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BOSTON MARATHON 2023

Daniel Sullivan

Bib: 4236•M

MS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #2040
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
39:57
Rank: #2130 (-90)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
59:56
Rank: #2149 (-19)
10K → 15K
19:59 | 6:26/mi
20K· 12.43 mi
1:19:54
Rank: #2079 (+70)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:24:23
Rank: #2135 (-56)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:39:58
Rank: #2071 (+64)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:00:23
Rank: #2009 (+62)
25K → 30K
20:25 | 6:34/mi
20M
2:09:29
Rank: #2013 (-4)
30K → 20M
9:06 | 6:42/mi
21M
2:16:32
Rank: #2020 (-7)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:21:19
Rank: #2008 (+12)
21M → 35K
4:47 | 6:24/mi
23M
2:29:37
Rank: #1961 (+47)
35K → 23M
8:18 | 6:38/mi
24M
2:36:13
Rank: #1971 (-10)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:42:00
Rank: #1973 (-2)
24M → 40K
5:47 | 6:46/mi
25.2M
2:44:35
Rank: #1988 (-15)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:51:40
Rank: #2052 (-64)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:23
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:17
Pace6:39 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4620:036:2720:03
6:27
-
10K
6.21 mi10:40:4039:576:2619:54
6:24
-0:03
15K
9.32 mi11:00:3959:566:2619:59
6:26
+0:02
20K
12.43 mi11:20:371:19:546:2619:58
6:26
0:00
Half
13.11 mi11:25:061:24:236:264:29
6:34
+0:08
25K
15.53 mi11:40:411:39:586:2615:35
6:26
-0:08
30K
18.64 mi12:01:062:00:236:2720:25
6:34
+0:08
20M
20.00 mi12:10:122:09:296:289:06
6:42
+0:08
21M
21.00 mi12:17:152:16:326:307:03
7:03
+0:21
35K
21.75 mi12:22:022:21:196:304:47
6:24
-0:39
23M
23.00 mi12:30:202:29:376:308:18
6:38
+0:14
24M
24.00 mi12:36:562:36:136:316:36
6:36
-0:02
40K
24.85 mi12:42:432:42:006:315:47
6:46
+0:10
25.2M
25.20 mi12:45:182:44:356:322:35
7:29
+0:43
Finish
26.22 mi12:52:232:51:406:337:05
6:57
-0:32

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

6:24 /mi

Average Pace

6:33 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:02

94% of race

Time at Steady Pace

9:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:20:4620:036:2720:03
6:27
#2040
10K
6.21 mi10:40:4039:576:2619:54
6:24
#2130
15K
9.32 mi11:00:3959:566:2619:59
6:26
#2149
20K
12.43 mi11:20:371:19:546:2619:58
6:26
#2079
Half
13.11 mi11:25:061:24:236:264:29
6:34
#2135
25K
15.53 mi11:40:411:39:586:2615:35
6:26
#2071
30K
18.64 mi12:01:062:00:236:2720:25
6:34
#2009
20M
20.00 mi12:10:122:09:296:289:06
6:42
#2013
21M
21.00 mi12:17:152:16:326:307:03
7:03
#2020
35K
21.75 mi12:22:022:21:196:304:47
6:24
#2008
23M
23.00 mi12:30:202:29:376:308:18
6:38
#1961
24M
24.00 mi12:36:562:36:136:316:36
6:36
#1971
40K
24.85 mi12:42:432:42:006:315:47
6:46
#1973
25.2M
25.20 mi12:45:182:44:356:322:35
7:29
#1988
Finish
26.22 mi12:52:232:51:406:337:05
6:57
#2052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2040194619462267(Top 9%)2176(Top 14%)2176(Top 41%)
10K6.21 mi3.10 mi2130-902039-932039-932263(Top 9%)2166(Top 14%)2166(Top 41%)
15K9.32 mi3.11 mi2149-192061-222061-222267(Top 9%)2176(Top 14%)2176(Top 41%)
20K12.43 mi3.11 mi2079+701991+701991+701915(Top 7%)1838(Top 12%)1838(Top 35%)
Half13.11 mi0.68 mi2135-562045-542045-543163(Top 12%)3013(Top 20%)3013(Top 57%)
25K15.53 mi2.42 mi2071+641986+591986+591846(Top 7%)1769(Top 12%)1769(Top 33%)
30K18.64 mi3.11 mi2009+621926+601926+601846(Top 7%)1769(Top 12%)1769(Top 33%)
20M20.00 mi1.36 mi2013-41929-31929-32244(Top 8%)2133(Top 14%)2133(Top 40%)
21M21.00 mi1.00 mi2020-71935-61935-62362(Top 9%)2231(Top 15%)2231(Top 42%)
35K21.75 mi0.75 mi2008+121924+111924+111953(Top 7%)1857(Top 12%)1857(Top 35%)
23M23.00 mi1.25 mi1961+471880+441880+441888(Top 7%)1790(Top 12%)1790(Top 34%)
24M24.00 mi1.00 mi1971-101888-81888-82535(Top 10%)2363(Top 16%)2363(Top 45%)
40K24.85 mi0.85 mi1973-21889-11889-12619(Top 10%)2418(Top 16%)2418(Top 46%)
25.2M25.20 mi0.35 mi1988-151904-151904-153756(Top 14%)3346(Top 22%)3346(Top 63%)
Finish26.22 mi1.02 mi2052-641967-631967-634885(Top 18%)4182(Top 28%)4182(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2267

Males

2176

M18-39

2176

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2263

Males

2166

M18-39

2166

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2267

Males

2176

M18-39

2176

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1915

Males

1838

M18-39

1838

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3163

Males

3013

M18-39

3013

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1846

Males

1769

M18-39

1769

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1846

Males

1769

M18-39

1769

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2244

Males

2133

M18-39

2133

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2362

Males

2231

M18-39

2231

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1953

Males

1857

M18-39

1857

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1888

Males

1790

M18-39

1790

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2535

Males

2363

M18-39

2363

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2619

Males

2418

M18-39

2418

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3756

Males

3346

M18-39

3346

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4885

Males

4182

M18-39

4182

Passing Analysis

Category:
Athletes Passed
628
Passed By
640
Net Change
-12
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2040
5K → 10K76166-90#2040#2130
10K → 15K5877-19#2130#2149
15K → 20K9525+70#2149#2079
20K → Half157-56#2079#2135
Half → 25K7612+64#2135#2071
25K → 30K9432+62#2071#2009
30K → 20M4347-4#2009#2013
20M → 21M2734-7#2013#2020
21M → 35K2412+12#2020#2008
35K → 23M6215+47#2008#1961
23M → 24M2030-10#1961#1971
24M → 40K2729-2#1971#1973
40K → 25.2M823-15#1973#1988
25.2M → Finish1781-64#1988#2052
TOTALS628640-12
📊

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