:15
-0:37
25K
15.53 mi13:03:302:12:118:3121:06
8:42
+0:27
30K
18.64 mi13:32:442:41:258:4029:14
9:25
+0:43
20M
20.00 mi13:45:382:54:198:4312:54
9:30
+0:05
21M
21.00 mi13:55:223:04:038:469:44
9:44
+0:14
35K
21.75 mi14:01:503:10:318:466:28
8:39
-1:05
23M
23.00 mi14:13:173:21:588:4711:27
9:09
+0:30
24M
24.00 mi14:22:173:30:588:479:00
9:00
-0:09
40K
24.85 mi14:30:173:38:588:498:00
9:21
+0:21
25.2M
25.20 mi14:33:453:42:268:503:28
10:03
+0:42
Finish
26.22 mi14:42:563:51:378:509:11
9:01
-1:02

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

8:13 /mi

Average Pace

8:50 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:05

48% of race

Time at Steady Pace

57:12

25% of race

Time at Slower Pace

1:03:20

27% of race

Average Pace: 8:50 /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 mi11:17:3726:188:2826:18
8:28
#17307
10K
6.21 mi11:43:0851:498:2025:31
8:13
#16766
15K
9.32 mi12:09:121:17:538:2126:04
8:23
#16892
20K
12.43 mi12:36:461:45:278:2927:34
8:52
#17455
Half
13.11 mi12:42:241:51:058:285:38
8:15
#17385
25K
15.53 mi13:03:302:12:118:3121:06
8:42
#17373
30K
18.64 mi13:32:442:41:258:4029:14
9:25
#17707
20M
20.00 mi13:45:382:54:198:4312:54
9:30
#17816
21M
21.00 mi13:55:223:04:038:469:44
9:44
#17756
35K
21.75 mi14:01:503:10:318:466:28
8:39
#17694
23M
23.00 mi14:13:173:21:588:4711:27
9:09
#17646
24M
24.00 mi14:22:173:30:588:479:00
9:00
#17649
40K
24.85 mi14:30:173:38:588:498:00
9:21
#17675
25.2M
25.20 mi14:33:453:42:268:503:28
10:03
#17681
Finish
26.22 mi14:42:563:51:378:509:11
9:01
#17690
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi17307111561115617080(Top 64%)11089(Top 73%)11089(Top 495%)
10K6.21 mi3.10 mi16766+54110992+16410992+16416342(Top 61%)10847(Top 71%)10847(Top 484%)
15K9.32 mi3.11 mi16892-12611023-3111023-3117080(Top 64%)11089(Top 73%)11089(Top 495%)
20K12.43 mi3.11 mi17455-56311244-22111244-22119066(Top 72%)11915(Top 79%)11915(Top 532%)
Half13.11 mi0.68 mi17385+7011211+3311211+3316183(Top 61%)10768(Top 71%)10768(Top 480%)
25K15.53 mi2.42 mi17373+1211192+1911192+1917383(Top 65%)11145(Top 73%)11145(Top 497%)
30K18.64 mi3.11 mi17707-33411306-11411306-11419066(Top 72%)11810(Top 78%)11810(Top 527%)
20M20.00 mi1.36 mi17816-10911326-2011326-2018820(Top 71%)11595(Top 76%)11595(Top 517%)
21M21.00 mi1.00 mi17756+6011293+3311293+3316967(Top 64%)10779(Top 71%)10779(Top 481%)
35K21.75 mi0.75 mi17694+6211252+4111252+4116078(Top 60%)10328(Top 68%)10328(Top 461%)
23M23.00 mi1.25 mi17646+4811216+3611216+3616752(Top 63%)10573(Top 70%)10573(Top 472%)
24M24.00 mi1.00 mi17649-311203+1311203+1317219(Top 65%)10724(Top 71%)10724(Top 479%)
40K24.85 mi0.85 mi17675-2611208-511208-517761(Top 67%)10920(Top 72%)10920(Top 487%)
25.2M25.20 mi0.35 mi17681-611210-211210-217555(Top 66%)10812(Top 71%)10812(Top 482%)
Finish26.22 mi1.02 mi17690-911201+911201+918019(Top 68%)11079(Top 73%)11079(Top 494%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17080

Males

11089

M40-44

11089

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16342

Males

10847

M40-44

10847

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17080

Males

11089

M40-44

11089

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19066

Males

11915

M40-44

11915

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16183

Males

10768

M40-44

10768

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17383

Males

11145

M40-44

11145

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19066

Males

11810

M40-44

11810

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18820

Males

11595

M40-44

11595

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16967

Males

10779

M40-44

10779

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16078

Males

10328

M40-44

10328

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16752

Males

10573

M40-44

10573

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17219

Males

10724

M40-44

10724

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17761

Males

10920

M40-44

10920

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17555

Males

10812

M40-44

10812

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18019

Males

11079

M40-44

11079

Passing Analysis

Category:
Athletes Passed
1726
Passed By
2109
Net Change
-383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17307
5K → 10K675134+541#17307#16766
10K → 15K153279-126#16766#16892
15K → 20K60623-563#16892#17455
20K → Half755+70#17455#17385
Half → 25K135123+12#17385#17373
25K → 30K83417-334#17373#17707
30K → 20M59168-109#17707#17816
20M → 21M11454+60#17816#17756
21M → 35K7715+62#17756#17694
35K → 23M10658+48#17694#17646
23M → 24M6366-3#17646#17649
24M → 40K4470-26#17649#17675
40K → 25.2M2733-6#17675#17681
25.2M → Finish5564-9#17681#17690
TOTALS17262109-383
📊

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