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BOSTON MARATHON 2023

Andy Rosandick

Bib: 20656•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 (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:23
Rank: #17499
Start → 5K
26:23 | 8:30/mi
10K· 6.21 mi
52:38
Rank: #17720 (-221)
5K → 10K
26:15 | 8:27/mi
15K· 9.32 mi
1:19:31
Rank: #18059 (-339)
10K → 15K
26:53 | 8:39/mi
20K· 12.43 mi
1:46:29
Rank: #18021 (+38)
15K → 20K
26:58 | 8:41/mi
Half· 13.11 mi
1:52:15
Rank: #17978 (+43)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:13:36
Rank: #17958 (+20)
Half → 25K
21:21 | 8:48/mi
30K· 18.64 mi
2:43:04
Rank: #18269 (-311)
25K → 30K
29:28 | 9:29/mi
20M
2:57:24
Rank: #18733 (-464)
30K → 20M
14:20 | 10:33/mi
21M
3:11:32
Rank: #19601 (-868)
20M → 21M
14:08 | 14:08/mi
35K· 21.75 mi
3:19:58
Rank: #19879 (-278)
21M → 35K
8:26 | 11:16/mi
23M
3:34:21
Rank: #20198 (-319)
35K → 23M
14:23 | 11:29/mi
24M
3:45:12
Rank: #20352 (-154)
23M → 24M
10:51 | 10:51/mi
40K· 24.85 mi
3:55:11
Rank: #20509 (-157)
24M → 40K
9:59 | 11:41/mi
25.2M
4:00:05
Rank: #20652 (-143)
40K → 25.2M
4:54 | 14:13/mi
Finish· 26.22 mi
4:10:43
Rank: #20736 (-84)
25.2M → Finish
10:38 | 10:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:15
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:18:28
Pace10:34 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2226:238:3026:23
8:30
-
10K
6.21 mi11:47:3752:388:2826:15
8:27
-0:03
15K
9.32 mi12:14:301:19:318:3226:53
8:39
+0:12
20K
12.43 mi12:41:281:46:298:3426:58
8:41
+0:02
Half
13.11 mi12:47:141:52:158:345:46
8:27
-0:14
25K
15.53 mi13:08:352:13:368:3621:21
8:48
+0:21
30K
18.64 mi13:38:032:43:048:4529:28
9:29
+0:41
20M
20.00 mi13:52:232:57:248:5214:20
10:33
+1:04
21M
21.00 mi14:06:313:11:329:0714:08
14:08
+3:35
35K
21.75 mi14:14:573:19:589:128:26
11:16
-2:52
23M
23.00 mi14:29:203:34:219:1914:23
11:29
+0:13
24M
24.00 mi14:40:113:45:129:2310:51
10:51
-0:38
40K
24.85 mi14:50:103:55:119:289:59
11:41
+0:50
25.2M
25.20 mi14:55:044:00:059:324:54
14:13
+2:32
Finish
26.22 mi15:05:424:10:439:3410:38
10:26
-3:47

