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BOSTON MARATHON 2023

Sadie James

Bib: 4547•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3923
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:39
Rank: #4022 (-99)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:02:32
Rank: #4107 (-85)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:17
Rank: #3889 (+218)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:52
Rank: #3914 (-25)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:10
Rank: #3833 (+81)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:05:18
Rank: #3633 (+200)
25K → 30K
21:08 | 6:48/mi
20M
2:14:33
Rank: #3526 (+107)
30K → 20M
9:15 | 6:48/mi
21M
2:21:37
Rank: #3396 (+130)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:26:28
Rank: #3327 (+69)
21M → 35K
4:51 | 6:29/mi
23M
2:34:50
Rank: #3214 (+113)
35K → 23M
8:22 | 6:41/mi
24M
2:41:16
Rank: #3109 (+105)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:46:55
Rank: #3016 (+93)
24M → 40K
5:39 | 6:36/mi
25.2M
2:49:18
Rank: #2960 (+56)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:55:37
Rank: #2849 (+111)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:52
Pace6:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5920:546:4420:54
6:44
-
10K
6.21 mi10:43:4441:396:4220:45
6:41
-0:03
15K
9.32 mi11:04:371:02:326:4320:53
6:43
+0:02
20K
12.43 mi11:25:221:23:176:4220:45
6:41
-0:02
Half
13.11 mi11:29:571:27:526:424:35
6:43
+0:02
25K
15.53 mi11:46:151:44:106:4216:18
6:43
0:00
30K
18.64 mi12:07:232:05:186:4321:08
6:48
+0:05
20M
20.00 mi12:16:382:14:336:449:15
6:48
0:00
21M
21.00 mi12:23:422:21:376:457:04
7:04
+0:16
35K
21.75 mi12:28:332:26:286:444:51
6:29
-0:35
23M
23.00 mi12:36:552:34:506:448:22
6:41
+0:12
24M
24.00 mi12:43:212:41:166:436:26
6:26
-0:15
40K
24.85 mi12:49:002:46:556:435:39
6:36
+0:10
25.2M
25.20 mi12:51:232:49:186:432:23
6:55
+0:19
Finish
26.22 mi12:57:422:55:376:426:19
6:12
-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

6:12 /mi

Average Pace

6:42 /mi

Slowest Pace

7:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:10

95% of race

Time at Steady Pace

9:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:22:5920:546:4420:54
6:44
#3923
10K
6.21 mi10:43:4441:396:4220:45
6:41
#4022
15K
9.32 mi11:04:371:02:326:4320:53
6:43
#4107
20K
12.43 mi11:25:221:23:176:4220:45
6:41
#3889
Half
13.11 mi11:29:571:27:526:424:35
6:43
#3914
25K
15.53 mi11:46:151:44:106:4216:18
6:43
#3833
30K
18.64 mi12:07:232:05:186:4321:08
6:48
#3633
20M
20.00 mi12:16:382:14:336:449:15
6:48
#3526
21M
21.00 mi12:23:422:21:376:457:04
7:04
#3396
35K
21.75 mi12:28:332:26:286:444:51
6:29
#3327
23M
23.00 mi12:36:552:34:506:448:22
6:41
#3214
24M
24.00 mi12:43:212:41:166:436:26
6:26
#3109
40K
24.85 mi12:49:002:46:556:435:39
6:36
#3016
25.2M
25.20 mi12:51:232:49:186:432:23
6:55
#2960
Finish
26.22 mi12:57:422:55:376:426:19
6:12
#2849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi39232362364361(Top 16%)272(Top 2%)272(Top 6%)
10K6.21 mi3.10 mi4022-992362364169(Top 16%)253(Top 2%)253(Top 5%)
15K9.32 mi3.11 mi4107-85242-6242-64361(Top 16%)272(Top 2%)272(Top 6%)
20K12.43 mi3.11 mi3889+218221+21221+213422(Top 13%)177(Top 2%)177(Top 4%)
Half13.11 mi0.68 mi3914-25224-3224-34611(Top 17%)304(Top 3%)304(Top 6%)
25K15.53 mi2.42 mi3833+81210+14210+143565(Top 13%)193(Top 2%)193(Top 4%)
30K18.64 mi3.11 mi3633+200195+15195+153012(Top 11%)161(Top 1%)161(Top 3%)
20M20.00 mi1.36 mi3526+107187+8187+82887(Top 11%)163(Top 1%)163(Top 3%)
21M21.00 mi1.00 mi3396+130177+10177+102500(Top 9%)136(Top 1%)136(Top 3%)
35K21.75 mi0.75 mi3327+69173+4173+42377(Top 9%)123(Top 1%)123(Top 3%)
23M23.00 mi1.25 mi3214+113166+7166+72130(Top 8%)116(Top 1%)116(Top 2%)
24M24.00 mi1.00 mi3109+105159+7159+71851(Top 7%)112(Top 1.0%)112(Top 2%)
40K24.85 mi0.85 mi3016+93155+4155+41978(Top 7%)122(Top 1%)122(Top 2%)
25.2M25.20 mi0.35 mi2960+56152+3152+31541(Top 6%)90(Top 0.8%)90(Top 2%)
Finish26.22 mi1.02 mi2849+111146+6146+61294(Top 5%)69(Top 0.6%)69(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4361

Females

272

F18-39

272

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4169

Females

253

F18-39

253

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4361

Females

272

F18-39

272

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3422

Females

177

F18-39

177

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4611

Females

304

F18-39

304

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3565

Females

193

F18-39

193

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3012

Females

161

F18-39

161

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2887

Females

163

F18-39

163

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2500

Females

136

F18-39

136

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2377

Females

123

F18-39

123

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2130

Females

116

F18-39

116

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1851

Females

112

F18-39

112

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1978

Females

122

F18-39

122

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1541

Females

90

F18-39

90

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1294

Females

69

F18-39

69

Passing Analysis

Category:
Athletes Passed
1710
Passed By
636
Net Change
+1074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3923
5K → 10K184283-99#3923#4022
10K → 15K82167-85#4022#4107
15K → 20K24830+218#4107#3889
20K → Half1136-25#3889#3914
Half → 25K12746+81#3914#3833
25K → 30K22525+200#3833#3633
30K → 20M1169+107#3633#3526
20M → 21M1399+130#3526#3396
21M → 35K745+69#3396#3327
35K → 23M12411+113#3327#3214
23M → 24M1072+105#3214#3109
24M → 40K1007+93#3109#3016
40K → 25.2M604+56#3016#2960
25.2M → Finish1132+111#2960#2849
TOTALS1710636+1074
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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