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BOSTON MARATHON 2023

Scott Kulm

Bib: 674•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 0.8%
Gender (Male)
#0 / 15176
Top 1%
Division (M18-39)
#0 / 5285
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:04
Rank: #406
Start → 5K
18:04 | 5:49/mi
10K· 6.21 mi
35:56
Rank: #391 (+15)
5K → 10K
17:52 | 5:45/mi
15K· 9.32 mi
54:07
Rank: #388 (+3)
10K → 15K
18:11 | 5:51/mi
20K· 12.43 mi
1:12:11
Rank: #371 (+17)
15K → 20K
18:04 | 5:49/mi
Half· 13.11 mi
1:16:02
Rank: #363 (+8)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:30:03
Rank: #339 (+24)
Half → 25K
14:01 | 5:47/mi
30K· 18.64 mi
1:48:08
Rank: #308 (+31)
25K → 30K
18:05 | 5:49/mi
20M
1:56:00
Rank: #293 (+15)
30K → 20M
7:52 | 5:47/mi
21M
2:02:06
Rank: #281 (+12)
20M → 21M
6:06 | 6:06/mi
35K· 21.75 mi
2:06:22
Rank: #275 (+6)
21M → 35K
4:16 | 5:42/mi
23M
2:13:41
Rank: #257 (+18)
35K → 23M
7:19 | 5:51/mi
24M
2:19:23
Rank: #242 (+15)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:24:27
Rank: #229 (+13)
24M → 40K
5:04 | 5:56/mi
25.2M
2:26:37
Rank: #229
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:32:28
Rank: #226 (+3)
25.2M → Finish
5:51 | 5:44/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:16:02
Pace5:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:16:26
Pace5:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1218:045:4918:04
5:49
-
10K
6.21 mi10:36:0435:565:4717:52
5:45
-0:04
15K
9.32 mi10:54:1554:075:4818:11
5:51
+0:06
20K
12.43 mi11:12:191:12:115:4918:04
5:49
-0:02
Half
13.11 mi11:16:101:16:025:483:51
5:39
-0:10
25K
15.53 mi11:30:111:30:035:4814:01
5:47
+0:08
30K
18.64 mi11:48:161:48:085:4818:05
5:49
+0:02
20M
20.00 mi11:56:081:56:005:487:52
5:47
-0:02
21M
21.00 mi12:02:142:02:065:496:06
6:06
+0:19
35K
21.75 mi12:06:302:06:225:494:16
5:42
-0:24
23M
23.00 mi12:13:492:13:415:497:19
5:51
+0:09
24M
24.00 mi12:19:312:19:235:485:42
5:42
-0:09
40K
24.85 mi12:24:352:24:275:495:04
5:56
+0:14
25.2M
25.20 mi12:26:452:26:375:492:10
6:17
+0:21
Finish
26.22 mi12:32:362:32:285:495:51
5:44
-0:33

