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BOSTON MARATHON 2023

Josie Gray

Bib: 12744•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #8414
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
44:56
Rank: #7968 (+446)
5K → 10K
22:07 | 7:07/mi
15K· 9.32 mi
1:06:47
Rank: #7527 (+441)
10K → 15K
21:51 | 7:02/mi
20K· 12.43 mi
1:28:39
Rank: #7120 (+407)
15K → 20K
21:52 | 7:02/mi
Half· 13.11 mi
1:33:24
Rank: #7087 (+33)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:50:27
Rank: #6830 (+257)
Half → 25K
17:03 | 7:02/mi
30K· 18.64 mi
2:12:37
Rank: #6482 (+348)
25K → 30K
22:10 | 7:08/mi
20M
2:22:17
Rank: #6319 (+163)
30K → 20M
9:40 | 7:07/mi
21M
2:29:44
Rank: #6168 (+151)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:34:50
Rank: #6078 (+90)
21M → 35K
5:06 | 6:49/mi
23M
2:43:40
Rank: #5902 (+176)
35K → 23M
8:50 | 7:03/mi
24M
2:50:29
Rank: #5762 (+140)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:56:24
Rank: #5622 (+140)
24M → 40K
5:55 | 6:55/mi
25.2M
2:58:59
Rank: #5576 (+46)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:06:06
Rank: #5506 (+70)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:24
Pace7:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:42
Pace7:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4022:497:2122:49
7:21
-
10K
6.21 mi11:12:4744:567:1422:07
7:07
-0:14
15K
9.32 mi11:34:381:06:477:1021:51
7:02
-0:05
20K
12.43 mi11:56:301:28:397:0821:52
7:02
0:00
Half
13.11 mi12:01:151:33:247:074:45
6:58
-0:04
25K
15.53 mi12:18:181:50:277:0717:03
7:02
+0:04
30K
18.64 mi12:40:282:12:377:0722:10
7:08
+0:06
20M
20.00 mi12:50:082:22:177:079:40
7:07
-0:01
21M
21.00 mi12:57:352:29:447:087:27
7:27
+0:20
35K
21.75 mi13:02:412:34:507:075:06
6:49
-0:38
23M
23.00 mi13:11:312:43:407:078:50
7:03
+0:14
24M
24.00 mi13:18:202:50:297:066:49
6:49
-0:14
40K
24.85 mi13:24:152:56:247:065:55
6:55
+0:06
25.2M
25.20 mi13:26:502:58:597:062:35
7:29
+0:34
Finish
26.22 mi13:33:573:06:067:067:07
6:59
-0:30

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

6:49 /mi

Average Pace

7:06 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:15

82% of race

Time at Steady Pace

32:51

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:50:4022:497:2122:49
7:21
#8414
10K
6.21 mi11:12:4744:567:1422:07
7:07
#7968
15K
9.32 mi11:34:381:06:477:1021:51
7:02
#7527
20K
12.43 mi11:56:301:28:397:0821:52
7:02
#7120
Half
13.11 mi12:01:151:33:247:074:45
6:58
#7087
25K
15.53 mi12:18:181:50:277:0717:03
7:02
#6830
30K
18.64 mi12:40:282:12:377:0722:10
7:08
#6482
20M
20.00 mi12:50:082:22:177:079:40
7:07
#6319
21M
21.00 mi12:57:352:29:447:087:27
7:27
#6168
35K
21.75 mi13:02:412:34:507:075:06
6:49
#6078
23M
23.00 mi13:11:312:43:407:078:50
7:03
#5902
24M
24.00 mi13:18:202:50:297:066:49
6:49
#5762
40K
24.85 mi13:24:152:56:247:065:55
6:55
#5622
25.2M
25.20 mi13:26:502:58:597:062:35
7:29
#5576
Finish
26.22 mi13:33:573:06:067:067:07
6:59
#5506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8414115511556781(Top 25%)695(Top 6%)695(Top 14%)
10K6.21 mi3.10 mi7968+4461006+1491006+1497569(Top 28%)906(Top 8%)906(Top 19%)
15K9.32 mi3.11 mi7527+441880+126880+1266781(Top 25%)695(Top 6%)695(Top 14%)
20K12.43 mi3.11 mi7120+407775+105775+1056226(Top 23%)578(Top 5%)578(Top 12%)
Half13.11 mi0.68 mi7087+33765+10765+106381(Top 24%)593(Top 5%)593(Top 12%)
25K15.53 mi2.42 mi6830+257712+53712+535776(Top 22%)487(Top 4%)487(Top 10%)
30K18.64 mi3.11 mi6482+348648+64648+645132(Top 19%)422(Top 4%)422(Top 9%)
20M20.00 mi1.36 mi6319+163618+30618+304706(Top 18%)402(Top 4%)402(Top 8%)
21M21.00 mi1.00 mi6168+151594+24594+244370(Top 16%)376(Top 3%)376(Top 8%)
35K21.75 mi0.75 mi6078+90580+14580+144362(Top 16%)371(Top 3%)371(Top 8%)
23M23.00 mi1.25 mi5902+176547+33547+334096(Top 15%)335(Top 3%)335(Top 7%)
24M24.00 mi1.00 mi5762+140527+20527+203773(Top 14%)317(Top 3%)317(Top 6%)
40K24.85 mi0.85 mi5622+140504+23504+233478(Top 13%)313(Top 3%)313(Top 6%)
25.2M25.20 mi0.35 mi5576+46501+3501+33937(Top 15%)426(Top 4%)426(Top 9%)
Finish26.22 mi1.02 mi5506+70498+3498+35131(Top 19%)768(Top 7%)768(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6781

Females

695

F18-39

695

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7569

Females

906

F18-39

906

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6781

Females

695

F18-39

695

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6226

Females

578

F18-39

578

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6381

Females

593

F18-39

593

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5776

Females

487

F18-39

487

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5132

Females

422

F18-39

422

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4706

Females

402

F18-39

402

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4370

Females

376

F18-39

376

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4362

Females

371

F18-39

371

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4096

Females

335

F18-39

335

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3773

Females

317

F18-39

317

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3478

Females

313

F18-39

313

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3937

Females

426

F18-39

426

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5131

Females

768

F18-39

768

Passing Analysis

Category:
Athletes Passed
3069
Passed By
161
Net Change
+2908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8414
5K → 10K53185+446#8414#7968
10K → 15K45514+441#7968#7527
15K → 20K4070+407#7527#7120
20K → Half396+33#7120#7087
Half → 25K2614+257#7087#6830
25K → 30K3513+348#6830#6482
30K → 20M1685+163#6482#6319
20M → 21M1565+151#6319#6168
21M → 35K933+90#6168#6078
35K → 23M1826+176#6078#5902
23M → 24M1422+140#5902#5762
24M → 40K1433+140#5762#5622
40K → 25.2M482+46#5622#5576
25.2M → Finish9323+70#5576#5506
TOTALS3069161+2908
📊

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