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BOSTON MARATHON 2023

Jonathan Spillane

Bib: 30111•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
10:32/mi
32:43
↑ 97↓ 3451.5%
10K· 6.21 mi
10:40/mi
1:05:52
↑ 79↓ 1380.4%
15K· 9.32 mi
10:36/mi
1:38:47
↑ 67↓ 78
20K· 12.43 mi
10:01/mi
2:09:55
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:16:33
↑ 19↓ 370.5%
25K· 15.53 mi
12:03/mi
2:45:45
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
3:18:14
↑ 181↓ 1480.2%
20M
10:36/mi
3:32:38
↑ 64↓ 500.2%
21M
11:21/mi
3:43:59
↑ 106↓ 241.6%
35K· 21.75 mi
13:21/mi
3:53:58
↑ 17↓ 861.7%
23M
10:41/mi
4:07:21
↑ 23↓ 630.6%
24M
10:04/mi
4:17:25
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:26:28
↓ 200.3%
25.2M
11:27/mi
4:30:25
↑ 13↓ 160.2%
Finish· 26.22 mi
10:07/mi
4:40:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:33
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:24:11
Pace11:00 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1432:4310:3232:43
10:32
-
10K
6.21 mi12:27:231:05:5210:3633:09
10:40
+0:08
15K
9.32 mi13:00:181:38:4710:3632:55
10:36
-0:04
20K
12.43 mi13:31:262:09:5510:2731:08
10:01
-0:35
Half
13.11 mi13:38:042:16:3310:256:38
9:43
-0:18
25K
15.53 mi14:07:162:45:4510:4029:12
12:03
+2:20
30K
18.64 mi14:39:453:18:1410:3832:29
10:27
-1:36
20M
20.00 mi14:54:093:32:3810:3814:24
10:36
+0:09
21M
21.00 mi15:05:303:43:5910:4011:21
11:21
+0:45
35K
21.75 mi15:15:293:53:5810:459:59
13:21
+2:00
23M
23.00 mi15:28:524:07:2110:4513:23
10:41
-2:40
24M
24.00 mi15:38:564:17:2510:4410:04
10:04
-0:37
40K
24.85 mi15:47:594:26:2810:439:03
10:35
+0:31
25.2M
25.20 mi15:51:564:30:2510:443:57
11:27
+0:52
Finish
26.22 mi16:02:154:40:4410:4310:19
10:07
-1:20

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

9:43 /mi

Average Pace

10:43 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:09

21% of race

Time at Steady Pace

2:48:06

60% of race

Time at Slower Pace

54:29

19% of race

Average Pace: 10:42 /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 mi11:54:1432:4310:3232:43
10:32
#24777
10K
6.21 mi12:27:231:05:5210:3633:09
10:40
#24907
15K
9.32 mi13:00:181:38:4710:3632:55
10:36
#24806
20K
12.43 mi13:31:262:09:5510:2731:08
10:01
#24332
Half
13.11 mi13:38:042:16:3310:256:38
9:43
#24239
25K
15.53 mi14:07:162:45:4510:4029:12
12:03
#24495
30K
18.64 mi14:39:453:18:1410:3832:29
10:27
#24045
20M
20.00 mi14:54:093:32:3810:3814:24
10:36
#23912
21M
21.00 mi15:05:303:43:5910:4011:21
11:21
#23791
35K
21.75 mi15:15:293:53:5810:459:59
13:21
#23928
23M
23.00 mi15:28:524:07:2110:4513:23
10:41
#23819
24M
24.00 mi15:38:564:17:2510:4410:04
10:04
#23736
40K
24.85 mi15:47:594:26:2810:439:03
10:35
#23665
25.2M
25.20 mi15:51:564:30:2510:443:57
11:27
#23633
Finish
26.22 mi16:02:154:40:4410:4310:19
10:07
#23591
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24777144371443724614(Top 92%)14351(Top 95%)14351(Top 272%)
10K6.21 mi3.10 mi24907-13014499-6214499-6224965(Top 94%)14520(Top 96%)14520(Top 275%)
15K9.32 mi3.11 mi24806+10114443+5614443+5624614(Top 92%)14351(Top 95%)14351(Top 272%)
20K12.43 mi3.11 mi24332+47414228+21514228+21522962(Top 86%)13604(Top 90%)13604(Top 257%)
Half13.11 mi0.68 mi24239+9314190+3814190+3822696(Top 85%)13496(Top 89%)13496(Top 255%)
25K15.53 mi2.42 mi24495-25614293-10314293-10325193(Top 95%)14547(Top 96%)14547(Top 275%)
30K18.64 mi3.11 mi24045+45014078+21514078+21522116(Top 83%)13132(Top 87%)13132(Top 248%)
20M20.00 mi1.36 mi23912+13314019+5914019+5921944(Top 82%)12980(Top 86%)12980(Top 246%)
21M21.00 mi1.00 mi23791+12113945+7413945+7421596(Top 81%)12798(Top 84%)12798(Top 242%)
35K21.75 mi0.75 mi23928-13714000-5514000-5525781(Top 97%)14723(Top 97%)14723(Top 279%)
23M23.00 mi1.25 mi23819+10913947+5313947+5321731(Top 82%)12788(Top 84%)12788(Top 242%)
24M24.00 mi1.00 mi23736+8313896+5113896+5120970(Top 79%)12427(Top 82%)12427(Top 235%)
40K24.85 mi0.85 mi23665+7113858+3813858+3821417(Top 80%)12549(Top 83%)12549(Top 237%)
25.2M25.20 mi0.35 mi23633+3213843+1513843+1521456(Top 81%)12605(Top 83%)12605(Top 239%)
Finish26.22 mi1.02 mi23591+4213811+3213811+3222089(Top 83%)12911(Top 85%)12911(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24614

Males

14351

M18-39

14351

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24965

Males

14520

M18-39

14520

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24614

Males

14351

M18-39

14351

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22962

Males

13604

M18-39

13604

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22696

Males

13496

M18-39

13496

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25193

Males

14547

M18-39

14547

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22116

Males

13132

M18-39

13132

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21944

Males

12980

M18-39

12980

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21596

Males

12798

M18-39

12798

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25781

Males

14723

M18-39

14723

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21731

Males

12788

M18-39

12788

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20970

Males

12427

M18-39

12427

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21417

Males

12549

M18-39

12549

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21456

Males

12605

M18-39

12605

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22089

Males

12911

M18-39

12911

Passing Analysis

Category:
Athletes Passed
1969
Passed By
783
Net Change
+1186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24777
5K → 10K131261-130#24777#24907
10K → 15K16463+101#24907#24806
15K → 20K4751+474#24806#24332
20K → Half963+93#24332#24239
Half → 25K23279-256#24239#24495
25K → 30K4544+450#24495#24045
30K → 20M1341+133#24045#23912
20M → 21M13312+121#23912#23791
21M → 35K2139-137#23791#23928
35K → 23M1134+109#23928#23819
23M → 24M841+83#23819#23736
24M → 40K732+71#23736#23665
40K → 25.2M353+32#23665#23633
25.2M → Finish5210+42#23633#23591
TOTALS1969783+1186
📊

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