Chongim Lei

Bib: 13228M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M55-59)
#0 / 1422
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12483
Start5K
7:49/mi
24:17 split
10K· 6.21 mi
47:26
Rank: #11199 (+1284)
5K10K
7:27/mi
23:09 split
15K· 9.32 mi
1:10:58
Rank: #11045 (+154)
10K15K
7:34/mi
23:32 split
20K· 12.43 mi
1:34:04
Rank: #10424 (+621)
15K20K
7:26/mi
23:06 split
Half· 13.11 mi
1:39:08
Rank: #10387 (+37)
20KHalf
7:26/mi
5:04 split
25K· 15.53 mi
1:57:32
Rank: #10193 (+194)
Half25K
7:35/mi
18:24 split
30K· 18.64 mi
2:21:45
Rank: #10001 (+192)
25K30K
7:48/mi
24:13 split
20M
2:32:17
Rank: #9840 (+161)
30K20M
7:45/mi
10:32 split
21M
2:40:32
Rank: #9758 (+82)
20M21M
8:15/mi
8:15 split
35K· 21.75 mi
2:46:18
Rank: #9761 (-3)
21M35K
7:42/mi
5:46 split
23M
2:55:51
Rank: #9573 (+188)
35K23M
7:38/mi
9:33 split
24M
3:03:24
Rank: #9490 (+83)
23M24M
7:33/mi
7:33 split
40K· 24.85 mi
3:09:59
Rank: #9403 (+87)
24M40K
7:42/mi
6:35 split
25.2M
3:12:47
Rank: #9345 (+58)
40K25.2M
8:07/mi
2:48 split
Finish· 26.22 mi
3:20:16
Rank: #9266 (+79)
25.2MFinish
7:21/mi
7:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1424:177:4924:17
7:49
-
10K
6.21 mi11:15:2347:267:3823:09
7:27
-0:22
15K
9.32 mi11:38:551:10:587:3723:32
7:34
+0:07
20K
12.43 mi12:02:011:34:047:3423:06
7:26
-0:08
Half
13.11 mi12:07:051:39:087:345:04
7:26
0:00
25K
15.53 mi12:25:291:57:327:3418:24
7:35
+0:09
30K
18.64 mi12:49:422:21:457:3624:13
7:48
+0:13
20M
20.00 mi13:00:142:32:177:3710:32
7:45
-0:03
21M
21.00 mi13:08:292:40:327:398:15
8:15
+0:30
35K
21.75 mi13:14:152:46:187:395:46
7:42
-0:33
23M
23.00 mi13:23:482:55:517:399:33
7:38
-0:04
24M
24.00 mi13:31:213:03:247:397:33
7:33
-0:05
40K
24.85 mi13:37:563:09:597:396:35
7:42
+0:09
25.2M
25.20 mi13:40:443:12:477:392:48
8:07
+0:25
Finish
26.22 mi13:48:133:20:167:397:29
7:21
-0:46

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

7:21 /mi

Average Pace

7:39 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:13

94% of race

Time at Steady Pace

11:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:52:1424:177:4924:17
7:49
#12483
10K
6.21 mi11:15:2347:267:3823:09
7:27
#11199
15K
9.32 mi11:38:551:10:587:3723:32
7:34
#11045
20K
12.43 mi12:02:011:34:047:3423:06
7:26
#10424
Half
13.11 mi12:07:051:39:087:345:04
7:26
#10387
25K
15.53 mi12:25:291:57:327:3418:24
7:35
#10193
30K
18.64 mi12:49:422:21:457:3624:13
7:48
#10001
20M
20.00 mi13:00:142:32:177:3710:32
7:45
#9840
21M
21.00 mi13:08:292:40:327:398:15
8:15
#9758
35K
21.75 mi13:14:152:46:187:395:46
7:42
#9761
23M
23.00 mi13:23:482:55:517:399:33
7:38
#9573
24M
24.00 mi13:31:213:03:247:397:33
7:33
#9490
40K
24.85 mi13:37:563:09:597:396:35
7:42
#9403
25.2M
25.20 mi13:40:443:12:477:392:48
8:07
#9345
Finish
26.22 mi13:48:133:20:167:397:29
7:21
#9266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi124839312931210784(Top 41%)8542(Top 56%)8542(Top 601%)
10K6.21 mi3.10 mi11199+12848745+5678745+56710067(Top 38%)8198(Top 54%)8198(Top 577%)
15K9.32 mi3.11 mi11045+1548675+708675+7010784(Top 41%)8542(Top 56%)8542(Top 601%)
20K12.43 mi3.11 mi10424+6218375+3008375+3008792(Top 33%)7374(Top 49%)7374(Top 519%)
Half13.11 mi0.68 mi10387+378350+258350+259569(Top 36%)7850(Top 52%)7850(Top 552%)
25K15.53 mi2.42 mi10193+1948230+1208230+1209448(Top 35%)7680(Top 51%)7680(Top 540%)
30K18.64 mi3.11 mi10001+1928097+1338097+1339310(Top 35%)7459(Top 49%)7459(Top 525%)
20M20.00 mi1.36 mi9840+1617981+1167981+1168506(Top 32%)6898(Top 45%)6898(Top 485%)
21M21.00 mi1.00 mi9758+827914+677914+678887(Top 33%)7001(Top 46%)7001(Top 492%)
35K21.75 mi0.75 mi9761-37897+177897+179944(Top 37%)7598(Top 50%)7598(Top 534%)
23M23.00 mi1.25 mi9573+1887756+1417756+1417263(Top 27%)5990(Top 39%)5990(Top 421%)
24M24.00 mi1.00 mi9490+837687+697687+698036(Top 30%)6344(Top 42%)6344(Top 446%)
40K24.85 mi0.85 mi9403+877599+887599+887971(Top 30%)6234(Top 41%)6234(Top 438%)
25.2M25.20 mi0.35 mi9345+587556+437556+437206(Top 27%)5720(Top 38%)5720(Top 402%)
Finish26.22 mi1.02 mi9266+797492+647492+647401(Top 28%)5811(Top 38%)5811(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10784

Males

8542

M55-59

8542

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10067

Males

8198

M55-59

8198

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10784

Males

8542

M55-59

8542

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8792

Males

7374

M55-59

7374

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9569

Males

7850

M55-59

7850

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9448

Males

7680

M55-59

7680

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9310

Males

7459

M55-59

7459

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8506

Males

6898

M55-59

6898

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8887

Males

7001

M55-59

7001

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9944

Males

7598

M55-59

7598

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7263

Males

5990

M55-59

5990

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8036

Males

6344

M55-59

6344

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7971

Males

6234

M55-59

6234

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7206

Males

5720

M55-59

5720

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7401

Males

5811

M55-59

5811

Passing Analysis

Category:
Athletes Passed
3692*
Passed By
475
Net Change
+3217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12483
5K10K132238+1284#12483#11199
10K15K266112+154#11199#11045
15K20K6265+621#11045#10424
20KHalf5013+37#10424#10387
Half25K23945+194#10387#10193
25K30K263*71+192#10193#10001
30K20M177*16+161#10001#9840
20M21M12341+82#9840#9758
21M35K4144-3#9758#9761
35K23M20618+188#9761#9573
23M24M10926+83#9573#9490
24M40K110*23+87#9490#9403
40K25.2M646+58#9403#9345
25.2MFinish9617+79#9345#9266
TOTALS3692*475+3217

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing