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BOSTON MARATHON 2023

Catalina Daniels

Bib: 31554•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
10:45/mi
33:24
↑ 97↓ 3451.5%
10K· 6.21 mi
10:47/mi
1:06:54
↑ 79↓ 1380.4%
15K· 9.32 mi
10:45/mi
1:40:19
↑ 67↓ 78
20K· 12.43 mi
11:09/mi
2:14:57
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:22:11
↑ 19↓ 370.5%
25K· 15.53 mi
10:52/mi
2:48:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:58/mi
3:25:42
↑ 181↓ 1480.2%
20M
11:54/mi
3:41:52
↑ 64↓ 500.2%
21M
14:00/mi
3:55:52
↑ 106↓ 241.6%
35K· 21.75 mi
11:08/mi
4:04:12
↑ 17↓ 861.7%
23M
12:28/mi
4:19:49
↑ 23↓ 630.6%
24M
11:31/mi
4:31:20
↓ 821.3%
40K· 24.85 mi
12:07/mi
4:41:42
↓ 200.3%
25.2M
11:53/mi
4:45:48
↑ 13↓ 160.2%
Finish· 26.22 mi
11:15/mi
4:57:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:11
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time2:35:05
Pace11:50 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3033:2410:4533:24
10:45
-
10K
6.21 mi12:27:001:06:5410:4633:30
10:47
+0:02
15K
9.32 mi13:00:251:40:1910:4633:25
10:45
-0:02
20K
12.43 mi13:35:032:14:5710:5234:38
11:09
+0:24
Half
13.11 mi13:42:172:22:1110:517:14
10:36
-0:33
25K
15.53 mi14:08:382:48:3210:5126:21
10:52
+0:16
30K
18.64 mi14:45:483:25:4211:0237:10
11:58
+1:06
20M
20.00 mi15:01:583:41:5211:0616:10
11:54
-0:04
21M
21.00 mi15:15:583:55:5211:1414:00
14:00
+2:06
35K
21.75 mi15:24:184:04:1211:148:20
11:08
-2:52
23M
23.00 mi15:39:554:19:4911:1815:37
12:28
+1:20
24M
24.00 mi15:51:264:31:2011:1811:31
11:31
-0:57
40K
24.85 mi16:01:484:41:4211:2010:22
12:07
+0:36
25.2M
25.20 mi16:05:544:45:4811:204:06
11:53
-0:14
Finish
26.22 mi16:17:224:57:1611:2111:28
11:15
-0:38

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

10:36 /mi

Average Pace

11:21 /mi

Slowest Pace

14:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:33

36% of race

Time at Steady Pace

1:32:18

31% of race

Time at Slower Pace

1:37:25

33% of race

Average Pace: 11:20 /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 mi11:53:3033:2410:4533:24
10:45
#25285
10K
6.21 mi12:27:001:06:5410:4633:30
10:47
#25198
15K
9.32 mi13:00:251:40:1910:4633:25
10:45
#25084
20K
12.43 mi13:35:032:14:5710:5234:38
11:09
#25009
Half
13.11 mi13:42:172:22:1110:517:14
10:36
#24972
25K
15.53 mi14:08:382:48:3210:5126:21
10:52
#24777
30K
18.64 mi14:45:483:25:4211:0237:10
11:58
#24733
20M
20.00 mi15:01:583:41:5211:0616:10
11:54
#24676
21M
21.00 mi15:15:583:55:5211:1414:00
14:00
#24744
35K
21.75 mi15:24:184:04:1211:148:20
11:08
#24707
23M
23.00 mi15:39:554:19:4911:1815:37
12:28
#24701
24M
24.00 mi15:51:264:31:2011:1811:31
11:31
#24680
40K
24.85 mi16:01:484:41:4211:2010:22
12:07
#24656
25.2M
25.20 mi16:05:544:45:4811:204:06
11:53
#24632
Finish
26.22 mi16:17:224:57:1611:2111:28
11:15
#24648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25285106011060124878(Top 93%)10397(Top 91%)10397(Top 1276%)
10K6.21 mi3.10 mi25198+8710543+5810543+5825148(Top 94%)10523(Top 92%)10523(Top 1291%)
15K9.32 mi3.11 mi25084+11410487+5610487+5624878(Top 93%)10397(Top 91%)10397(Top 1276%)
20K12.43 mi3.11 mi25009+7510460+2710460+2724811(Top 93%)10373(Top 91%)10373(Top 1273%)
Half13.11 mi0.68 mi24972+3710442+1810442+1824389(Top 92%)10150(Top 89%)10150(Top 1245%)
25K15.53 mi2.42 mi24777+19510346+9610346+9623774(Top 89%)9833(Top 86%)9833(Top 1207%)
30K18.64 mi3.11 mi24733+4410336+1010336+1024455(Top 92%)10253(Top 90%)10253(Top 1258%)
20M20.00 mi1.36 mi24676+5710310+2610310+2624079(Top 90%)10125(Top 89%)10125(Top 1242%)
21M21.00 mi1.00 mi24744-6810357-4710357-4725040(Top 94%)10630(Top 93%)10630(Top 1304%)
35K21.75 mi0.75 mi24707+3710338+1910338+1923564(Top 89%)9916(Top 87%)9916(Top 1217%)
23M23.00 mi1.25 mi24701+610348-1010348-1024559(Top 92%)10420(Top 91%)10420(Top 1279%)
24M24.00 mi1.00 mi24680+21103481034823906(Top 90%)10114(Top 89%)10114(Top 1241%)
40K24.85 mi0.85 mi24656+2410341+710341+724046(Top 90%)10199(Top 89%)10199(Top 1251%)
25.2M25.20 mi0.35 mi24632+2410328+1310328+1322337(Top 84%)9315(Top 82%)9315(Top 1143%)
Finish26.22 mi1.02 mi24648-1610339-1110339-1124372(Top 92%)10344(Top 91%)10344(Top 1269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24878

Females

10397

F55-59

10397

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25148

Females

10523

F55-59

10523

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24878

Females

10397

F55-59

10397

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24811

Females

10373

F55-59

10373

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24389

Females

10150

F55-59

10150

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23774

Females

9833

F55-59

9833

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24455

Females

10253

F55-59

10253

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

24079

Females

10125

F55-59

10125

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25040

Females

10630

F55-59

10630

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23564

Females

9916

F55-59

9916

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24559

Females

10420

F55-59

10420

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23906

Females

10114

F55-59

10114

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24046

Females

10199

F55-59

10199

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22337

Females

9315

F55-59

9315

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24372

Females

10344

F55-59

10344

Passing Analysis

Category:
Athletes Passed
1163
Passed By
526
Net Change
+637
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25285
5K → 10K206119+87#25285#25198
10K → 15K17157+114#25198#25084
15K → 20K13560+75#25084#25009
20K → Half414+37#25009#24972
Half → 25K2016+195#24972#24777
25K → 30K11167+44#24777#24733
30K → 20M8124+57#24733#24676
20M → 21M1179-68#24676#24744
21M → 35K403+37#24744#24707
35K → 23M4236+6#24707#24701
23M → 24M3716+21#24701#24680
24M → 40K4218+24#24680#24656
40K → 25.2M251+24#24656#24632
25.2M → Finish2036-16#24632#24648
TOTALS1163526+637
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing