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BOSTON MARATHON 2023

James Skinner

Bib: 4284•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #5131
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
41:37
Rank: #3944 (+1187)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:40
Rank: #3315 (+629)
10K → 15K
20:03 | 6:27/mi
20K· 12.43 mi
1:21:54
Rank: #3017 (+298)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:26:17
Rank: #2962 (+55)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:42:07
Rank: #2819 (+143)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
2:04:56
Rank: #3449 (-630)
25K → 30K
22:49 | 7:21/mi
20M
2:14:04
Rank: #3310 (+139)
30K → 20M
9:08 | 6:43/mi
21M
2:21:18
Rank: #3285 (+25)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:26:09
Rank: #3232 (+53)
21M → 35K
4:51 | 6:29/mi
23M
2:34:34
Rank: #3129 (+103)
35K → 23M
8:25 | 6:43/mi
24M
2:41:06
Rank: #3056 (+73)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:46:51
Rank: #2998 (+58)
24M → 40K
5:45 | 6:44/mi
25.2M
2:49:25
Rank: #2995 (+3)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:56:25
Rank: #3035 (-40)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3721:176:5121:17
6:51
-
10K
6.21 mi10:43:5741:376:4220:20
6:33
-0:18
15K
9.32 mi11:04:001:01:406:3720:03
6:27
-0:06
20K
12.43 mi11:24:141:21:546:3520:14
6:31
+0:04
Half
13.11 mi11:28:371:26:176:354:23
6:25
-0:06
25K
15.53 mi11:44:271:42:076:3415:50
6:32
+0:07
30K
18.64 mi12:07:162:04:566:4222:49
7:21
+0:49
20M
20.00 mi12:16:242:14:046:429:08
6:43
-0:38
21M
21.00 mi12:23:382:21:186:447:14
7:14
+0:31
35K
21.75 mi12:28:292:26:096:434:51
6:29
-0:45
23M
23.00 mi12:36:542:34:346:438:25
6:43
+0:14
24M
24.00 mi12:43:262:41:066:436:32
6:32
-0:11
40K
24.85 mi12:49:112:46:516:435:45
6:44
+0:12
25.2M
25.20 mi12:51:452:49:256:432:34
7:27
+0:43
Finish
26.22 mi12:58:452:56:256:447:00
6:52
-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

6:25 /mi

Average Pace

6:44 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:48

82% of race

Time at Steady Pace

32:37

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:23:3721:176:5121:17
6:51
#5131
10K
6.21 mi10:43:5741:376:4220:20
6:33
#3944
15K
9.32 mi11:04:001:01:406:3720:03
6:27
#3315
20K
12.43 mi11:24:141:21:546:3520:14
6:31
#3017
Half
13.11 mi11:28:371:26:176:354:23
6:25
#2962
25K
15.53 mi11:44:271:42:076:3415:50
6:32
#2819
30K
18.64 mi12:07:162:04:566:4222:49
7:21
#3449
20M
20.00 mi12:16:242:14:046:429:08
6:43
#3310
21M
21.00 mi12:23:382:21:186:447:14
7:14
#3285
35K
21.75 mi12:28:292:26:096:434:51
6:29
#3232
23M
23.00 mi12:36:542:34:346:438:25
6:43
#3129
24M
24.00 mi12:43:262:41:066:436:32
6:32
#3056
40K
24.85 mi12:49:112:46:516:435:45
6:44
#2998
25.2M
25.20 mi12:51:452:49:256:432:34
7:27
#2995
Finish
26.22 mi12:58:452:56:256:447:00
6:52
#3035
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5131475647562384(Top 9%)2288(Top 15%)2288(Top 43%)
10K6.21 mi3.10 mi3944+11873713+10433713+10433079(Top 12%)2937(Top 19%)2937(Top 56%)
15K9.32 mi3.11 mi3315+6293148+5653148+5652384(Top 9%)2288(Top 15%)2288(Top 43%)
20K12.43 mi3.11 mi3017+2982879+2692879+2692361(Top 9%)2263(Top 15%)2263(Top 43%)
Half13.11 mi0.68 mi2962+552829+502829+502382(Top 9%)2287(Top 15%)2287(Top 43%)
25K15.53 mi2.42 mi2819+1432695+1342695+1342336(Top 9%)2238(Top 15%)2238(Top 42%)
30K18.64 mi3.11 mi3449-6303266-5713266-5716267(Top 24%)5560(Top 37%)5560(Top 105%)
20M20.00 mi1.36 mi3310+1393136+1303136+1302391(Top 9%)2267(Top 15%)2267(Top 43%)
21M21.00 mi1.00 mi3285+253112+243112+243271(Top 12%)3051(Top 20%)3051(Top 58%)
35K21.75 mi0.75 mi3232+533060+523060+522344(Top 9%)2224(Top 15%)2224(Top 42%)
23M23.00 mi1.25 mi3129+1032967+932967+932275(Top 9%)2146(Top 14%)2146(Top 41%)
24M24.00 mi1.00 mi3056+732900+672900+672245(Top 8%)2103(Top 14%)2103(Top 40%)
40K24.85 mi0.85 mi2998+582843+572843+572465(Top 9%)2285(Top 15%)2285(Top 43%)
25.2M25.20 mi0.35 mi2995+32839+42839+43577(Top 13%)3205(Top 21%)3205(Top 61%)
Finish26.22 mi1.02 mi3035-402874-352874-354429(Top 17%)3862(Top 25%)3862(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2384

Males

2288

M18-39

2288

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3079

Males

2937

M18-39

2937

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2384

Males

2288

M18-39

2288

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2361

Males

2263

M18-39

2263

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2382

Males

2287

M18-39

2287

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2336

Males

2238

M18-39

2238

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6267

Males

5560

M18-39

5560

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2391

Males

2267

M18-39

2267

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3271

Males

3051

M18-39

3051

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2344

Males

2224

M18-39

2224

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2275

Males

2146

M18-39

2146

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2245

Males

2103

M18-39

2103

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2465

Males

2285

M18-39

2285

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3577

Males

3205

M18-39

3205

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4429

Males

3862

M18-39

3862

Passing Analysis

Category:
Athletes Passed
2928
Passed By
832
Net Change
+2096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5131
5K → 10K11947+1187#5131#3944
10K → 15K6323+629#3944#3315
15K → 20K3002+298#3315#3017
20K → Half605+55#3017#2962
Half → 25K1518+143#2962#2819
25K → 30K7637-630#2819#3449
30K → 20M1434+139#3449#3310
20M → 21M6439+25#3310#3285
21M → 35K585+53#3285#3232
35K → 23M11310+103#3232#3129
23M → 24M8310+73#3129#3056
24M → 40K7113+58#3056#2998
40K → 25.2M2320+3#2998#2995
25.2M → Finish2969-40#2995#3035
TOTALS2928832+2096
📊

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