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BOSTON MARATHON 2023

Anthony Kimball

Bib: 10454•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 (M50-54)
#0 / 2052
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
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
52:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:19:36
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:46:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:52:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:13:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:42:53
↑ 181↓ 1480.2%
20M
9:35/mi
2:55:55
↑ 64↓ 500.2%
21M
10:26/mi
3:06:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:13:14
↑ 17↓ 861.7%
23M
9:00/mi
3:24:30
↑ 23↓ 630.6%
24M
8:11/mi
3:32:41
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:39:47
↓ 200.3%
25.2M
9:02/mi
3:42:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:51:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:58:47
Pace9:04 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5526:118:2626:11
8:26
-
10K
6.21 mi11:43:4552:018:2225:50
8:19
-0:07
15K
9.32 mi12:11:201:19:368:3227:35
8:53
+0:34
20K
12.43 mi12:38:091:46:258:3426:49
8:38
-0:15
Half
13.11 mi12:44:001:52:168:345:51
8:34
-0:04
25K
15.53 mi13:05:212:13:378:3621:21
8:48
+0:14
30K
18.64 mi13:34:372:42:538:4429:16
9:25
+0:37
20M
20.00 mi13:47:392:55:558:4813:02
9:35
+0:10
21M
21.00 mi13:58:053:06:218:5210:26
10:26
+0:51
35K
21.75 mi14:04:583:13:148:536:53
9:12
-1:14
23M
23.00 mi14:16:143:24:308:5311:16
9:00
-0:12
24M
24.00 mi14:24:253:32:418:528:11
8:11
-0:49
40K
24.85 mi14:31:313:39:478:517:06
8:18
+0:07
25.2M
25.20 mi14:34:383:42:548:513:07
9:02
+0:44
Finish
26.22 mi14:42:473:51:038:498:09
8:00
-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

8:00 /mi

Average Pace

8:49 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:27

33% of race

Time at Steady Pace

1:35:59

42% of race

Time at Slower Pace

59:37

26% of race

Average Pace: 8:49 /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 mi11:17:5526:118:2626:11
8:26
#17062
10K
6.21 mi11:43:4552:018:2225:50
8:19
#16995
15K
9.32 mi12:11:201:19:368:3227:35
8:53
#18107
20K
12.43 mi12:38:091:46:258:3426:49
8:38
#17976
Half
13.11 mi12:44:001:52:168:345:51
8:34
#17982
25K
15.53 mi13:05:212:13:378:3621:21
8:48
#17962
30K
18.64 mi13:34:372:42:538:4429:16
9:25
#18201
20M
20.00 mi13:47:392:55:558:4813:02
9:35
#18317
21M
21.00 mi13:58:053:06:218:5210:26
10:26
#18387
35K
21.75 mi14:04:583:13:148:536:53
9:12
#18397
23M
23.00 mi14:16:143:24:308:5311:16
9:00
#18270
24M
24.00 mi14:24:253:32:418:528:11
8:11
#18043
40K
24.85 mi14:31:313:39:478:517:06
8:18
#17857
25.2M
25.20 mi14:34:383:42:548:513:07
9:02
#17782
Finish
26.22 mi14:42:473:51:038:498:09
8:00
#17573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17062110721107219928(Top 75%)12263(Top 81%)12263(Top 598%)
10K6.21 mi3.10 mi16995+6711065+711065+717027(Top 64%)11120(Top 73%)11120(Top 542%)
15K9.32 mi3.11 mi18107-111211500-43511500-43519928(Top 75%)12263(Top 81%)12263(Top 598%)
20K12.43 mi3.11 mi17976+13111450+5011450+5017678(Top 66%)11325(Top 75%)11325(Top 552%)
Half13.11 mi0.68 mi17982-611459-911459-918127(Top 68%)11533(Top 76%)11533(Top 562%)
25K15.53 mi2.42 mi17962+2011425+3411425+3417974(Top 68%)11410(Top 75%)11410(Top 556%)
30K18.64 mi3.11 mi18201-23911490-6511490-6519118(Top 72%)11836(Top 78%)11836(Top 577%)
20M20.00 mi1.36 mi18317-11611523-3311523-3319171(Top 72%)11762(Top 78%)11762(Top 573%)
21M21.00 mi1.00 mi18387-7011546-2311546-2319357(Top 73%)11782(Top 78%)11782(Top 574%)
35K21.75 mi0.75 mi18397-1011541+511541+518713(Top 70%)11464(Top 76%)11464(Top 559%)
23M23.00 mi1.25 mi18270+12711478+6311478+6316062(Top 60%)10267(Top 68%)10267(Top 500%)
24M24.00 mi1.00 mi18043+22711368+11011368+11012483(Top 47%)8629(Top 57%)8629(Top 421%)
40K24.85 mi0.85 mi17857+18611293+7511293+7512063(Top 45%)8360(Top 55%)8360(Top 407%)
25.2M25.20 mi0.35 mi17782+7511253+4011253+4012730(Top 48%)8643(Top 57%)8643(Top 421%)
Finish26.22 mi1.02 mi17573+20911152+10111152+10112119(Top 46%)8354(Top 55%)8354(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19928

Males

12263

M50-54

12263

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17027

Males

11120

M50-54

11120

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19928

Males

12263

M50-54

12263

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17678

Males

11325

M50-54

11325

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18127

Males

11533

M50-54

11533

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

17974

Males

11410

M50-54

11410

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19118

Males

11836

M50-54

11836

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19171

Males

11762

M50-54

11762

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19357

Males

11782

M50-54

11782

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18713

Males

11464

M50-54

11464

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16062

Males

10267

M50-54

10267

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12483

Males

8629

M50-54

8629

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12063

Males

8360

M50-54

8360

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12730

Males

8643

M50-54

8643

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12119

Males

8354

M50-54

8354

Passing Analysis

Category:
Athletes Passed
1905
Passed By
2416
Net Change
-511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17062
5K → 10K349282+67#17062#16995
10K → 15K281140-1112#16995#18107
15K → 20K235104+131#18107#17976
20K → Half3036-6#17976#17982
Half → 25K140120+20#17982#17962
25K → 30K112351-239#17962#18201
30K → 20M52168-116#18201#18317
20M → 21M57127-70#18317#18387
21M → 35K4555-10#18387#18397
35K → 23M15225+127#18397#18270
23M → 24M2270+227#18270#18043
24M → 40K1871+186#18043#17857
40K → 25.2M783+75#17857#17782
25.2M → Finish2134+209#17782#17573
TOTALS19052416-511
📊

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