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BOSTON MARATHON 2023

Brian Dewine

Bib: 3571•M

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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

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3278
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
40:56
Rank: #3062 (+216)
5K → 10K
20:15 | 6:31/mi
15K· 9.32 mi
1:01:08
Rank: #2885 (+177)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:21:22
Rank: #2709 (+176)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:25:45
Rank: #2685 (+24)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:34
Rank: #2615 (+70)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:02:07
Rank: #2476 (+139)
25K → 30K
20:33 | 6:37/mi
20M
2:11:03
Rank: #2394 (+82)
30K → 20M
8:56 | 6:34/mi
21M
2:17:56
Rank: #2330 (+64)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:22:46
Rank: #2314 (+16)
21M → 35K
4:50 | 6:28/mi
23M
2:30:56
Rank: #2236 (+78)
35K → 23M
8:10 | 6:31/mi
24M
2:37:17
Rank: #2179 (+57)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:42:47
Rank: #2123 (+56)
24M → 40K
5:30 | 6:26/mi
25.2M
2:45:10
Rank: #2096 (+27)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:51:42
Rank: #2056 (+40)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:45
Pace6:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:57
Pace6:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5420:416:3920:41
6:39
-
10K
6.21 mi10:42:0940:566:3520:15
6:31
-0:08
15K
9.32 mi11:02:211:01:086:3420:12
6:30
-0:01
20K
12.43 mi11:22:351:21:226:3320:14
6:31
+0:01
Half
13.11 mi11:26:581:25:456:324:23
6:25
-0:06
25K
15.53 mi11:42:471:41:346:3215:49
6:31
+0:06
30K
18.64 mi12:03:202:02:076:3320:33
6:37
+0:06
20M
20.00 mi12:12:162:11:036:338:56
6:34
-0:03
21M
21.00 mi12:19:092:17:566:346:53
6:53
+0:19
35K
21.75 mi12:23:592:22:466:344:50
6:28
-0:25
23M
23.00 mi12:32:092:30:566:348:10
6:31
+0:03
24M
24.00 mi12:38:302:37:176:336:21
6:21
-0:10
40K
24.85 mi12:44:002:42:476:335:30
6:26
+0:05
25.2M
25.20 mi12:46:232:45:106:332:23
6:55
+0:29
Finish
26.22 mi12:52:552:51:426:336:32
6:25
-0:30

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

6:21 /mi

Average Pace

6:33 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:26

95% of race

Time at Steady Pace

9:16

5% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:5420:416:3920:41
6:39
#3278
10K
6.21 mi10:42:0940:566:3520:15
6:31
#3062
15K
9.32 mi11:02:211:01:086:3420:12
6:30
#2885
20K
12.43 mi11:22:351:21:226:3320:14
6:31
#2709
Half
13.11 mi11:26:581:25:456:324:23
6:25
#2685
25K
15.53 mi11:42:471:41:346:3215:49
6:31
#2615
30K
18.64 mi12:03:202:02:076:3320:33
6:37
#2476
20M
20.00 mi12:12:162:11:036:338:56
6:34
#2394
21M
21.00 mi12:19:092:17:566:346:53
6:53
#2330
35K
21.75 mi12:23:592:22:466:344:50
6:28
#2314
23M
23.00 mi12:32:092:30:566:348:10
6:31
#2236
24M
24.00 mi12:38:302:37:176:336:21
6:21
#2179
40K
24.85 mi12:44:002:42:476:335:30
6:26
#2123
25.2M
25.20 mi12:46:232:45:106:332:23
6:55
#2096
Finish
26.22 mi12:52:552:51:426:336:32
6:25
#2056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3278309630962635(Top 10%)2520(Top 17%)2520(Top 48%)
10K6.21 mi3.10 mi3062+2162915+1812915+1812896(Top 11%)2766(Top 18%)2766(Top 52%)
15K9.32 mi3.11 mi2885+1772752+1632752+1632635(Top 10%)2520(Top 17%)2520(Top 48%)
20K12.43 mi3.11 mi2709+1762588+1642588+1642353(Top 9%)2255(Top 15%)2255(Top 43%)
Half13.11 mi0.68 mi2685+242565+232565+232330(Top 9%)2235(Top 15%)2235(Top 42%)
25K15.53 mi2.42 mi2615+702501+642501+642283(Top 9%)2189(Top 14%)2189(Top 41%)
30K18.64 mi3.11 mi2476+1392369+1322369+1322018(Top 8%)1931(Top 13%)1931(Top 37%)
20M20.00 mi1.36 mi2394+822293+762293+761740(Top 7%)1660(Top 11%)1660(Top 31%)
21M21.00 mi1.00 mi2330+642232+612232+611714(Top 6%)1630(Top 11%)1630(Top 31%)
35K21.75 mi0.75 mi2314+162217+152217+152209(Top 8%)2096(Top 14%)2096(Top 40%)
23M23.00 mi1.25 mi2236+782143+742143+741521(Top 6%)1446(Top 10%)1446(Top 27%)
24M24.00 mi1.00 mi2179+572091+522091+521521(Top 6%)1440(Top 9%)1440(Top 27%)
40K24.85 mi0.85 mi2123+562037+542037+541334(Top 5%)1261(Top 8%)1261(Top 24%)
25.2M25.20 mi0.35 mi2096+272010+272010+271478(Top 6%)1395(Top 9%)1395(Top 26%)
Finish26.22 mi1.02 mi2056+401971+391971+392054(Top 8%)1909(Top 13%)1909(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2635

Males

2520

M18-39

2520

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2896

Males

2766

M18-39

2766

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2635

Males

2520

M18-39

2520

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2353

Males

2255

M18-39

2255

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2330

Males

2235

M18-39

2235

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2283

Males

2189

M18-39

2189

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2018

Males

1931

M18-39

1931

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1740

Males

1660

M18-39

1660

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1714

Males

1630

M18-39

1630

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2209

Males

2096

M18-39

2096

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1521

Males

1446

M18-39

1446

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1521

Males

1440

M18-39

1440

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1334

Males

1261

M18-39

1261

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1478

Males

1395

M18-39

1395

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2054

Males

1909

M18-39

1909

Passing Analysis

Category:
Athletes Passed
1420
Passed By
198
Net Change
+1222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3278
5K → 10K28569+216#3278#3062
10K → 15K21033+177#3062#2885
15K → 20K18610+176#2885#2709
20K → Half284+24#2709#2685
Half → 25K8414+70#2685#2615
25K → 30K15314+139#2615#2476
30K → 20M875+82#2476#2394
20M → 21M695+64#2394#2330
21M → 35K2812+16#2330#2314
35K → 23M791+78#2314#2236
23M → 24M614+57#2236#2179
24M → 40K648+56#2179#2123
40K → 25.2M281+27#2123#2096
25.2M → Finish5818+40#2096#2056
TOTALS1420198+1222
📊

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