Li Su

Bib: 18023M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:56
Rank: #18664
Start5K
8:40/mi
26:56 split
10K· 6.21 mi
54:03
Rank: #18576 (+88)
5K10K
8:44/mi
27:07 split
15K· 9.32 mi
1:21:24
Rank: #18345 (+231)
10K15K
8:48/mi
27:21 split
20K· 12.43 mi
1:49:24
Rank: #18041 (+304)
15K20K
9:01/mi
28:00 split
Half· 13.11 mi
1:55:02
Rank: #17856 (+185)
20KHalf
8:15/mi
5:38 split
25K· 15.53 mi
2:16:33
Rank: #17321 (+535)
Half25K
8:52/mi
21:31 split
30K· 18.64 mi
2:44:31
Rank: #16518 (+803)
25K30K
9:00/mi
27:58 split
20M
2:56:23
Rank: #16122 (+396)
30K20M
8:44/mi
11:52 split
21M
3:05:41
Rank: #15769 (+353)
20M21M
9:18/mi
9:18 split
35K· 21.75 mi
3:11:49
Rank: #15518 (+251)
21M35K
8:12/mi
6:08 split
23M
3:22:35
Rank: #15148 (+370)
35K23M
8:36/mi
10:46 split
24M
3:30:48
Rank: #14773 (+375)
23M24M
8:13/mi
8:13 split
40K· 24.85 mi
3:37:57
Rank: #14470 (+303)
24M40K
8:22/mi
7:09 split
25.2M
3:41:28
Rank: #14425 (+45)
40K25.2M
10:12/mi
3:31 split
Finish· 26.22 mi
3:49:28
Rank: #14152 (+273)
25.2MFinish
7:51/mi
8:00 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:55:02
Pace8:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3326:568:4026:56
8:40
-
10K
6.21 mi11:46:4054:038:4227:07
8:44
+0:04
15K
9.32 mi12:14:011:21:248:4427:21
8:48
+0:04
20K
12.43 mi12:42:011:49:248:4828:00
9:01
+0:13
Half
13.11 mi12:47:391:55:028:465:38
8:15
-0:46
25K
15.53 mi13:09:102:16:338:4721:31
8:52
+0:37
30K
18.64 mi13:37:082:44:318:5027:58
9:00
+0:08
20M
20.00 mi13:49:002:56:238:4911:52
8:44
-0:16
21M
21.00 mi13:58:183:05:418:519:18
9:18
+0:34
35K
21.75 mi14:04:263:11:498:496:08
8:12
-1:06
23M
23.00 mi14:15:123:22:358:4810:46
8:36
+0:24
24M
24.00 mi14:23:253:30:488:478:13
8:13
-0:23
40K
24.85 mi14:30:343:37:578:467:09
8:22
+0:09
25.2M
25.20 mi14:34:053:41:288:473:31
10:12
+1:50
Finish
26.22 mi14:42:053:49:288:458:00
7:51
-2:21

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

7:51 /mi

Average Pace

8:45 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:08

15% of race

Time at Steady Pace

2:33:31

67% of race

Time at Slower Pace

40:49

18% of race

Average Pace: 8:45 /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 mi11:19:3326:568:4026:56
8:40
#18664
10K
6.21 mi11:46:4054:038:4227:07
8:44
#18576
15K
9.32 mi12:14:011:21:248:4427:21
8:48
#18345
20K
12.43 mi12:42:011:49:248:4828:00
9:01
#18041
Half
13.11 mi12:47:391:55:028:465:38
8:15
#17856
25K
15.53 mi13:09:102:16:338:4721:31
8:52
#17321
30K
18.64 mi13:37:082:44:318:5027:58
9:00
#16518
20M
20.00 mi13:49:002:56:238:4911:52
8:44
#16122
21M
21.00 mi13:58:183:05:418:519:18
9:18
#15769
35K
21.75 mi14:04:263:11:498:496:08
8:12
#15518
23M
23.00 mi14:15:123:22:358:4810:46
8:36
#15148
24M
24.00 mi14:23:253:30:488:478:13
8:13
#14773
40K
24.85 mi14:30:343:37:578:467:09
8:22
#14470
25.2M
25.20 mi14:34:053:41:288:473:31
10:12
#14425
Finish
26.22 mi14:42:053:49:288:458:00
7:51
#14152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18664114791147917973(Top 70%)11233(Top 77%)11233(Top 735%)
10K6.21 mi3.10 mi18576+8811444+3511444+3518498(Top 72%)11434(Top 78%)11434(Top 748%)
15K9.32 mi3.11 mi18345+23111368+7611368+7617973(Top 70%)11233(Top 77%)11233(Top 735%)
20K12.43 mi3.11 mi18041+30411239+12911239+12917372(Top 68%)10978(Top 75%)10978(Top 718%)
Half13.11 mi0.68 mi17856+18511146+9311146+9314314(Top 56%)9636(Top 66%)9636(Top 630%)
25K15.53 mi2.42 mi17321+53510898+24810898+24814916(Top 58%)9753(Top 67%)9753(Top 638%)
30K18.64 mi3.11 mi16518+80310503+39510503+39513247(Top 52%)8800(Top 60%)8800(Top 576%)
20M20.00 mi1.36 mi16122+39610308+19510308+19510724(Top 42%)7377(Top 51%)7377(Top 482%)
21M21.00 mi1.00 mi15769+35310113+19510113+1959930(Top 39%)6721(Top 46%)6721(Top 440%)
35K21.75 mi0.75 mi15518+2519985+1289985+1288970(Top 35%)6254(Top 43%)6254(Top 409%)
23M23.00 mi1.25 mi15148+3709783+2029783+2029002(Top 35%)6112(Top 42%)6112(Top 400%)
24M24.00 mi1.00 mi14773+3759566+2179566+2177849(Top 31%)5431(Top 37%)5431(Top 355%)
40K24.85 mi0.85 mi14470+3039396+1709396+1707665(Top 30%)5210(Top 36%)5210(Top 341%)
25.2M25.20 mi0.35 mi14425+459370+269370+2611700(Top 46%)7243(Top 50%)7243(Top 474%)
Finish26.22 mi1.02 mi14152+2739226+1449226+1447637(Top 30%)5226(Top 36%)5226(Top 342%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17973

Males

11233

M55-59

11233

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

18498

Males

11434

M55-59

11434

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17973

Males

11233

M55-59

11233

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17372

Males

10978

M55-59

10978

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14314

Males

9636

M55-59

9636

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14916

Males

9753

M55-59

9753

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13247

Males

8800

M55-59

8800

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

10724

Males

7377

M55-59

7377

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

9930

Males

6721

M55-59

6721

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

8970

Males

6254

M55-59

6254

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9002

Males

6112

M55-59

6112

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

7849

Males

5431

M55-59

5431

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7665

Males

5210

M55-59

5210

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11700

Males

7243

M55-59

7243

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7637

Males

5226

M55-59

5226

Passing Analysis

Category:
Athletes Passed
4988
Passed By
476
Net Change
+4512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18664
5K10K326238+88#18664#18576
10K15K340109+231#18576#18345
15K20K39591+304#18345#18041
20KHalf1861+185#18041#17856
Half25K5427+535#17856#17321
25K30K8129+803#17321#16518
30K20M3960+396#16518#16122
20M21M3563+353#16122#15769
21M35K2510+251#15769#15518
35K23M3711+370#15518#15148
23M24M3750+375#15148#14773
24M40K3052+303#14773#14470
40K25.2M5914+45#14470#14425
25.2MFinish2741+273#14425#14152
TOTALS4988476+4512
📊

Passing Visuals

Category:
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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