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

8:27 /mi

Average Pace

9:34 /mi

Slowest Pace

14:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:04

65% of race

Time at Steady Pace

44:15

18% of race

Time at Slower Pace

43:24

17% of race

Average Pace: 9:34 /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 mi11:21:2226:238:3026:23
8:30
#17499
10K
6.21 mi11:47:3752:388:2826:15
8:27
#17720
15K
9.32 mi12:14:301:19:318:3226:53
8:39
#18059
20K
12.43 mi12:41:281:46:298:3426:58
8:41
#18021
Half
13.11 mi12:47:141:52:158:345:46
8:27
#17978
25K
15.53 mi13:08:352:13:368:3621:21
8:48
#17958
30K
18.64 mi13:38:032:43:048:4529:28
9:29
#18269
20M
20.00 mi13:52:232:57:248:5214:20
10:33
#18733
21M
21.00 mi14:06:313:11:329:0714:08
14:08
#19601
35K
21.75 mi14:14:573:19:589:128:26
11:16
#19879
23M
23.00 mi14:29:203:34:219:1914:23
11:29
#20198
24M
24.00 mi14:40:113:45:129:2310:51
10:51
#20352
40K
24.85 mi14:50:103:55:119:289:59
11:41
#20509
25.2M
25.20 mi14:55:044:00:059:324:54
14:13
#20652
Finish
26.22 mi15:05:424:10:439:3410:38
10:26
#20736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17499112301123018742(Top 70%)11773(Top 78%)11773(Top 1061%)
10K6.21 mi3.10 mi17720-22111341-11111341-11117923(Top 67%)11470(Top 76%)11470(Top 1033%)
15K9.32 mi3.11 mi18059-33911476-13511476-13518742(Top 70%)11773(Top 78%)11773(Top 1061%)
20K12.43 mi3.11 mi18021+3811472+411472+417994(Top 68%)11473(Top 76%)11473(Top 1034%)
Half13.11 mi0.68 mi17978+4311456+1611456+1617457(Top 66%)11291(Top 74%)11291(Top 1017%)
25K15.53 mi2.42 mi17958+2011423+3311423+3317987(Top 68%)11423(Top 75%)11423(Top 1029%)
30K18.64 mi3.11 mi18269-31111525-10211525-10219372(Top 73%)11955(Top 79%)11955(Top 1077%)
20M20.00 mi1.36 mi18733-46411712-18711712-18721835(Top 82%)12923(Top 85%)12923(Top 1164%)
21M21.00 mi1.00 mi19601-86812064-35212064-35225139(Top 94%)14432(Top 95%)14432(Top 1300%)
35K21.75 mi0.75 mi19879-27812174-11012174-11023748(Top 89%)13708(Top 90%)13708(Top 1235%)
23M23.00 mi1.25 mi20198-31912299-12512299-12523222(Top 87%)13492(Top 89%)13492(Top 1215%)
24M24.00 mi1.00 mi20352-15412356-5712356-5722748(Top 85%)13225(Top 87%)13225(Top 1191%)
40K24.85 mi0.85 mi20509-15712410-5412410-5423468(Top 88%)13525(Top 89%)13525(Top 1218%)
25.2M25.20 mi0.35 mi20652-14312467-5712467-5725136(Top 94%)14344(Top 95%)14344(Top 1292%)
Finish26.22 mi1.02 mi20736-8412494-2712494-2722865(Top 86%)13259(Top 87%)13259(Top 1195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18742

Males

11773

M60-64

11773

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17923

Males

11470

M60-64

11470

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18742

Males

11773

M60-64

11773

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

17994

Males

11473

M60-64

11473

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17457

Males

11291

M60-64

11291

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17987

Males

11423

M60-64

11423

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19372

Males

11955

M60-64

11955

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21835

Males

12923

M60-64

12923

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

25139

Males

14432

M60-64

14432

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23748

Males

13708

M60-64

13708

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23222

Males

13492

M60-64

13492

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22748

Males

13225

M60-64

13225

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23468

Males

13525

M60-64

13525

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25136

Males

14344

M60-64

14344

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22865

Males

13259

M60-64

13259

Passing Analysis

Category:
Athletes Passed
878
Passed By
4115
Net Change
-3237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17499
5K → 10K211432-221#17499#17720
10K → 15K87426-339#17720#18059
15K → 20K194156+38#18059#18021
20K → Half5815+43#18021#17978
Half → 25K141121+20#17978#17958
25K → 30K93404-311#17958#18269
30K → 20M16480-464#18269#18733
20M → 21M3871-868#18733#19601
21M → 35K8286-278#19601#19879
35K → 23M22341-319#19879#20198
23M → 24M12166-154#20198#20352
24M → 40K14171-157#20352#20509
40K → 25.2M2145-143#20509#20652
25.2M → Finish17101-84#20652#20736
TOTALS8784115-3237
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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