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BOSTON MARATHON 2023

Kasper Rørdam

Bib: 31618 M DK

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:30/mi
20:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:44/mi
41:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:44/mi
1:02:01
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:42/mi
1:22:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:39/mi
1:27:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:54/mi
1:44:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:06/mi
2:06:11
↑ 181↓ 1480.2%
138 ft elev
20M
7:22/mi
2:16:12
↑ 64↓ 500.2%
148 ft elev
21M
7:48/mi
2:24:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:29/mi
2:29:36
↑ 17↓ 861.7%
156 ft elev
23M
7:48/mi
2:39:22
↑ 23↓ 630.6%
116 ft elev
24M
9:03/mi
2:48:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:59/mi
2:56:06
↓ 200.3%
20 ft elev
25.2M
10:41/mi
2:59:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:03/mi
3:07:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:40:36
Pace7:40 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:1820:136:3020:13
6:30
-
10K
6.21 mi11:57:1241:076:3720:54
6:44
+0:14
15K
9.32 mi12:18:061:02:016:3920:54
6:44
0:00
20K
12.43 mi12:38:561:22:516:4020:50
6:42
-0:02
Half
13.11 mi12:43:281:27:236:404:32
6:39
-0:03
25K
15.53 mi13:00:111:44:066:4216:43
6:54
+0:15
30K
18.64 mi13:22:162:06:116:4622:05
7:06
+0:12
20M
20.00 mi13:32:172:16:126:4910:01
7:22
+0:16
21M
21.00 mi13:40:052:24:006:517:48
7:48
+0:26
35K
21.75 mi13:45:412:29:366:535:36
7:29
-0:19
23M
23.00 mi13:55:272:39:226:569:46
7:48
+0:19
24M
24.00 mi14:04:302:48:257:019:03
9:03
+1:15
40K
24.85 mi14:12:112:56:067:057:41
8:59
-0:04
25.2M
25.20 mi14:15:522:59:477:083:41
10:41
+1:42
Finish
26.22 mi14:24:043:07:597:108:12
8:03
-2:38

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

6:30 /mi

Average Pace

7:10 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:23

46% of race

Time at Steady Pace

1:11:59

38% of race

Time at Slower Pace

28:37

15% of race

Average Pace: 7:10 /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 mi11:36:1820:136:3020:13
6:30
#2322
10K
6.21 mi11:57:1241:076:3720:54
6:44
#3294
15K
9.32 mi12:18:061:02:016:3920:54
6:44
#3597
20K
12.43 mi12:38:561:22:516:4020:50
6:42
#3575
Half
13.11 mi12:43:281:27:236:404:32
6:39
#3579
25K
15.53 mi13:00:111:44:066:4216:43
6:54
#3789
30K
18.64 mi13:22:162:06:116:4622:05
7:06
#4034
20M
20.00 mi13:32:172:16:126:4910:01
7:22
#4246
21M
21.00 mi13:40:052:24:006:517:48
7:48
#4386
35K
21.75 mi13:45:412:29:366:535:36
7:29
#4565
23M
23.00 mi13:55:272:39:226:569:46
7:48
#4774
24M
24.00 mi14:04:302:48:257:019:03
9:03
#5255
40K
24.85 mi14:12:112:56:067:057:41
8:59
#5563
25.2M
25.20 mi14:15:522:59:477:083:41
10:41
#5757
Finish
26.22 mi14:24:043:07:597:108:12
8:03
#5929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2322221422144407(Top 17%)4126(Top 27%)4126(Top 78%)
10K6.21 mi3.10 mi3294-9723123-9093123-9094621(Top 17%)4309(Top 28%)4309(Top 82%)
15K9.32 mi3.11 mi3597-3033399-2763399-2764407(Top 17%)4126(Top 27%)4126(Top 78%)
20K12.43 mi3.11 mi3575+223385+143385+143639(Top 14%)3444(Top 23%)3444(Top 65%)
Half13.11 mi0.68 mi3579-43389-43389-43887(Top 15%)3671(Top 24%)3671(Top 69%)
25K15.53 mi2.42 mi3789-2103580-1913580-1914935(Top 19%)4568(Top 30%)4568(Top 86%)
30K18.64 mi3.11 mi4034-2453794-2143794-2144982(Top 19%)4581(Top 30%)4581(Top 87%)
20M20.00 mi1.36 mi4246-2123982-1883982-1886024(Top 23%)5309(Top 35%)5309(Top 100%)
21M21.00 mi1.00 mi4386-1404098-1164098-1166157(Top 23%)5305(Top 35%)5305(Top 100%)
35K21.75 mi0.75 mi4565-1794253-1554253-1558374(Top 31%)6705(Top 44%)6705(Top 127%)
23M23.00 mi1.25 mi4774-2094434-1814434-1818379(Top 31%)6621(Top 44%)6621(Top 125%)
24M24.00 mi1.00 mi5255-4814823-3894823-38917421(Top 65%)10802(Top 71%)10802(Top 204%)
40K24.85 mi0.85 mi5563-3085067-2445067-24416027(Top 60%)10124(Top 67%)10124(Top 192%)
25.2M25.20 mi0.35 mi5757-1945204-1375204-13719591(Top 74%)11715(Top 77%)11715(Top 222%)
Finish26.22 mi1.02 mi5929-1725331-1275331-12712393(Top 47%)8461(Top 56%)8461(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4407

Males

4126

M18-39

4126

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4621

Males

4309

M18-39

4309

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4407

Males

4126

M18-39

4126

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3639

Males

3444

M18-39

3444

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3887

Males

3671

M18-39

3671

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

4935

Males

4568

M18-39

4568

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

4982

Males

4581

M18-39

4581

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6024

Males

5309

M18-39

5309

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6157

Males

5305

M18-39

5305

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8374

Males

6705

M18-39

6705

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8379

Males

6621

M18-39

6621

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17421

Males

10802

M18-39

10802

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16027

Males

10124

M18-39

10124

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19591

Males

11715

M18-39

11715

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12393

Males

8461

M18-39

8461

Passing Analysis

Category:
Athletes Passed
343
Passed By
3950
Net Change
-3607
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2322
5K → 10K4976-972#2322#3294
10K → 15K25328-303#3294#3597
15K → 20K9270+22#3597#3575
20K → Half1822-4#3575#3579
Half → 25K34244-210#3579#3789
25K → 30K54299-245#3789#4034
30K → 20M17229-212#4034#4246
20M → 21M28168-140#4246#4386
21M → 35K15194-179#4386#4565
35K → 23M28237-209#4565#4774
23M → 24M3484-481#4774#5255
24M → 40K4312-308#5255#5563
40K → 25.2M0194-194#5563#5757
25.2M → Finish21193-172#5757#5929
TOTALS3433950-3607
📊

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