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BOSTON MARATHON 2023

Gretchen Margetts

Bib: 23355•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:02
Rank: #20566
Start → 5K
28:02 | 9:01/mi
10K· 6.21 mi
56:39
Rank: #21130 (-564)
5K → 10K
28:37 | 9:13/mi
15K· 9.32 mi
1:25:25
Rank: #21251 (-121)
10K → 15K
28:46 | 9:16/mi
20K· 12.43 mi
1:54:52
Rank: #21329 (-78)
15K → 20K
29:27 | 9:29/mi
Half· 13.11 mi
2:01:15
Rank: #21344 (-15)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:24:25
Rank: #21270 (+74)
Half → 25K
23:10 | 9:33/mi
30K· 18.64 mi
2:54:59
Rank: #21141 (+129)
25K → 30K
30:34 | 9:50/mi
20M
3:09:07
Rank: #21141
30K → 20M
14:08 | 10:24/mi
21M
3:21:08
Rank: #21278 (-137)
20M → 21M
12:01 | 12:01/mi
35K· 21.75 mi
3:28:36
Rank: #21271 (+7)
21M → 35K
7:28 | 9:59/mi
23M
3:41:21
Rank: #21204 (+67)
35K → 23M
12:45 | 10:11/mi
24M
3:51:13
Rank: #21160 (+44)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
4:00:10
Rank: #21154 (+6)
24M → 40K
8:57 | 10:28/mi
25.2M
4:03:53
Rank: #21137 (+17)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:14:04
Rank: #21164 (-27)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:15
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:12:49
Pace10:08 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4228:029:0128:02
9:01
-
10K
6.21 mi12:12:1956:399:0728:37
9:13
+0:12
15K
9.32 mi12:41:051:25:259:1028:46
9:16
+0:03
20K
12.43 mi13:10:321:54:529:1529:27
9:29
+0:13
Half
13.11 mi13:16:552:01:159:156:23
9:21
-0:08
25K
15.53 mi13:40:052:24:259:1823:10
9:33
+0:12
30K
18.64 mi14:10:392:54:599:2330:34
9:50
+0:17
20M
20.00 mi14:24:473:09:079:2714:08
10:24
+0:34
21M
21.00 mi14:36:483:21:089:3512:01
12:01
+1:37
35K
21.75 mi14:44:163:28:369:367:28
9:59
-2:02
23M
23.00 mi14:57:013:41:219:3712:45
10:11
+0:12
24M
24.00 mi15:06:533:51:139:389:52
9:52
-0:19
40K
24.85 mi15:15:504:00:109:408:57
10:28
+0:36
25.2M
25.20 mi15:19:334:03:539:413:43
10:47
+0:19
Finish
26.22 mi15:29:444:14:049:4210:11
10:00
-0:47

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

9:01 /mi

Average Pace

9:42 /mi

Slowest Pace

12:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:15

48% of race

Time at Steady Pace

1:34:00

37% of race

Time at Slower Pace

38:49

15% of race

Average Pace: 9:41 /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 mi11:43:4228:029:0128:02
9:01
#20566
10K
6.21 mi12:12:1956:399:0728:37
9:13
#21130
15K
9.32 mi12:41:051:25:259:1028:46
9:16
#21251
20K
12.43 mi13:10:321:54:529:1529:27
9:29
#21329
Half
13.11 mi13:16:552:01:159:156:23
9:21
#21344
25K
15.53 mi13:40:052:24:259:1823:10
9:33
#21270
30K
18.64 mi14:10:392:54:599:2330:34
9:50
#21141
20M
20.00 mi14:24:473:09:079:2714:08
10:24
#21141
21M
21.00 mi14:36:483:21:089:3512:01
12:01
#21278
35K
21.75 mi14:44:163:28:369:367:28
9:59
#21271
23M
23.00 mi14:57:013:41:219:3712:45
10:11
#21204
24M
24.00 mi15:06:533:51:139:389:52
9:52
#21160
40K
24.85 mi15:15:504:00:109:408:57
10:28
#21154
25.2M
25.20 mi15:19:334:03:539:413:43
10:47
#21137
Finish
26.22 mi15:29:444:14:049:4210:11
10:00
#21164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi205668154815421508(Top 81%)8503(Top 74%)8503(Top 1043%)
10K6.21 mi3.10 mi21130-5648383-2298383-22921657(Top 81%)8635(Top 76%)8635(Top 1060%)
15K9.32 mi3.11 mi21251-1218414-318414-3121508(Top 81%)8503(Top 74%)8503(Top 1043%)
20K12.43 mi3.11 mi21329-788452-388452-3821491(Top 81%)8522(Top 75%)8522(Top 1046%)
Half13.11 mi0.68 mi21344-158461-98461-921706(Top 82%)8631(Top 76%)8631(Top 1059%)
25K15.53 mi2.42 mi21270+748420+418420+4121024(Top 79%)8279(Top 72%)8279(Top 1016%)
30K18.64 mi3.11 mi21141+1298357+638357+6320570(Top 77%)8094(Top 71%)8094(Top 993%)
20M20.00 mi1.36 mi211418384-278384-2721526(Top 81%)8712(Top 76%)8712(Top 1069%)
21M21.00 mi1.00 mi21278-1378467-838467-8322783(Top 86%)9430(Top 83%)9430(Top 1157%)
35K21.75 mi0.75 mi21271+78468-18468-121224(Top 80%)8612(Top 75%)8612(Top 1057%)
23M23.00 mi1.25 mi21204+678446+228446+2220532(Top 77%)8254(Top 72%)8254(Top 1013%)
24M24.00 mi1.00 mi21160+448434+128434+1220433(Top 77%)8226(Top 72%)8226(Top 1009%)
40K24.85 mi0.85 mi21154+68440-68440-621142(Top 79%)8689(Top 76%)8689(Top 1066%)
25.2M25.20 mi0.35 mi21137+178437+38437+319959(Top 75%)8048(Top 70%)8048(Top 987%)
Finish26.22 mi1.02 mi21164-278460-238460-2321753(Top 82%)8986(Top 79%)8986(Top 1103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21508

Females

8503

F55-59

8503

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21657

Females

8635

F55-59

8635

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21508

Females

8503

F55-59

8503

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21491

Females

8522

F55-59

8522

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21706

Females

8631

F55-59

8631

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21024

Females

8279

F55-59

8279

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20570

Females

8094

F55-59

8094

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21526

Females

8712

F55-59

8712

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22783

Females

9430

F55-59

9430

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21224

Females

8612

F55-59

8612

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20532

Females

8254

F55-59

8254

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20433

Females

8226

F55-59

8226

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21142

Females

8689

F55-59

8689

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19959

Females

8048

F55-59

8048

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21753

Females

8986

F55-59

8986

Passing Analysis

Category:
Athletes Passed
1076
Passed By
1674
Net Change
-598
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20566
5K → 10K100664-564#20566#21130
10K → 15K114235-121#21130#21251
15K → 20K110188-78#21251#21329
20K → Half2136-15#21329#21344
Half → 25K13965+74#21344#21270
25K → 30K19768+129#21270#21141
30K → 20M67670#21141#21141
20M → 21M26163-137#21141#21278
21M → 35K3124+7#21278#21271
35K → 23M10033+67#21271#21204
23M → 24M6723+44#21204#21160
24M → 40K4842+6#21160#21154
40K → 25.2M269+17#21154#21137
25.2M → Finish3057-27#21137#21164
TOTALS10761674-598
📊

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