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BOSTON MARATHON 2023

Alex Amaro

Bib: 648•M

IN

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
17:33
Rank: #215
Start → 5K
17:33 | 5:39/mi
10K· 6.21 mi
35:09
Rank: #244 (-29)
5K → 10K
17:36 | 5:40/mi
15K· 9.32 mi
52:52
Rank: #242 (+2)
10K → 15K
17:43 | 5:42/mi
20K· 12.43 mi
1:10:41
Rank: #241 (+1)
15K → 20K
17:49 | 5:44/mi
Half· 13.11 mi
1:14:34
Rank: #244 (-3)
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:28:34
Rank: #242 (+2)
Half → 25K
14:00 | 5:46/mi
30K· 18.64 mi
1:46:53
Rank: #230 (+12)
25K → 30K
18:19 | 5:54/mi
20M
1:54:50
Rank: #218 (+12)
30K → 20M
7:57 | 5:51/mi
21M
2:01:03
Rank: #216 (+2)
20M → 21M
6:13 | 6:13/mi
35K· 21.75 mi
2:05:20
Rank: #216
21M → 35K
4:17 | 5:44/mi
23M
2:12:45
Rank: #215 (+1)
35K → 23M
7:25 | 5:55/mi
24M
2:18:34
Rank: #215
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:23:42
Rank: #211 (+4)
24M → 40K
5:08 | 6:00/mi
25.2M
2:25:55
Rank: #207 (+4)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:31:54
Rank: #203 (+4)
25.2M → Finish
5:59 | 5:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:34
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:17:20
Pace5:54 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3817:335:3917:33
5:39
-
10K
6.21 mi10:35:1435:095:3917:36
5:40
+0:01
15K
9.32 mi10:52:5752:525:4017:43
5:42
+0:02
20K
12.43 mi11:10:461:10:415:4117:49
5:44
+0:02
Half
13.11 mi11:14:391:14:345:413:53
5:42
-0:02
25K
15.53 mi11:28:391:28:345:4214:00
5:46
+0:04
30K
18.64 mi11:46:581:46:535:4418:19
5:54
+0:08
20M
20.00 mi11:54:551:54:505:447:57
5:51
-0:03
21M
21.00 mi12:01:082:01:035:466:13
6:13
+0:22
35K
21.75 mi12:05:252:05:205:464:17
5:44
-0:29
23M
23.00 mi12:12:502:12:455:467:25
5:55
+0:11
24M
24.00 mi12:18:392:18:345:465:49
5:49
-0:06
40K
24.85 mi12:23:472:23:425:475:08
6:00
+0:11
25.2M
25.20 mi12:26:002:25:555:472:13
6:26
+0:26
Finish
26.22 mi12:31:592:31:545:485:59
5:52
-0:34

