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BOSTON MARATHON 2023

Sally Boles

Bib: 18888•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F50-54)
#0 / 1207
Top 38%
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
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:17:10
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:44:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:50:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:11:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:39:15
↑ 181↓ 1480.2%
20M
9:06/mi
2:51:37
↑ 64↓ 500.2%
21M
9:22/mi
3:00:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:22/mi
3:08:00
↑ 17↓ 861.7%
23M
9:17/mi
3:19:38
↑ 23↓ 630.6%
24M
8:43/mi
3:28:21
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:36:12
↓ 200.3%
25.2M
9:52/mi
3:39:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:48:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:05
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:58:30
Pace9:02 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5825:118:0625:11
8:06
-
10K
6.21 mi11:46:5451:078:1425:56
8:21
+0:15
15K
9.32 mi12:12:571:17:108:1726:03
8:23
+0:02
20K
12.43 mi12:40:011:44:148:2327:04
8:43
+0:20
Half
13.11 mi12:45:521:50:058:245:51
8:34
-0:09
25K
15.53 mi13:06:562:11:098:2721:04
8:41
+0:07
30K
18.64 mi13:35:022:39:158:3328:06
9:03
+0:22
20M
20.00 mi13:47:242:51:378:3512:22
9:06
+0:03
21M
21.00 mi13:56:463:00:598:379:22
9:22
+0:16
35K
21.75 mi14:03:473:08:008:397:01
9:22
0:00
23M
23.00 mi14:15:253:19:388:4111:38
9:17
-0:05
24M
24.00 mi14:24:083:28:218:418:43
8:43
-0:34
40K
24.85 mi14:31:593:36:128:427:51
9:11
+0:28
25.2M
25.20 mi14:35:233:39:368:433:24
9:52
+0:41
Finish
26.22 mi14:44:223:48:358:438:59
8:49
-1:03

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

8:06 /mi

Average Pace

8:43 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:01

36% of race

Time at Steady Pace

1:05:50

29% of race

Time at Slower Pace

1:19:44

35% of race

Average Pace: 8:43 /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 mi11:20:5825:118:0625:11
8:06
#14774
10K
6.21 mi11:46:5451:078:1425:56
8:21
#16008
15K
9.32 mi12:12:571:17:108:1726:03
8:23
#16360
20K
12.43 mi12:40:011:44:148:2327:04
8:43
#16840
Half
13.11 mi12:45:521:50:058:245:51
8:34
#16930
25K
15.53 mi13:06:562:11:098:2721:04
8:41
#16994
30K
18.64 mi13:35:022:39:158:3328:06
9:03
#17020
20M
20.00 mi13:47:242:51:378:3512:22
9:06
#17004
21M
21.00 mi13:56:463:00:598:379:22
9:22
#16910
35K
21.75 mi14:03:473:08:008:397:01
9:22
#17027
23M
23.00 mi14:15:253:19:388:4111:38
9:17
#17050
24M
24.00 mi14:24:083:28:218:418:43
8:43
#16990
40K
24.85 mi14:31:593:36:128:427:51
9:11
#16985
25.2M
25.20 mi14:35:233:39:368:433:24
9:52
#16982
Finish
26.22 mi14:44:223:48:358:438:59
8:49
#16997
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi147744505450517061(Top 64%)5959(Top 52%)5959(Top 494%)
10K6.21 mi3.10 mi16008-12345285-7805285-78017235(Top 65%)6024(Top 53%)6024(Top 499%)
15K9.32 mi3.11 mi16360-3525505-2205505-22017061(Top 64%)5959(Top 52%)5959(Top 494%)
20K12.43 mi3.11 mi16840-4805827-3225827-32218195(Top 68%)6614(Top 58%)6614(Top 548%)
Half13.11 mi0.68 mi16930-905886-595886-5918202(Top 68%)6597(Top 58%)6597(Top 547%)
25K15.53 mi2.42 mi16994-645941-555941-5517328(Top 65%)6189(Top 54%)6189(Top 513%)
30K18.64 mi3.11 mi17020-265975-345975-3417411(Top 65%)6305(Top 55%)6305(Top 522%)
20M20.00 mi1.36 mi17004+165973+25973+217072(Top 64%)6202(Top 54%)6202(Top 514%)
21M21.00 mi1.00 mi16910+945931+425931+4215367(Top 58%)5273(Top 46%)5273(Top 437%)
35K21.75 mi0.75 mi17027-1176017-866017-8619411(Top 73%)7619(Top 67%)7619(Top 631%)
23M23.00 mi1.25 mi17050-236050-336050-3317487(Top 66%)6559(Top 57%)6559(Top 543%)
24M24.00 mi1.00 mi16990+606039+116039+1115780(Top 59%)5693(Top 50%)5693(Top 472%)
40K24.85 mi0.85 mi16985+56054-156054-1517040(Top 64%)6425(Top 56%)6425(Top 532%)
25.2M25.20 mi0.35 mi16982+36060-66060-616852(Top 63%)6343(Top 56%)6343(Top 526%)
Finish26.22 mi1.02 mi16997-156078-186078-1817132(Top 64%)6447(Top 56%)6447(Top 534%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17061

Females

5959

F50-54

5959

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17235

Females

6024

F50-54

6024

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17061

Females

5959

F50-54

5959

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18195

Females

6614

F50-54

6614

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18202

Females

6597

F50-54

6597

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17328

Females

6189

F50-54

6189

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17411

Females

6305

F50-54

6305

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17072

Females

6202

F50-54

6202

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15367

Females

5273

F50-54

5273

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19411

Females

7619

F50-54

7619

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17487

Females

6559

F50-54

6559

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15780

Females

5693

F50-54

5693

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17040

Females

6425

F50-54

6425

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16852

Females

6343

F50-54

6343

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17132

Females

6447

F50-54

6447

Passing Analysis

Category:
Athletes Passed
1010
Passed By
3233
Net Change
-2223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14774
5K → 10K351269-1234#14774#16008
10K → 15K89441-352#16008#16360
15K → 20K69549-480#16360#16840
20K → Half595-90#16840#16930
Half → 25K96160-64#16930#16994
25K → 30K166192-26#16994#17020
30K → 20M8670+16#17020#17004
20M → 21M12834+94#17004#16910
21M → 35K20137-117#16910#17027
35K → 23M77100-23#17027#17050
23M → 24M9131+60#17050#16990
24M → 40K6156+5#16990#16985
40K → 25.2M3128+3#16985#16982
25.2M → Finish5671-15#16982#16997
TOTALS10103233-2223
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing