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BOSTON MARATHON 2023

Søren Nyborg

Bib: 29595•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:48/mi
27:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
52:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:17:19
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:42:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:47:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:07:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:34:00
↑ 181↓ 1480.2%
20M
8:45/mi
2:45:53
↑ 64↓ 500.2%
21M
8:56/mi
2:54:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
3:00:58
↑ 17↓ 861.7%
23M
8:23/mi
3:11:28
↑ 23↓ 630.6%
24M
8:32/mi
3:20:00
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:27:26
↓ 200.3%
25.2M
8:54/mi
3:30:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:38:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:47
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:50:54
Pace8:28 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5727:218:4827:21
8:48
-
10K
6.21 mi12:16:1552:398:2825:18
8:09
-0:39
15K
9.32 mi12:40:551:17:198:1824:40
7:56
-0:13
20K
12.43 mi13:06:011:42:258:1425:06
8:05
+0:09
Half
13.11 mi13:11:231:47:478:135:22
7:52
-0:13
25K
15.53 mi13:31:152:07:398:1319:52
8:12
+0:20
30K
18.64 mi13:57:362:34:008:1626:21
8:29
+0:17
20M
20.00 mi14:09:292:45:538:1811:53
8:45
+0:16
21M
21.00 mi14:18:252:54:498:198:56
8:56
+0:11
35K
21.75 mi14:24:343:00:588:196:09
8:13
-0:43
23M
23.00 mi14:35:043:11:288:1910:30
8:23
+0:10
24M
24.00 mi14:43:363:20:008:208:32
8:32
+0:09
40K
24.85 mi14:51:023:27:268:217:26
8:42
+0:10
25.2M
25.20 mi14:54:063:30:308:213:04
8:54
+0:12
Finish
26.22 mi15:02:173:38:418:218:11
8:02
-0:52

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

7:52 /mi

Average Pace

8:21 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:01

73% of race

Time at Steady Pace

58:40

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:50:5727:218:4827:21
8:48
#19462
10K
6.21 mi12:16:1552:398:2825:18
8:09
#17729
15K
9.32 mi12:40:551:17:198:1824:40
7:56
#16478
20K
12.43 mi13:06:011:42:258:1425:06
8:05
#15857
Half
13.11 mi13:11:231:47:478:135:22
7:52
#15726
25K
15.53 mi13:31:152:07:398:1319:52
8:12
#15473
30K
18.64 mi13:57:362:34:008:1626:21
8:29
#15200
20M
20.00 mi14:09:292:45:538:1811:53
8:45
#15192
21M
21.00 mi14:18:252:54:498:198:56
8:56
#15055
35K
21.75 mi14:24:343:00:588:196:09
8:13
#14985
23M
23.00 mi14:35:043:11:288:1910:30
8:23
#14832
24M
24.00 mi14:43:363:20:008:208:32
8:32
#14794
40K
24.85 mi14:51:023:27:268:217:26
8:42
#14752
25.2M
25.20 mi14:54:063:30:308:213:04
8:54
#14696
Finish
26.22 mi15:02:173:38:418:218:11
8:02
#14603
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19462119511195113896(Top 52%)9854(Top 65%)9854(Top 186%)
10K6.21 mi3.10 mi17729+173311343+60811343+60815827(Top 59%)10642(Top 70%)10642(Top 201%)
15K9.32 mi3.11 mi16478+125110882+46110882+46113896(Top 52%)9854(Top 65%)9854(Top 186%)
20K12.43 mi3.11 mi15857+62110620+26210620+26214081(Top 53%)9913(Top 65%)9913(Top 188%)
Half13.11 mi0.68 mi15726+13110567+5310567+5313282(Top 50%)9612(Top 63%)9612(Top 182%)
25K15.53 mi2.42 mi15473+25310441+12610441+12614168(Top 53%)9831(Top 65%)9831(Top 186%)
30K18.64 mi3.11 mi15200+27310294+14710294+14714185(Top 53%)9726(Top 64%)9726(Top 184%)
20M20.00 mi1.36 mi15192+810272+2210272+2215112(Top 57%)10028(Top 66%)10028(Top 190%)
21M21.00 mi1.00 mi15055+13710202+7010202+7013014(Top 49%)9047(Top 60%)9047(Top 171%)
35K21.75 mi0.75 mi14985+7010162+4010162+4013565(Top 51%)9225(Top 61%)9225(Top 175%)
23M23.00 mi1.25 mi14832+15310076+8610076+8612486(Top 47%)8687(Top 57%)8687(Top 164%)
24M24.00 mi1.00 mi14794+3810046+3010046+3014654(Top 55%)9587(Top 63%)9587(Top 181%)
40K24.85 mi0.85 mi14752+4210002+4410002+4414446(Top 54%)9431(Top 62%)9431(Top 178%)
25.2M25.20 mi0.35 mi14696+569972+309972+3011873(Top 45%)8216(Top 54%)8216(Top 155%)
Finish26.22 mi1.02 mi14603+939922+509922+5012331(Top 46%)8445(Top 56%)8445(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13896

Males

9854

M18-39

9854

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15827

Males

10642

M18-39

10642

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13896

Males

9854

M18-39

9854

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14081

Males

9913

M18-39

9913

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13282

Males

9612

M18-39

9612

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14168

Males

9831

M18-39

9831

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14185

Males

9726

M18-39

9726

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15112

Males

10028

M18-39

10028

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13014

Males

9047

M18-39

9047

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13565

Males

9225

M18-39

9225

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12486

Males

8687

M18-39

8687

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14654

Males

9587

M18-39

9587

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14446

Males

9431

M18-39

9431

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11873

Males

8216

M18-39

8216

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12331

Males

8445

M18-39

8445

Passing Analysis

Category:
Athletes Passed
5236
Passed By
377
Net Change
+4859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19462
5K → 10K176229+1733#19462#17729
10K → 15K12598+1251#17729#16478
15K → 20K63110+621#16478#15857
20K → Half1343+131#15857#15726
Half → 25K27522+253#15726#15473
25K → 30K32956+273#15473#15200
30K → 20M9284+8#15200#15192
20M → 21M16124+137#15192#15055
21M → 35K8818+70#15055#14985
35K → 23M17118+153#14985#14832
23M → 24M7941+38#14832#14794
24M → 40K7634+42#14794#14752
40K → 25.2M648+56#14752#14696
25.2M → Finish11522+93#14696#14603
TOTALS5236377+4859
📊

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