Matthew Choi

Bib: 6993M

TX

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 35%
Gender (Male)
#0 / 14578
Top 46%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #6477
Start5K
21:29 | 6:55/mi
10K· 6.21 mi
43:16
Rank: #6594 (-117)
5K10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:58
Rank: #7088 (-494)
10K15K
22:42 | 7:18/mi
20K· 12.43 mi
1:31:37
Rank: #8655 (-1567)
15K20K
25:39 | 8:15/mi
Half· 13.11 mi
1:36:36
Rank: #8589 (+66)
20KHalf
4:59 | 7:18/mi
25K· 15.53 mi
1:56:54
Rank: #9262 (-673)
Half25K
20:18 | 8:22/mi
30K· 18.64 mi
2:24:25
Rank: #9880 (-618)
25K30K
27:31 | 8:51/mi
20M
2:36:05
Rank: #9815 (+65)
30K20M
11:40 | 8:35/mi
21M
2:44:24
Rank: #9435 (+380)
20M21M
8:19 | 8:19/mi
35K· 21.75 mi
2:50:44
Rank: #9425 (+10)
21M35K
6:20 | 8:28/mi
23M
3:01:20
Rank: #9269 (+156)
35K23M
10:36 | 8:28/mi
24M
3:10:02
Rank: #9325 (-56)
23M24M
8:42 | 8:42/mi
40K· 24.85 mi
3:17:26
Rank: #9306 (+19)
24M40K
7:24 | 8:39/mi
25.2M
3:20:31
Rank: #9230 (+76)
40K25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:27:49
Rank: #8934 (+296)
25.2MFinish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:51:13
Pace8:29 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0121:296:5521:29
6:55
-
10K
6.21 mi10:48:4843:166:5821:47
7:01
+0:06
15K
9.32 mi11:11:301:05:587:0522:42
7:18
+0:17
20K
12.43 mi11:37:091:31:377:2225:39
8:15
+0:57
Half
13.11 mi11:42:081:36:367:224:59
7:18
-0:57
25K
15.53 mi12:02:261:56:547:3220:18
8:22
+1:04
30K
18.64 mi12:29:572:24:257:4527:31
8:51
+0:29
20M
20.00 mi12:41:372:36:057:4811:40
8:35
-0:16
21M
21.00 mi12:49:562:44:247:508:19
8:19
-0:16
35K
21.75 mi12:56:162:50:447:516:20
8:28
+0:09
23M
23.00 mi13:06:523:01:207:5310:36
8:28
0:00
24M
24.00 mi13:15:343:10:027:558:42
8:42
+0:14
40K
24.85 mi13:22:583:17:267:577:24
8:39
-0:03
25.2M
25.20 mi13:26:033:20:317:573:05
8:56
+0:17
Finish
26.22 mi13:33:213:27:497:567:18
7:10
-1:46

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

6:55 /mi

Average Pace

7:56 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:15

38% of race

Time at Steady Pace

1:38:58

48% of race

Time at Slower Pace

30:36

15% of race

Average Pace: 7:56 /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 mi10:27:0121:296:5521:29
6:55
#6477
10K
6.21 mi10:48:4843:166:5821:47
7:01
#6594
15K
9.32 mi11:11:301:05:587:0522:42
7:18
#7088
20K
12.43 mi11:37:091:31:377:2225:39
8:15
#8655
Half
13.11 mi11:42:081:36:367:224:59
7:18
#8589
25K
15.53 mi12:02:261:56:547:3220:18
8:22
#9262
30K
18.64 mi12:29:572:24:257:4527:31
8:51
#9880
20M
20.00 mi12:41:372:36:057:4811:40
8:35
#9815
21M
21.00 mi12:49:562:44:247:508:19
8:19
#9435
35K
21.75 mi12:56:162:50:447:516:20
8:28
#9425
23M
23.00 mi13:06:523:01:207:5310:36
8:28
#9269
24M
24.00 mi13:15:343:10:027:558:42
8:42
#9325
40K
24.85 mi13:22:583:17:267:577:24
8:39
#9306
25.2M
25.20 mi13:26:033:20:317:573:05
8:56
#9230
Finish
26.22 mi13:33:213:27:497:567:18
7:10
#8934
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6477579157918199(Top 32%)6836(Top 47%)6836(Top 141%)
10K6.21 mi3.10 mi6594-1175863-725863-726731(Top 26%)5934(Top 41%)5934(Top 122%)
15K9.32 mi3.11 mi7088-4946177-3146177-3148199(Top 32%)6836(Top 47%)6836(Top 141%)
20K12.43 mi3.11 mi8655-15677116-9397116-93913462(Top 53%)9331(Top 64%)9331(Top 192%)
Half13.11 mi0.68 mi8589+667069+477069+477685(Top 30%)6431(Top 44%)6431(Top 133%)
25K15.53 mi2.42 mi9262-6737407-3387407-33812364(Top 48%)8627(Top 59%)8627(Top 178%)
30K18.64 mi3.11 mi9880-6187599-1927599-19212481(Top 49%)8456(Top 58%)8456(Top 174%)
20M20.00 mi1.36 mi9815+657510+897510+899885(Top 39%)6972(Top 48%)6972(Top 144%)
21M21.00 mi1.00 mi9435+3807258+2527258+2525397(Top 21%)4357(Top 30%)4357(Top 90%)
35K21.75 mi0.75 mi9425+107225+337225+3310603(Top 41%)7013(Top 48%)7013(Top 145%)
23M23.00 mi1.25 mi9269+1567077+1487077+1488250(Top 32%)5714(Top 39%)5714(Top 118%)
24M24.00 mi1.00 mi9325-567061+167061+1610558(Top 41%)6816(Top 47%)6816(Top 141%)
40K24.85 mi0.85 mi9306+197011+507011+509134(Top 36%)5965(Top 41%)5965(Top 123%)
25.2M25.20 mi0.35 mi9230+766950+616950+616266(Top 25%)4419(Top 30%)4419(Top 91%)
Finish26.22 mi1.02 mi8934+2966751+1996751+1993865(Top 15%)3114(Top 21%)3114(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8199

Males

6836

M18-39

6836

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6731

Males

5934

M18-39

5934

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8199

Males

6836

M18-39

6836

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

13462

Males

9331

M18-39

9331

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7685

Males

6431

M18-39

6431

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12364

Males

8627

M18-39

8627

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12481

Males

8456

M18-39

8456

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

9885

Males

6972

M18-39

6972

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5397

Males

4357

M18-39

4357

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10603

Males

7013

M18-39

7013

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8250

Males

5714

M18-39

5714

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10558

Males

6816

M18-39

6816

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9134

Males

5965

M18-39

5965

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6266

Males

4419

M18-39

4419

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3865

Males

3114

M18-39

3114

Passing Analysis

Category:
Athletes Passed
1882
Passed By
4337
Net Change
-2457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6477
5K10K156273-117#6477#6594
10K15K45539-494#6594#7088
15K20K171584-1567#7088#8655
20KHalf748+66#8655#8589
Half25K68741-673#8589#9262
25K30K119736-618#9262#9880
30K20M176110+65#9880#9815
20M21M3855+380#9815#9435
21M35K7363+10#9435#9425
35K23M21458+156#9425#9269
23M24M80136-56#9269#9325
24M40K9677+19#9325#9306
40K25.2M815+76#9306#9230
25.2MFinish2982+296#9230#8934
TOTALS18824337-2457
📊

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