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BOSTON MARATHON 2023

Cynthia Bartus

Bib: 13954•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F40-44)
#0 / 1878
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
7:57/mi
24:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:14:44
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:40:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:45:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:06:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:33:51
↑ 181↓ 1480.2%
20M
8:49/mi
2:45:50
↑ 64↓ 500.2%
21M
9:34/mi
2:55:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:02:04
↑ 17↓ 861.7%
23M
9:02/mi
3:13:23
↑ 23↓ 630.6%
24M
8:51/mi
3:22:14
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:29:55
↓ 200.3%
25.2M
9:34/mi
3:33:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:42/mi
3:42:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:56:09
Pace8:52 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0124:417:5724:41
7:57
-
10K
6.21 mi11:17:5849:387:5924:57
8:02
+0:05
15K
9.32 mi11:43:041:14:448:0125:06
8:05
+0:03
20K
12.43 mi12:08:411:40:218:0425:37
8:15
+0:10
Half
13.11 mi12:14:161:45:568:055:35
8:11
-0:04
25K
15.53 mi12:34:492:06:298:0920:33
8:29
+0:18
30K
18.64 mi13:02:112:33:518:1527:22
8:49
+0:20
20M
20.00 mi13:14:102:45:508:1711:59
8:49
0:00
21M
21.00 mi13:23:442:55:248:219:34
9:34
+0:45
35K
21.75 mi13:30:243:02:048:226:40
8:55
-0:39
23M
23.00 mi13:41:433:13:238:2411:19
9:02
+0:07
24M
24.00 mi13:50:343:22:148:268:51
8:51
-0:11
40K
24.85 mi13:58:153:29:558:277:41
8:59
+0:08
25.2M
25.20 mi14:01:333:33:138:283:18
9:34
+0:35
Finish
26.22 mi14:10:253:42:058:298:52
8:42
-0:52

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

7:57 /mi

Average Pace

8:29 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:29

57% of race

Time at Steady Pace

1:22:44

37% of race

Time at Slower Pace

12:52

6% 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 mi10:53:0124:417:5724:41
7:57
#13630
10K
6.21 mi11:17:5849:387:5924:57
8:02
#14308
15K
9.32 mi11:43:041:14:448:0125:06
8:05
#14484
20K
12.43 mi12:08:411:40:218:0425:37
8:15
#14697
Half
13.11 mi12:14:161:45:568:055:35
8:11
#14740
25K
15.53 mi12:34:492:06:298:0920:33
8:29
#14933
30K
18.64 mi13:02:112:33:518:1527:22
8:49
#15154
20M
20.00 mi13:14:102:45:508:1711:59
8:49
#15183
21M
21.00 mi13:23:442:55:248:219:34
9:34
#15228
35K
21.75 mi13:30:243:02:048:226:40
8:55
#15283
23M
23.00 mi13:41:433:13:238:2411:19
9:02
#15351
24M
24.00 mi13:50:343:22:148:268:51
8:51
#15407
40K
24.85 mi13:58:153:29:558:277:41
8:59
#15436
25.2M
25.20 mi14:01:333:33:138:283:18
9:34
#15421
Finish
26.22 mi14:10:253:42:058:298:52
8:42
#15468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136303804380415034(Top 56%)4700(Top 41%)4700(Top 250%)
10K6.21 mi3.10 mi14308-6784234-4304234-43015034(Top 56%)4703(Top 41%)4703(Top 250%)
15K9.32 mi3.11 mi14484-1764346-1124346-11215034(Top 56%)4700(Top 41%)4700(Top 250%)
20K12.43 mi3.11 mi14697-2134492-1464492-14615250(Top 57%)4868(Top 43%)4868(Top 259%)
Half13.11 mi0.68 mi14740-434522-304522-3015742(Top 59%)5148(Top 45%)5148(Top 274%)
25K15.53 mi2.42 mi14933-1934667-1454667-14516054(Top 60%)5472(Top 48%)5472(Top 291%)
30K18.64 mi3.11 mi15154-2214854-1874854-18716130(Top 61%)5569(Top 49%)5569(Top 297%)
20M20.00 mi1.36 mi15183-294895-414895-4115539(Top 58%)5296(Top 46%)5296(Top 282%)
21M21.00 mi1.00 mi15228-454949-544949-5416281(Top 61%)5783(Top 51%)5783(Top 308%)
35K21.75 mi0.75 mi15283-554996-474996-4717505(Top 66%)6547(Top 57%)6547(Top 349%)
23M23.00 mi1.25 mi15351-685064-685064-6816252(Top 61%)5879(Top 51%)5879(Top 313%)
24M24.00 mi1.00 mi15407-565115-515115-5116506(Top 62%)6082(Top 53%)6082(Top 324%)
40K24.85 mi0.85 mi15436-295154-395154-3916081(Top 60%)5901(Top 52%)5901(Top 314%)
25.2M25.20 mi0.35 mi15421+155147+75147+715551(Top 58%)5612(Top 49%)5612(Top 299%)
Finish26.22 mi1.02 mi15468-475187-405187-4016509(Top 62%)6100(Top 53%)6100(Top 325%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15034

Females

4700

F40-44

4700

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15034

Females

4703

F40-44

4703

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15034

Females

4700

F40-44

4700

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15250

Females

4868

F40-44

4868

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15742

Females

5148

F40-44

5148

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16054

Females

5472

F40-44

5472

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16130

Females

5569

F40-44

5569

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15539

Females

5296

F40-44

5296

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16281

Females

5783

F40-44

5783

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17505

Females

6547

F40-44

6547

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16252

Females

5879

F40-44

5879

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16506

Females

6082

F40-44

6082

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16081

Females

5901

F40-44

5901

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15551

Females

5612

F40-44

5612

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16509

Females

6100

F40-44

6100

Passing Analysis

Category:
Athletes Passed
966
Passed By
2804
Net Change
-1838
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13630
5K → 10K79757-678#13630#14308
10K → 15K126302-176#14308#14484
15K → 20K117330-213#14484#14697
20K → Half1356-43#14697#14740
Half → 25K90283-193#14740#14933
25K → 30K111332-221#14933#15154
30K → 20M73102-29#15154#15183
20M → 21M70115-45#15183#15228
21M → 35K2782-55#15228#15283
35K → 23M67135-68#15283#15351
23M → 24M49105-56#15351#15407
24M → 40K4978-29#15407#15436
40K → 25.2M4025+15#15436#15421
25.2M → Finish55102-47#15421#15468
TOTALS9662804-1838
📊

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