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BOSTON MARATHON 2023

Kip Nielsen

Bib: 2839•M

KS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #1700
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:21
Rank: #1706 (-6)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
58:54
Rank: #1663 (+43)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:18:50
Rank: #1706 (-43)
15K → 20K
19:56 | 6:25/mi
Half· 13.11 mi
1:23:10
Rank: #1712 (-6)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:38:42
Rank: #1718 (-6)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:58:54
Rank: #1653 (+65)
25K → 30K
20:12 | 6:30/mi
20M
2:07:40
Rank: #1622 (+31)
30K → 20M
8:46 | 6:27/mi
21M
2:14:22
Rank: #1564 (+58)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:19:06
Rank: #1563 (+1)
21M → 35K
4:44 | 6:20/mi
23M
2:27:02
Rank: #1491 (+72)
35K → 23M
7:56 | 6:20/mi
24M
2:33:13
Rank: #1443 (+48)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:38:28
Rank: #1384 (+59)
24M → 40K
5:15 | 6:08/mi
25.2M
2:40:38
Rank: #1349 (+35)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:46:43
Rank: #1284 (+65)
25.2M → Finish
6:05 | 5:58/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:10
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3519:486:2219:48
6:22
-
10K
6.21 mi10:40:0839:216:2019:33
6:18
-0:04
15K
9.32 mi10:59:4158:546:1919:33
6:18
0:00
20K
12.43 mi11:19:371:18:506:2119:56
6:25
+0:07
Half
13.11 mi11:23:571:23:106:214:20
6:21
-0:04
25K
15.53 mi11:39:291:38:426:2115:32
6:24
+0:03
30K
18.64 mi11:59:411:58:546:2320:12
6:30
+0:06
20M
20.00 mi12:08:272:07:406:238:46
6:27
-0:03
21M
21.00 mi12:15:092:14:226:246:42
6:42
+0:15
35K
21.75 mi12:19:532:19:066:244:44
6:20
-0:22
23M
23.00 mi12:27:492:27:026:247:56
6:20
0:00
24M
24.00 mi12:34:002:33:136:236:11
6:11
-0:09
40K
24.85 mi12:39:152:38:286:235:15
6:08
-0:03
25.2M
25.20 mi12:41:252:40:386:222:10
6:17
+0:09
Finish
26.22 mi12:47:302:46:436:226:05
5:58
-0:19

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

5:58 /mi

Average Pace

6:22 /mi

Slowest Pace

6:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:01

96% of race

Time at Steady Pace

6:42

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:20:3519:486:2219:48
6:22
#1700
10K
6.21 mi10:40:0839:216:2019:33
6:18
#1706
15K
9.32 mi10:59:4158:546:1919:33
6:18
#1663
20K
12.43 mi11:19:371:18:506:2119:56
6:25
#1706
Half
13.11 mi11:23:571:23:106:214:20
6:21
#1712
25K
15.53 mi11:39:291:38:426:2115:32
6:24
#1718
30K
18.64 mi11:59:411:58:546:2320:12
6:30
#1653
20M
20.00 mi12:08:272:07:406:238:46
6:27
#1622
21M
21.00 mi12:15:092:14:226:246:42
6:42
#1564
35K
21.75 mi12:19:532:19:066:244:44
6:20
#1563
23M
23.00 mi12:27:492:27:026:247:56
6:20
#1491
24M
24.00 mi12:34:002:33:136:236:11
6:11
#1443
40K
24.85 mi12:39:152:38:286:235:15
6:08
#1384
25.2M
25.20 mi12:41:252:40:386:222:10
6:17
#1349
Finish
26.22 mi12:47:302:46:436:226:05
5:58
#1284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1700162016201617(Top 6%)1544(Top 10%)1544(Top 29%)
10K6.21 mi3.10 mi1706-61629-91629-91740(Top 7%)1664(Top 11%)1664(Top 31%)
15K9.32 mi3.11 mi1663+431590+391590+391617(Top 6%)1544(Top 10%)1544(Top 29%)
20K12.43 mi3.11 mi1706-431632-421632-421855(Top 7%)1778(Top 12%)1778(Top 34%)
Half13.11 mi0.68 mi1712-61639-71639-71952(Top 7%)1875(Top 12%)1875(Top 35%)
25K15.53 mi2.42 mi1718-61645-61645-61731(Top 7%)1657(Top 11%)1657(Top 31%)
30K18.64 mi3.11 mi1653+651578+671578+671550(Top 6%)1483(Top 10%)1483(Top 28%)
20M20.00 mi1.36 mi1622+311551+271551+271280(Top 5%)1219(Top 8%)1219(Top 23%)
21M21.00 mi1.00 mi1564+581495+561495+561096(Top 4%)1042(Top 7%)1042(Top 20%)
35K21.75 mi0.75 mi1563+11494+11494+11645(Top 6%)1563(Top 10%)1563(Top 30%)
23M23.00 mi1.25 mi1491+721423+711423+71930(Top 3%)885(Top 6%)885(Top 17%)
24M24.00 mi1.00 mi1443+481377+461377+46978(Top 4%)927(Top 6%)927(Top 18%)
40K24.85 mi0.85 mi1384+591319+581319+58563(Top 2%)532(Top 4%)532(Top 10%)
25.2M25.20 mi0.35 mi1349+351285+341285+34233(Top 0.9%)214(Top 1%)214(Top 4%)
Finish26.22 mi1.02 mi1284+651223+621223+62661(Top 2%)630(Top 4%)630(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1617

Males

1544

M18-39

1544

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1740

Males

1664

M18-39

1664

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1617

Males

1544

M18-39

1544

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1855

Males

1778

M18-39

1778

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1952

Males

1875

M18-39

1875

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1731

Males

1657

M18-39

1657

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1550

Males

1483

M18-39

1483

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1280

Males

1219

M18-39

1219

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1096

Males

1042

M18-39

1042

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1645

Males

1563

M18-39

1563

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

930

Males

885

M18-39

885

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

978

Males

927

M18-39

927

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

563

Males

532

M18-39

532

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

233

Males

214

M18-39

214

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

661

Males

630

M18-39

630

Passing Analysis

Category:
Athletes Passed
733
Passed By
317
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1700
5K → 10K9096-6#1700#1706
10K → 15K7936+43#1706#1663
15K → 20K3578-43#1663#1706
20K → Half915-6#1706#1712
Half → 25K2935-6#1712#1718
25K → 30K8823+65#1718#1653
30K → 20M376+31#1653#1622
20M → 21M624+58#1622#1564
21M → 35K1211+1#1564#1563
35K → 23M742+72#1563#1491
23M → 24M546+48#1491#1443
24M → 40K612+59#1443#1384
40K → 25.2M361+35#1384#1349
25.2M → Finish672+65#1349#1284
TOTALS733317+416
📊

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