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BOSTON MARATHON 2023

Jakob Skriver

Bib: 2850•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M40-44)
#0 / 2241
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #2018
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
39:49
Rank: #2025 (-7)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:45
Rank: #2057 (-32)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:19:54
Rank: #2083 (-26)
15K → 20K
20:09 | 6:29/mi
Half· 13.11 mi
1:24:19
Rank: #2104 (-21)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:16
Rank: #2165 (-61)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:01:37
Rank: #2346 (-181)
25K → 30K
21:21 | 6:52/mi
20M
2:11:12
Rank: #2428 (-82)
30K → 20M
9:35 | 7:03/mi
21M
2:18:49
Rank: #2541 (-113)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:24:03
Rank: #2589 (-48)
21M → 35K
5:14 | 7:00/mi
23M
2:33:07
Rank: #2712 (-123)
35K → 23M
9:04 | 7:14/mi
24M
2:40:15
Rank: #2829 (-117)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:46:39
Rank: #2951 (-122)
24M → 40K
6:24 | 7:29/mi
25.2M
2:49:25
Rank: #2996 (-45)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:56:47
Rank: #3138 (-142)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:19
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:32:28
Pace7:03 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4720:026:2720:02
6:27
-
10K
6.21 mi10:40:3439:496:2419:47
6:22
-0:05
15K
9.32 mi11:00:3059:456:2519:56
6:25
+0:03
20K
12.43 mi11:20:391:19:546:2620:09
6:29
+0:04
Half
13.11 mi11:25:041:24:196:264:25
6:28
-0:01
25K
15.53 mi11:41:011:40:166:2715:57
6:35
+0:07
30K
18.64 mi12:02:222:01:376:3121:21
6:52
+0:17
20M
20.00 mi12:11:572:11:126:349:35
7:03
+0:11
21M
21.00 mi12:19:342:18:496:377:37
7:37
+0:34
35K
21.75 mi12:24:482:24:036:375:14
7:00
-0:37
23M
23.00 mi12:33:522:33:076:399:04
7:14
+0:14
24M
24.00 mi12:41:002:40:156:417:08
7:08
-0:06
40K
24.85 mi12:47:242:46:396:426:24
7:29
+0:21
25.2M
25.20 mi12:50:102:49:256:432:46
8:01
+0:32
Finish
26.22 mi12:57:322:56:476:457:22
7:14
-0:47

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

6:22 /mi

Average Pace

6:45 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:16

57% of race

Time at Steady Pace

59:44

34% of race

Time at Slower Pace

16:47

9% of race

Average Pace: 6:45 /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 mi10:20:4720:026:2720:02
6:27
#2018
10K
6.21 mi10:40:3439:496:2419:47
6:22
#2025
15K
9.32 mi11:00:3059:456:2519:56
6:25
#2057
20K
12.43 mi11:20:391:19:546:2620:09
6:29
#2083
Half
13.11 mi11:25:041:24:196:264:25
6:28
#2104
25K
15.53 mi11:41:011:40:166:2715:57
6:35
#2165
30K
18.64 mi12:02:222:01:376:3121:21
6:52
#2346
20M
20.00 mi12:11:572:11:126:349:35
7:03
#2428
21M
21.00 mi12:19:342:18:496:377:37
7:37
#2541
35K
21.75 mi12:24:482:24:036:375:14
7:00
#2589
23M
23.00 mi12:33:522:33:076:399:04
7:14
#2712
24M
24.00 mi12:41:002:40:156:417:08
7:08
#2829
40K
24.85 mi12:47:242:46:396:426:24
7:29
#2951
25.2M
25.20 mi12:50:102:49:256:432:46
8:01
#2996
Finish
26.22 mi12:57:322:56:476:457:22
7:14
#3138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2018192519252186(Top 8%)2099(Top 14%)2099(Top 94%)
10K6.21 mi3.10 mi2025-71941-161941-162076(Top 8%)1987(Top 13%)1987(Top 89%)
15K9.32 mi3.11 mi2057-321972-311972-312186(Top 8%)2099(Top 14%)2099(Top 94%)
20K12.43 mi3.11 mi2083-261995-231995-232210(Top 8%)2121(Top 14%)2121(Top 95%)
Half13.11 mi0.68 mi2104-212015-202015-202651(Top 10%)2545(Top 17%)2545(Top 114%)
25K15.53 mi2.42 mi2165-612076-612076-612590(Top 10%)2479(Top 16%)2479(Top 111%)
30K18.64 mi3.11 mi2346-1812250-1742250-1743464(Top 13%)3255(Top 21%)3255(Top 145%)
20M20.00 mi1.36 mi2428-822324-742324-744308(Top 16%)3968(Top 26%)3968(Top 177%)
21M21.00 mi1.00 mi2541-1132432-1082432-1085145(Top 19%)4570(Top 30%)4570(Top 204%)
35K21.75 mi0.75 mi2589-482475-432475-435254(Top 20%)4682(Top 31%)4682(Top 209%)
23M23.00 mi1.25 mi2712-1232591-1162591-1164971(Top 19%)4441(Top 29%)4441(Top 198%)
24M24.00 mi1.00 mi2829-1172691-1002691-1005340(Top 20%)4665(Top 31%)4665(Top 208%)
40K24.85 mi0.85 mi2951-1222800-1092800-1096582(Top 25%)5370(Top 35%)5370(Top 240%)
25.2M25.20 mi0.35 mi2996-452840-402840-406511(Top 24%)5237(Top 35%)5237(Top 234%)
Finish26.22 mi1.02 mi3138-1422969-1292969-1296585(Top 25%)5296(Top 35%)5296(Top 236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2186

Males

2099

M40-44

2099

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2076

Males

1987

M40-44

1987

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2186

Males

2099

M40-44

2099

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2210

Males

2121

M40-44

2121

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2651

Males

2545

M40-44

2545

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2590

Males

2479

M40-44

2479

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3464

Males

3255

M40-44

3255

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4308

Males

3968

M40-44

3968

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5145

Males

4570

M40-44

4570

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5254

Males

4682

M40-44

4682

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4971

Males

4441

M40-44

4441

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5340

Males

4665

M40-44

4665

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6582

Males

5370

M40-44

5370

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6511

Males

5237

M40-44

5237

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6585

Males

5296

M40-44

5296

Passing Analysis

Category:
Athletes Passed
371
Passed By
1491
Net Change
-1120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2018
5K → 10K102109-7#2018#2025
10K → 15K5284-32#2025#2057
15K → 20K5480-26#2057#2083
20K → Half728-21#2083#2104
Half → 25K2586-61#2104#2165
25K → 30K22203-181#2165#2346
30K → 20M18100-82#2346#2428
20M → 21M11124-113#2428#2541
21M → 35K856-48#2541#2589
35K → 23M20143-123#2589#2712
23M → 24M16133-117#2712#2829
24M → 40K13135-122#2829#2951
40K → 25.2M954-45#2951#2996
25.2M → Finish14156-142#2996#3138
TOTALS3711491-1120
📊

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