Boston Marathon logo
BOSTON MARATHON 2023

Stephanie Campbell

Bib: 19355•F

NM

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #14021
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
49:51
Rank: #14549 (-528)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:15:01
Rank: #14739 (-190)
10K → 15K
25:10 | 8:06/mi
20K· 12.43 mi
1:40:25
Rank: #14730 (+9)
15K → 20K
25:24 | 8:11/mi
Half· 13.11 mi
1:45:55
Rank: #14729 (+1)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:56
Rank: #14691 (+38)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:32:31
Rank: #14671 (+20)
25K → 30K
26:35 | 8:33/mi
20M
2:44:29
Rank: #14732 (-61)
30K → 20M
11:58 | 8:48/mi
21M
2:54:04
Rank: #14811 (-79)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:00:24
Rank: #14822 (-11)
21M → 35K
6:20 | 8:28/mi
23M
3:11:31
Rank: #14845 (-23)
35K → 23M
11:07 | 8:53/mi
24M
3:20:08
Rank: #14834 (+11)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:27:41
Rank: #14822 (+12)
24M → 40K
7:33 | 8:50/mi
25.2M
3:31:02
Rank: #14833 (-11)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:40:09
Rank: #14986 (-153)
25.2M → Finish
9:07 | 8:57/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:54:14
Pace8:43 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2224:518:0024:51
8:00
-
10K
6.21 mi11:52:2249:518:0125:00
8:03
+0:03
15K
9.32 mi12:17:321:15:018:0325:10
8:06
+0:03
20K
12.43 mi12:42:561:40:258:0525:24
8:11
+0:05
Half
13.11 mi12:48:261:45:558:055:30
8:04
-0:07
25K
15.53 mi13:08:272:05:568:0620:01
8:15
+0:11
30K
18.64 mi13:35:022:32:318:1126:35
8:33
+0:18
20M
20.00 mi13:47:002:44:298:1311:58
8:48
+0:15
21M
21.00 mi13:56:352:54:048:179:35
9:35
+0:47
35K
21.75 mi14:02:553:00:248:186:20
8:28
-1:07
23M
23.00 mi14:14:023:11:318:2011:07
8:53
+0:25
24M
24.00 mi14:22:393:20:088:208:37
8:37
-0:16
40K
24.85 mi14:30:123:27:418:217:33
8:50
+0:13
25.2M
25.20 mi14:33:333:31:028:223:21
9:43
+0:53
Finish
26.22 mi14:42:403:40:098:249:07
8:57
-0:46

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

8:00 /mi

Average Pace

8:24 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:56

57% of race

Time at Steady Pace

53:30

24% of race

Time at Slower Pace

40:43

18% of race

Average Pace: 8:24 /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 mi11:27:2224:518:0024:51
8:00
#14021
10K
6.21 mi11:52:2249:518:0125:00
8:03
#14549
15K
9.32 mi12:17:321:15:018:0325:10
8:06
#14739
20K
12.43 mi12:42:561:40:258:0525:24
8:11
#14730
Half
13.11 mi12:48:261:45:558:055:30
8:04
#14729
25K
15.53 mi13:08:272:05:568:0620:01
8:15
#14691
30K
18.64 mi13:35:022:32:318:1126:35
8:33
#14671
20M
20.00 mi13:47:002:44:298:1311:58
8:48
#14732
21M
21.00 mi13:56:352:54:048:179:35
9:35
#14811
35K
21.75 mi14:02:553:00:248:186:20
8:28
#14822
23M
23.00 mi14:14:023:11:318:2011:07
8:53
#14845
24M
24.00 mi14:22:393:20:088:208:37
8:37
#14834
40K
24.85 mi14:30:123:27:418:217:33
8:50
#14822
25.2M
25.20 mi14:33:333:31:028:223:21
9:43
#14833
Finish
26.22 mi14:42:403:40:098:249:07
8:57
#14986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140214047404715184(Top 57%)4784(Top 42%)4784(Top 255%)
10K6.21 mi3.10 mi14549-5284375-3284375-32815160(Top 57%)4768(Top 42%)4768(Top 254%)
15K9.32 mi3.11 mi14739-1904501-1264501-12615184(Top 57%)4784(Top 42%)4784(Top 255%)
20K12.43 mi3.11 mi14730+94516-154516-1514805(Top 56%)4592(Top 40%)4592(Top 245%)
Half13.11 mi0.68 mi14729+14515+14515+114933(Top 56%)4653(Top 41%)4653(Top 248%)
25K15.53 mi2.42 mi14691+384521-64521-614659(Top 55%)4627(Top 41%)4627(Top 246%)
30K18.64 mi3.11 mi14671+204538-174538-1714662(Top 55%)4729(Top 41%)4729(Top 252%)
20M20.00 mi1.36 mi14732-614598-604598-6015467(Top 58%)5253(Top 46%)5253(Top 280%)
21M21.00 mi1.00 mi14811-794670-724670-7216359(Top 61%)5825(Top 51%)5825(Top 310%)
35K21.75 mi0.75 mi14822-114701-314701-3115136(Top 57%)5187(Top 45%)5187(Top 276%)
23M23.00 mi1.25 mi14845-234742-414742-4115435(Top 58%)5411(Top 47%)5411(Top 288%)
24M24.00 mi1.00 mi14834+114751-94751-915178(Top 57%)5329(Top 47%)5329(Top 284%)
40K24.85 mi0.85 mi14822+124776-254776-2515260(Top 57%)5442(Top 48%)5442(Top 290%)
25.2M25.20 mi0.35 mi14833-114793-174793-1716206(Top 61%)5973(Top 52%)5973(Top 318%)
Finish26.22 mi1.02 mi14986-1534902-1094902-10917711(Top 67%)6755(Top 59%)6755(Top 360%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15184

Females

4784

F40-44

4784

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15160

Females

4768

F40-44

4768

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15184

Females

4784

F40-44

4784

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14805

Females

4592

F40-44

4592

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14933

Females

4653

F40-44

4653

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14659

Females

4627

F40-44

4627

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14662

Females

4729

F40-44

4729

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15467

Females

5253

F40-44

5253

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16359

Females

5825

F40-44

5825

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15136

Females

5187

F40-44

5187

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15435

Females

5411

F40-44

5411

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15178

Females

5329

F40-44

5329

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15260

Females

5442

F40-44

5442

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16206

Females

5973

F40-44

5973

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17711

Females

6755

F40-44

6755

Passing Analysis

Category:
Athletes Passed
1208
Passed By
2173
Net Change
-965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14021
5K → 10K101629-528#14021#14549
10K → 15K124314-190#14549#14739
15K → 20K188179+9#14739#14730
20K → Half3231+1#14730#14729
Half → 25K159121+38#14729#14691
25K → 30K175155+20#14691#14671
30K → 20M66127-61#14671#14732
20M → 21M58137-79#14732#14811
21M → 35K4657-11#14811#14822
35K → 23M81104-23#14822#14845
23M → 24M6352+11#14845#14834
24M → 40K6957+12#14834#14822
40K → 25.2M2334-11#14822#14833
25.2M → Finish23176-153#14833#14986
TOTALS12082173-965
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing