Chih Lung Tai

Bib: 13359M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:54
Rank: #20358
Start5K
8:59/mi
27:54 split
10K· 6.21 mi
57:12
Rank: #21413 (-1055)
5K10K
9:26/mi
29:18 split
15K· 9.32 mi
1:27:43
Rank: #22014 (-601)
10K15K
9:49/mi
30:31 split
20K· 12.43 mi
1:59:36
Rank: #22474 (-460)
15K20K
10:16/mi
31:53 split
Half· 13.11 mi
2:06:29
Rank: #22546 (-72)
20KHalf
10:05/mi
6:53 split
25K· 15.53 mi
2:33:51
Rank: #22963 (-417)
Half25K
11:17/mi
27:22 split
30K· 18.64 mi
3:12:56
Rank: #23524 (-561)
25K30K
12:35/mi
39:05 split
20M
3:32:11
Rank: #23870 (-346)
30K20M
14:10/mi
19:15 split
21M
3:47:32
Rank: #24088 (-218)
20M21M
15:21/mi
15:21 split
35K· 21.75 mi
3:57:38
Rank: #24203 (-115)
21M35K
13:30/mi
10:06 split
23M
4:16:04
Rank: #24435 (-232)
35K23M
14:43/mi
18:26 split
24M
4:29:22
Rank: #24533 (-98)
23M24M
13:18/mi
13:18 split
40K· 24.85 mi
4:41:41
Rank: #24655 (-122)
24M40K
14:24/mi
12:19 split
25.2M
4:46:43
Rank: #24697 (-42)
40K25.2M
14:36/mi
5:02 split
Finish· 26.22 mi
4:59:06
Rank: #24773 (-76)
25.2MFinish
12:09/mi
12:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:29
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:52:37
Pace13:10 /mi
📊Positive Split: 36.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2827:548:5927:54
8:59
-
10K
6.21 mi11:49:4657:129:1229:18
9:26
+0:27
15K
9.32 mi12:20:171:27:439:2530:31
9:49
+0:23
20K
12.43 mi12:52:101:59:369:3731:53
10:16
+0:27
Half
13.11 mi12:59:032:06:299:396:53
10:05
-0:11
25K
15.53 mi13:26:252:33:519:5427:22
11:17
+1:12
30K
18.64 mi14:05:303:12:5610:2139:05
12:35
+1:18
20M
20.00 mi14:24:453:32:1110:3719:15
14:10
+1:35
21M
21.00 mi14:40:063:47:3210:5015:21
15:21
+1:11
35K
21.75 mi14:50:123:57:3810:5610:06
13:30
-1:51
23M
23.00 mi15:08:384:16:0411:0818:26
14:43
+1:13
24M
24.00 mi15:21:564:29:2211:1313:18
13:18
-1:25
40K
24.85 mi15:34:154:41:4111:2012:19
14:24
+1:06
25.2M
25.20 mi15:39:174:46:4311:235:02
14:36
+0:12
Finish
26.22 mi15:51:404:59:0611:2512:23
12:09
-2:27

