Lesong Jia

Bib: 23541F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:38
Rank: #21268
Start5K
28:38 | 9:13/mi
10K· 6.21 mi
58:00
Rank: #21836 (-568)
5K10K
29:22 | 9:27/mi
15K· 9.32 mi
1:27:46
Rank: #22033 (-197)
10K15K
29:46 | 9:35/mi
20K· 12.43 mi
1:57:45
Rank: #22022 (+11)
15K20K
29:59 | 9:39/mi
Half· 13.11 mi
2:04:14
Rank: #22034 (-12)
20KHalf
6:29 | 9:30/mi
25K· 15.53 mi
2:28:36
Rank: #22075 (-41)
Half25K
24:22 | 10:03/mi
30K· 18.64 mi
2:59:45
Rank: #21906 (+169)
25K30K
31:09 | 10:02/mi
20M
3:13:56
Rank: #21871 (+35)
30K20M
14:11 | 10:26/mi
21M
3:25:38
Rank: #21912 (-41)
20M21M
11:42 | 11:42/mi
35K· 21.75 mi
3:32:53
Rank: #21864 (+48)
21M35K
7:15 | 9:41/mi
23M
3:45:25
Rank: #21746 (+118)
35K23M
12:32 | 10:01/mi
24M
3:55:21
Rank: #21703 (+43)
23M24M
9:56 | 9:56/mi
40K· 24.85 mi
4:03:52
Rank: #21647 (+56)
24M40K
8:31 | 9:58/mi
25.2M
4:07:37
Rank: #21619 (+28)
40K25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:17:41
Rank: #21604 (+15)
25.2MFinish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:14
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:13:27
Pace10:11 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1928:389:1328:38
9:13
-
10K
6.21 mi11:57:4158:009:2029:22
9:27
+0:14
15K
9.32 mi12:27:271:27:469:2529:46
9:35
+0:08
20K
12.43 mi12:57:261:57:459:2929:59
9:39
+0:04
Half
13.11 mi13:03:552:04:149:296:29
9:30
-0:09
25K
15.53 mi13:28:172:28:369:3424:22
10:03
+0:33
30K
18.64 mi13:59:262:59:459:3931:09
10:02
-0:01
20M
20.00 mi14:13:373:13:569:4214:11
10:26
+0:24
21M
21.00 mi14:25:193:25:389:4811:42
11:42
+1:16
35K
21.75 mi14:32:343:32:539:477:15
9:41
-2:01
23M
23.00 mi14:45:063:45:259:4812:32
10:01
+0:20
24M
24.00 mi14:55:023:55:219:489:56
9:56
-0:05
40K
24.85 mi15:03:334:03:529:498:31
9:58
+0:02
25.2M
25.20 mi15:07:184:07:379:503:45
10:52
+0:54
Finish
26.22 mi15:17:224:17:419:5010:04
9:53
-0:59

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

9:13 /mi

Average Pace

9:50 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:15

37% of race

Time at Steady Pace

2:13:48

52% of race

Time at Slower Pace

29:38

11% of race

Average Pace: 9:50 /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 mi11:28:1928:389:1328:38
9:13
#21268
10K
6.21 mi11:57:4158:009:2029:22
9:27
#21836
15K
9.32 mi12:27:271:27:469:2529:46
9:35
#22033
20K
12.43 mi12:57:261:57:459:2929:59
9:39
#22022
Half
13.11 mi13:03:552:04:149:296:29
9:30
#22034
25K
15.53 mi13:28:172:28:369:3424:22
10:03
#22075
30K
18.64 mi13:59:262:59:459:3931:09
10:02
#21906
20M
20.00 mi14:13:373:13:569:4214:11
10:26
#21871
21M
21.00 mi14:25:193:25:389:4811:42
11:42
#21912
35K
21.75 mi14:32:343:32:539:477:15
9:41
#21864
23M
23.00 mi14:45:063:45:259:4812:32
10:01
#21746
24M
24.00 mi14:55:023:55:219:489:56
9:56
#21703
40K
24.85 mi15:03:334:03:529:498:31
9:58
#21647
25.2M
25.20 mi15:07:184:07:379:503:45
10:52
#21619
Finish
26.22 mi15:17:224:17:419:5010:04
9:53
#21604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi212688511851122479(Top 84%)9054(Top 79%)9054(Top 1111%)
10K6.21 mi3.10 mi21836-5688762-2518762-25122376(Top 84%)9017(Top 79%)9017(Top 1106%)
15K9.32 mi3.11 mi22033-1978857-958857-9522479(Top 84%)9054(Top 79%)9054(Top 1111%)
20K12.43 mi3.11 mi22022+118849+88849+822015(Top 83%)8808(Top 77%)8808(Top 1081%)
Half13.11 mi0.68 mi22034-128847+28847+222124(Top 83%)8848(Top 77%)8848(Top 1086%)
25K15.53 mi2.42 mi22075-418866-198866-1922324(Top 84%)9010(Top 79%)9010(Top 1106%)
30K18.64 mi3.11 mi21906+1698785+818785+8121108(Top 79%)8407(Top 74%)8407(Top 1032%)
20M20.00 mi1.36 mi21871+358773+128773+1221595(Top 81%)8751(Top 77%)8751(Top 1074%)
21M21.00 mi1.00 mi21912-418807-348807-3422243(Top 84%)9136(Top 80%)9136(Top 1121%)
35K21.75 mi0.75 mi21864+488786+218786+2120471(Top 77%)8213(Top 72%)8213(Top 1008%)
23M23.00 mi1.25 mi21746+1188740+468740+4620031(Top 75%)7976(Top 70%)7976(Top 979%)
24M24.00 mi1.00 mi21703+438730+108730+1020608(Top 77%)8331(Top 73%)8331(Top 1022%)
40K24.85 mi0.85 mi21647+568705+258705+2519882(Top 75%)7999(Top 70%)7999(Top 981%)
25.2M25.20 mi0.35 mi21619+288697+88697+820202(Top 76%)8171(Top 72%)8171(Top 1003%)
Finish26.22 mi1.02 mi21604+158696+18696+121427(Top 80%)8802(Top 77%)8802(Top 1080%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22479

Females

9054

F55-59

9054

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22376

Females

9017

F55-59

9017

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22479

Females

9054

F55-59

9054

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22015

Females

8808

F55-59

8808

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22124

Females

8848

F55-59

8848

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22324

Females

9010

F55-59

9010

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21108

Females

8407

F55-59

8407

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21595

Females

8751

F55-59

8751

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22243

Females

9136

F55-59

9136

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20471

Females

8213

F55-59

8213

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20031

Females

7976

F55-59

7976

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20608

Females

8331

F55-59

8331

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19882

Females

7999

F55-59

7999

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20202

Females

8171

F55-59

8171

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21427

Females

8802

F55-59

8802

Passing Analysis

Category:
Athletes Passed
1178
Passed By
1514
Net Change
-336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21268
5K10K77645-568#21268#21836
10K15K92289-197#21836#22033
15K20K142131+11#22033#22022
20KHalf2436-12#22022#22034
Half25K88129-41#22034#22075
25K30K23162+169#22075#21906
30K20M8550+35#21906#21871
20M21M4384-41#21871#21912
21M35K535+48#21912#21864
35K23M13416+118#21864#21746
23M24M5916+43#21746#21703
24M40K6610+56#21703#21647
40K25.2M3911+28#21647#21619
25.2MFinish4530+15#21619#21604
TOTALS11781514-336
📊

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