Samantha Grainger

Bib: 11480F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:29
Rank: #7734
Start5K
7:14/mi
22:29 split
10K· 6.21 mi
45:00
Rank: #8055 (-321)
5K10K
7:15/mi
22:31 split
15K· 9.32 mi
1:07:32
Rank: #8086 (-31)
10K15K
7:15/mi
22:32 split
20K· 12.43 mi
1:30:16
Rank: #8001 (+85)
15K20K
7:19/mi
22:44 split
Half· 13.11 mi
1:35:12
Rank: #7997 (+4)
20KHalf
7:14/mi
4:56 split
25K· 15.53 mi
1:53:06
Rank: #7935 (+62)
Half25K
7:23/mi
17:54 split
30K· 18.64 mi
2:16:55
Rank: #7982 (-47)
25K30K
7:40/mi
23:49 split
20M
2:27:31
Rank: #7987 (-5)
30K20M
7:48/mi
10:36 split
21M
2:35:45
Rank: #8006 (-19)
20M21M
8:14/mi
8:14 split
35K· 21.75 mi
2:41:31
Rank: #8071 (-65)
21M35K
7:42/mi
5:46 split
23M
2:51:28
Rank: #8121 (-50)
35K23M
7:57/mi
9:57 split
24M
2:59:31
Rank: #8257 (-136)
23M24M
8:03/mi
8:03 split
40K· 24.85 mi
3:06:37
Rank: #8378 (-121)
24M40K
8:18/mi
7:06 split
25.2M
3:09:38
Rank: #8411 (-33)
40K25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:17:49
Rank: #8560 (-149)
25.2MFinish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:12
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2622:297:1422:29
7:14
-
10K
6.21 mi11:11:5745:007:1522:31
7:15
+0:01
15K
9.32 mi11:34:291:07:327:1522:32
7:15
0:00
20K
12.43 mi11:57:131:30:167:1622:44
7:19
+0:04
Half
13.11 mi12:02:091:35:127:164:56
7:14
-0:05
25K
15.53 mi12:20:031:53:067:1717:54
7:23
+0:09
30K
18.64 mi12:43:522:16:557:2123:49
7:40
+0:17
20M
20.00 mi12:54:282:27:317:2310:36
7:48
+0:08
21M
21.00 mi13:02:422:35:457:258:14
8:14
+0:26
35K
21.75 mi13:08:282:41:317:265:46
7:42
-0:32
23M
23.00 mi13:18:252:51:287:279:57
7:57
+0:15
24M
24.00 mi13:26:282:59:317:298:03
8:03
+0:06
40K
24.85 mi13:33:343:06:377:307:06
8:18
+0:15
25.2M
25.20 mi13:36:353:09:387:323:01
8:45
+0:27
Finish
26.22 mi13:44:463:17:497:338:11
8:02
-0:43

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

7:14 /mi

Average Pace

7:33 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:06

57% of race

Time at Steady Pace

40:11

20% of race

Time at Slower Pace

44:32

23% of race

Average Pace: 7:33 /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 mi10:49:2622:297:1422:29
7:14
#7734
10K
6.21 mi11:11:5745:007:1522:31
7:15
#8055
15K
9.32 mi11:34:291:07:327:1522:32
7:15
#8086
20K
12.43 mi11:57:131:30:167:1622:44
7:19
#8001
Half
13.11 mi12:02:091:35:127:164:56
7:14
#7997
25K
15.53 mi12:20:031:53:067:1717:54
7:23
#7935
30K
18.64 mi12:43:522:16:557:2123:49
7:40
#7982
20M
20.00 mi12:54:282:27:317:2310:36
7:48
#7987
21M
21.00 mi13:02:422:35:457:258:14
8:14
#8006
35K
21.75 mi13:08:282:41:317:265:46
7:42
#8071
23M
23.00 mi13:18:252:51:287:279:57
7:57
#8121
24M
24.00 mi13:26:282:59:317:298:03
8:03
#8257
40K
24.85 mi13:33:343:06:377:307:06
8:18
#8378
25.2M
25.20 mi13:36:353:09:387:323:01
8:45
#8411
Finish
26.22 mi13:44:463:17:497:338:11
8:02
#8560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77349229228201(Top 31%)1146(Top 10%)1146(Top 23%)
10K6.21 mi3.10 mi8055-3211053-1311053-1318486(Top 32%)1226(Top 11%)1226(Top 25%)
15K9.32 mi3.11 mi8086-311071-181071-188201(Top 31%)1146(Top 10%)1146(Top 23%)
20K12.43 mi3.11 mi8001+851057+141057+147928(Top 30%)1083(Top 9%)1083(Top 22%)
Half13.11 mi0.68 mi7997+41060-31060-38156(Top 31%)1162(Top 10%)1162(Top 24%)
25K15.53 mi2.42 mi7935+621053+71053+77900(Top 30%)1158(Top 10%)1158(Top 24%)
30K18.64 mi3.11 mi7982-471108-551108-558416(Top 32%)1469(Top 13%)1469(Top 30%)
20M20.00 mi1.36 mi7987-51130-221130-228879(Top 33%)1746(Top 15%)1746(Top 36%)
21M21.00 mi1.00 mi8006-191150-201150-208817(Top 33%)1844(Top 16%)1844(Top 38%)
35K21.75 mi0.75 mi8071-651189-391189-3910000(Top 38%)2338(Top 20%)2338(Top 48%)
23M23.00 mi1.25 mi8121-501232-431232-439403(Top 35%)2212(Top 19%)2212(Top 45%)
24M24.00 mi1.00 mi8257-1361300-681300-6811585(Top 44%)3363(Top 29%)3363(Top 69%)
40K24.85 mi0.85 mi8378-1211368-681368-6812066(Top 45%)3691(Top 32%)3691(Top 76%)
25.2M25.20 mi0.35 mi8411-331389-211389-2111026(Top 41%)3184(Top 28%)3184(Top 65%)
Finish26.22 mi1.02 mi8560-1491467-781467-7812343(Top 46%)3874(Top 34%)3874(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8201

Females

1146

F18-39

1146

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8486

Females

1226

F18-39

1226

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8201

Females

1146

F18-39

1146

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7928

Females

1083

F18-39

1083

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8156

Females

1162

F18-39

1162

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7900

Females

1158

F18-39

1158

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8416

Females

1469

F18-39

1469

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8879

Females

1746

F18-39

1746

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8817

Females

1844

F18-39

1844

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10000

Females

2338

F18-39

2338

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9403

Females

2212

F18-39

2212

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11585

Females

3363

F18-39

3363

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12066

Females

3691

F18-39

3691

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11026

Females

3184

F18-39

3184

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12343

Females

3874

F18-39

3874

Passing Analysis

Category:
Athletes Passed
986
Passed By
1812
Net Change
-826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7734
5K10K99420-321#7734#8055
10K15K117148-31#8055#8086
15K20K16479+85#8086#8001
20KHalf2420+4#8001#7997
Half25K12058+62#7997#7935
25K30K112159-47#7935#7982
30K20M8590-5#7982#7987
20M21M6988-19#7987#8006
21M35K2691-65#8006#8071
35K23M63113-50#8071#8121
23M24M36172-136#8121#8257
24M40K27148-121#8257#8378
40K25.2M1851-33#8378#8411
25.2MFinish26175-149#8411#8560
TOTALS9861812-826
📊

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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing