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BOSTON MARATHON 2023

Casper Jensen

Bib: 692•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:26
Rank: #593
Start → 5K
18:26 | 5:56/mi
10K· 6.21 mi
36:58
Rank: #635 (-42)
5K → 10K
18:32 | 5:58/mi
15K· 9.32 mi
56:26
Rank: #842 (-207)
10K → 15K
19:28 | 6:16/mi
20K· 12.43 mi
1:16:01
Rank: #957 (-115)
15K → 20K
19:35 | 6:18/mi
Half· 13.11 mi
1:20:13
Rank: #967 (-10)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:38
Rank: #1188 (-221)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
1:58:37
Rank: #1607 (-419)
25K → 30K
21:59 | 7:05/mi
20M
2:08:03
Rank: #1679 (-72)
30K → 20M
9:26 | 6:57/mi
21M
2:15:26
Rank: #1763 (-84)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:21:06
Rank: #1947 (-184)
21M → 35K
5:40 | 7:34/mi
23M
2:30:52
Rank: #2224 (-277)
35K → 23M
9:46 | 7:48/mi
24M
2:38:42
Rank: #2432 (-208)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
2:45:52
Rank: #2739 (-307)
24M → 40K
7:10 | 8:23/mi
25.2M
2:49:02
Rank: #2903 (-164)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
2:55:56
Rank: #2909 (-6)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:13
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:35:43
Pace7:18 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3018:265:5618:26
5:56
-
10K
6.21 mi10:37:0236:585:5718:32
5:58
+0:02
15K
9.32 mi10:56:3056:266:0319:28
6:16
+0:18
20K
12.43 mi11:16:051:16:016:0719:35
6:18
+0:02
Half
13.11 mi11:20:171:20:136:074:12
6:09
-0:09
25K
15.53 mi11:36:421:36:386:1316:25
6:46
+0:37
30K
18.64 mi11:58:411:58:376:2221:59
7:05
+0:19
20M
20.00 mi12:08:072:08:036:249:26
6:57
-0:08
21M
21.00 mi12:15:302:15:266:277:23
7:23
+0:26
35K
21.75 mi12:21:102:21:066:295:40
7:34
+0:11
23M
23.00 mi12:30:562:30:526:349:46
7:48
+0:14
24M
24.00 mi12:38:462:38:426:377:50
7:50
+0:02
40K
24.85 mi12:45:562:45:526:407:10
8:23
+0:33
25.2M
25.20 mi12:49:062:49:026:423:10
9:11
+0:48
Finish
26.22 mi12:56:002:55:566:436:54
6:46
-2:25

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

5:56 /mi

Average Pace

6:43 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:13

46% of race

Time at Steady Pace

1:02:07

35% of race

Time at Slower Pace

33:36

19% of race

Average Pace: 6:43 /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 mi10:18:3018:265:5618:26
5:56
#593
10K
6.21 mi10:37:0236:585:5718:32
5:58
#635
15K
9.32 mi10:56:3056:266:0319:28
6:16
#842
20K
12.43 mi11:16:051:16:016:0719:35
6:18
#957
Half
13.11 mi11:20:171:20:136:074:12
6:09
#967
25K
15.53 mi11:36:421:36:386:1316:25
6:46
#1188
30K
18.64 mi11:58:411:58:376:2221:59
7:05
#1607
20M
20.00 mi12:08:072:08:036:249:26
6:57
#1679
21M
21.00 mi12:15:302:15:266:277:23
7:23
#1763
35K
21.75 mi12:21:102:21:066:295:40
7:34
#1947
23M
23.00 mi12:30:562:30:526:349:46
7:48
#2224
24M
24.00 mi12:38:462:38:426:377:50
7:50
#2432
40K
24.85 mi12:45:562:45:526:407:10
8:23
#2739
25.2M
25.20 mi12:49:062:49:026:423:10
9:11
#2903
Finish
26.22 mi12:56:002:55:566:436:54
6:46
#2909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5935505501506(Top 6%)1438(Top 9%)1438(Top 27%)
10K6.21 mi3.10 mi635-42591-41591-41732(Top 3%)688(Top 5%)688(Top 13%)
15K9.32 mi3.11 mi842-207794-203794-2031506(Top 6%)1438(Top 9%)1438(Top 27%)
20K12.43 mi3.11 mi957-115908-114908-1141404(Top 5%)1342(Top 9%)1342(Top 25%)
Half13.11 mi0.68 mi967-10917-9917-91230(Top 5%)1179(Top 8%)1179(Top 22%)
25K15.53 mi2.42 mi1188-2211133-2161133-2163876(Top 15%)3644(Top 24%)3644(Top 69%)
30K18.64 mi3.11 mi1607-4191538-4051538-4054790(Top 18%)4415(Top 29%)4415(Top 84%)
20M20.00 mi1.36 mi1679-721606-681606-683642(Top 14%)3394(Top 22%)3394(Top 64%)
21M21.00 mi1.00 mi1763-841688-821688-824031(Top 15%)3709(Top 24%)3709(Top 70%)
35K21.75 mi0.75 mi1947-1841865-1771865-1779014(Top 34%)7057(Top 47%)7057(Top 134%)
23M23.00 mi1.25 mi2224-2772132-2672132-2678371(Top 31%)6613(Top 44%)6613(Top 125%)
24M24.00 mi1.00 mi2432-2082327-1952327-1959992(Top 38%)7373(Top 49%)7373(Top 140%)
40K24.85 mi0.85 mi2739-3072606-2792606-27912538(Top 47%)8546(Top 56%)8546(Top 162%)
25.2M25.20 mi0.35 mi2903-1642756-1502756-15013425(Top 50%)8918(Top 59%)8918(Top 169%)
Finish26.22 mi1.02 mi2909-6275627563873(Top 15%)3429(Top 23%)3429(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1506

Males

1438

M18-39

1438

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

732

Males

688

M18-39

688

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1506

Males

1438

M18-39

1438

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1404

Males

1342

M18-39

1342

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1230

Males

1179

M18-39

1179

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3876

Males

3644

M18-39

3644

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4790

Males

4415

M18-39

4415

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3642

Males

3394

M18-39

3394

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4031

Males

3709

M18-39

3709

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9014

Males

7057

M18-39

7057

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8371

Males

6613

M18-39

6613

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9992

Males

7373

M18-39

7373

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12538

Males

8546

M18-39

8546

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13425

Males

8918

M18-39

8918

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3873

Males

3429

M18-39

3429

Passing Analysis

Category:
Athletes Passed
90
Passed By
2406
Net Change
-2316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#593
5K → 10K1153-42#593#635
10K → 15K1208-207#635#842
15K → 20K5120-115#842#957
20K → Half010-10#957#967
Half → 25K2223-221#967#1188
25K → 30K6425-419#1188#1607
30K → 20M779-72#1607#1679
20M → 21M690-84#1679#1763
21M → 35K1185-184#1763#1947
35K → 23M7284-277#1947#2224
23M → 24M3211-208#2224#2432
24M → 40K3310-307#2432#2739
40K → 25.2M1165-164#2739#2903
25.2M → Finish3743-6#2903#2909
TOTALS902406-2316
📊

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