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BOSTON MARATHON 2023

Alex White

Bib: 1257•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:08
Rank: #433
Start → 5K
18:08 | 5:50/mi
10K· 6.21 mi
36:23
Rank: #474 (-41)
5K → 10K
18:15 | 5:52/mi
15K· 9.32 mi
54:52
Rank: #520 (-46)
10K → 15K
18:29 | 5:57/mi
20K· 12.43 mi
1:13:30
Rank: #523 (-3)
15K → 20K
18:38 | 6:00/mi
Half· 13.11 mi
1:17:28
Rank: #519 (+4)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:32:03
Rank: #523 (-4)
Half → 25K
14:35 | 6:01/mi
30K· 18.64 mi
1:50:24
Rank: #460 (+63)
25K → 30K
18:21 | 5:54/mi
20M
1:58:30
Rank: #445 (+15)
30K → 20M
8:06 | 5:58/mi
21M
2:04:47
Rank: #434 (+11)
20M → 21M
6:17 | 6:17/mi
35K· 21.75 mi
2:09:03
Rank: #423 (+11)
21M → 35K
4:16 | 5:42/mi
23M
2:16:31
Rank: #405 (+18)
35K → 23M
7:28 | 5:58/mi
24M
2:22:16
Rank: #385 (+20)
23M → 24M
5:45 | 5:45/mi
40K· 24.85 mi
2:27:20
Rank: #369 (+16)
24M → 40K
5:04 | 5:56/mi
25.2M
2:29:31
Rank: #361 (+8)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:35:19
Rank: #339 (+22)
25.2M → Finish
5:48 | 5:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:17:28
Pace5:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:17:51
Pace5:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2818:085:5018:08
5:50
-
10K
6.21 mi10:36:4336:235:5118:15
5:52
+0:02
15K
9.32 mi10:55:1254:525:5318:29
5:57
+0:05
20K
12.43 mi11:13:501:13:305:5518:38
6:00
+0:03
Half
13.11 mi11:17:481:17:285:553:58
5:49
-0:11
25K
15.53 mi11:32:231:32:035:5614:35
6:01
+0:12
30K
18.64 mi11:50:441:50:245:5518:21
5:54
-0:07
20M
20.00 mi11:58:501:58:305:558:06
5:58
+0:04
21M
21.00 mi12:05:072:04:475:576:17
6:17
+0:19
35K
21.75 mi12:09:232:09:035:564:16
5:42
-0:35
23M
23.00 mi12:16:512:16:315:567:28
5:58
+0:16
24M
24.00 mi12:22:362:22:165:565:45
5:45
-0:13
40K
24.85 mi12:27:402:27:205:565:04
5:56
+0:11
25.2M
25.20 mi12:29:512:29:315:562:11
6:20
+0:24
Finish
26.22 mi12:35:392:35:195:565:48
5:41
-0:39

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

5:41 /mi

Average Pace

5:56 /mi

Slowest Pace

6:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:51

95% of race

Time at Steady Pace

8:28

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:55 /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 mi10:18:2818:085:5018:08
5:50
#433
10K
6.21 mi10:36:4336:235:5118:15
5:52
#474
15K
9.32 mi10:55:1254:525:5318:29
5:57
#520
20K
12.43 mi11:13:501:13:305:5518:38
6:00
#523
Half
13.11 mi11:17:481:17:285:553:58
5:49
#519
25K
15.53 mi11:32:231:32:035:5614:35
6:01
#523
30K
18.64 mi11:50:441:50:245:5518:21
5:54
#460
20M
20.00 mi11:58:501:58:305:558:06
5:58
#445
21M
21.00 mi12:05:072:04:475:576:17
6:17
#434
35K
21.75 mi12:09:232:09:035:564:16
5:42
#423
23M
23.00 mi12:16:512:16:315:567:28
5:58
#405
24M
24.00 mi12:22:362:22:165:565:45
5:45
#385
40K
24.85 mi12:27:402:27:205:565:04
5:56
#369
25.2M
25.20 mi12:29:512:29:315:562:11
6:20
#361
Finish
26.22 mi12:35:392:35:195:565:48
5:41
#339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi433398398595(Top 2%)552(Top 4%)552(Top 10%)
10K6.21 mi3.10 mi474-41438-40438-40543(Top 2%)501(Top 3%)501(Top 9%)
15K9.32 mi3.11 mi520-46478-40478-40595(Top 2%)552(Top 4%)552(Top 10%)
20K12.43 mi3.11 mi523-3482-4482-4555(Top 2%)515(Top 3%)515(Top 10%)
Half13.11 mi0.68 mi519+4479+3479+3403(Top 2%)372(Top 2%)372(Top 7%)
25K15.53 mi2.42 mi523-4483-4483-4560(Top 2%)520(Top 3%)520(Top 10%)
30K18.64 mi3.11 mi460+63423+60423+60261(Top 1.0%)237(Top 2%)237(Top 4%)
20M20.00 mi1.36 mi445+15410+13410+13305(Top 1%)280(Top 2%)280(Top 5%)
21M21.00 mi1.00 mi434+11399+11399+11327(Top 1%)300(Top 2%)300(Top 6%)
35K21.75 mi0.75 mi423+11388+11388+11235(Top 0.9%)212(Top 1%)212(Top 4%)
23M23.00 mi1.25 mi405+18371+17371+17275(Top 1%)250(Top 2%)250(Top 5%)
24M24.00 mi1.00 mi385+20352+19352+19207(Top 0.8%)184(Top 1%)184(Top 3%)
40K24.85 mi0.85 mi369+16337+15337+15245(Top 0.9%)222(Top 1%)222(Top 4%)
25.2M25.20 mi0.35 mi361+8329+8329+8252(Top 0.9%)232(Top 2%)232(Top 4%)
Finish26.22 mi1.02 mi339+22308+21308+21223(Top 0.8%)206(Top 1%)206(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

595

Males

552

M18-39

552

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

543

Males

501

M18-39

501

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

595

Males

552

M18-39

552

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

555

Males

515

M18-39

515

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

403

Males

372

M18-39

372

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

560

Males

520

M18-39

520

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9stories
+181ft-148ft

Overall

261

Males

237

M18-39

237

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

305

Males

280

M18-39

280

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

327

Males

300

M18-39

300

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

235

Males

212

M18-39

212

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

275

Males

250

M18-39

250

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

207

Males

184

M18-39

184

24M→40K

24.0 - 24.9 mi

Top 0.9%
×1story
+6ft-20ft

Overall

245

Males

222

M18-39

222

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

252

Males

232

M18-39

232

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

223

Males

206

M18-39

206

Passing Analysis

Category:
Athletes Passed
240
Passed By
146
Net Change
+94
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#433
5K → 10K849-41#433#474
10K → 15K450-46#474#520
15K → 20K2124-3#520#523
20K → Half62+4#523#519
Half → 25K913-4#519#523
25K → 30K641+63#523#460
30K → 20M161+15#460#445
20M → 21M132+11#445#434
21M → 35K110+11#434#423
35K → 23M191+18#423#405
23M → 24M200+20#405#385
24M → 40K171+16#385#369
40K → 25.2M80+8#369#361
25.2M → Finish242+22#361#339
TOTALS240146+94
📊

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