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BOSTON MARATHON 2023

James Timbrell

Bib: 567•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 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:16
Rank: #502
Start → 5K
18:16 | 5:53/mi
10K· 6.21 mi
36:33
Rank: #524 (-22)
5K → 10K
18:17 | 5:53/mi
15K· 9.32 mi
54:52
Rank: #525 (-1)
10K → 15K
18:19 | 5:54/mi
20K· 12.43 mi
1:13:37
Rank: #543 (-18)
15K → 20K
18:45 | 6:02/mi
Half· 13.11 mi
1:17:45
Rank: #548 (-5)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:32:41
Rank: #575 (-27)
Half → 25K
14:56 | 6:10/mi
30K· 18.64 mi
1:52:37
Rank: #656 (-81)
25K → 30K
19:56 | 6:25/mi
20M
2:01:23
Rank: #677 (-21)
30K → 20M
8:46 | 6:27/mi
21M
2:08:10
Rank: #690 (-13)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:12:44
Rank: #695 (-5)
21M → 35K
4:34 | 6:06/mi
23M
2:20:41
Rank: #698 (-3)
35K → 23M
7:57 | 6:21/mi
24M
2:27:06
Rank: #725 (-27)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:32:45
Rank: #732 (-7)
24M → 40K
5:39 | 6:36/mi
25.2M
2:35:13
Rank: #739 (-7)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:41:54
Rank: #764 (-25)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:45
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:24:09
Pace6:25 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2118:165:5318:16
5:53
-
10K
6.21 mi10:36:3836:335:5318:17
5:53
0:00
15K
9.32 mi10:54:5754:525:5318:19
5:54
+0:01
20K
12.43 mi11:13:421:13:375:5518:45
6:02
+0:08
Half
13.11 mi11:17:501:17:455:564:08
6:03
+0:01
25K
15.53 mi11:32:461:32:415:5814:56
6:10
+0:07
30K
18.64 mi11:52:421:52:376:0219:56
6:25
+0:15
20M
20.00 mi12:01:282:01:236:048:46
6:27
+0:02
21M
21.00 mi12:08:152:08:106:066:47
6:47
+0:20
35K
21.75 mi12:12:492:12:446:064:34
6:06
-0:41
23M
23.00 mi12:20:462:20:416:077:57
6:21
+0:15
24M
24.00 mi12:27:112:27:066:086:25
6:25
+0:04
40K
24.85 mi12:32:502:32:456:095:39
6:36
+0:11
25.2M
25.20 mi12:35:182:35:136:102:28
7:09
+0:33
Finish
26.22 mi12:41:592:41:546:116:41
6:34
-0:35

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

5:53 /mi

Average Pace

6:11 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:15

60% of race

Time at Steady Pace

43:04

27% of race

Time at Slower Pace

21:35

13% 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 mi10:18:2118:165:5318:16
5:53
#502
10K
6.21 mi10:36:3836:335:5318:17
5:53
#524
15K
9.32 mi10:54:5754:525:5318:19
5:54
#525
20K
12.43 mi11:13:421:13:375:5518:45
6:02
#543
Half
13.11 mi11:17:501:17:455:564:08
6:03
#548
25K
15.53 mi11:32:461:32:415:5814:56
6:10
#575
30K
18.64 mi11:52:421:52:376:0219:56
6:25
#656
20M
20.00 mi12:01:282:01:236:048:46
6:27
#677
21M
21.00 mi12:08:152:08:106:066:47
6:47
#690
35K
21.75 mi12:12:492:12:446:064:34
6:06
#695
23M
23.00 mi12:20:462:20:416:077:57
6:21
#698
24M
24.00 mi12:27:112:27:066:086:25
6:25
#725
40K
24.85 mi12:32:502:32:456:095:39
6:36
#732
25.2M
25.20 mi12:35:182:35:136:102:28
7:09
#739
Finish
26.22 mi12:41:592:41:546:116:41
6:34
#764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi502465465507(Top 2%)465(Top 3%)465(Top 9%)
10K6.21 mi3.10 mi524-22482-17482-17564(Top 2%)521(Top 3%)521(Top 10%)
15K9.32 mi3.11 mi525-1483-1483-1507(Top 2%)465(Top 3%)465(Top 9%)
20K12.43 mi3.11 mi543-18502-19502-19633(Top 2%)592(Top 4%)592(Top 11%)
Half13.11 mi0.68 mi548-5507-5507-5905(Top 3%)862(Top 6%)862(Top 16%)
25K15.53 mi2.42 mi575-27534-27534-27885(Top 3%)839(Top 6%)839(Top 16%)
30K18.64 mi3.11 mi656-81615-81615-811251(Top 5%)1193(Top 8%)1193(Top 23%)
20M20.00 mi1.36 mi677-21635-20635-201262(Top 5%)1201(Top 8%)1201(Top 23%)
21M21.00 mi1.00 mi690-13648-13648-131337(Top 5%)1274(Top 8%)1274(Top 24%)
35K21.75 mi0.75 mi695-5653-5653-5921(Top 3%)873(Top 6%)873(Top 17%)
23M23.00 mi1.25 mi698-3656-3656-3952(Top 4%)905(Top 6%)905(Top 17%)
24M24.00 mi1.00 mi725-27683-27683-271715(Top 6%)1616(Top 11%)1616(Top 31%)
40K24.85 mi0.85 mi732-7690-7690-71918(Top 7%)1800(Top 12%)1800(Top 34%)
25.2M25.20 mi0.35 mi739-7697-7697-72223(Top 8%)2056(Top 14%)2056(Top 39%)
Finish26.22 mi1.02 mi764-25721-24721-242724(Top 10%)2482(Top 16%)2482(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

507

Males

465

M18-39

465

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

564

Males

521

M18-39

521

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

507

Males

465

M18-39

465

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

633

Males

592

M18-39

592

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

905

Males

862

M18-39

862

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

885

Males

839

M18-39

839

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1251

Males

1193

M18-39

1193

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1262

Males

1201

M18-39

1201

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1337

Males

1274

M18-39

1274

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

921

Males

873

M18-39

873

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

952

Males

905

M18-39

905

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1715

Males

1616

M18-39

1616

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1918

Males

1800

M18-39

1800

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2223

Males

2056

M18-39

2056

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2724

Males

2482

M18-39

2482

Passing Analysis

Category:
Athletes Passed
118
Passed By
380
Net Change
-262
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#502
5K → 10K2547-22#502#524
10K → 15K1516-1#524#525
15K → 20K1432-18#525#543
20K → Half16-5#543#548
Half → 25K431-27#548#575
25K → 30K687-81#575#656
30K → 20M324-21#656#677
20M → 21M922-13#677#690
21M → 35K49-5#690#695
35K → 23M1619-3#695#698
23M → 24M633-27#698#725
24M → 40K613-7#725#732
40K → 25.2M29-7#732#739
25.2M → Finish732-25#739#764
TOTALS118380-262
📊

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