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BOSTON MARATHON 2023

Trevor Sytsma

Bib: 1256•M

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:54
Rank: #856
Start → 5K
18:54 | 6:05/mi
10K· 6.21 mi
37:41
Rank: #879 (-23)
5K → 10K
18:47 | 6:03/mi
15K· 9.32 mi
56:24
Rank: #838 (+41)
10K → 15K
18:43 | 6:01/mi
20K· 12.43 mi
1:15:13
Rank: #778 (+60)
15K → 20K
18:49 | 6:03/mi
Half· 13.11 mi
1:19:19
Rank: #780 (-2)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:34:03
Rank: #745 (+35)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:54:36
Rank: #890 (-145)
25K → 30K
20:33 | 6:37/mi
20M
2:03:30
Rank: #917 (-27)
30K → 20M
8:54 | 6:33/mi
21M
2:11:36
Rank: #1083 (-166)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:16:35
Rank: #1121 (-38)
21M → 35K
4:59 | 6:40/mi
23M
2:25:37
Rank: #1256 (-135)
35K → 23M
9:02 | 7:13/mi
24M
2:32:49
Rank: #1386 (-130)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:39:37
Rank: #1564 (-178)
24M → 40K
6:48 | 7:57/mi
25.2M
2:42:23
Rank: #1608 (-44)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:49:53
Rank: #1762 (-154)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:19
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3118:546:0518:54
6:05
-
10K
6.21 mi10:38:1837:416:0418:47
6:03
-0:02
15K
9.32 mi10:57:0156:246:0318:43
6:01
-0:02
20K
12.43 mi11:15:501:15:136:0318:49
6:03
+0:02
Half
13.11 mi11:19:561:19:196:034:06
6:01
-0:02
25K
15.53 mi11:34:401:34:036:0314:44
6:05
+0:04
30K
18.64 mi11:55:131:54:366:0920:33
6:37
+0:32
20M
20.00 mi12:04:072:03:306:108:54
6:33
-0:04
21M
21.00 mi12:12:132:11:366:168:06
8:06
+1:33
35K
21.75 mi12:17:122:16:356:174:59
6:40
-1:26
23M
23.00 mi12:26:142:25:376:209:02
7:13
+0:33
24M
24.00 mi12:33:262:32:496:227:12
7:12
-0:01
40K
24.85 mi12:40:142:39:376:256:48
7:57
+0:45
25.2M
25.20 mi12:43:002:42:236:272:46
8:01
+0:04
Finish
26.22 mi12:50:302:49:536:297:30
7:22
-0:39

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

6:01 /mi

Average Pace

6:29 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:03

55% of race

Time at Steady Pace

34:26

20% of race

Time at Slower Pace

41:24

24% of race

Average Pace: 6:29 /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 mi10:19:3118:546:0518:54
6:05
#856
10K
6.21 mi10:38:1837:416:0418:47
6:03
#879
15K
9.32 mi10:57:0156:246:0318:43
6:01
#838
20K
12.43 mi11:15:501:15:136:0318:49
6:03
#778
Half
13.11 mi11:19:561:19:196:034:06
6:01
#780
25K
15.53 mi11:34:401:34:036:0314:44
6:05
#745
30K
18.64 mi11:55:131:54:366:0920:33
6:37
#890
20M
20.00 mi12:04:072:03:306:108:54
6:33
#917
21M
21.00 mi12:12:132:11:366:168:06
8:06
#1083
35K
21.75 mi12:17:122:16:356:174:59
6:40
#1121
23M
23.00 mi12:26:142:25:376:209:02
7:13
#1256
24M
24.00 mi12:33:262:32:496:227:12
7:12
#1386
40K
24.85 mi12:40:142:39:376:256:48
7:57
#1564
25.2M
25.20 mi12:43:002:42:236:272:46
8:01
#1608
Finish
26.22 mi12:50:302:49:536:297:30
7:22
#1762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi856806806772(Top 3%)727(Top 5%)727(Top 14%)
10K6.21 mi3.10 mi879-23829-23829-23923(Top 3%)874(Top 6%)874(Top 17%)
15K9.32 mi3.11 mi838+41790+39790+39772(Top 3%)727(Top 5%)727(Top 14%)
20K12.43 mi3.11 mi778+60733+57733+57680(Top 3%)638(Top 4%)638(Top 12%)
Half13.11 mi0.68 mi780-2735-2735-2810(Top 3%)769(Top 5%)769(Top 15%)
25K15.53 mi2.42 mi745+35701+34701+34698(Top 3%)657(Top 4%)657(Top 12%)
30K18.64 mi3.11 mi890-145842-141842-1412009(Top 8%)1922(Top 13%)1922(Top 36%)
20M20.00 mi1.36 mi917-27870-28870-281637(Top 6%)1561(Top 10%)1561(Top 30%)
21M21.00 mi1.00 mi1083-1661030-1601030-1607961(Top 30%)6438(Top 42%)6438(Top 122%)
35K21.75 mi0.75 mi1121-381068-381068-383291(Top 12%)3061(Top 20%)3061(Top 58%)
23M23.00 mi1.25 mi1256-1351199-1311199-1314831(Top 18%)4330(Top 29%)4330(Top 82%)
24M24.00 mi1.00 mi1386-1301322-1231322-1235710(Top 21%)4903(Top 32%)4903(Top 93%)
40K24.85 mi0.85 mi1564-1781494-1721494-1729668(Top 36%)7146(Top 47%)7146(Top 135%)
25.2M25.20 mi0.35 mi1608-441536-421536-426498(Top 24%)5224(Top 34%)5224(Top 99%)
Finish26.22 mi1.02 mi1762-1541683-1471683-1477459(Top 28%)5826(Top 38%)5826(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

772

Males

727

M18-39

727

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

923

Males

874

M18-39

874

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

772

Males

727

M18-39

727

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

680

Males

638

M18-39

638

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

810

Males

769

M18-39

769

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

698

Males

657

M18-39

657

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2009

Males

1922

M18-39

1922

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1637

Males

1561

M18-39

1561

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7961

Males

6438

M18-39

6438

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3291

Males

3061

M18-39

3061

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4831

Males

4330

M18-39

4330

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5710

Males

4903

M18-39

4903

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9668

Males

7146

M18-39

7146

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6498

Males

5224

M18-39

5224

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7459

Males

5826

M18-39

5826

Passing Analysis

Category:
Athletes Passed
227
Passed By
1133
Net Change
-906
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#856
5K → 10K3861-23#856#879
10K → 15K498+41#879#838
15K → 20K644+60#838#778
20K → Half46-2#778#780
Half → 25K438+35#780#745
25K → 30K3148-145#745#890
30K → 20M835-27#890#917
20M → 21M2168-166#917#1083
21M → 35K341-38#1083#1121
35K → 23M6141-135#1121#1256
23M → 24M3133-130#1256#1386
24M → 40K1179-178#1386#1564
40K → 25.2M145-44#1564#1608
25.2M → Finish2156-154#1608#1762
TOTALS2271133-906
📊

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