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BOSTON MARATHON 2023

Gretchen James

Bib: 22277•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #18564
Start → 5K
26:52 | 8:39/mi
10K· 6.21 mi
52:32
Rank: #17601 (+963)
5K → 10K
25:40 | 8:16/mi
15K· 9.32 mi
1:18:31
Rank: #17358 (+243)
10K → 15K
25:59 | 8:22/mi
20K· 12.43 mi
1:45:50
Rank: #17674 (-316)
15K → 20K
27:19 | 8:48/mi
Half· 13.11 mi
1:51:51
Rank: #17765 (-91)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:13:58
Rank: #18107 (-342)
Half → 25K
22:07 | 9:07/mi
30K· 18.64 mi
2:44:42
Rank: #18768 (-661)
25K → 30K
30:44 | 9:54/mi
20M
2:59:07
Rank: #19150 (-382)
30K → 20M
14:25 | 10:37/mi
21M
3:11:31
Rank: #19598 (-448)
20M → 21M
12:24 | 12:24/mi
35K· 21.75 mi
3:19:42
Rank: #19817 (-219)
21M → 35K
8:11 | 10:56/mi
23M
3:34:03
Rank: #20154 (-337)
35K → 23M
14:21 | 11:28/mi
24M
3:44:53
Rank: #20298 (-144)
23M → 24M
10:50 | 10:50/mi
40K· 24.85 mi
3:54:07
Rank: #20361 (-63)
24M → 40K
9:14 | 10:48/mi
25.2M
3:58:42
Rank: #20455 (-94)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
4:09:41
Rank: #20623 (-168)
25.2M → Finish
10:59 | 10:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:51
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:17:50
Pace10:31 /mi
📊Positive Split: 23.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2126:528:3926:52
8:39
-
10K
6.21 mi11:46:0152:328:2725:40
8:16
-0:23
15K
9.32 mi12:12:001:18:318:2525:59
8:22
+0:06
20K
12.43 mi12:39:191:45:508:3127:19
8:48
+0:26
Half
13.11 mi12:45:201:51:518:326:01
8:49
+0:01
25K
15.53 mi13:07:272:13:588:3722:07
9:07
+0:18
30K
18.64 mi13:38:112:44:428:5030:44
9:54
+0:47
20M
20.00 mi13:52:362:59:078:5714:25
10:37
+0:43
21M
21.00 mi14:05:003:11:319:0712:24
12:24
+1:47
35K
21.75 mi14:13:113:19:429:118:11
10:56
-1:28
23M
23.00 mi14:27:323:34:039:1814:21
11:28
+0:32
24M
24.00 mi14:38:223:44:539:2210:50
10:50
-0:38
40K
24.85 mi14:47:363:54:079:259:14
10:48
-0:02
25.2M
25.20 mi14:52:113:58:429:284:35
13:17
+2:29
Finish
26.22 mi15:03:104:09:419:3210:59
10:47
-2:30

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

8:16 /mi

Average Pace

9:32 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:58

54% of race

Time at Steady Pace

1:24:23

34% of race

Time at Slower Pace

31:20

13% of race

Average Pace: 9:31 /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 mi11:20:2126:528:3926:52
8:39
#18564
10K
6.21 mi11:46:0152:328:2725:40
8:16
#17601
15K
9.32 mi12:12:001:18:318:2525:59
8:22
#17358
20K
12.43 mi12:39:191:45:508:3127:19
8:48
#17674
Half
13.11 mi12:45:201:51:518:326:01
8:49
#17765
25K
15.53 mi13:07:272:13:588:3722:07
9:07
#18107
30K
18.64 mi13:38:112:44:428:5030:44
9:54
#18768
20M
20.00 mi13:52:362:59:078:5714:25
10:37
#19150
21M
21.00 mi14:05:003:11:319:0712:24
12:24
#19598
35K
21.75 mi14:13:113:19:429:118:11
10:56
#19817
23M
23.00 mi14:27:323:34:039:1814:21
11:28
#20154
24M
24.00 mi14:38:223:44:539:2210:50
10:50
#20298
40K
24.85 mi14:47:363:54:079:259:14
10:48
#20361
25.2M
25.20 mi14:52:113:58:429:284:35
13:17
#20455
Finish
26.22 mi15:03:104:09:419:3210:59
10:47
#20623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185646915691516953(Top 64%)5883(Top 52%)5883(Top 324%)
10K6.21 mi3.10 mi17601+9636289+6266289+62616676(Top 63%)5683(Top 50%)5683(Top 313%)
15K9.32 mi3.11 mi17358+2436132+1576132+15716953(Top 64%)5883(Top 52%)5883(Top 324%)
20K12.43 mi3.11 mi17674-3166328-1966328-19618646(Top 70%)6884(Top 60%)6884(Top 379%)
Half13.11 mi0.68 mi17765-916386-586386-5819648(Top 74%)7476(Top 65%)7476(Top 411%)
25K15.53 mi2.42 mi18107-3426597-2116597-21119530(Top 73%)7444(Top 65%)7444(Top 410%)
30K18.64 mi3.11 mi18768-6617012-4157012-41520732(Top 78%)8187(Top 72%)8187(Top 451%)
20M20.00 mi1.36 mi19150-3827242-2307242-23021966(Top 83%)8957(Top 78%)8957(Top 493%)
21M21.00 mi1.00 mi19598-4487516-2747516-27423332(Top 88%)9719(Top 85%)9719(Top 535%)
35K21.75 mi0.75 mi19817-2197643-1277643-12723199(Top 87%)9692(Top 85%)9692(Top 533%)
23M23.00 mi1.25 mi20154-3377857-2147857-21423186(Top 87%)9684(Top 85%)9684(Top 533%)
24M24.00 mi1.00 mi20298-1447946-897946-8922724(Top 85%)9482(Top 83%)9482(Top 522%)
40K24.85 mi0.85 mi20361-637990-447990-4421943(Top 82%)9120(Top 80%)9120(Top 502%)
25.2M25.20 mi0.35 mi20455-948050-608050-6024309(Top 91%)10330(Top 90%)10330(Top 569%)
Finish26.22 mi1.02 mi20623-1688159-1098159-10923577(Top 89%)9943(Top 87%)9943(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16953

Females

5883

F45-49

5883

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16676

Females

5683

F45-49

5683

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16953

Females

5883

F45-49

5883

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18646

Females

6884

F45-49

6884

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19648

Females

7476

F45-49

7476

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19530

Females

7444

F45-49

7444

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20732

Females

8187

F45-49

8187

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

21966

Females

8957

F45-49

8957

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23332

Females

9719

F45-49

9719

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23199

Females

9692

F45-49

9692

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23186

Females

9684

F45-49

9684

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22724

Females

9482

F45-49

9482

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21943

Females

9120

F45-49

9120

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24309

Females

10330

F45-49

10330

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23577

Females

9943

F45-49

9943

Passing Analysis

Category:
Athletes Passed
1715
Passed By
3774
Net Change
-2059
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18564
5K → 10K105491+963#18564#17601
10K → 15K34198+243#17601#17358
15K → 20K87403-316#17358#17674
20K → Half12103-91#17674#17765
Half → 25K51393-342#17765#18107
25K → 30K55716-661#18107#18768
30K → 20M20402-382#18768#19150
20M → 21M15463-448#19150#19598
21M → 35K9228-219#19598#19817
35K → 23M22359-337#19817#20154
23M → 24M10154-144#20154#20298
24M → 40K2285-63#20298#20361
40K → 25.2M498-94#20361#20455
25.2M → Finish13181-168#20455#20623
TOTALS17153774-2059
📊

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