Boston Marathon logo
BOSTON MARATHON 2023

Caroline Sall

Bib: 13219•F

AL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:03
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:34:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:39:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:00:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:46/mi
2:27:26
↑ 181↓ 1480.2%
20M
9:05/mi
2:39:47
↑ 64↓ 500.2%
21M
10:09/mi
2:49:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
2:56:52
↑ 17↓ 861.7%
23M
10:12/mi
3:09:38
↑ 23↓ 630.6%
24M
10:09/mi
3:19:47
↓ 821.3%
40K· 24.85 mi
10:56/mi
3:29:08
↓ 200.3%
25.2M
10:55/mi
3:32:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:41:50
↑ 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
Time1:39:44
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time2:02:06
Pace9:19 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5323:417:3723:41
7:37
-
10K
6.21 mi11:15:0046:487:3223:07
7:26
-0:11
15K
9.32 mi11:38:151:10:037:3123:15
7:29
+0:03
20K
12.43 mi12:02:351:34:237:3624:20
7:50
+0:21
Half
13.11 mi12:07:561:39:447:365:21
7:50
0:00
25K
15.53 mi12:28:242:00:127:4420:28
8:26
+0:36
30K
18.64 mi12:55:382:27:267:5527:14
8:46
+0:20
20M
20.00 mi13:07:592:39:477:5912:21
9:05
+0:19
21M
21.00 mi13:18:082:49:568:0610:09
10:09
+1:04
35K
21.75 mi13:25:042:56:528:086:56
9:16
-0:53
23M
23.00 mi13:37:503:09:388:1512:46
10:12
+0:56
24M
24.00 mi13:47:593:19:478:1910:09
10:09
-0:03
40K
24.85 mi13:57:203:29:088:259:21
10:56
+0:47
25.2M
25.20 mi14:01:063:32:548:273:46
10:55
-0:01
Finish
26.22 mi14:10:023:41:508:288:56
8:46
-2:09

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

7:26 /mi

Average Pace

8:28 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:44

45% of race

Time at Steady Pace

1:15:55

34% of race

Time at Slower Pace

46:11

21% of race

Average Pace: 8:28 /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 mi10:51:5323:417:3723:41
7:37
#10767
10K
6.21 mi11:15:0046:487:3223:07
7:26
#10333
15K
9.32 mi11:38:151:10:037:3123:15
7:29
#10209
20K
12.43 mi12:02:351:34:237:3624:20
7:50
#10670
Half
13.11 mi12:07:561:39:447:365:21
7:50
#10792
25K
15.53 mi12:28:242:00:127:4420:28
8:26
#11603
30K
18.64 mi12:55:382:27:267:5527:14
8:46
#12547
20M
20.00 mi13:07:592:39:477:5912:21
9:05
#12961
21M
21.00 mi13:18:082:49:568:0610:09
10:09
#13386
35K
21.75 mi13:25:042:56:528:086:56
9:16
#13670
23M
23.00 mi13:37:503:09:388:1512:46
10:12
#14297
24M
24.00 mi13:47:593:19:478:1910:09
10:09
#14740
40K
24.85 mi13:57:203:29:088:259:21
10:56
#15205
25.2M
25.20 mi14:01:063:32:548:273:46
10:55
#15333
Finish
26.22 mi14:10:023:41:508:288:56
8:46
#15400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107672215221510063(Top 38%)1876(Top 16%)1876(Top 38%)
10K6.21 mi3.10 mi10333+4341997+2181997+21810005(Top 38%)1826(Top 16%)1826(Top 37%)
15K9.32 mi3.11 mi10209+1241917+801917+8010063(Top 38%)1876(Top 16%)1876(Top 38%)
20K12.43 mi3.11 mi10670-4612170-2532170-25312021(Top 45%)2988(Top 26%)2988(Top 61%)
Half13.11 mi0.68 mi10792-1222242-722242-7213207(Top 50%)3641(Top 32%)3641(Top 75%)
25K15.53 mi2.42 mi11603-8112701-4592701-45915853(Top 60%)5349(Top 47%)5349(Top 110%)
30K18.64 mi3.11 mi12547-9443285-5843285-58415863(Top 60%)5424(Top 47%)5424(Top 111%)
20M20.00 mi1.36 mi12961-4143545-2603545-26016995(Top 64%)6155(Top 54%)6155(Top 126%)
21M21.00 mi1.00 mi13386-4253808-2633808-26318548(Top 70%)7076(Top 62%)7076(Top 145%)
35K21.75 mi0.75 mi13670-2843990-1823990-18219015(Top 71%)7385(Top 65%)7385(Top 151%)
23M23.00 mi1.25 mi14297-6274413-4234413-42320554(Top 77%)8263(Top 72%)8263(Top 169%)
24M24.00 mi1.00 mi14740-4434705-2924705-29221191(Top 80%)8658(Top 76%)8658(Top 177%)
40K24.85 mi0.85 mi15205-4654997-2924997-29222220(Top 83%)9246(Top 81%)9246(Top 189%)
25.2M25.20 mi0.35 mi15333-1285093-965093-9620278(Top 76%)8191(Top 72%)8191(Top 168%)
Finish26.22 mi1.02 mi15400-675147-545147-5416857(Top 63%)6289(Top 55%)6289(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10063

Females

1876

F18-39

1876

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10005

Females

1826

F18-39

1826

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10063

Females

1876

F18-39

1876

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12021

Females

2988

F18-39

2988

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13207

Females

3641

F18-39

3641

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15853

Females

5349

F18-39

5349

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15863

Females

5424

F18-39

5424

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16995

Females

6155

F18-39

6155

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18548

Females

7076

F18-39

7076

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

19015

Females

7385

F18-39

7385

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20554

Females

8263

F18-39

8263

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21191

Females

8658

F18-39

8658

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22220

Females

9246

F18-39

9246

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20278

Females

8191

F18-39

8191

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16857

Females

6289

F18-39

6289

Passing Analysis

Category:
Athletes Passed
1062*
Passed By
5695
Net Change
-4633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10767
5K → 10K564*130+434#10767#10333
10K → 15K243119+124#10333#10209
15K → 20K44505-461#10209#10670
20K → Half4126-122#10670#10792
Half → 25K23834-811#10792#11603
25K → 30K36980-944#11603#12547
30K → 20M28442-414#12547#12961
20M → 21M15440-425#12961#13386
21M → 35K13297-284#13386#13670
35K → 23M9636-627#13670#14297
23M → 24M11454-443#14297#14740
24M → 40K10475-465#14740#15205
40K → 25.2M12140-128#15205#15333
25.2M → Finish50117-67#15333#15400
TOTALS1062*5695-4633

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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