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BOSTON MARATHON 2023

Daniel Stavins

Bib: 30821•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

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
12:46/mi
39:40
↑ 97↓ 3451.5%
10K· 6.21 mi
13:10/mi
1:20:35
↑ 79↓ 1380.4%
15K· 9.32 mi
12:49/mi
2:00:23
↑ 67↓ 78
20K· 12.43 mi
12:27/mi
2:39:05
↑ 106↓ 860.1%
Half· 13.11 mi
12:51/mi
2:47:51
↑ 19↓ 370.5%
25K· 15.53 mi
12:34/mi
3:18:18
↑ 66↓ 880.2%
30K· 18.64 mi
13:00/mi
3:58:40
↑ 181↓ 1480.2%
20M
12:30/mi
4:15:39
↑ 64↓ 500.2%
21M
14:25/mi
4:30:04
↑ 106↓ 241.6%
35K· 21.75 mi
12:14/mi
4:39:13
↑ 17↓ 861.7%
23M
12:44/mi
4:55:09
↑ 23↓ 630.6%
24M
12:07/mi
5:07:16
↓ 821.3%
40K· 24.85 mi
13:24/mi
5:18:43
↓ 200.3%
25.2M
13:00/mi
5:23:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:51/mi
5:34:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:47:51
Pace12:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:46:24
Pace12:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:0139:4012:4639:40
12:46
-
10K
6.21 mi12:42:561:20:3512:5840:55
13:10
+0:24
15K
9.32 mi13:22:442:00:2312:5539:48
12:49
-0:21
20K
12.43 mi14:01:262:39:0512:4838:42
12:27
-0:22
Half
13.11 mi14:10:122:47:5112:488:46
12:51
+0:24
25K
15.53 mi14:40:393:18:1812:4630:27
12:34
-0:17
30K
18.64 mi15:21:013:58:4012:4840:22
13:00
+0:26
20M
20.00 mi15:38:004:15:3912:4716:59
12:30
-0:30
21M
21.00 mi15:52:254:30:0412:5214:25
14:25
+1:55
35K
21.75 mi16:01:344:39:1312:509:09
12:14
-2:11
23M
23.00 mi16:17:304:55:0912:5015:56
12:44
+0:30
24M
24.00 mi16:29:375:07:1612:4812:07
12:07
-0:37
40K
24.85 mi16:41:045:18:4312:4911:27
13:24
+1:17
25.2M
25.20 mi16:45:335:23:1212:504:29
13:00
-0:24
Finish
26.22 mi16:56:365:34:1512:4511:03
10:51
-2:09

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

10:51 /mi

Average Pace

12:45 /mi

Slowest Pace

14:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:19

10% of race

Time at Steady Pace

3:55:09

70% of race

Time at Slower Pace

1:06:47

20% of race

Average Pace: 12:45 /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 mi12:02:0139:4012:4639:40
12:46
#26567
10K
6.21 mi12:42:561:20:3512:5840:55
13:10
#26579
15K
9.32 mi13:22:442:00:2312:5539:48
12:49
#26562
20K
12.43 mi14:01:262:39:0512:4838:42
12:27
#26503
Half
13.11 mi14:10:122:47:5112:488:46
12:51
#26500
25K
15.53 mi14:40:393:18:1812:4630:27
12:34
#26428
30K
18.64 mi15:21:013:58:4012:4840:22
13:00
#26306
20M
20.00 mi15:38:004:15:3912:4716:59
12:30
#26214
21M
21.00 mi15:52:254:30:0412:5214:25
14:25
#26188
35K
21.75 mi16:01:344:39:1312:509:09
12:14
#26163
23M
23.00 mi16:17:304:55:0912:5015:56
12:44
#26121
24M
24.00 mi16:29:375:07:1612:4812:07
12:07
#26089
40K
24.85 mi16:41:045:18:4312:4911:27
13:24
#26062
25.2M
25.20 mi16:45:335:23:1212:504:29
13:00
#26045
Finish
26.22 mi16:56:365:34:1512:4511:03
10:51
#26003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26567151471514726435(Top 99%)15092(Top 99%)15092(Top 286%)
10K6.21 mi3.10 mi26579-1215149-215149-226577(Top 100%)15152(Top 100%)15152(Top 287%)
15K9.32 mi3.11 mi26562+1715139+1015139+1026435(Top 99%)15092(Top 99%)15092(Top 286%)
20K12.43 mi3.11 mi26503+5915116+2315116+2325940(Top 97%)14897(Top 98%)14897(Top 282%)
Half13.11 mi0.68 mi26500+315113+315113+326301(Top 99%)15036(Top 99%)15036(Top 285%)
25K15.53 mi2.42 mi26428+7215097+1615097+1625592(Top 96%)14728(Top 97%)14728(Top 279%)
30K18.64 mi3.11 mi26306+12215055+4215055+4225405(Top 95%)14589(Top 96%)14589(Top 276%)
20M20.00 mi1.36 mi26214+9215009+4615009+4624740(Top 93%)14253(Top 94%)14253(Top 270%)
21M21.00 mi1.00 mi26188+2614994+1514994+1525365(Top 95%)14552(Top 96%)14552(Top 275%)
35K21.75 mi0.75 mi26163+2514978+1614978+1624918(Top 94%)14284(Top 94%)14284(Top 270%)
23M23.00 mi1.25 mi26121+4214961+1714961+1724826(Top 93%)14259(Top 94%)14259(Top 270%)
24M24.00 mi1.00 mi26089+3214944+1714944+1724664(Top 93%)14125(Top 93%)14125(Top 267%)
40K24.85 mi0.85 mi26062+2714933+1114933+1125278(Top 95%)14446(Top 95%)14446(Top 273%)
25.2M25.20 mi0.35 mi26045+1714924+914924+923969(Top 90%)13786(Top 91%)13786(Top 261%)
Finish26.22 mi1.02 mi26003+4214906+1814906+1823690(Top 89%)13668(Top 90%)13668(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26435

Males

15092

M18-39

15092

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26577

Males

15152

M18-39

15152

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26435

Males

15092

M18-39

15092

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25940

Males

14897

M18-39

14897

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26301

Males

15036

M18-39

15036

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25592

Males

14728

M18-39

14728

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25405

Males

14589

M18-39

14589

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24740

Males

14253

M18-39

14253

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25365

Males

14552

M18-39

14552

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24918

Males

14284

M18-39

14284

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24826

Males

14259

M18-39

14259

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24664

Males

14125

M18-39

14125

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25278

Males

14446

M18-39

14446

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23969

Males

13786

M18-39

13786

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23690

Males

13668

M18-39

13668

Passing Analysis

Category:
Athletes Passed
609
Passed By
45
Net Change
+564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26567
5K → 10K1022-12#26567#26579
10K → 15K192+17#26579#26562
15K → 20K590+59#26562#26503
20K → Half52+3#26503#26500
Half → 25K720+72#26500#26428
25K → 30K1242+122#26428#26306
30K → 20M920+92#26306#26214
20M → 21M304+26#26214#26188
21M → 35K272+25#26188#26163
35K → 23M453+42#26163#26121
23M → 24M342+32#26121#26089
24M → 40K314+27#26089#26062
40K → 25.2M170+17#26062#26045
25.2M → Finish442+42#26045#26003
TOTALS60945+564
📊

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