Amy Dong

Bib: 19828F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F50-54)
#0 / 1207
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:33/mi
26:33
973451.5%
10K· 6.21 mi
8:13/mi
52:05
791380.4%
15K· 9.32 mi
8:08/mi
1:17:22
6778
20K· 12.43 mi
8:17/mi
1:43:07
106860.1%
Half· 13.11 mi
8:18/mi
1:48:47
19370.5%
25K· 15.53 mi
8:19/mi
2:08:58
66880.2%
30K· 18.64 mi
8:29/mi
2:35:19
1811480.2%
20M
8:31/mi
2:46:53
64500.2%
21M
9:13/mi
2:56:06
106241.6%
35K· 21.75 mi
8:25/mi
3:02:24
17861.7%
23M
8:45/mi
3:13:21
23630.6%
24M
8:20/mi
3:21:41
821.3%
40K· 24.85 mi
8:36/mi
3:29:02
200.3%
25.2M
9:17/mi
3:32:14
13160.2%
Finish· 26.22 mi
8:32/mi
3:40:56
2221

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:52:09
Pace8:33 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2526:338:3326:33
8:33
-
10K
6.21 mi11:47:5752:058:2325:32
8:13
-0:20
15K
9.32 mi12:13:141:17:228:1825:17
8:08
-0:05
20K
12.43 mi12:38:591:43:078:1825:45
8:17
+0:09
Half
13.11 mi12:44:391:48:478:185:40
8:18
+0:01
25K
15.53 mi13:04:502:08:588:1820:11
8:19
+0:01
30K
18.64 mi13:31:112:35:198:2026:21
8:29
+0:10
20M
20.00 mi13:42:452:46:538:2111:34
8:31
+0:02
21M
21.00 mi13:51:582:56:068:239:13
9:13
+0:42
35K
21.75 mi13:58:163:02:248:236:18
8:25
-0:48
23M
23.00 mi14:09:133:13:218:2410:57
8:45
+0:20
24M
24.00 mi14:17:333:21:418:248:20
8:20
-0:25
40K
24.85 mi14:24:543:29:028:257:21
8:36
+0:16
25.2M
25.20 mi14:28:063:32:148:253:12
9:17
+0:41
Finish
26.22 mi14:36:483:40:568:268:42
8:32
-0:45

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

8:08 /mi

Average Pace

8:26 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:31

94% of race

Time at Steady Pace

12:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:22:2526:338:3326:33
8:33
#17880
10K
6.21 mi11:47:5752:058:2325:32
8:13
#17086
15K
9.32 mi12:13:141:17:228:1825:17
8:08
#16521
20K
12.43 mi12:38:591:43:078:1825:45
8:17
#16269
Half
13.11 mi12:44:391:48:478:185:40
8:18
#16266
25K
15.53 mi13:04:502:08:588:1820:11
8:19
#16047
30K
18.64 mi13:31:112:35:198:2026:21
8:29
#15696
20M
20.00 mi13:42:452:46:538:2111:34
8:31
#15522
21M
21.00 mi13:51:582:56:068:239:13
9:13
#15428
35K
21.75 mi13:58:163:02:248:236:18
8:25
#15399
23M
23.00 mi14:09:133:13:218:2410:57
8:45
#15336
24M
24.00 mi14:17:333:21:418:248:20
8:20
#15232
40K
24.85 mi14:24:543:29:028:257:21
8:36
#15183
25.2M
25.20 mi14:28:063:32:148:253:12
9:17
#15141
Finish
26.22 mi14:36:483:40:568:268:42
8:32
#15168
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178806471647115431(Top 58%)4934(Top 43%)4934(Top 409%)
10K6.21 mi3.10 mi17086+7945973+4985973+49816398(Top 62%)5510(Top 48%)5510(Top 457%)
15K9.32 mi3.11 mi16521+5655611+3625611+36215431(Top 58%)4934(Top 43%)4934(Top 409%)
20K12.43 mi3.11 mi16269+2525468+1435468+14315549(Top 58%)5063(Top 44%)5063(Top 419%)
Half13.11 mi0.68 mi16266+35467+15467+116522(Top 62%)5605(Top 49%)5605(Top 464%)
25K15.53 mi2.42 mi16047+2195365+1025365+10215112(Top 57%)4917(Top 43%)4917(Top 407%)
30K18.64 mi3.11 mi15696+3515187+1785187+17814207(Top 53%)4459(Top 39%)4459(Top 369%)
20M20.00 mi1.36 mi15522+1745103+845103+8413731(Top 52%)4264(Top 37%)4264(Top 353%)
21M21.00 mi1.00 mi15428+945076+275076+2714585(Top 55%)4815(Top 42%)4815(Top 399%)
35K21.75 mi0.75 mi15399+295069+75069+714879(Top 56%)5034(Top 44%)5034(Top 417%)
23M23.00 mi1.25 mi15336+635054+155054+1514690(Top 55%)5003(Top 44%)5003(Top 414%)
24M24.00 mi1.00 mi15232+1044996+584996+5813476(Top 51%)4386(Top 38%)4386(Top 363%)
40K24.85 mi0.85 mi15183+494984+124984+1213966(Top 52%)4729(Top 41%)4729(Top 392%)
25.2M25.20 mi0.35 mi15141+424972+124972+1214150(Top 53%)4834(Top 42%)4834(Top 400%)
Finish26.22 mi1.02 mi15168-275011-395011-3915648(Top 59%)5616(Top 49%)5616(Top 465%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15431

Females

4934

F50-54

4934

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16398

Females

5510

F50-54

5510

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15431

Females

4934

F50-54

4934

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15549

Females

5063

F50-54

5063

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16522

Females

5605

F50-54

5605

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15112

Females

4917

F50-54

4917

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14207

Females

4459

F50-54

4459

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13731

Females

4264

F50-54

4264

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14585

Females

4815

F50-54

4815

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14879

Females

5034

F50-54

5034

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14690

Females

5003

F50-54

5003

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13476

Females

4386

F50-54

4386

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13966

Females

4729

F50-54

4729

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14150

Females

4834

F50-54

4834

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15648

Females

5616

F50-54

5616

Passing Analysis

Category:
Athletes Passed
3308
Passed By
596
Net Change
+2712
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17880
5K10K89096+794#17880#17086
10K15K60843+565#17086#16521
15K20K30351+252#16521#16269
20KHalf3936+3#16269#16266
Half25K26344+219#16266#16047
25K30K38736+351#16047#15696
30K20M18713+174#15696#15522
20M21M13642+94#15522#15428
21M35K6233+29#15428#15399
35K23M11653+63#15399#15336
23M24M12016+104#15336#15232
24M40K8334+49#15232#15183
40K25.2M5715+42#15183#15141
25.2MFinish5784-27#15141#15168
TOTALS3308596+2712
📊

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