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BOSTON MARATHON 2023

John Sullivan

Bib: 3604•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #2646
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:45
Rank: #2851 (-205)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:16
Rank: #2993 (-142)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:21:48
Rank: #2947 (+46)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:17
Rank: #2960 (-13)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:01
Rank: #3218 (-258)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:04:26
Rank: #3241 (-23)
25K → 30K
21:25 | 6:54/mi
20M
2:13:27
Rank: #3087 (+154)
30K → 20M
9:01 | 6:38/mi
21M
2:20:22
Rank: #2982 (+105)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:24:54
Rank: #2838 (+144)
21M → 35K
4:32 | 6:04/mi
23M
2:33:06
Rank: #2701 (+137)
35K → 23M
8:12 | 6:33/mi
24M
2:39:27
Rank: #2589 (+112)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:45:06
Rank: #2552 (+37)
24M → 40K
5:39 | 6:36/mi
25.2M
2:47:37
Rank: #2552
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:54:17
Rank: #2535 (+17)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5120:246:3420:24
6:34
-
10K
6.21 mi10:42:1240:456:3320:21
6:33
-0:01
15K
9.32 mi11:02:431:01:166:3420:31
6:36
+0:03
20K
12.43 mi11:23:151:21:486:3520:32
6:37
+0:01
Half
13.11 mi11:27:441:26:176:354:29
6:34
-0:03
25K
15.53 mi11:44:281:43:016:3816:44
6:54
+0:20
30K
18.64 mi12:05:532:04:266:4121:25
6:54
0:00
20M
20.00 mi12:14:542:13:276:409:01
6:38
-0:16
21M
21.00 mi12:21:492:20:226:416:55
6:55
+0:17
35K
21.75 mi12:26:212:24:546:404:32
6:04
-0:51
23M
23.00 mi12:34:332:33:066:398:12
6:33
+0:29
24M
24.00 mi12:40:542:39:276:396:21
6:21
-0:12
40K
24.85 mi12:46:332:45:066:395:39
6:36
+0:15
25.2M
25.20 mi12:49:042:47:376:392:31
7:18
+0:42
Finish
26.22 mi12:55:442:54:176:396:40
6:33
-0:45

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

6:04 /mi

Average Pace

6:39 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:53

6% of race

Time at Steady Pace

1:55:49

66% of race

Time at Slower Pace

47:35

27% of race

Average Pace: 6:39 /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 mi10:21:5120:246:3420:24
6:34
#2646
10K
6.21 mi10:42:1240:456:3320:21
6:33
#2851
15K
9.32 mi11:02:431:01:166:3420:31
6:36
#2993
20K
12.43 mi11:23:151:21:486:3520:32
6:37
#2947
Half
13.11 mi11:27:441:26:176:354:29
6:34
#2960
25K
15.53 mi11:44:281:43:016:3816:44
6:54
#3218
30K
18.64 mi12:05:532:04:266:4121:25
6:54
#3241
20M
20.00 mi12:14:542:13:276:409:01
6:38
#3087
21M
21.00 mi12:21:492:20:226:416:55
6:55
#2982
35K
21.75 mi12:26:212:24:546:404:32
6:04
#2838
23M
23.00 mi12:34:332:33:066:398:12
6:33
#2701
24M
24.00 mi12:40:542:39:276:396:21
6:21
#2589
40K
24.85 mi12:46:332:45:066:395:39
6:36
#2552
25.2M
25.20 mi12:49:042:47:376:392:31
7:18
#2552
Finish
26.22 mi12:55:442:54:176:396:40
6:33
#2535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2646252025203309(Top 12%)3139(Top 21%)3139(Top 59%)
10K6.21 mi3.10 mi2851-2052717-1972717-1973115(Top 12%)2971(Top 20%)2971(Top 56%)
15K9.32 mi3.11 mi2993-1422853-1362853-1363309(Top 12%)3139(Top 21%)3139(Top 59%)
20K12.43 mi3.11 mi2947+462814+392814+392909(Top 11%)2775(Top 18%)2775(Top 53%)
Half13.11 mi0.68 mi2960-132827-132827-133186(Top 12%)3036(Top 20%)3036(Top 57%)
25K15.53 mi2.42 mi3218-2583066-2393066-2394948(Top 19%)4577(Top 30%)4577(Top 87%)
30K18.64 mi3.11 mi3241-233084-183084-183592(Top 13%)3372(Top 22%)3372(Top 64%)
20M20.00 mi1.36 mi3087+1542939+1452939+1452023(Top 8%)1928(Top 13%)1928(Top 36%)
21M21.00 mi1.00 mi2982+1052842+972842+971832(Top 7%)1744(Top 11%)1744(Top 33%)
35K21.75 mi0.75 mi2838+1442712+1302712+130846(Top 3%)803(Top 5%)803(Top 15%)
23M23.00 mi1.25 mi2701+1372581+1312581+1311622(Top 6%)1542(Top 10%)1542(Top 29%)
24M24.00 mi1.00 mi2589+1122474+1072474+1071524(Top 6%)1443(Top 10%)1443(Top 27%)
40K24.85 mi0.85 mi2552+372436+382436+381952(Top 7%)1834(Top 12%)1834(Top 35%)
25.2M25.20 mi0.35 mi2552243624362889(Top 11%)2644(Top 17%)2644(Top 50%)
Finish26.22 mi1.02 mi2535+172418+182418+182678(Top 10%)2450(Top 16%)2450(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3309

Males

3139

M18-39

3139

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3115

Males

2971

M18-39

2971

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3309

Males

3139

M18-39

3139

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2909

Males

2775

M18-39

2775

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3186

Males

3036

M18-39

3036

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4948

Males

4577

M18-39

4577

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3592

Males

3372

M18-39

3372

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2023

Males

1928

M18-39

1928

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1832

Males

1744

M18-39

1744

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

846

Males

803

M18-39

803

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1622

Males

1542

M18-39

1542

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1524

Males

1443

M18-39

1443

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1952

Males

1834

M18-39

1834

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2889

Males

2644

M18-39

2644

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2678

Males

2450

M18-39

2450

Passing Analysis

Category:
Athletes Passed
1128
Passed By
1017
Net Change
+111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2646
5K → 10K73278-205#2646#2851
10K → 15K52194-142#2851#2993
15K → 20K10357+46#2993#2947
20K → Half1124-13#2947#2960
Half → 25K14272-258#2960#3218
25K → 30K91114-23#3218#3241
30K → 20M1584+154#3241#3087
20M → 21M1127+105#3087#2982
21M → 35K1440+144#2982#2838
35K → 23M1414+137#2838#2701
23M → 24M1164+112#2701#2589
24M → 40K5215+37#2589#2552
40K → 25.2M18180#2552#2552
25.2M → Finish4326+17#2552#2535
TOTALS11281017+111
📊

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