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BOSTON MARATHON 2023

David Antos

Bib: 24916•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:58
Rank: #21593
Start → 5K
28:58 | 9:19/mi
10K· 6.21 mi
56:44
Rank: #21170 (+423)
5K → 10K
27:46 | 8:56/mi
15K· 9.32 mi
1:25:02
Rank: #21120 (+50)
10K → 15K
28:18 | 9:07/mi
20K· 12.43 mi
1:53:19
Rank: #20854 (+266)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
1:59:27
Rank: #20831 (+23)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:23:31
Rank: #21088 (-257)
Half → 25K
24:04 | 9:56/mi
30K· 18.64 mi
2:51:54
Rank: #20532 (+556)
25K → 30K
28:23 | 9:08/mi
20M
3:04:37
Rank: #20366 (+166)
30K → 20M
12:43 | 9:21/mi
21M
3:14:20
Rank: #20167 (+199)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:21:08
Rank: #20108 (+59)
21M → 35K
6:48 | 9:05/mi
23M
3:32:30
Rank: #19894 (+214)
35K → 23M
11:22 | 9:05/mi
24M
3:41:19
Rank: #19750 (+144)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:48:44
Rank: #19587 (+163)
24M → 40K
7:25 | 8:40/mi
25.2M
3:53:44
Rank: #19799 (-212)
40K → 25.2M
5:00 | 14:30/mi
Finish· 26.22 mi
4:04:30
Rank: #19975 (-176)
25.2M → Finish
10:46 | 10:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:27
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:05:03
Pace9:32 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3528:589:1928:58
9:19
-
10K
6.21 mi12:12:2156:449:0827:46
8:56
-0:23
15K
9.32 mi12:40:391:25:029:0728:18
9:07
+0:11
20K
12.43 mi13:08:561:53:199:0728:17
9:06
-0:01
Half
13.11 mi13:15:041:59:279:076:08
8:59
-0:07
25K
15.53 mi13:39:082:23:319:1424:04
9:56
+0:57
30K
18.64 mi14:07:312:51:549:1328:23
9:08
-0:48
20M
20.00 mi14:20:143:04:379:1412:43
9:21
+0:13
21M
21.00 mi14:29:573:14:209:159:43
9:43
+0:22
35K
21.75 mi14:36:453:21:089:156:48
9:05
-0:38
23M
23.00 mi14:48:073:32:309:1411:22
9:05
0:00
24M
24.00 mi14:56:563:41:199:138:49
8:49
-0:16
40K
24.85 mi15:04:213:48:449:127:25
8:40
-0:09
25.2M
25.20 mi15:09:213:53:449:175:00
14:30
+5:50
Finish
26.22 mi15:20:074:04:309:2010:46
10:34
-3:56

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

8:40 /mi

Average Pace

9:20 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:24:40

84% of race

Time at Slower Pace

39:50

16% of race

Average Pace: 9:19 /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 mi11:44:3528:589:1928:58
9:19
#21593
10K
6.21 mi12:12:2156:449:0827:46
8:56
#21170
15K
9.32 mi12:40:391:25:029:0728:18
9:07
#21120
20K
12.43 mi13:08:561:53:199:0728:17
9:06
#20854
Half
13.11 mi13:15:041:59:279:076:08
8:59
#20831
25K
15.53 mi13:39:082:23:319:1424:04
9:56
#21088
30K
18.64 mi14:07:312:51:549:1328:23
9:08
#20532
20M
20.00 mi14:20:143:04:379:1412:43
9:21
#20366
21M
21.00 mi14:29:573:14:209:159:43
9:43
#20167
35K
21.75 mi14:36:453:21:089:156:48
9:05
#20108
23M
23.00 mi14:48:073:32:309:1411:22
9:05
#19894
24M
24.00 mi14:56:563:41:199:138:49
8:49
#19750
40K
24.85 mi15:04:213:48:449:127:25
8:40
#19587
25.2M
25.20 mi15:09:213:53:449:175:00
14:30
#19799
Finish
26.22 mi15:20:074:04:309:2010:46
10:34
#19975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21593128831288320966(Top 79%)12729(Top 84%)12729(Top 241%)
10K6.21 mi3.10 mi21170+42312746+13712746+13720624(Top 77%)12554(Top 83%)12554(Top 238%)
15K9.32 mi3.11 mi21120+5012754-812754-820966(Top 79%)12729(Top 84%)12729(Top 241%)
20K12.43 mi3.11 mi20854+26612639+11512639+11520150(Top 76%)12379(Top 82%)12379(Top 234%)
Half13.11 mi0.68 mi20831+2312633+612633+620374(Top 77%)12460(Top 82%)12460(Top 236%)
25K15.53 mi2.42 mi21088-25712751-11812751-11822041(Top 83%)13161(Top 87%)13161(Top 249%)
30K18.64 mi3.11 mi20532+55612487+26412487+26417858(Top 67%)11277(Top 74%)11277(Top 213%)
20M20.00 mi1.36 mi20366+16612397+9012397+9018261(Top 69%)11357(Top 75%)11357(Top 215%)
21M21.00 mi1.00 mi20167+19912299+9812299+9816915(Top 64%)10764(Top 71%)10764(Top 204%)
35K21.75 mi0.75 mi20108+5912268+3112268+3118267(Top 69%)11269(Top 74%)11269(Top 213%)
23M23.00 mi1.25 mi19894+21412173+9512173+9516440(Top 62%)10436(Top 69%)10436(Top 197%)
24M24.00 mi1.00 mi19750+14412105+6812105+6816293(Top 61%)10317(Top 68%)10317(Top 195%)
40K24.85 mi0.85 mi19587+16312031+7412031+7414368(Top 54%)9410(Top 62%)9410(Top 178%)
25.2M25.20 mi0.35 mi19799-21212111-8012111-8025387(Top 95%)14487(Top 95%)14487(Top 274%)
Finish26.22 mi1.02 mi19975-17612173-6212173-6223126(Top 87%)13396(Top 88%)13396(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20966

Males

12729

M18-39

12729

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20624

Males

12554

M18-39

12554

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20966

Males

12729

M18-39

12729

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20150

Males

12379

M18-39

12379

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20374

Males

12460

M18-39

12460

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22041

Males

13161

M18-39

13161

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17858

Males

11277

M18-39

11277

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18261

Males

11357

M18-39

11357

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16915

Males

10764

M18-39

10764

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18267

Males

11269

M18-39

11269

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16440

Males

10436

M18-39

10436

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16293

Males

10317

M18-39

10317

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14368

Males

9410

M18-39

9410

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25387

Males

14487

M18-39

14487

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23126

Males

13396

M18-39

13396

Passing Analysis

Category:
Athletes Passed
2677
Passed By
1059
Net Change
+1618
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21593
5K → 10K555132+423#21593#21170
10K → 15K185135+50#21170#21120
15K → 20K30640+266#21120#20854
20K → Half4320+23#20854#20831
Half → 25K40297-257#20831#21088
25K → 30K5604+556#21088#20532
30K → 20M1759+166#20532#20366
20M → 21M2067+199#20366#20167
21M → 35K667+59#20167#20108
35K → 23M2184+214#20108#19894
23M → 24M1484+144#19894#19750
24M → 40K1652+163#19750#19587
40K → 25.2M0212-212#19587#19799
25.2M → Finish10186-176#19799#19975
TOTALS26771059+1618
📊

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