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

5:48 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:28

94% of race

Time at Steady Pace

8:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:48 /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 mi10:17:3817:335:3917:33
5:39
#215
10K
6.21 mi10:35:1435:095:3917:36
5:40
#244
15K
9.32 mi10:52:5752:525:4017:43
5:42
#242
20K
12.43 mi11:10:461:10:415:4117:49
5:44
#241
Half
13.11 mi11:14:391:14:345:413:53
5:42
#244
25K
15.53 mi11:28:391:28:345:4214:00
5:46
#242
30K
18.64 mi11:46:581:46:535:4418:19
5:54
#230
20M
20.00 mi11:54:551:54:505:447:57
5:51
#218
21M
21.00 mi12:01:082:01:035:466:13
6:13
#216
35K
21.75 mi12:05:252:05:205:464:17
5:44
#216
23M
23.00 mi12:12:502:12:455:467:25
5:55
#215
24M
24.00 mi12:18:392:18:345:465:49
5:49
#215
40K
24.85 mi12:23:472:23:425:475:08
6:00
#211
25.2M
25.20 mi12:26:002:25:555:472:13
6:26
#207
Finish
26.22 mi12:31:592:31:545:485:59
5:52
#203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi215215215252(Top 0.9%)223(Top 1%)223(Top 4%)
10K6.21 mi3.10 mi244-29217-2217-2263(Top 1.0%)233(Top 2%)233(Top 4%)
15K9.32 mi3.11 mi242+2215+2215+2252(Top 0.9%)223(Top 1%)223(Top 4%)
20K12.43 mi3.11 mi241+1214+1214+1228(Top 0.9%)203(Top 1%)203(Top 4%)
Half13.11 mi0.68 mi244-3216-2216-2264(Top 1.0%)242(Top 2%)242(Top 5%)
25K15.53 mi2.42 mi242+2215+1215+1234(Top 0.9%)211(Top 1%)211(Top 4%)
30K18.64 mi3.11 mi230+12205+10205+10247(Top 0.9%)223(Top 1%)223(Top 4%)
20M20.00 mi1.36 mi218+12194+11194+11200(Top 0.8%)178(Top 1%)178(Top 3%)
21M21.00 mi1.00 mi216+2192+2192+2247(Top 0.9%)223(Top 1%)223(Top 4%)
35K21.75 mi0.75 mi216191+1191+1255(Top 1.0%)230(Top 2%)230(Top 4%)
23M23.00 mi1.25 mi215+1191191233(Top 0.9%)209(Top 1%)209(Top 4%)
24M24.00 mi1.00 mi215191191260(Top 1.0%)236(Top 2%)236(Top 4%)
40K24.85 mi0.85 mi211+4186+5186+5337(Top 1%)313(Top 2%)313(Top 6%)
25.2M25.20 mi0.35 mi207+4182+4182+4373(Top 1%)351(Top 2%)351(Top 7%)
Finish26.22 mi1.02 mi203+4178+4178+4479(Top 2%)456(Top 3%)456(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.9%
×21stories
+97ft-345ft

Overall

252

Males

223

M18-39

223

5K→10K

3.1 - 6.2 mi

Top 1.0%
×5stories
+79ft-138ft

Overall

263

Males

233

M18-39

233

10K→15K

6.2 - 9.3 mi

Top 0.9%
×3stories
+67ft-78ft

Overall

252

Males

223

M18-39

223

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5stories
+106ft-86ft

Overall

228

Males

203

M18-39

203

20K→Half

12.4 - 13.1 mi

Top 1.0%
×2stories
+19ft-37ft

Overall

264

Males

242

M18-39

242

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

234

Males

211

M18-39

211

25K→30K

15.5 - 18.6 mi

Top 0.9%
×9stories
+181ft-148ft

Overall

247

Males

223

M18-39

223

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

200

Males

178

M18-39

178

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8stories
+106ft-24ft

Overall

247

Males

223

M18-39

223

21M→35K

21.0 - 21.8 mi

Top 1.0%
×7stories
+17ft-86ft

Overall

255

Males

230

M18-39

230

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

233

Males

209

M18-39

209

23M→24M

23.0 - 24.0 mi

Top 1.0%
×6stories
+12ft-82ft

Overall

260

Males

236

M18-39

236

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

337

Males

313

M18-39

313

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

373

Males

351

M18-39

351

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

479

Males

456

M18-39

456

Passing Analysis

Category:
Athletes Passed
116
Passed By
104
Net Change
+12
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#215
5K → 10K1140-29#215#244
10K → 15K1311+2#244#242
15K → 20K98+1#242#241
20K → Half14-3#241#244
Half → 25K119+2#244#242
25K → 30K153+12#242#230
30K → 20M131+12#230#218
20M → 21M86+2#218#216
21M → 35K550#216#216
35K → 23M87+1#216#215
23M → 24M220#215#215
24M → 40K84+4#215#211
40K → 25.2M51+4#211#207
25.2M → Finish73+4#207#203
TOTALS116104+12
📊

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