Erin Ding

Bib: 8456F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F40-44)
#0 / 1718
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #15671
Start5K
24:32 | 7:54/mi
10K· 6.21 mi
49:39
Rank: #16441 (-770)
5K10K
25:07 | 8:05/mi
15K· 9.32 mi
1:14:42
Rank: #16446 (-5)
10K15K
25:03 | 8:04/mi
20K· 12.43 mi
1:40:24
Rank: #16527 (-81)
15K20K
25:42 | 8:16/mi
Half· 13.11 mi
1:45:49
Rank: #16468 (+59)
20KHalf
5:25 | 7:56/mi
25K· 15.53 mi
2:05:29
Rank: #16157 (+311)
Half25K
19:40 | 8:07/mi
30K· 18.64 mi
2:31:57
Rank: #15880 (+277)
25K30K
26:28 | 8:31/mi
20M
2:43:32
Rank: #15675 (+205)
30K20M
11:35 | 8:31/mi
21M
2:52:51
Rank: #15624 (+51)
20M21M
9:19 | 9:19/mi
35K· 21.75 mi
2:59:04
Rank: #15559 (+65)
21M35K
6:13 | 8:19/mi
23M
3:09:41
Rank: #15357 (+202)
35K23M
10:37 | 8:29/mi
24M
3:18:11
Rank: #15310 (+47)
23M24M
8:30 | 8:30/mi
40K· 24.85 mi
3:25:26
Rank: #15206 (+104)
24M40K
7:15 | 8:29/mi
25.2M
3:28:39
Rank: #15181 (+25)
40K25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:36:53
Rank: #15071 (+110)
25.2MFinish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:49
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:51:04
Pace8:28 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:4024:327:5424:32
7:54
-
10K
6.21 mi10:58:4749:397:5925:07
8:05
+0:11
15K
9.32 mi11:23:501:14:428:0125:03
8:04
-0:01
20K
12.43 mi11:49:321:40:248:0525:42
8:16
+0:12
Half
13.11 mi11:54:571:45:498:045:25
7:56
-0:20
25K
15.53 mi12:14:372:05:298:0519:40
8:07
+0:11
30K
18.64 mi12:41:052:31:578:0926:28
8:31
+0:24
20M
20.00 mi12:52:402:43:328:1111:35
8:31
0:00
21M
21.00 mi13:01:592:52:518:149:19
9:19
+0:48
35K
21.75 mi13:08:122:59:048:146:13
8:19
-1:00
23M
23.00 mi13:18:493:09:418:1510:37
8:29
+0:10
24M
24.00 mi13:27:193:18:118:158:30
8:30
+0:01
40K
24.85 mi13:34:343:25:268:167:15
8:29
-0:01
25.2M
25.20 mi13:37:473:28:398:173:13
9:20
+0:51
Finish
26.22 mi13:46:013:36:538:178:14
8:05
-1:15

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

7:54 /mi

Average Pace

8:17 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:21

94% of race

Time at Steady Pace

9:19

4% of race

Time at Slower Pace

3:13

1% of race

Average Pace: 8:16 /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 mi10:33:4024:327:5424:32
7:54
#15671
10K
6.21 mi10:58:4749:397:5925:07
8:05
#16441
15K
9.32 mi11:23:501:14:428:0125:03
8:04
#16446
20K
12.43 mi11:49:321:40:248:0525:42
8:16
#16527
Half
13.11 mi11:54:571:45:498:045:25
7:56
#16468
25K
15.53 mi12:14:372:05:298:0519:40
8:07
#16157
30K
18.64 mi12:41:052:31:578:0926:28
8:31
#15880
20M
20.00 mi12:52:402:43:328:1111:35
8:31
#15675
21M
21.00 mi13:01:592:52:518:149:19
9:19
#15624
35K
21.75 mi13:08:122:59:048:146:13
8:19
#15559
23M
23.00 mi13:18:493:09:418:1510:37
8:29
#15357
24M
24.00 mi13:27:193:18:118:158:30
8:30
#15310
40K
24.85 mi13:34:343:25:268:167:15
8:29
#15206
25.2M
25.20 mi13:37:473:28:398:173:13
9:20
#15181
Finish
26.22 mi13:46:013:36:538:178:14
8:05
#15071
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156714938493816512(Top 58%)5444(Top 45%)5444(Top 317%)
10K6.21 mi3.10 mi16441-7705405-4675405-46717090(Top 60%)5755(Top 47%)5755(Top 335%)
15K9.32 mi3.11 mi16446-55405540516512(Top 58%)5444(Top 45%)5444(Top 317%)
20K12.43 mi3.11 mi16527-815448-435448-4316777(Top 59%)5651(Top 46%)5651(Top 329%)
Half13.11 mi0.68 mi16468+595419+295419+2915484(Top 55%)4884(Top 40%)4884(Top 284%)
25K15.53 mi2.42 mi16157+3115250+1695250+16914731(Top 52%)4606(Top 38%)4606(Top 268%)
30K18.64 mi3.11 mi15880+2775155+955155+9514879(Top 52%)4837(Top 40%)4837(Top 282%)
20M20.00 mi1.36 mi15675+2055083+725083+7213963(Top 49%)4498(Top 37%)4498(Top 262%)
21M21.00 mi1.00 mi15624+515088-55088-515249(Top 54%)5313(Top 43%)5313(Top 309%)
35K21.75 mi0.75 mi15559+655069+195069+1914343(Top 50%)4874(Top 40%)4874(Top 284%)
23M23.00 mi1.25 mi15357+2024986+834986+8313205(Top 46%)4382(Top 36%)4382(Top 255%)
24M24.00 mi1.00 mi15310+474989-34989-314525(Top 51%)5110(Top 42%)5110(Top 297%)
40K24.85 mi0.85 mi15206+1044963+264963+2613335(Top 47%)4622(Top 38%)4622(Top 269%)
25.2M25.20 mi0.35 mi15181+254955+84955+813673(Top 48%)4853(Top 40%)4853(Top 282%)
Finish26.22 mi1.02 mi15071+1104914+414914+4113475(Top 47%)4683(Top 38%)4683(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16512

Females

5444

F40-44

5444

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17090

Females

5755

F40-44

5755

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16512

Females

5444

F40-44

5444

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16777

Females

5651

F40-44

5651

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15484

Females

4884

F40-44

4884

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14731

Females

4606

F40-44

4606

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14879

Females

4837

F40-44

4837

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13963

Females

4498

F40-44

4498

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15249

Females

5313

F40-44

5313

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14343

Females

4874

F40-44

4874

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13205

Females

4382

F40-44

4382

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14525

Females

5110

F40-44

5110

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13335

Females

4622

F40-44

4622

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13673

Females

4853

F40-44

4853

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13475

Females

4683

F40-44

4683

Passing Analysis

Category:
Athletes Passed
2333
Passed By
1733
Net Change
+600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15671
5K10K99869-770#15671#16441
10K15K208213-5#16441#16446
15K20K187268-81#16446#16527
20KHalf7112+59#16527#16468
Half25K33827+311#16468#16157
25K30K35982+277#16157#15880
30K20M23631+205#15880#15675
20M21M13382+51#15675#15624
21M35K9126+65#15624#15559
35K23M21917+202#15559#15357
23M24M9245+47#15357#15310
24M40K11915+104#15310#15206
40K25.2M4419+25#15206#15181
25.2MFinish13727+110#15181#15071
TOTALS23331733+600
📊

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