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BOSTON MARATHON 2023

Zachary Soohoo

Bib: 684•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:41
Rank: #262
Start → 5K
17:41 | 5:42/mi
10K· 6.21 mi
35:25
Rank: #298 (-36)
5K → 10K
17:44 | 5:42/mi
15K· 9.32 mi
53:14
Rank: #295 (+3)
10K → 15K
17:49 | 5:44/mi
20K· 12.43 mi
1:11:11
Rank: #290 (+5)
15K → 20K
17:57 | 5:47/mi
Half· 13.11 mi
1:15:04
Rank: #287 (+3)
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:29:07
Rank: #287
Half → 25K
14:03 | 5:48/mi
30K· 18.64 mi
1:47:39
Rank: #283 (+4)
25K → 30K
18:32 | 5:58/mi
20M
1:55:55
Rank: #290 (-7)
30K → 20M
8:16 | 6:05/mi
21M
2:02:18
Rank: #292 (-2)
20M → 21M
6:23 | 6:23/mi
35K· 21.75 mi
2:06:51
Rank: #300 (-8)
21M → 35K
4:33 | 6:05/mi
23M
2:14:50
Rank: #304 (-4)
35K → 23M
7:59 | 6:23/mi
24M
2:21:21
Rank: #335 (-31)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:27:23
Rank: #373 (-38)
24M → 40K
6:02 | 7:03/mi
25.2M
2:30:34
Rank: #421 (-48)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
2:38:28
Rank: #530 (-109)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:04
Pace5:44 /mi
2nd Half
Distance13.11 mi
Time1:23:24
Pace6:22 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4717:415:4217:41
5:42
-
10K
6.21 mi10:35:3135:255:4217:44
5:42
0:00
15K
9.32 mi10:53:2053:145:4317:49
5:44
+0:02
20K
12.43 mi11:11:171:11:115:4417:57
5:47
+0:03
Half
13.11 mi11:15:101:15:045:443:53
5:42
-0:05
25K
15.53 mi11:29:131:29:075:4414:03
5:48
+0:06
30K
18.64 mi11:47:451:47:395:4618:32
5:58
+0:10
20M
20.00 mi11:56:011:55:555:488:16
6:05
+0:07
21M
21.00 mi12:02:242:02:185:496:23
6:23
+0:18
35K
21.75 mi12:06:572:06:515:504:33
6:05
-0:18
23M
23.00 mi12:14:562:14:505:527:59
6:23
+0:18
24M
24.00 mi12:21:272:21:215:536:31
6:31
+0:08
40K
24.85 mi12:27:292:27:235:566:02
7:03
+0:32
25.2M
25.20 mi12:30:402:30:345:583:11
9:14
+2:11
Finish
26.22 mi12:38:342:38:286:037:54
7:45
-1:29

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

5:42 /mi

Average Pace

6:03 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:21:21

89% of race

Time at Slower Pace

17:07

11% of race

Average Pace: 6:03 /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 mi10:17:4717:415:4217:41
5:42
#262
10K
6.21 mi10:35:3135:255:4217:44
5:42
#298
15K
9.32 mi10:53:2053:145:4317:49
5:44
#295
20K
12.43 mi11:11:171:11:115:4417:57
5:47
#290
Half
13.11 mi11:15:101:15:045:443:53
5:42
#287
25K
15.53 mi11:29:131:29:075:4414:03
5:48
#287
30K
18.64 mi11:47:451:47:395:4618:32
5:58
#283
20M
20.00 mi11:56:011:55:555:488:16
6:05
#290
21M
21.00 mi12:02:242:02:185:496:23
6:23
#292
35K
21.75 mi12:06:572:06:515:504:33
6:05
#300
23M
23.00 mi12:14:562:14:505:527:59
6:23
#304
24M
24.00 mi12:21:272:21:215:536:31
6:31
#335
40K
24.85 mi12:27:292:27:235:566:02
7:03
#373
25.2M
25.20 mi12:30:402:30:345:583:11
9:14
#421
Finish
26.22 mi12:38:342:38:286:037:54
7:45
#530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi262262262294(Top 1%)262(Top 2%)262(Top 5%)
10K6.21 mi3.10 mi298-36270-8270-8320(Top 1%)286(Top 2%)286(Top 5%)
15K9.32 mi3.11 mi295+3266+4266+4294(Top 1%)262(Top 2%)262(Top 5%)
20K12.43 mi3.11 mi290+5262+4262+4275(Top 1%)247(Top 2%)247(Top 5%)
Half13.11 mi0.68 mi287+3259+3259+3280(Top 1%)258(Top 2%)258(Top 5%)
25K15.53 mi2.42 mi287259259270(Top 1%)243(Top 2%)243(Top 5%)
30K18.64 mi3.11 mi283+4252+7252+7347(Top 1%)320(Top 2%)320(Top 6%)
20M20.00 mi1.36 mi290-7259-7259-7457(Top 2%)423(Top 3%)423(Top 8%)
21M21.00 mi1.00 mi292-2263-4263-4459(Top 2%)426(Top 3%)426(Top 8%)
35K21.75 mi0.75 mi300-8269-6269-6855(Top 3%)812(Top 5%)812(Top 15%)
23M23.00 mi1.25 mi304-4273-4273-41013(Top 4%)960(Top 6%)960(Top 18%)
24M24.00 mi1.00 mi335-31304-31304-312133(Top 8%)1999(Top 13%)1999(Top 38%)
40K24.85 mi0.85 mi373-38341-37341-374090(Top 15%)3651(Top 24%)3651(Top 69%)
25.2M25.20 mi0.35 mi421-48386-45386-4513681(Top 51%)9049(Top 60%)9049(Top 171%)
Finish26.22 mi1.02 mi530-109494-108494-10810266(Top 39%)7411(Top 49%)7411(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

294

Males

262

M18-39

262

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

320

Males

286

M18-39

286

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

294

Males

262

M18-39

262

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

275

Males

247

M18-39

247

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

280

Males

258

M18-39

258

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

270

Males

243

M18-39

243

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

347

Males

320

M18-39

320

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

457

Males

423

M18-39

423

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

459

Males

426

M18-39

426

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

855

Males

812

M18-39

812

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1013

Males

960

M18-39

960

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2133

Males

1999

M18-39

1999

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4090

Males

3651

M18-39

3651

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13681

Males

9049

M18-39

9049

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10266

Males

7411

M18-39

7411

Passing Analysis

Category:
Athletes Passed
76
Passed By
344
Net Change
-268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#262
5K → 10K1349-36#262#298
10K → 15K118+3#298#295
15K → 20K116+5#295#290
20K → Half30+3#290#287
Half → 25K880#287#287
25K → 30K128+4#287#283
30K → 20M29-7#283#290
20M → 21M79-2#290#292
21M → 35K19-8#292#300
35K → 23M37-4#300#304
23M → 24M233-31#304#335
24M → 40K240-38#335#373
40K → 25.2M149-48#373#421
25.2M → Finish0109-109#421#530
TOTALS76344-268
📊

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