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BOSTON MARATHON 2023

Amanda Grandprey

Bib: 31938•F

NH

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:52
Rank: #23291
Start → 5K
30:52 | 9:56/mi
10K· 6.21 mi
59:23
Rank: #22485 (+806)
5K → 10K
28:31 | 9:11/mi
15K· 9.32 mi
1:27:15
Rank: #21871 (+614)
10K → 15K
27:52 | 8:58/mi
20K· 12.43 mi
1:56:31
Rank: #21733 (+138)
15K → 20K
29:16 | 9:25/mi
Half· 13.11 mi
2:02:42
Rank: #21701 (+32)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:25:08
Rank: #21411 (+290)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:54:22
Rank: #21021 (+390)
25K → 30K
29:14 | 9:25/mi
20M
3:07:10
Rank: #20819 (+202)
30K → 20M
12:48 | 9:25/mi
21M
3:16:46
Rank: #20580 (+239)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:23:34
Rank: #20498 (+82)
21M → 35K
6:48 | 9:05/mi
23M
3:35:40
Rank: #20393 (+105)
35K → 23M
12:06 | 9:40/mi
24M
3:45:09
Rank: #20341 (+52)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
3:53:29
Rank: #20275 (+66)
24M → 40K
8:20 | 9:45/mi
25.2M
3:57:08
Rank: #20261 (+14)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:06:41
Rank: #20238 (+23)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:42
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:03:59
Pace9:27 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5430:529:5630:52
9:56
-
10K
6.21 mi12:20:2559:239:3328:31
9:11
-0:45
15K
9.32 mi12:48:171:27:159:2227:52
8:58
-0:13
20K
12.43 mi13:17:331:56:319:2329:16
9:25
+0:27
Half
13.11 mi13:23:442:02:429:226:11
9:04
-0:21
25K
15.53 mi13:46:102:25:089:2122:26
9:15
+0:11
30K
18.64 mi14:15:242:54:229:2129:14
9:25
+0:10
20M
20.00 mi14:28:123:07:109:2112:48
9:25
0:00
21M
21.00 mi14:37:483:16:469:229:36
9:36
+0:11
35K
21.75 mi14:44:363:23:349:226:48
9:05
-0:31
23M
23.00 mi14:56:423:35:409:2312:06
9:40
+0:35
24M
24.00 mi15:06:113:45:099:239:29
9:29
-0:11
40K
24.85 mi15:14:313:53:299:248:20
9:45
+0:16
25.2M
25.20 mi15:18:103:57:089:253:39
10:35
+0:50
Finish
26.22 mi15:27:434:06:419:259:33
9:22
-1:13

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

8:58 /mi

Average Pace

9:25 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:10

86% of race

Time at Steady Pace

30:52

13% of race

Time at Slower Pace

3:39

1% of race

Average Pace: 9:24 /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 mi11:51:5430:529:5630:52
9:56
#23291
10K
6.21 mi12:20:2559:239:3328:31
9:11
#22485
15K
9.32 mi12:48:171:27:159:2227:52
8:58
#21871
20K
12.43 mi13:17:331:56:319:2329:16
9:25
#21733
Half
13.11 mi13:23:442:02:429:226:11
9:04
#21701
25K
15.53 mi13:46:102:25:089:2122:26
9:15
#21411
30K
18.64 mi14:15:242:54:229:2129:14
9:25
#21021
20M
20.00 mi14:28:123:07:109:2112:48
9:25
#20819
21M
21.00 mi14:37:483:16:469:229:36
9:36
#20580
35K
21.75 mi14:44:363:23:349:226:48
9:05
#20498
23M
23.00 mi14:56:423:35:409:2312:06
9:40
#20393
24M
24.00 mi15:06:113:45:099:239:29
9:29
#20341
40K
24.85 mi15:14:313:53:299:248:20
9:45
#20275
25.2M
25.20 mi15:18:103:57:089:253:39
10:35
#20261
Finish
26.22 mi15:27:434:06:419:259:33
9:22
#20238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi232919542954220369(Top 77%)7885(Top 69%)7885(Top 161%)
10K6.21 mi3.10 mi22485+8069094+4489094+44821557(Top 81%)8576(Top 75%)8576(Top 176%)
15K9.32 mi3.11 mi21871+6148764+3308764+33020369(Top 77%)7885(Top 69%)7885(Top 161%)
20K12.43 mi3.11 mi21733+1388672+928672+9221302(Top 80%)8403(Top 74%)8403(Top 172%)
Half13.11 mi0.68 mi21701+328660+128660+1220723(Top 78%)8085(Top 71%)8085(Top 166%)
25K15.53 mi2.42 mi21411+2908492+1688492+16820040(Top 75%)7718(Top 68%)7718(Top 158%)
30K18.64 mi3.11 mi21021+3908296+1968296+19619095(Top 72%)7250(Top 63%)7250(Top 148%)
20M20.00 mi1.36 mi20819+2028189+1078189+10718563(Top 70%)7065(Top 62%)7065(Top 145%)
21M21.00 mi1.00 mi20580+2398074+1158074+11516458(Top 62%)5897(Top 52%)5897(Top 121%)
35K21.75 mi0.75 mi20498+828040+348040+3418316(Top 69%)7017(Top 61%)7017(Top 144%)
23M23.00 mi1.25 mi20393+1057990+507990+5018972(Top 71%)7394(Top 65%)7394(Top 151%)
24M24.00 mi1.00 mi20341+527968+227968+2219167(Top 72%)7543(Top 66%)7543(Top 154%)
40K24.85 mi0.85 mi20275+667946+227946+2219216(Top 72%)7615(Top 67%)7615(Top 156%)
25.2M25.20 mi0.35 mi20261+147943+37943+319398(Top 73%)7732(Top 68%)7732(Top 158%)
Finish26.22 mi1.02 mi20238+237935+87935+819677(Top 74%)7823(Top 68%)7823(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20369

Females

7885

F18-39

7885

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21557

Females

8576

F18-39

8576

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20369

Females

7885

F18-39

7885

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21302

Females

8403

F18-39

8403

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20723

Females

8085

F18-39

8085

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20040

Females

7718

F18-39

7718

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19095

Females

7250

F18-39

7250

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18563

Females

7065

F18-39

7065

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16458

Females

5897

F18-39

5897

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18316

Females

7017

F18-39

7017

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18972

Females

7394

F18-39

7394

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19167

Females

7543

F18-39

7543

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19216

Females

7615

F18-39

7615

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19398

Females

7732

F18-39

7732

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19677

Females

7823

F18-39

7823

Passing Analysis

Category:
Athletes Passed
3286
Passed By
233
Net Change
+3053
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23291
5K → 10K83125+806#23291#22485
10K → 15K6217+614#22485#21871
15K → 20K20466+138#21871#21733
20K → Half397+32#21733#21701
Half → 25K2999+290#21701#21411
25K → 30K40414+390#21411#21021
30K → 20M2108+202#21021#20819
20M → 21M2390+239#20819#20580
21M → 35K908+82#20580#20498
35K → 23M12823+105#20498#20393
23M → 24M6311+52#20393#20341
24M → 40K8317+66#20341#20275
40K → 25.2M2612+14#20275#20261
25.2M → Finish4926+23#20261#20238
TOTALS3286233+3053
📊

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