Shelly Ambrose

Bib: 20541F

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F50-54)
#0 / 1303
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:20
Rank: #17783
Start5K
25:20 | 8:09/mi
10K· 6.21 mi
50:24
Rank: #17336 (+447)
5K10K
25:04 | 8:04/mi
15K· 9.32 mi
1:16:12
Rank: #17608 (-272)
10K15K
25:48 | 8:18/mi
20K· 12.43 mi
1:42:25
Rank: #17622 (-14)
15K20K
26:13 | 8:26/mi
Half· 13.11 mi
1:48:05
Rank: #17639 (-17)
20KHalf
5:40 | 8:18/mi
25K· 15.53 mi
2:08:30
Rank: #17430 (+209)
Half25K
20:25 | 8:25/mi
30K· 18.64 mi
2:35:16
Rank: #17012 (+418)
25K30K
26:46 | 8:37/mi
20M
2:47:09
Rank: #16871 (+141)
30K20M
11:53 | 8:45/mi
21M
2:56:22
Rank: #16702 (+169)
20M21M
9:13 | 9:13/mi
35K· 21.75 mi
3:02:42
Rank: #16623 (+79)
21M35K
6:20 | 8:28/mi
23M
3:13:31
Rank: #16427 (+196)
35K23M
10:49 | 8:38/mi
24M
3:22:04
Rank: #16334 (+93)
23M24M
8:33 | 8:33/mi
40K· 24.85 mi
3:29:24
Rank: #16243 (+91)
24M40K
7:20 | 8:35/mi
25.2M
3:32:32
Rank: #16164 (+79)
40K25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:40:54
Rank: #16094 (+70)
25.2MFinish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:05
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:52:49
Pace8:36 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3825:208:0925:20
8:09
-
10K
6.21 mi11:44:4250:248:0725:04
8:04
-0:05
15K
9.32 mi12:10:301:16:128:1125:48
8:18
+0:14
20K
12.43 mi12:36:431:42:258:1426:13
8:26
+0:08
Half
13.11 mi12:42:231:48:058:155:40
8:18
-0:08
25K
15.53 mi13:02:482:08:308:1620:25
8:25
+0:07
30K
18.64 mi13:29:342:35:168:2026:46
8:37
+0:12
20M
20.00 mi13:41:272:47:098:2111:53
8:45
+0:08
21M
21.00 mi13:50:402:56:228:249:13
9:13
+0:28
35K
21.75 mi13:57:003:02:428:246:20
8:28
-0:45
23M
23.00 mi14:07:493:13:318:2510:49
8:38
+0:10
24M
24.00 mi14:16:223:22:048:258:33
8:33
-0:05
40K
24.85 mi14:23:423:29:248:257:20
8:35
+0:02
25.2M
25.20 mi14:26:503:32:328:263:08
9:05
+0:30
Finish
26.22 mi14:35:123:40:548:268:22
8:13
-0:52

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

8:04 /mi

Average Pace

8:26 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:33

94% of race

Time at Steady Pace

12:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:19:3825:208:0925:20
8:09
#17783
10K
6.21 mi11:44:4250:248:0725:04
8:04
#17336
15K
9.32 mi12:10:301:16:128:1125:48
8:18
#17608
20K
12.43 mi12:36:431:42:258:1426:13
8:26
#17622
Half
13.11 mi12:42:231:48:058:155:40
8:18
#17639
25K
15.53 mi13:02:482:08:308:1620:25
8:25
#17430
30K
18.64 mi13:29:342:35:168:2026:46
8:37
#17012
20M
20.00 mi13:41:272:47:098:2111:53
8:45
#16871
21M
21.00 mi13:50:402:56:228:249:13
9:13
#16702
35K
21.75 mi13:57:003:02:428:246:20
8:28
#16623
23M
23.00 mi14:07:493:13:318:2510:49
8:38
#16427
24M
24.00 mi14:16:223:22:048:258:33
8:33
#16334
40K
24.85 mi14:23:423:29:248:257:20
8:35
#16243
25.2M
25.20 mi14:26:503:32:328:263:08
9:05
#16164
Finish
26.22 mi14:35:123:40:548:268:22
8:13
#16094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177836204620418086(Top 64%)6368(Top 52%)6368(Top 489%)
10K6.21 mi3.10 mi17336+4475931+2735931+27316982(Top 60%)5694(Top 47%)5694(Top 437%)
15K9.32 mi3.11 mi17608-2726084-1536084-15318086(Top 64%)6368(Top 52%)6368(Top 489%)
20K12.43 mi3.11 mi17622-146112-286112-2817798(Top 63%)6222(Top 51%)6222(Top 478%)
Half13.11 mi0.68 mi17639-176120-86120-817969(Top 63%)6286(Top 51%)6286(Top 482%)
25K15.53 mi2.42 mi17430+2096017+1036017+10316705(Top 59%)5690(Top 47%)5690(Top 437%)
30K18.64 mi3.11 mi17012+4185824+1935824+19315489(Top 55%)5172(Top 42%)5172(Top 397%)
20M20.00 mi1.36 mi16871+1415764+605764+6015362(Top 54%)5241(Top 43%)5241(Top 402%)
21M21.00 mi1.00 mi16702+1695703+615703+6114738(Top 52%)5025(Top 41%)5025(Top 386%)
35K21.75 mi0.75 mi16623+795676+275676+2715286(Top 54%)5397(Top 44%)5397(Top 414%)
23M23.00 mi1.25 mi16427+1965587+895587+8914208(Top 50%)4911(Top 40%)4911(Top 377%)
24M24.00 mi1.00 mi16334+935568+195568+1914847(Top 52%)5302(Top 43%)5302(Top 407%)
40K24.85 mi0.85 mi16243+915539+295539+2913959(Top 49%)4945(Top 40%)4945(Top 380%)
25.2M25.20 mi0.35 mi16164+795503+365503+3612406(Top 44%)4205(Top 34%)4205(Top 323%)
Finish26.22 mi1.02 mi16094+705485+185485+1814369(Top 51%)5142(Top 42%)5142(Top 395%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18086

Females

6368

F50-54

6368

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16982

Females

5694

F50-54

5694

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18086

Females

6368

F50-54

6368

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17798

Females

6222

F50-54

6222

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17969

Females

6286

F50-54

6286

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16705

Females

5690

F50-54

5690

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15489

Females

5172

F50-54

5172

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15362

Females

5241

F50-54

5241

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14738

Females

5025

F50-54

5025

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15286

Females

5397

F50-54

5397

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14208

Females

4911

F50-54

4911

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14847

Females

5302

F50-54

5302

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13959

Females

4945

F50-54

4945

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12406

Females

4205

F50-54

4205

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14369

Females

5142

F50-54

5142

Passing Analysis

Category:
Athletes Passed
2744
Passed By
1055
Net Change
+1689
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17783
5K10K565118+447#17783#17336
10K15K114386-272#17336#17608
15K20K187201-14#17608#17622
20KHalf2542-17#17622#17639
Half25K27566+209#17639#17430
25K30K45941+418#17430#17012
30K20M16625+141#17012#16871
20M21M20132+169#16871#16702
21M35K10223+79#16702#16623
35K23M21519+196#16623#16427
23M24M13138+93#16427#16334
24M40K11625+91#16334#16243
40K25.2M845+79#16243#16164
25.2MFinish10434+70#16164#16094
TOTALS27441055+1689
📊

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