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BOSTON MARATHON 2023

Keaton Naff

Bib: 939•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 0.9%
Gender (Male)
#0 / 15176
Top 1%
Division (M18-39)
#0 / 5285
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:30
Rank: #203
Start → 5K
17:30 | 5:38/mi
10K· 6.21 mi
35:21
Rank: #279 (-76)
5K → 10K
17:51 | 5:45/mi
15K· 9.32 mi
53:11
Rank: #286 (-7)
10K → 15K
17:50 | 5:44/mi
20K· 12.43 mi
1:11:07
Rank: #280 (+6)
15K → 20K
17:56 | 5:46/mi
Half· 13.11 mi
1:15:00
Rank: #280
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:28:51
Rank: #260 (+20)
Half → 25K
13:51 | 5:43/mi
30K· 18.64 mi
1:47:04
Rank: #244 (+16)
25K → 30K
18:13 | 5:52/mi
20M
1:55:06
Rank: #244
30K → 20M
8:02 | 5:55/mi
21M
2:01:23
Rank: #241 (+3)
20M → 21M
6:17 | 6:17/mi
35K· 21.75 mi
2:05:47
Rank: #243 (-2)
21M → 35K
4:24 | 5:53/mi
23M
2:13:25
Rank: #240 (+3)
35K → 23M
7:38 | 6:06/mi
24M
2:19:20
Rank: #241 (-1)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:24:35
Rank: #236 (+5)
24M → 40K
5:15 | 6:08/mi
25.2M
2:26:52
Rank: #237 (-1)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:32:54
Rank: #234 (+3)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:00
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:17:54
Pace5:57 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3817:305:3817:30
5:38
-
10K
6.21 mi10:35:2935:215:4117:51
5:45
+0:07
15K
9.32 mi10:53:1953:115:4217:50
5:44
-0:01
20K
12.43 mi11:11:151:11:075:4317:56
5:46
+0:02
Half
13.11 mi11:15:081:15:005:433:53
5:42
-0:04
25K
15.53 mi11:28:591:28:515:4313:51
5:43
+0:01
30K
18.64 mi11:47:121:47:045:4518:13
5:52
+0:09
20M
20.00 mi11:55:141:55:065:458:02
5:55
+0:03
21M
21.00 mi12:01:312:01:235:476:17
6:17
+0:22
35K
21.75 mi12:05:552:05:475:474:24
5:53
-0:24
23M
23.00 mi12:13:332:13:255:487:38
6:06
+0:13
24M
24.00 mi12:19:282:19:205:485:55
5:55
-0:11
40K
24.85 mi12:24:432:24:355:495:15
6:08
+0:13
25.2M
25.20 mi12:27:002:26:525:502:17
6:37
+0:29
Finish
26.22 mi12:33:022:32:545:506:02
5:55
-0:42

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

5:38 /mi

Average Pace

5:50 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:20

94% of race

Time at Steady Pace

8:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:50 /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 mi10:17:3817:305:3817:30
5:38
#203
10K
6.21 mi10:35:2935:215:4117:51
5:45
#279
15K
9.32 mi10:53:1953:115:4217:50
5:44
#286
20K
12.43 mi11:11:151:11:075:4317:56
5:46
#280
Half
13.11 mi11:15:081:15:005:433:53
5:42
#280
25K
15.53 mi11:28:591:28:515:4313:51
5:43
#260
30K
18.64 mi11:47:121:47:045:4518:13
5:52
#244
20M
20.00 mi11:55:141:55:065:458:02
5:55
#244
21M
21.00 mi12:01:312:01:235:476:17
6:17
#241
35K
21.75 mi12:05:552:05:475:474:24
5:53
#243
23M
23.00 mi12:13:332:13:255:487:38
6:06
#240
24M
24.00 mi12:19:282:19:205:485:55
5:55
#241
40K
24.85 mi12:24:432:24:355:495:15
6:08
#236
25.2M
25.20 mi12:27:002:26:525:502:17
6:37
#237
Finish
26.22 mi12:33:022:32:545:506:02
5:55
#234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi203203203303(Top 1%)270(Top 2%)270(Top 5%)
10K6.21 mi3.10 mi279-76252-49252-49368(Top 1%)333(Top 2%)333(Top 6%)
15K9.32 mi3.11 mi286-7258-6258-6303(Top 1%)270(Top 2%)270(Top 5%)
20K12.43 mi3.11 mi280+6252+6252+6263(Top 1.0%)235(Top 2%)235(Top 4%)
Half13.11 mi0.68 mi280252252267(Top 1%)245(Top 2%)245(Top 5%)
25K15.53 mi2.42 mi260+20232+20232+20186(Top 0.7%)164(Top 1%)164(Top 3%)
30K18.64 mi3.11 mi244+16219+13219+13207(Top 0.8%)184(Top 1%)184(Top 3%)
20M20.00 mi1.36 mi244219219256(Top 1.0%)232(Top 2%)232(Top 4%)
21M21.00 mi1.00 mi241+3215+4215+4323(Top 1%)296(Top 2%)296(Top 6%)
35K21.75 mi0.75 mi243-2217-2217-2465(Top 2%)430(Top 3%)430(Top 8%)
23M23.00 mi1.25 mi240+3214+3214+3447(Top 2%)417(Top 3%)417(Top 8%)
24M24.00 mi1.00 mi241-1215-1215-1401(Top 2%)375(Top 2%)375(Top 7%)
40K24.85 mi0.85 mi236+5211+4211+4540(Top 2%)509(Top 3%)509(Top 10%)
25.2M25.20 mi0.35 mi237-1212-1212-1660(Top 2%)625(Top 4%)625(Top 12%)
Finish26.22 mi1.02 mi234+3208+4208+4557(Top 2%)528(Top 3%)528(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

303

Males

270

M18-39

270

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

368

Males

333

M18-39

333

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

303

Males

270

M18-39

270

15K→20K

9.3 - 12.4 mi

Top 1.0%
×5stories
+106ft-86ft

Overall

263

Males

235

M18-39

235

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

267

Males

245

M18-39

245

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

186

Males

164

M18-39

164

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

207

Males

184

M18-39

184

30K→20M

18.6 - 20.0 mi

Top 1.0%
×5stories
+64ft-50ft

Overall

256

Males

232

M18-39

232

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

323

Males

296

M18-39

296

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

465

Males

430

M18-39

430

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

447

Males

417

M18-39

417

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

401

Males

375

M18-39

375

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

540

Males

509

M18-39

509

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

660

Males

625

M18-39

625

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

557

Males

528

M18-39

528

Passing Analysis

Category:
Athletes Passed
108
Passed By
139
Net Change
-31
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#203
5K → 10K177-76#203#279
10K → 15K613-7#279#286
15K → 20K115+6#286#280
20K → Half220#280#280
Half → 25K211+20#280#260
25K → 30K193+16#260#244
30K → 20M770#244#244
20M → 21M118+3#244#241
21M → 35K46-2#241#243
35K → 23M63+3#243#240
23M → 24M56-1#240#241
24M → 40K83+5#241#236
40K → 25.2M23-1#236#237
25.2M → Finish52+3#237#234
TOTALS108139-31
📊

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