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BOSTON MARATHON 2023

Mark Anderson

Bib: 8010•M

OR

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0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5038
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:28
Rank: #5244 (-206)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:26
Rank: #5041 (+203)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:24:32
Rank: #4863 (+178)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:29:08
Rank: #4850 (+13)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:35
Rank: #4662 (+188)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:06:55
Rank: #4377 (+285)
25K → 30K
21:20 | 6:52/mi
20M
2:16:12
Rank: #4241 (+136)
30K → 20M
9:17 | 6:50/mi
21M
2:23:22
Rank: #4117 (+124)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:28:22
Rank: #4061 (+56)
21M → 35K
5:00 | 6:41/mi
23M
2:37:00
Rank: #3979 (+82)
35K → 23M
8:38 | 6:54/mi
24M
2:43:35
Rank: #3870 (+109)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:49:14
Rank: #3732 (+138)
24M → 40K
5:39 | 6:36/mi
25.2M
2:51:41
Rank: #3680 (+52)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:58:10
Rank: #3549 (+131)
25.2M → Finish
6:29 | 6:22/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:02
Pace6:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2821:156:5021:15
6:50
-
10K
6.21 mi11:07:4142:286:5021:13
6:50
0:00
15K
9.32 mi11:28:391:03:266:4820:58
6:45
-0:05
20K
12.43 mi11:49:451:24:326:4821:06
6:47
+0:02
Half
13.11 mi11:54:211:29:086:484:36
6:45
-0:02
25K
15.53 mi12:10:481:45:356:4816:27
6:47
+0:02
30K
18.64 mi12:32:082:06:556:4921:20
6:52
+0:05
20M
20.00 mi12:41:252:16:126:499:17
6:50
-0:02
21M
21.00 mi12:48:352:23:226:507:10
7:10
+0:20
35K
21.75 mi12:53:352:28:226:495:00
6:41
-0:29
23M
23.00 mi13:02:132:37:006:508:38
6:54
+0:13
24M
24.00 mi13:08:482:43:356:496:35
6:35
-0:19
40K
24.85 mi13:14:272:49:146:495:39
6:36
+0:01
25.2M
25.20 mi13:16:542:51:416:492:27
7:06
+0:30
Finish
26.22 mi13:23:232:58:106:486:29
6:22
-0:44

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

6:22 /mi

Average Pace

6:48 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:48:33

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:2821:156:5021:15
6:50
#5038
10K
6.21 mi11:07:4142:286:5021:13
6:50
#5244
15K
9.32 mi11:28:391:03:266:4820:58
6:45
#5041
20K
12.43 mi11:49:451:24:326:4821:06
6:47
#4863
Half
13.11 mi11:54:211:29:086:484:36
6:45
#4850
25K
15.53 mi12:10:481:45:356:4816:27
6:47
#4662
30K
18.64 mi12:32:082:06:556:4921:20
6:52
#4377
20M
20.00 mi12:41:252:16:126:499:17
6:50
#4241
21M
21.00 mi12:48:352:23:226:507:10
7:10
#4117
35K
21.75 mi12:53:352:28:226:495:00
6:41
#4061
23M
23.00 mi13:02:132:37:006:508:38
6:54
#3979
24M
24.00 mi13:08:482:43:356:496:35
6:35
#3870
40K
24.85 mi13:14:272:49:146:495:39
6:36
#3732
25.2M
25.20 mi13:16:542:51:416:492:27
7:06
#3680
Finish
26.22 mi13:23:232:58:106:486:29
6:22
#3549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5038467346734571(Top 17%)4267(Top 28%)4267(Top 81%)
10K6.21 mi3.10 mi5244-2064850-1774850-1775549(Top 21%)5099(Top 34%)5099(Top 96%)
15K9.32 mi3.11 mi5041+2034678+1724678+1724571(Top 17%)4267(Top 28%)4267(Top 81%)
20K12.43 mi3.11 mi4863+1784528+1504528+1504356(Top 16%)4066(Top 27%)4066(Top 77%)
Half13.11 mi0.68 mi4850+134516+124516+124661(Top 18%)4323(Top 28%)4323(Top 82%)
25K15.53 mi2.42 mi4662+1884342+1744342+1743991(Top 15%)3742(Top 25%)3742(Top 71%)
30K18.64 mi3.11 mi4377+2854092+2504092+2503436(Top 13%)3232(Top 21%)3232(Top 61%)
20M20.00 mi1.36 mi4241+1363977+1153977+1153032(Top 11%)2852(Top 19%)2852(Top 54%)
21M21.00 mi1.00 mi4117+1243861+1163861+1162928(Top 11%)2745(Top 18%)2745(Top 52%)
35K21.75 mi0.75 mi4061+563811+503811+503456(Top 13%)3208(Top 21%)3208(Top 61%)
23M23.00 mi1.25 mi3979+823733+783733+783197(Top 12%)2974(Top 20%)2974(Top 56%)
24M24.00 mi1.00 mi3870+1093633+1003633+1002494(Top 9%)2330(Top 15%)2330(Top 44%)
40K24.85 mi0.85 mi3732+1383508+1253508+1251962(Top 7%)1844(Top 12%)1844(Top 35%)
25.2M25.20 mi0.35 mi3680+523462+463462+462156(Top 8%)2012(Top 13%)2012(Top 38%)
Finish26.22 mi1.02 mi3549+1313342+1203342+1201882(Top 7%)1760(Top 12%)1760(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4571

Males

4267

M18-39

4267

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5549

Males

5099

M18-39

5099

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4571

Males

4267

M18-39

4267

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4356

Males

4066

M18-39

4066

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4661

Males

4323

M18-39

4323

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3991

Males

3742

M18-39

3742

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3436

Males

3232

M18-39

3232

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3032

Males

2852

M18-39

2852

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2928

Males

2745

M18-39

2745

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3456

Males

3208

M18-39

3208

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3197

Males

2974

M18-39

2974

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2494

Males

2330

M18-39

2330

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1962

Males

1844

M18-39

1844

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2156

Males

2012

M18-39

2012

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1882

Males

1760

M18-39

1760

Passing Analysis

Category:
Athletes Passed
2008
Passed By
519
Net Change
+1489
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5038
5K → 10K118324-206#5038#5244
10K → 15K23734+203#5244#5041
15K → 20K21234+178#5041#4863
20K → Half3219+13#4863#4850
Half → 25K20820+188#4850#4662
25K → 30K29712+285#4662#4377
30K → 20M14812+136#4377#4241
20M → 21M13612+124#4241#4117
21M → 35K637+56#4117#4061
35K → 23M10321+82#4061#3979
23M → 24M11910+109#3979#3870
24M → 40K1402+138#3870#3732
40K → 25.2M564+52#3732#3680
25.2M → Finish1398+131#3680#3549
TOTALS2008519+1489
📊

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