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BOSTON MARATHON 2023

Jordan Silk

Bib: 4436•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3311
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:19
Rank: #3541 (-230)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:01:53
Rank: #3481 (+60)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:22
Rank: #3284 (+197)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:26:46
Rank: #3226 (+58)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:42:44
Rank: #3093 (+133)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:03:42
Rank: #2951 (+142)
25K → 30K
20:58 | 6:45/mi
20M
2:12:57
Rank: #2924 (+27)
30K → 20M
9:15 | 6:48/mi
21M
2:20:13
Rank: #2935 (-11)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:25:10
Rank: #2916 (+19)
21M → 35K
4:57 | 6:37/mi
23M
2:33:41
Rank: #2862 (+54)
35K → 23M
8:31 | 6:48/mi
24M
2:40:15
Rank: #2832 (+30)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:45:54
Rank: #2748 (+84)
24M → 40K
5:39 | 6:36/mi
25.2M
2:48:23
Rank: #2735 (+13)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:55:01
Rank: #2697 (+38)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:46
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3720:416:3920:41
6:39
-
10K
6.21 mi10:43:1541:196:3920:38
6:38
-0:01
15K
9.32 mi11:03:491:01:536:3820:34
6:37
-0:01
20K
12.43 mi11:24:181:22:226:3820:29
6:36
-0:01
Half
13.11 mi11:28:421:26:466:374:24
6:27
-0:09
25K
15.53 mi11:44:401:42:446:3715:58
6:35
+0:08
30K
18.64 mi12:05:382:03:426:3820:58
6:45
+0:10
20M
20.00 mi12:14:532:12:576:399:15
6:48
+0:03
21M
21.00 mi12:22:092:20:136:417:16
7:16
+0:28
35K
21.75 mi12:27:062:25:106:404:57
6:37
-0:39
23M
23.00 mi12:35:372:33:416:418:31
6:48
+0:11
24M
24.00 mi12:42:112:40:156:416:34
6:34
-0:14
40K
24.85 mi12:47:502:45:546:405:39
6:36
+0:02
25.2M
25.20 mi12:50:192:48:236:412:29
7:12
+0:36
Finish
26.22 mi12:56:572:55:016:416:38
6:31
-0:41

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

6:27 /mi

Average Pace

6:41 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:16

94% of race

Time at Steady Pace

9:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:22:3720:416:3920:41
6:39
#3311
10K
6.21 mi10:43:1541:196:3920:38
6:38
#3541
15K
9.32 mi11:03:491:01:536:3820:34
6:37
#3481
20K
12.43 mi11:24:181:22:226:3820:29
6:36
#3284
Half
13.11 mi11:28:421:26:466:374:24
6:27
#3226
25K
15.53 mi11:44:401:42:446:3715:58
6:35
#3093
30K
18.64 mi12:05:382:03:426:3820:58
6:45
#2951
20M
20.00 mi12:14:532:12:576:399:15
6:48
#2924
21M
21.00 mi12:22:092:20:136:417:16
7:16
#2935
35K
21.75 mi12:27:062:25:106:404:57
6:37
#2916
23M
23.00 mi12:35:372:33:416:418:31
6:48
#2862
24M
24.00 mi12:42:112:40:156:416:34
6:34
#2832
40K
24.85 mi12:47:502:45:546:405:39
6:36
#2748
25.2M
25.20 mi12:50:192:48:236:412:29
7:12
#2735
Finish
26.22 mi12:56:572:55:016:416:38
6:31
#2697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3311312331233477(Top 13%)3291(Top 22%)3291(Top 147%)
10K6.21 mi3.10 mi3541-2303342-2193342-2193839(Top 14%)3616(Top 24%)3616(Top 161%)
15K9.32 mi3.11 mi3481+603295+473295+473477(Top 13%)3291(Top 22%)3291(Top 147%)
20K12.43 mi3.11 mi3284+1973122+1733122+1732807(Top 11%)2681(Top 18%)2681(Top 120%)
Half13.11 mi0.68 mi3226+583069+533069+532550(Top 10%)2444(Top 16%)2444(Top 109%)
25K15.53 mi2.42 mi3093+1332948+1212948+1212644(Top 10%)2531(Top 17%)2531(Top 113%)
30K18.64 mi3.11 mi2951+1422818+1302818+1302695(Top 10%)2559(Top 17%)2559(Top 114%)
20M20.00 mi1.36 mi2924+272794+242794+242897(Top 11%)2723(Top 18%)2723(Top 122%)
21M21.00 mi1.00 mi2935-112800-62800-63476(Top 13%)3227(Top 21%)3227(Top 144%)
35K21.75 mi0.75 mi2916+192779+212779+213168(Top 12%)2953(Top 19%)2953(Top 132%)
23M23.00 mi1.25 mi2862+542725+542725+542705(Top 10%)2531(Top 17%)2531(Top 113%)
24M24.00 mi1.00 mi2832+302693+322693+322432(Top 9%)2268(Top 15%)2268(Top 101%)
40K24.85 mi0.85 mi2748+842613+802613+801989(Top 7%)1859(Top 12%)1859(Top 83%)
25.2M25.20 mi0.35 mi2735+132600+132600+132620(Top 10%)2408(Top 16%)2408(Top 107%)
Finish26.22 mi1.02 mi2697+382566+342566+342574(Top 10%)2360(Top 16%)2360(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3477

Males

3291

M40-44

3291

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3839

Males

3616

M40-44

3616

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3477

Males

3291

M40-44

3291

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2807

Males

2681

M40-44

2681

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2550

Males

2444

M40-44

2444

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2644

Males

2531

M40-44

2531

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2695

Males

2559

M40-44

2559

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2897

Males

2723

M40-44

2723

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3476

Males

3227

M40-44

3227

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3168

Males

2953

M40-44

2953

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2705

Males

2531

M40-44

2531

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2432

Males

2268

M40-44

2268

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1989

Males

1859

M40-44

1859

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2620

Males

2408

M40-44

2408

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2574

Males

2360

M40-44

2360

Passing Analysis

Category:
Athletes Passed
1239
Passed By
625
Net Change
+614
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3311
5K → 10K96326-230#3311#3541
10K → 15K13676+60#3541#3481
15K → 20K21114+197#3481#3284
20K → Half602+58#3284#3226
Half → 25K14613+133#3226#3093
25K → 30K16119+142#3093#2951
30K → 20M5427+27#2951#2924
20M → 21M3849-11#2924#2935
21M → 35K3920+19#2935#2916
35K → 23M8228+54#2916#2862
23M → 24M5121+30#2862#2832
24M → 40K906+84#2832#2748
40K → 25.2M196+13#2748#2735
25.2M → Finish5618+38#2735#2697
TOTALS1239625+614
📊

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