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BOSTON MARATHON 2023

Tyler Southwood

Bib: 991•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:24
Rank: #571
Start → 5K
18:24 | 5:55/mi
10K· 6.21 mi
37:04
Rank: #658 (-87)
5K → 10K
18:40 | 6:00/mi
15K· 9.32 mi
55:28
Rank: #622 (+36)
10K → 15K
18:24 | 5:55/mi
20K· 12.43 mi
1:14:10
Rank: #612 (+10)
15K → 20K
18:42 | 6:01/mi
Half· 13.11 mi
1:18:13
Rank: #613 (-1)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:32:51
Rank: #589 (+24)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:52:14
Rank: #611 (-22)
25K → 30K
19:23 | 6:14/mi
20M
2:00:54
Rank: #631 (-20)
30K → 20M
8:40 | 6:23/mi
21M
2:07:39
Rank: #646 (-15)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:12:16
Rank: #652 (-6)
21M → 35K
4:37 | 6:10/mi
23M
2:20:25
Rank: #668 (-16)
35K → 23M
8:09 | 6:31/mi
24M
2:26:53
Rank: #703 (-35)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:32:37
Rank: #725 (-22)
24M → 40K
5:44 | 6:42/mi
25.2M
2:35:09
Rank: #732 (-7)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:41:41
Rank: #742 (-10)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:13
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:23:28
Pace6:22 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3218:245:5518:24
5:55
-
10K
6.21 mi10:37:1237:045:5818:40
6:00
+0:05
15K
9.32 mi10:55:3655:285:5718:24
5:55
-0:05
20K
12.43 mi11:14:181:14:105:5818:42
6:01
+0:06
Half
13.11 mi11:18:211:18:135:584:03
5:56
-0:05
25K
15.53 mi11:32:591:32:515:5914:38
6:02
+0:06
30K
18.64 mi11:52:221:52:146:0119:23
6:14
+0:12
20M
20.00 mi12:01:022:00:546:038:40
6:23
+0:09
21M
21.00 mi12:07:472:07:396:056:45
6:45
+0:22
35K
21.75 mi12:12:242:12:166:054:37
6:10
-0:35
23M
23.00 mi12:20:332:20:256:068:09
6:31
+0:21
24M
24.00 mi12:27:012:26:536:076:28
6:28
-0:03
40K
24.85 mi12:32:452:32:376:085:44
6:42
+0:14
25.2M
25.20 mi12:35:172:35:096:092:32
7:21
+0:39
Finish
26.22 mi12:41:492:41:416:106:32
6:25
-0:56

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

5:55 /mi

Average Pace

6:10 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:51

57% of race

Time at Steady Pace

39:12

24% of race

Time at Slower Pace

29:38

18% of race

Average Pace: 6:10 /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 mi10:18:3218:245:5518:24
5:55
#571
10K
6.21 mi10:37:1237:045:5818:40
6:00
#658
15K
9.32 mi10:55:3655:285:5718:24
5:55
#622
20K
12.43 mi11:14:181:14:105:5818:42
6:01
#612
Half
13.11 mi11:18:211:18:135:584:03
5:56
#613
25K
15.53 mi11:32:591:32:515:5914:38
6:02
#589
30K
18.64 mi11:52:221:52:146:0119:23
6:14
#611
20M
20.00 mi12:01:022:00:546:038:40
6:23
#631
21M
21.00 mi12:07:472:07:396:056:45
6:45
#646
35K
21.75 mi12:12:242:12:166:054:37
6:10
#652
23M
23.00 mi12:20:332:20:256:068:09
6:31
#668
24M
24.00 mi12:27:012:26:536:076:28
6:28
#703
40K
24.85 mi12:32:452:32:376:085:44
6:42
#725
25.2M
25.20 mi12:35:172:35:096:092:32
7:21
#732
Finish
26.22 mi12:41:492:41:416:106:32
6:25
#742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi571528528556(Top 2%)514(Top 3%)514(Top 10%)
10K6.21 mi3.10 mi658-87614-86614-86815(Top 3%)769(Top 5%)769(Top 15%)
15K9.32 mi3.11 mi622+36579+35579+35556(Top 2%)514(Top 3%)514(Top 10%)
20K12.43 mi3.11 mi612+10569+10569+10594(Top 2%)554(Top 4%)554(Top 10%)
Half13.11 mi0.68 mi613-1570-1570-1626(Top 2%)588(Top 4%)588(Top 11%)
25K15.53 mi2.42 mi589+24548+22548+22598(Top 2%)558(Top 4%)558(Top 11%)
30K18.64 mi3.11 mi611-22570-22570-22762(Top 3%)724(Top 5%)724(Top 14%)
20M20.00 mi1.36 mi631-20591-21591-211054(Top 4%)1009(Top 7%)1009(Top 19%)
21M21.00 mi1.00 mi646-15604-13604-131239(Top 5%)1181(Top 8%)1181(Top 22%)
35K21.75 mi0.75 mi652-6610-6610-61127(Top 4%)1071(Top 7%)1071(Top 20%)
23M23.00 mi1.25 mi668-16626-16626-161431(Top 5%)1358(Top 9%)1358(Top 26%)
24M24.00 mi1.00 mi703-35662-36662-361922(Top 7%)1803(Top 12%)1803(Top 34%)
40K24.85 mi0.85 mi725-22683-21683-212334(Top 9%)2164(Top 14%)2164(Top 41%)
25.2M25.20 mi0.35 mi732-7690-7690-73061(Top 11%)2784(Top 18%)2784(Top 53%)
Finish26.22 mi1.02 mi742-10700-10700-102039(Top 8%)1894(Top 12%)1894(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

556

Males

514

M18-39

514

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

815

Males

769

M18-39

769

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

556

Males

514

M18-39

514

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

594

Males

554

M18-39

554

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

626

Males

588

M18-39

588

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

598

Males

558

M18-39

558

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

762

Males

724

M18-39

724

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1054

Males

1009

M18-39

1009

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1239

Males

1181

M18-39

1181

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1127

Males

1071

M18-39

1071

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1431

Males

1358

M18-39

1358

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1922

Males

1803

M18-39

1803

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2334

Males

2164

M18-39

2164

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3061

Males

2784

M18-39

2784

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2039

Males

1894

M18-39

1894

Passing Analysis

Category:
Athletes Passed
161
Passed By
332
Net Change
-171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#571
5K → 10K491-87#571#658
10K → 15K415+36#658#622
15K → 20K2212+10#622#612
20K → Half34-1#612#613
Half → 25K251+24#613#589
25K → 30K1335-22#589#611
30K → 20M929-20#611#631
20M → 21M621-15#631#646
21M → 35K28-6#646#652
35K → 23M1430-16#652#668
23M → 24M540-35#668#703
24M → 40K325-22#703#725
40K → 25.2M411-7#725#732
25.2M → Finish1020-10#732#742
TOTALS161332-171
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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