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BOSTON MARATHON 2023

Carol Smith

Bib: 23944•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
29:53
Rank: #22439
Start → 5K
29:53 | 9:37/mi
10K· 6.21 mi
1:01:06
Rank: #23240 (-801)
5K → 10K
31:13 | 10:03/mi
15K· 9.32 mi
1:33:04
Rank: #23567 (-327)
10K → 15K
31:58 | 10:17/mi
20K· 12.43 mi
2:05:50
Rank: #23701 (-134)
15K → 20K
32:46 | 10:33/mi
Half· 13.11 mi
2:12:54
Rank: #23698 (+3)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:39:47
Rank: #23746 (-48)
Half → 25K
26:53 | 11:05/mi
30K· 18.64 mi
3:15:05
Rank: #23732 (+14)
25K → 30K
35:18 | 11:22/mi
20M
3:31:20
Rank: #23785 (-53)
30K → 20M
16:15 | 11:57/mi
21M
3:43:25
Rank: #23736 (+49)
20M → 21M
12:05 | 12:05/mi
35K· 21.75 mi
3:51:21
Rank: #23705 (+31)
21M → 35K
7:56 | 10:36/mi
23M
4:05:15
Rank: #23652 (+53)
35K → 23M
13:54 | 11:06/mi
24M
4:16:00
Rank: #23608 (+44)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:25:34
Rank: #23590 (+18)
24M → 40K
9:34 | 11:11/mi
25.2M
4:29:35
Rank: #23576 (+14)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:40:14
Rank: #23560 (+16)
25.2M → Finish
10:39 | 10:27/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:54
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:27:20
Pace11:14 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0429:539:3729:53
9:37
-
10K
6.21 mi11:56:171:01:069:5031:13
10:03
+0:26
15K
9.32 mi12:28:151:33:049:5931:58
10:17
+0:14
20K
12.43 mi13:01:012:05:5010:0832:46
10:33
+0:16
Half
13.11 mi13:08:052:12:5410:087:04
10:21
-0:12
25K
15.53 mi13:34:582:39:4710:1726:53
11:05
+0:44
30K
18.64 mi14:10:163:15:0510:2835:18
11:22
+0:17
20M
20.00 mi14:26:313:31:2010:3416:15
11:57
+0:35
21M
21.00 mi14:38:363:43:2510:3812:05
12:05
+0:08
35K
21.75 mi14:46:323:51:2110:387:56
10:36
-1:29
23M
23.00 mi15:00:264:05:1510:4013:54
11:06
+0:30
24M
24.00 mi15:11:114:16:0010:4010:45
10:45
-0:21
40K
24.85 mi15:20:454:25:3410:419:34
11:11
+0:26
25.2M
25.20 mi15:24:464:29:3510:424:01
11:39
+0:28
Finish
26.22 mi15:35:254:40:1410:4210:39
10:27
-1:12

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

9:37 /mi

Average Pace

10:42 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:40:08

36% of race

Time at Steady Pace

1:28:59

32% of race

Time at Slower Pace

1:31:07

33% of race

Average Pace: 10:41 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:25:0429:539:3729:53
9:37
#22439
10K
6.21 mi11:56:171:01:069:5031:13
10:03
#23240
15K
9.32 mi12:28:151:33:049:5931:58
10:17
#23567
20K
12.43 mi13:01:012:05:5010:0832:46
10:33
#23701
Half
13.11 mi13:08:052:12:5410:087:04
10:21
#23698
25K
15.53 mi13:34:582:39:4710:1726:53
11:05
#23746
30K
18.64 mi14:10:163:15:0510:2835:18
11:22
#23732
20M
20.00 mi14:26:313:31:2010:3416:15
11:57
#23785
21M
21.00 mi14:38:363:43:2510:3812:05
12:05
#23736
35K
21.75 mi14:46:323:51:2110:387:56
10:36
#23705
23M
23.00 mi15:00:264:05:1510:4013:54
11:06
#23652
24M
24.00 mi15:11:114:16:0010:4010:45
10:45
#23608
40K
24.85 mi15:20:454:25:3410:419:34
11:11
#23590
25.2M
25.20 mi15:24:464:29:3510:424:01
11:39
#23576
Finish
26.22 mi15:35:254:40:1410:4210:39
10:27
#23560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi224399104910424072(Top 90%)9930(Top 87%)9930(Top 1884%)
10K6.21 mi3.10 mi23240-8019498-3949498-39423797(Top 89%)9780(Top 86%)9780(Top 1856%)
15K9.32 mi3.11 mi23567-3279651-1539651-15324072(Top 90%)9930(Top 87%)9930(Top 1884%)
20K12.43 mi3.11 mi23701-1349722-719722-7123912(Top 90%)9848(Top 86%)9848(Top 1869%)
Half13.11 mi0.68 mi23698+39722972223943(Top 90%)9879(Top 86%)9879(Top 1875%)
25K15.53 mi2.42 mi23746-489763-419763-4124107(Top 91%)10011(Top 88%)10011(Top 1900%)
30K18.64 mi3.11 mi23732+149769-69769-623665(Top 89%)9815(Top 86%)9815(Top 1862%)
20M20.00 mi1.36 mi23785-539806-379806-3724153(Top 91%)10157(Top 89%)10157(Top 1927%)
21M21.00 mi1.00 mi23736+499791+159791+1522894(Top 86%)9496(Top 83%)9496(Top 1802%)
35K21.75 mi0.75 mi23705+319779+129779+1222597(Top 85%)9371(Top 82%)9371(Top 1778%)
23M23.00 mi1.25 mi23652+539755+249755+2422555(Top 85%)9358(Top 82%)9358(Top 1776%)
24M24.00 mi1.00 mi23608+449744+119744+1122582(Top 85%)9409(Top 82%)9409(Top 1785%)
40K24.85 mi0.85 mi23590+189738+69738+622729(Top 85%)9516(Top 83%)9516(Top 1806%)
25.2M25.20 mi0.35 mi23576+149736+29736+221898(Top 82%)9082(Top 80%)9082(Top 1723%)
Finish26.22 mi1.02 mi23560+169743-79743-722918(Top 86%)9615(Top 84%)9615(Top 1824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

24072

Females

9930

F60-64

9930

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23797

Females

9780

F60-64

9780

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

24072

Females

9930

F60-64

9930

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23912

Females

9848

F60-64

9848

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23943

Females

9879

F60-64

9879

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24107

Females

10011

F60-64

10011

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23665

Females

9815

F60-64

9815

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24153

Females

10157

F60-64

10157

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22894

Females

9496

F60-64

9496

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22597

Females

9371

F60-64

9371

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22555

Females

9358

F60-64

9358

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22582

Females

9409

F60-64

9409

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22729

Females

9516

F60-64

9516

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21898

Females

9082

F60-64

9082

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22918

Females

9615

F60-64

9615

Passing Analysis

Category:
Athletes Passed
717
Passed By
1838
Net Change
-1121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22439
5K → 10K30831-801#22439#23240
10K → 15K41368-327#23240#23567
15K → 20K76210-134#23567#23701
20K → Half2118+3#23701#23698
Half → 25K66114-48#23698#23746
25K → 30K11096+14#23746#23732
30K → 20M3790-53#23732#23785
20M → 21M7627+49#23785#23736
21M → 35K376+31#23736#23705
35K → 23M7219+53#23705#23652
23M → 24M5511+44#23652#23608
24M → 40K3618+18#23608#23590
40K → 25.2M195+14#23590#23576
25.2M → Finish4125+16#23576#23560
TOTALS7171838-1121
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing