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BOSTON MARATHON 2023

Joseph Sullivan

Bib: 25303•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
9:30/mi
29:31
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
58:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:25:18
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:52:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:58:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:19:58
↑ 66↓ 880.2%
30K· 18.64 mi
9:23/mi
2:49:08
↑ 181↓ 1480.2%
20M
9:33/mi
3:02:07
↑ 64↓ 500.2%
21M
9:25/mi
3:11:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:18:22
↑ 17↓ 861.7%
23M
10:21/mi
3:31:20
↑ 23↓ 630.6%
24M
9:34/mi
3:40:54
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:49:00
↓ 200.3%
25.2M
10:44/mi
3:52:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:21/mi
4:02:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:40
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:03:34
Pace9:26 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4429:319:3029:31
9:30
-
10K
6.21 mi12:14:3558:229:2428:51
9:17
-0:13
15K
9.32 mi12:41:311:25:189:0926:56
8:40
-0:37
20K
12.43 mi13:08:551:52:429:0427:24
8:49
+0:09
Half
13.11 mi13:14:531:58:409:035:58
8:45
-0:04
25K
15.53 mi13:36:112:19:589:0121:18
8:47
+0:02
30K
18.64 mi14:05:212:49:089:0429:10
9:23
+0:36
20M
20.00 mi14:18:203:02:079:0612:59
9:33
+0:10
21M
21.00 mi14:27:453:11:329:079:25
9:25
-0:08
35K
21.75 mi14:34:353:18:229:076:50
9:08
-0:17
23M
23.00 mi14:47:333:31:209:1112:58
10:21
+1:13
24M
24.00 mi14:57:073:40:549:129:34
9:34
-0:47
40K
24.85 mi15:05:133:49:009:138:06
9:28
-0:06
25.2M
25.20 mi15:08:553:52:429:143:42
10:44
+1:16
Finish
26.22 mi15:18:274:02:149:159:32
9:21
-1:23

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

9:15 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:36

34% of race

Time at Steady Pace

2:23:58

59% of race

Time at Slower Pace

16:40

7% of race

Average Pace: 9:14 /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 mi11:45:4429:319:3029:31
9:30
#22088
10K
6.21 mi12:14:3558:229:2428:51
9:17
#22024
15K
9.32 mi12:41:311:25:189:0926:56
8:40
#21215
20K
12.43 mi13:08:551:52:429:0427:24
8:49
#20649
Half
13.11 mi13:14:531:58:409:035:58
8:45
#20581
25K
15.53 mi13:36:112:19:589:0121:18
8:47
#20158
30K
18.64 mi14:05:212:49:089:0429:10
9:23
#19933
20M
20.00 mi14:18:203:02:079:0612:59
9:33
#19843
21M
21.00 mi14:27:453:11:329:079:25
9:25
#19600
35K
21.75 mi14:34:353:18:229:076:50
9:08
#19566
23M
23.00 mi14:47:333:31:209:1112:58
10:21
#19692
24M
24.00 mi14:57:073:40:549:129:34
9:34
#19678
40K
24.85 mi15:05:133:49:009:138:06
9:28
#19634
25.2M
25.20 mi15:08:553:52:429:143:42
10:44
#19643
Finish
26.22 mi15:18:274:02:149:159:32
9:21
#19642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22088131471314718828(Top 71%)11814(Top 78%)11814(Top 527%)
10K6.21 mi3.10 mi22024+6413136+1113136+1121882(Top 82%)13102(Top 86%)13102(Top 585%)
15K9.32 mi3.11 mi21215+80912797+33912797+33918828(Top 71%)11814(Top 78%)11814(Top 527%)
20K12.43 mi3.11 mi20649+56612549+24812549+24818785(Top 71%)11807(Top 78%)11807(Top 527%)
Half13.11 mi0.68 mi20581+6812523+2612523+2619171(Top 72%)11968(Top 79%)11968(Top 534%)
25K15.53 mi2.42 mi20158+42312343+18012343+18017870(Top 67%)11353(Top 75%)11353(Top 507%)
30K18.64 mi3.11 mi19933+22512219+12412219+12418981(Top 71%)11777(Top 78%)11777(Top 526%)
20M20.00 mi1.36 mi19843+9012175+4412175+4419054(Top 72%)11708(Top 77%)11708(Top 522%)
21M21.00 mi1.00 mi19600+24312063+11212063+11215557(Top 58%)10166(Top 67%)10166(Top 454%)
35K21.75 mi0.75 mi19566+3412047+1612047+1618462(Top 69%)11363(Top 75%)11363(Top 507%)
23M23.00 mi1.25 mi19692-12612092-4512092-4520951(Top 79%)12433(Top 82%)12433(Top 555%)
24M24.00 mi1.00 mi19678+1412076+1612076+1619438(Top 73%)11733(Top 77%)11733(Top 524%)
40K24.85 mi0.85 mi19634+4412045+3112045+3118243(Top 69%)11154(Top 73%)11154(Top 498%)
25.2M25.20 mi0.35 mi19643-9120451204519757(Top 74%)11809(Top 78%)11809(Top 527%)
Finish26.22 mi1.02 mi19642+112040+512040+519586(Top 74%)11792(Top 78%)11792(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18828

Males

11814

M40-44

11814

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21882

Males

13102

M40-44

13102

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18828

Males

11814

M40-44

11814

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18785

Males

11807

M40-44

11807

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19171

Males

11968

M40-44

11968

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17870

Males

11353

M40-44

11353

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18981

Males

11777

M40-44

11777

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19054

Males

11708

M40-44

11708

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15557

Males

10166

M40-44

10166

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18462

Males

11363

M40-44

11363

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20951

Males

12433

M40-44

12433

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19438

Males

11733

M40-44

11733

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18243

Males

11154

M40-44

11154

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19757

Males

11809

M40-44

11809

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19586

Males

11792

M40-44

11792

Passing Analysis

Category:
Athletes Passed
3102
Passed By
656
Net Change
+2446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22088
5K → 10K285221+64#22088#22024
10K → 15K8134+809#22024#21215
15K → 20K5748+566#21215#20649
20K → Half713+68#20649#20581
Half → 25K4307+423#20581#20158
25K → 30K27651+225#20158#19933
30K → 20M12535+90#19933#19843
20M → 21M2463+243#19843#19600
21M → 35K5420+34#19600#19566
35K → 23M41167-126#19566#19692
23M → 24M5440+14#19692#19678
24M → 40K6925+44#19678#19634
40K → 25.2M2332-9#19634#19643
25.2M → Finish4140+1#19643#19642
TOTALS3102656+2446
📊

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