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

8:59 /mi

Average Pace

11:25 /mi

Slowest Pace

15:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:51

51% of race

Time at Steady Pace

1:14:52

25% of race

Time at Slower Pace

1:10:23

24% of race

Average Pace: 11:24 /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 mi11:20:2827:548:5927:54
8:59
#20358
10K
6.21 mi11:49:4657:129:1229:18
9:26
#21413
15K
9.32 mi12:20:171:27:439:2530:31
9:49
#22014
20K
12.43 mi12:52:101:59:369:3731:53
10:16
#22474
Half
13.11 mi12:59:032:06:299:396:53
10:05
#22546
25K
15.53 mi13:26:252:33:519:5427:22
11:17
#22963
30K
18.64 mi14:05:303:12:5610:2139:05
12:35
#23524
20M
20.00 mi14:24:453:32:1110:3719:15
14:10
#23870
21M
21.00 mi14:40:063:47:3210:5015:21
15:21
#24088
35K
21.75 mi14:50:123:57:3810:5610:06
13:30
#24203
23M
23.00 mi15:08:384:16:0411:0818:26
14:43
#24435
24M
24.00 mi15:21:564:29:2211:1313:18
13:18
#24533
40K
24.85 mi15:34:154:41:4111:2012:19
14:24
#24655
25.2M
25.20 mi15:39:174:46:4311:235:02
14:36
#24697
Finish
26.22 mi15:51:404:59:0611:2512:23
12:09
#24773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20358123091230923108(Top 87%)13683(Top 90%)13683(Top 667%)
10K6.21 mi3.10 mi21413-105512854-54512854-54522304(Top 84%)13302(Top 88%)13302(Top 648%)
15K9.32 mi3.11 mi22014-60113146-29213146-29223108(Top 87%)13683(Top 90%)13683(Top 667%)
20K12.43 mi3.11 mi22474-46013380-23413380-23423404(Top 88%)13818(Top 91%)13818(Top 673%)
Half13.11 mi0.68 mi22546-7213408-2813408-2823454(Top 88%)13829(Top 91%)13829(Top 674%)
25K15.53 mi2.42 mi22963-41713600-19213600-19224385(Top 92%)14201(Top 94%)14201(Top 692%)
30K18.64 mi3.11 mi23524-56113844-24413844-24425078(Top 94%)14444(Top 95%)14444(Top 704%)
20M20.00 mi1.36 mi23870-34613995-15113995-15125915(Top 97%)14817(Top 98%)14817(Top 722%)
21M21.00 mi1.00 mi24088-21814070-7514070-7525924(Top 97%)14835(Top 98%)14835(Top 723%)
35K21.75 mi0.75 mi24203-11514113-4314113-4325887(Top 97%)14781(Top 97%)14781(Top 720%)
23M23.00 mi1.25 mi24435-23214215-10214215-10226195(Top 98%)14934(Top 98%)14934(Top 728%)
24M24.00 mi1.00 mi24533-9814248-3314248-3325674(Top 96%)14635(Top 96%)14635(Top 713%)
40K24.85 mi0.85 mi24655-12214293-4514293-4525904(Top 97%)14750(Top 97%)14750(Top 719%)
25.2M25.20 mi0.35 mi24697-4214311-1814311-1825451(Top 96%)14522(Top 96%)14522(Top 708%)
Finish26.22 mi1.02 mi24773-7614337-2614337-2625376(Top 95%)14497(Top 96%)14497(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23108

Males

13683

M50-54

13683

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22304

Males

13302

M50-54

13302

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23108

Males

13683

M50-54

13683

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23404

Males

13818

M50-54

13818

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23454

Males

13829

M50-54

13829

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24385

Males

14201

M50-54

14201

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25078

Males

14444

M50-54

14444

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25915

Males

14817

M50-54

14817

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25924

Males

14835

M50-54

14835

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25887

Males

14781

M50-54

14781

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26195

Males

14934

M50-54

14934

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25674

Males

14635

M50-54

14635

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25904

Males

14750

M50-54

14750

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25451

Males

14522

M50-54

14522

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25376

Males

14497

M50-54

14497

Passing Analysis

Category:
Athletes Passed
193
Passed By
4608
Net Change
-4415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20358
5K10K381093-1055#20358#21413
10K15K32633-601#21413#22014
15K20K39499-460#22014#22474
20KHalf1183-72#22474#22546
Half25K25442-417#22546#22963
25K30K14575-561#22963#23524
30K20M8354-346#23524#23870
20M21M3221-218#23870#24088
21M35K4119-115#24088#24203
35K23M0232-232#24203#24435
23M24M9107-98#24435#24533
24M40K4126-122#24533#24655
40K25.2M143-42#24655#24697
25.2MFinish581-76#24697#24773
TOTALS1934608-4415
📊

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