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

5:39 /mi

Average Pace

5:49 /mi

Slowest Pace

6:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:18

99% of race

Time at Steady Pace

2:10

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:49 /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 mi10:18:1218:045:4918:04
5:49
#406
10K
6.21 mi10:36:0435:565:4717:52
5:45
#391
15K
9.32 mi10:54:1554:075:4818:11
5:51
#388
20K
12.43 mi11:12:191:12:115:4918:04
5:49
#371
Half
13.11 mi11:16:101:16:025:483:51
5:39
#363
25K
15.53 mi11:30:111:30:035:4814:01
5:47
#339
30K
18.64 mi11:48:161:48:085:4818:05
5:49
#308
20M
20.00 mi11:56:081:56:005:487:52
5:47
#293
21M
21.00 mi12:02:142:02:065:496:06
6:06
#281
35K
21.75 mi12:06:302:06:225:494:16
5:42
#275
23M
23.00 mi12:13:492:13:415:497:19
5:51
#257
24M
24.00 mi12:19:312:19:235:485:42
5:42
#242
40K
24.85 mi12:24:352:24:275:495:04
5:56
#229
25.2M
25.20 mi12:26:452:26:375:492:10
6:17
#229
Finish
26.22 mi12:32:362:32:285:495:51
5:44
#226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi406371371429(Top 2%)395(Top 3%)395(Top 7%)
10K6.21 mi3.10 mi391+15356+15356+15375(Top 1%)340(Top 2%)340(Top 6%)
15K9.32 mi3.11 mi388+3353+3353+3429(Top 2%)395(Top 3%)395(Top 7%)
20K12.43 mi3.11 mi371+17336+17336+17323(Top 1%)291(Top 2%)291(Top 6%)
Half13.11 mi0.68 mi363+8330+6330+6221(Top 0.8%)199(Top 1%)199(Top 4%)
25K15.53 mi2.42 mi339+24307+23307+23243(Top 0.9%)220(Top 1%)220(Top 4%)
30K18.64 mi3.11 mi308+31276+31276+31171(Top 0.6%)148(Top 1.0%)148(Top 3%)
20M20.00 mi1.36 mi293+15262+14262+14155(Top 0.6%)133(Top 0.9%)133(Top 3%)
21M21.00 mi1.00 mi281+12253+9253+9160(Top 0.6%)140(Top 0.9%)140(Top 3%)
35K21.75 mi0.75 mi275+6247+6247+6227(Top 0.9%)204(Top 1%)204(Top 4%)
23M23.00 mi1.25 mi257+18231+16231+16163(Top 0.6%)141(Top 0.9%)141(Top 3%)
24M24.00 mi1.00 mi242+15216+15216+15169(Top 0.6%)147(Top 1.0%)147(Top 3%)
40K24.85 mi0.85 mi229+13204+12204+12237(Top 0.9%)214(Top 1%)214(Top 4%)
25.2M25.20 mi0.35 mi229204204208(Top 0.8%)189(Top 1%)189(Top 4%)
Finish26.22 mi1.02 mi226+3201+3201+3283(Top 1%)265(Top 2%)265(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

429

Males

395

M18-39

395

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

375

Males

340

M18-39

340

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

429

Males

395

M18-39

395

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

323

Males

291

M18-39

291

20K→Half

12.4 - 13.1 mi

Top 0.8%
×2stories
+19ft-37ft

Overall

221

Males

199

M18-39

199

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

243

Males

220

M18-39

220

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

171

Males

148

M18-39

148

30K→20M

18.6 - 20.0 mi

Top 0.6%
×5stories
+64ft-50ft

Overall

155

Males

133

M18-39

133

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

160

Males

140

M18-39

140

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

227

Males

204

M18-39

204

35K→23M

21.8 - 23.0 mi

Top 0.6%
×5stories
+23ft-63ft

Overall

163

Males

141

M18-39

141

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

169

Males

147

M18-39

147

24M→40K

24.0 - 24.9 mi

Top 0.9%
×1story
+6ft-20ft

Overall

237

Males

214

M18-39

214

40K→25.2M

24.9 - 25.2 mi

Top 0.8%
×1story
+13ft-16ft

Overall

208

Males

189

M18-39

189

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

283

Males

265

M18-39

265

Passing Analysis

Category:
Athletes Passed
211
Passed By
31
Net Change
+180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#406
5K → 10K2611+15#406#391
10K → 15K129+3#391#388
15K → 20K192+17#388#371
20K → Half80+8#371#363
Half → 25K251+24#363#339
25K → 30K321+31#339#308
30K → 20M150+15#308#293
20M → 21M153+12#293#281
21M → 35K60+6#281#275
35K → 23M180+18#275#257
23M → 24M161+15#257#242
24M → 40K130+13#242#229
40K → 25.2M110#229#229
25.2M → Finish52+3#229#226
TOTALS21131+180
📊

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