Boston Marathon logo
BOSTON MARATHON 2023

Courtney Schell

Bib: 17380•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:51
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:39:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:04:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:30:49
↑ 181↓ 1480.2%
20M
8:17/mi
2:42:04
↑ 64↓ 500.2%
21M
8:40/mi
2:50:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:56:48
↑ 17↓ 861.7%
23M
8:24/mi
3:07:19
↑ 23↓ 630.6%
24M
8:10/mi
3:15:29
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:22:35
↓ 200.3%
25.2M
8:51/mi
3:25:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:33:42
↑ 22↓ 21

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
Time1:44:38
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:49:04
Pace8:19 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2224:538:0124:53
8:01
-
10K
6.21 mi11:40:4849:197:5624:26
7:52
-0:09
15K
9.32 mi12:05:201:13:517:5524:32
7:54
+0:02
20K
12.43 mi12:30:431:39:147:5925:23
8:10
+0:16
Half
13.11 mi12:36:071:44:387:595:24
7:55
-0:15
25K
15.53 mi12:56:112:04:428:0220:04
8:17
+0:22
30K
18.64 mi13:22:182:30:498:0526:07
8:24
+0:07
20M
20.00 mi13:33:332:42:048:0611:15
8:17
-0:07
21M
21.00 mi13:42:132:50:448:088:40
8:40
+0:23
35K
21.75 mi13:48:172:56:488:086:04
8:07
-0:33
23M
23.00 mi13:58:483:07:198:0910:31
8:24
+0:17
24M
24.00 mi14:06:583:15:298:098:10
8:10
-0:14
40K
24.85 mi14:14:043:22:358:097:06
8:18
+0:08
25.2M
25.20 mi14:17:073:25:388:103:03
8:51
+0:33
Finish
26.22 mi14:25:113:33:428:098:04
7:55
-0:56

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

7:52 /mi

Average Pace

8:09 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:59

95% of race

Time at Steady Pace

11:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:16:2224:538:0124:53
8:01
#14096
10K
6.21 mi11:40:4849:197:5624:26
7:52
#13884
15K
9.32 mi12:05:201:13:517:5524:32
7:54
#13764
20K
12.43 mi12:30:431:39:147:5925:23
8:10
#13984
Half
13.11 mi12:36:071:44:387:595:24
7:55
#13963
25K
15.53 mi12:56:112:04:428:0220:04
8:17
#14077
30K
18.64 mi13:22:182:30:498:0526:07
8:24
#14030
20M
20.00 mi13:33:332:42:048:0611:15
8:17
#13858
21M
21.00 mi13:42:132:50:448:088:40
8:40
#13695
35K
21.75 mi13:48:172:56:488:086:04
8:07
#13644
23M
23.00 mi13:58:483:07:198:0910:31
8:24
#13550
24M
24.00 mi14:06:583:15:298:098:10
8:10
#13459
40K
24.85 mi14:14:043:22:358:097:06
8:18
#13376
25.2M
25.20 mi14:17:073:25:388:103:03
8:51
#13334
Finish
26.22 mi14:25:113:33:428:098:04
7:55
#13247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140964087408713513(Top 51%)3786(Top 33%)3786(Top 78%)
10K6.21 mi3.10 mi13884+2123972+1153972+11513696(Top 51%)3856(Top 34%)3856(Top 79%)
15K9.32 mi3.11 mi13764+1203921+513921+5113513(Top 51%)3786(Top 33%)3786(Top 78%)
20K12.43 mi3.11 mi13984-2204076-1554076-15514751(Top 55%)4556(Top 40%)4556(Top 93%)
Half13.11 mi0.68 mi13963+214064+124064+1213745(Top 52%)3932(Top 34%)3932(Top 81%)
25K15.53 mi2.42 mi14077-1144156-924156-9214787(Top 56%)4691(Top 41%)4691(Top 96%)
30K18.64 mi3.11 mi14030+474167-114167-1113741(Top 52%)4175(Top 37%)4175(Top 85%)
20M20.00 mi1.36 mi13858+1724076+914076+9112245(Top 46%)3427(Top 30%)3427(Top 70%)
21M21.00 mi1.00 mi13695+1633986+903986+9011494(Top 43%)3145(Top 28%)3145(Top 64%)
35K21.75 mi0.75 mi13644+513971+153971+1512878(Top 48%)3931(Top 34%)3931(Top 80%)
23M23.00 mi1.25 mi13550+943945+263945+2612603(Top 47%)3854(Top 34%)3854(Top 79%)
24M24.00 mi1.00 mi13459+913914+313914+3112409(Top 47%)3806(Top 33%)3806(Top 78%)
40K24.85 mi0.85 mi13376+833889+253889+2512110(Top 45%)3735(Top 33%)3735(Top 76%)
25.2M25.20 mi0.35 mi13334+423874+153874+1511664(Top 44%)3560(Top 31%)3560(Top 73%)
Finish26.22 mi1.02 mi13247+873846+283846+2811537(Top 43%)3467(Top 30%)3467(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13513

Females

3786

F18-39

3786

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13696

Females

3856

F18-39

3856

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13513

Females

3786

F18-39

3786

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14751

Females

4556

F18-39

4556

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13745

Females

3932

F18-39

3932

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14787

Females

4691

F18-39

4691

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13741

Females

4175

F18-39

4175

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12245

Females

3427

F18-39

3427

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11494

Females

3145

F18-39

3145

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12878

Females

3931

F18-39

3931

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12603

Females

3854

F18-39

3854

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12409

Females

3806

F18-39

3806

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12110

Females

3735

F18-39

3735

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11664

Females

3560

F18-39

3560

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11537

Females

3467

F18-39

3467

Passing Analysis

Category:
Athletes Passed
2125
Passed By
1276
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14096
5K → 10K420208+212#14096#13884
10K → 15K243123+120#13884#13764
15K → 20K123343-220#13764#13984
20K → Half4322+21#13984#13963
Half → 25K93207-114#13963#14077
25K → 30K216169+47#14077#14030
30K → 20M19523+172#14030#13858
20M → 21M18724+163#13858#13695
21M → 35K7120+51#13695#13644
35K → 23M13743+94#13644#13550
23M → 24M11928+91#13550#13459
24M → 40K10724+83#13459#13376
40K → 25.2M5412+42#13376#13334
25.2M → Finish11730+87#13334#13247
TOTALS21251276+849
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing