Boston Marathon logo
BOSTON MARATHON 2023

Sally Salter

Bib: 20278•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 16%
Division (F50-54)
#0 / 1207
Top 9%
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
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
51:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:16:19
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:41:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:47:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:06:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:32:01
↑ 181↓ 1480.2%
20M
7:58/mi
2:42:50
↑ 64↓ 500.2%
21M
8:13/mi
2:51:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:56:38
↑ 17↓ 861.7%
23M
7:48/mi
3:06:24
↑ 23↓ 630.6%
24M
7:21/mi
3:13:45
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:20:11
↓ 200.3%
25.2M
8:07/mi
3:22:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:30:30
↑ 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 Half
Distance13.11 mi
Time1:47:07
Pace8:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
📊Negative Split: 3.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2426:098:2526:09
8:25
-
10K
6.21 mi11:43:2351:088:1424:59
8:02
-0:23
15K
9.32 mi12:08:341:16:198:1125:11
8:06
+0:04
20K
12.43 mi12:33:561:41:418:1125:22
8:10
+0:04
Half
13.11 mi12:39:221:47:078:105:26
7:58
-0:12
25K
15.53 mi12:58:592:06:448:0919:37
8:05
+0:07
30K
18.64 mi13:24:162:32:018:0925:17
8:08
+0:03
20M
20.00 mi13:35:052:42:508:0810:49
7:58
-0:10
21M
21.00 mi13:43:182:51:038:098:13
8:13
+0:15
35K
21.75 mi13:48:532:56:388:075:35
7:28
-0:45
23M
23.00 mi13:58:393:06:248:069:46
7:48
+0:20
24M
24.00 mi14:06:003:13:458:047:21
7:21
-0:27
40K
24.85 mi14:12:263:20:118:036:26
7:31
+0:10
25.2M
25.20 mi14:15:143:22:598:032:48
8:07
+0:36
Finish
26.22 mi14:22:453:30:308:027:31
7:23
-0:44

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

7:21 /mi

Average Pace

8:02 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:30

46% of race

Time at Steady Pace

1:53:00

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:18:2426:098:2526:09
8:25
#17005
10K
6.21 mi11:43:2351:088:1424:59
8:02
#16024
15K
9.32 mi12:08:341:16:198:1125:11
8:06
#15734
20K
12.43 mi12:33:561:41:418:1125:22
8:10
#15450
Half
13.11 mi12:39:221:47:078:105:26
7:58
#15384
25K
15.53 mi12:58:592:06:448:0919:37
8:05
#15057
30K
18.64 mi13:24:162:32:018:0925:17
8:08
#14485
20M
20.00 mi13:35:052:42:508:0810:49
7:58
#14167
21M
21.00 mi13:43:182:51:038:098:13
8:13
#13805
35K
21.75 mi13:48:532:56:388:075:35
7:28
#13589
23M
23.00 mi13:58:393:06:248:069:46
7:48
#13228
24M
24.00 mi14:06:003:13:458:047:21
7:21
#12934
40K
24.85 mi14:12:263:20:118:036:26
7:31
#12695
25.2M
25.20 mi14:15:143:22:598:032:48
8:07
#12614
Finish
26.22 mi14:22:453:30:308:027:31
7:23
#12406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170055927592715209(Top 57%)4795(Top 42%)4795(Top 397%)
10K6.21 mi3.10 mi16024+9815290+6375290+63715109(Top 57%)4729(Top 41%)4729(Top 392%)
15K9.32 mi3.11 mi15734+2905112+1785112+17815209(Top 57%)4795(Top 42%)4795(Top 397%)
20K12.43 mi3.11 mi15450+2844963+1494963+14914703(Top 55%)4524(Top 40%)4524(Top 375%)
Half13.11 mi0.68 mi15384+664926+374926+3714077(Top 53%)4108(Top 36%)4108(Top 340%)
25K15.53 mi2.42 mi15057+3274744+1824744+18213444(Top 50%)3883(Top 34%)3883(Top 322%)
30K18.64 mi3.11 mi14485+5724440+3044440+30411921(Top 45%)3143(Top 28%)3143(Top 260%)
20M20.00 mi1.36 mi14167+3184271+1694271+16910017(Top 38%)2248(Top 20%)2248(Top 186%)
21M21.00 mi1.00 mi13805+3624059+2124059+2128750(Top 33%)1835(Top 16%)1835(Top 152%)
35K21.75 mi0.75 mi13589+2163939+1203939+1208352(Top 31%)1654(Top 14%)1654(Top 137%)
23M23.00 mi1.25 mi13228+3613750+1893750+1898464(Top 32%)1791(Top 16%)1791(Top 148%)
24M24.00 mi1.00 mi12934+2943606+1443606+1446782(Top 25%)1204(Top 11%)1204(Top 100%)
40K24.85 mi0.85 mi12695+2393489+1173489+1176908(Top 26%)1339(Top 12%)1339(Top 111%)
25.2M25.20 mi0.35 mi12614+813451+383451+387336(Top 28%)1580(Top 14%)1580(Top 131%)
Finish26.22 mi1.02 mi12406+2083350+1013350+1017669(Top 29%)1698(Top 15%)1698(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15209

Females

4795

F50-54

4795

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15109

Females

4729

F50-54

4729

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15209

Females

4795

F50-54

4795

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14703

Females

4524

F50-54

4524

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14077

Females

4108

F50-54

4108

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13444

Females

3883

F50-54

3883

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11921

Females

3143

F50-54

3143

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10017

Females

2248

F50-54

2248

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8750

Females

1835

F50-54

1835

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8352

Females

1654

F50-54

1654

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8464

Females

1791

F50-54

1791

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6782

Females

1204

F50-54

1204

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6908

Females

1339

F50-54

1339

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7336

Females

1580

F50-54

1580

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7669

Females

1698

F50-54

1698

Passing Analysis

Category:
Athletes Passed
4842
Passed By
243
Net Change
+4599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17005
5K → 10K104261+981#17005#16024
10K → 15K37383+290#16024#15734
15K → 20K33753+284#15734#15450
20K → Half7913+66#15450#15384
Half → 25K33912+327#15384#15057
25K → 30K5775+572#15057#14485
30K → 20M3235+318#14485#14167
20M → 21M3620+362#14167#13805
21M → 35K2171+216#13805#13589
35K → 23M3632+361#13589#13228
23M → 24M2940+294#13228#12934
24M → 40K2401+239#12934#12695
40K → 25.2M854+81#12695#12614
25.2M → Finish2113+208#12614#12406
TOTALS4842243+4599
📊

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