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BOSTON MARATHON 2023

Kent Smith

Bib: 329•M

IL

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
17:34
Rank: #225
Start → 5K
17:34 | 5:39/mi
10K· 6.21 mi
35:20
Rank: #274 (-49)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:16
Rank: #305 (-31)
10K → 15K
17:56 | 5:46/mi
20K· 12.43 mi
1:11:10
Rank: #287 (+18)
15K → 20K
17:54 | 5:46/mi
Half· 13.11 mi
1:15:02
Rank: #284 (+3)
20K → Half
3:52 | 5:40/mi
25K· 15.53 mi
1:29:04
Rank: #281 (+3)
Half → 25K
14:02 | 5:47/mi
30K· 18.64 mi
1:47:24
Rank: #270 (+11)
25K → 30K
18:20 | 5:54/mi
20M
1:55:29
Rank: #266 (+4)
30K → 20M
8:05 | 5:57/mi
21M
2:01:48
Rank: #263 (+3)
20M → 21M
6:19 | 6:19/mi
35K· 21.75 mi
2:06:07
Rank: #261 (+2)
21M → 35K
4:19 | 5:46/mi
23M
2:13:35
Rank: #251 (+10)
35K → 23M
7:28 | 5:58/mi
24M
2:19:17
Rank: #234 (+17)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:24:19
Rank: #228 (+6)
24M → 40K
5:02 | 5:53/mi
25.2M
2:26:31
Rank: #225 (+3)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:32:24
Rank: #222 (+3)
25.2M → Finish
5:53 | 5:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:02
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:17:22
Pace5:54 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4017:345:3917:34
5:39
-
10K
6.21 mi10:35:2635:205:4117:46
5:43
+0:04
15K
9.32 mi10:53:2253:165:4317:56
5:46
+0:03
20K
12.43 mi11:11:161:11:105:4417:54
5:46
0:00
Half
13.11 mi11:15:081:15:025:433:52
5:40
-0:06
25K
15.53 mi11:29:101:29:045:4414:02
5:47
+0:07
30K
18.64 mi11:47:301:47:245:4618:20
5:54
+0:07
20M
20.00 mi11:55:351:55:295:468:05
5:57
+0:03
21M
21.00 mi12:01:542:01:485:486:19
6:19
+0:22
35K
21.75 mi12:06:132:06:075:484:19
5:46
-0:33
23M
23.00 mi12:13:412:13:355:487:28
5:58
+0:12
24M
24.00 mi12:19:232:19:175:485:42
5:42
-0:16
40K
24.85 mi12:24:252:24:195:485:02
5:53
+0:11
25.2M
25.20 mi12:26:372:26:315:492:12
6:23
+0:30
Finish
26.22 mi12:32:302:32:245:495:53
5:46
-0:37

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

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:53

94% of race

Time at Steady Pace

8:31

6% 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 mi10:17:4017:345:3917:34
5:39
#225
10K
6.21 mi10:35:2635:205:4117:46
5:43
#274
15K
9.32 mi10:53:2253:165:4317:56
5:46
#305
20K
12.43 mi11:11:161:11:105:4417:54
5:46
#287
Half
13.11 mi11:15:081:15:025:433:52
5:40
#284
25K
15.53 mi11:29:101:29:045:4414:02
5:47
#281
30K
18.64 mi11:47:301:47:245:4618:20
5:54
#270
20M
20.00 mi11:55:351:55:295:468:05
5:57
#266
21M
21.00 mi12:01:542:01:485:486:19
6:19
#263
35K
21.75 mi12:06:132:06:075:484:19
5:46
#261
23M
23.00 mi12:13:412:13:355:487:28
5:58
#251
24M
24.00 mi12:19:232:19:175:485:42
5:42
#234
40K
24.85 mi12:24:252:24:195:485:02
5:53
#228
25.2M
25.20 mi12:26:372:26:315:492:12
6:23
#225
Finish
26.22 mi12:32:302:32:245:495:53
5:46
#222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi225225225341(Top 1%)308(Top 2%)308(Top 6%)
10K6.21 mi3.10 mi274-49247-22247-22328(Top 1%)294(Top 2%)294(Top 6%)
15K9.32 mi3.11 mi305-31274-27274-27341(Top 1%)308(Top 2%)308(Top 6%)
20K12.43 mi3.11 mi287+18259+15259+15249(Top 0.9%)222(Top 1%)222(Top 4%)
Half13.11 mi0.68 mi284+3256+3256+3242(Top 0.9%)220(Top 1%)220(Top 4%)
25K15.53 mi2.42 mi281+3253+3253+3258(Top 1.0%)232(Top 2%)232(Top 4%)
30K18.64 mi3.11 mi270+11242+11242+11253(Top 1.0%)229(Top 2%)229(Top 4%)
20M20.00 mi1.36 mi266+4239+3239+3289(Top 1%)264(Top 2%)264(Top 5%)
21M21.00 mi1.00 mi263+3237+2237+2358(Top 1%)329(Top 2%)329(Top 6%)
35K21.75 mi0.75 mi261+2235+2235+2298(Top 1%)272(Top 2%)272(Top 5%)
23M23.00 mi1.25 mi251+10225+10225+10274(Top 1%)249(Top 2%)249(Top 5%)
24M24.00 mi1.00 mi234+17209+16209+16168(Top 0.6%)146(Top 1.0%)146(Top 3%)
40K24.85 mi0.85 mi228+6203+6203+6203(Top 0.8%)181(Top 1%)181(Top 3%)
25.2M25.20 mi0.35 mi225+3200+3200+3302(Top 1%)281(Top 2%)281(Top 5%)
Finish26.22 mi1.02 mi222+3197+3197+3319(Top 1%)301(Top 2%)301(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

341

Males

308

M18-39

308

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

328

Males

294

M18-39

294

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

341

Males

308

M18-39

308

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5stories
+106ft-86ft

Overall

249

Males

222

M18-39

222

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

242

Males

220

M18-39

220

Half→25K

13.1 - 15.5 mi

Top 1.0%
×4stories
+66ft-88ft

Overall

258

Males

232

M18-39

232

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9stories
+181ft-148ft

Overall

253

Males

229

M18-39

229

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

289

Males

264

M18-39

264

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

358

Males

329

M18-39

329

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

298

Males

272

M18-39

272

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

274

Males

249

M18-39

249

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

168

Males

146

M18-39

146

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

203

Males

181

M18-39

181

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

302

Males

281

M18-39

281

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

319

Males

301

M18-39

301

Passing Analysis

Category:
Athletes Passed
129
Passed By
126
Net Change
+3
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#225
5K → 10K1160-49#225#274
10K → 15K435-31#274#305
15K → 20K213+18#305#287
20K → Half30+3#287#284
Half → 25K96+3#284#281
25K → 30K165+11#281#270
30K → 20M62+4#270#266
20M → 21M85+3#266#263
21M → 35K53+2#263#261
35K → 23M133+10#261#251
23M → 24M181+17#251#234
24M → 40K60+6#234#228
40K → 25.2M30+3#228#225
25.2M → Finish63+3#225#222
TOTALS129126+3
📊

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