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BOSTON MARATHON 2023

Roberta Marques

Bib: 18866•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Division (F18-39)
#0 / 4884
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
8:22/mi
51:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:16:54
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:42:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:48:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:08:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:46/mi
2:35:57
↑ 181↓ 1480.2%
20M
8:43/mi
2:47:48
↑ 64↓ 500.2%
21M
9:19/mi
2:57:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:03:42
↑ 17↓ 861.7%
23M
9:06/mi
3:15:06
↑ 23↓ 630.6%
24M
9:04/mi
3:24:10
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:31:43
↓ 200.3%
25.2M
9:43/mi
3:35:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:43:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:19
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:55:29
Pace8:49 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4825:118:0625:11
8:06
-
10K
6.21 mi11:46:4751:108:1425:59
8:22
+0:16
15K
9.32 mi12:12:311:16:548:1525:44
8:17
-0:05
20K
12.43 mi12:38:181:42:418:1625:47
8:18
+0:01
Half
13.11 mi12:43:561:48:198:165:38
8:15
-0:03
25K
15.53 mi13:04:212:08:448:1720:25
8:25
+0:10
30K
18.64 mi13:31:342:35:578:2227:13
8:46
+0:21
20M
20.00 mi13:43:252:47:488:2311:51
8:43
-0:03
21M
21.00 mi13:52:442:57:078:269:19
9:19
+0:36
35K
21.75 mi13:59:193:03:428:276:35
8:48
-0:31
23M
23.00 mi14:10:433:15:068:2911:24
9:06
+0:18
24M
24.00 mi14:19:473:24:108:309:04
9:04
-0:02
40K
24.85 mi14:27:203:31:438:317:33
8:50
-0:14
25.2M
25.20 mi14:30:413:35:048:323:21
9:43
+0:53
Finish
26.22 mi14:39:253:43:488:338:44
8:34
-1:09

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

8:33 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:40

85% of race

Time at Steady Pace

29:47

13% of race

Time at Slower Pace

3:21

1% of race

Average Pace: 8:32 /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 mi11:20:4825:118:0625:11
8:06
#14772
10K
6.21 mi11:46:4751:108:1425:59
8:22
#16075
15K
9.32 mi12:12:311:16:548:1525:44
8:17
#16191
20K
12.43 mi12:38:181:42:418:1625:47
8:18
#16000
Half
13.11 mi12:43:561:48:198:165:38
8:15
#16007
25K
15.53 mi13:04:212:08:448:1720:25
8:25
#15954
30K
18.64 mi13:31:342:35:578:2227:13
8:46
#15906
20M
20.00 mi13:43:252:47:488:2311:51
8:43
#15831
21M
21.00 mi13:52:442:57:078:269:19
9:19
#15756
35K
21.75 mi13:59:193:03:428:276:35
8:48
#15785
23M
23.00 mi14:10:433:15:068:2911:24
9:06
#15826
24M
24.00 mi14:19:473:24:108:309:04
9:04
#15927
40K
24.85 mi14:27:203:31:438:317:33
8:50
#15883
25.2M
25.20 mi14:30:413:35:048:323:21
9:43
#15880
Finish
26.22 mi14:39:253:43:488:338:44
8:34
#15880
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147724503450316437(Top 62%)5556(Top 49%)5556(Top 114%)
10K6.21 mi3.10 mi16075-13035327-8245327-82417336(Top 65%)6084(Top 53%)6084(Top 125%)
15K9.32 mi3.11 mi16191-1165403-765403-7616437(Top 62%)5556(Top 49%)5556(Top 114%)
20K12.43 mi3.11 mi16000+1915308+955308+9515613(Top 59%)5105(Top 45%)5105(Top 105%)
Half13.11 mi0.68 mi16007-75316-85316-816248(Top 61%)5449(Top 48%)5449(Top 112%)
25K15.53 mi2.42 mi15954+535307+95307+915722(Top 59%)5272(Top 46%)5272(Top 108%)
30K18.64 mi3.11 mi15906+485319-125319-1215835(Top 59%)5407(Top 47%)5407(Top 111%)
20M20.00 mi1.36 mi15831+755299+205299+2015014(Top 56%)5003(Top 44%)5003(Top 102%)
21M21.00 mi1.00 mi15756+755271+285271+2815101(Top 57%)5118(Top 45%)5118(Top 105%)
35K21.75 mi0.75 mi15785-295305-345305-3416945(Top 64%)6239(Top 55%)6239(Top 128%)
23M23.00 mi1.25 mi15826-415355-505355-5016574(Top 62%)6063(Top 53%)6063(Top 124%)
24M24.00 mi1.00 mi15927-1015430-755430-7517542(Top 66%)6643(Top 58%)6643(Top 136%)
40K24.85 mi0.85 mi15883+445415+155415+1515268(Top 57%)5450(Top 48%)5450(Top 112%)
25.2M25.20 mi0.35 mi15880+35414+15414+116221(Top 61%)5988(Top 52%)5988(Top 123%)
Finish26.22 mi1.02 mi158805419-55419-515842(Top 60%)5721(Top 50%)5721(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16437

Females

5556

F18-39

5556

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17336

Females

6084

F18-39

6084

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16437

Females

5556

F18-39

5556

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15613

Females

5105

F18-39

5105

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16248

Females

5449

F18-39

5449

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15722

Females

5272

F18-39

5272

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15835

Females

5407

F18-39

5407

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15014

Females

5003

F18-39

5003

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15101

Females

5118

F18-39

5118

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16945

Females

6239

F18-39

6239

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16574

Females

6063

F18-39

6063

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17542

Females

6643

F18-39

6643

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15268

Females

5450

F18-39

5450

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16221

Females

5988

F18-39

5988

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15842

Females

5721

F18-39

5721

Passing Analysis

Category:
Athletes Passed
1428
Passed By
2536
Net Change
-1108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14772
5K → 10K291332-1303#14772#16075
10K → 15K153269-116#16075#16191
15K → 20K26776+191#16191#16000
20K → Half3138-7#16000#16007
Half → 25K160107+53#16007#15954
25K → 30K201153+48#15954#15906
30K → 20M13055+75#15906#15831
20M → 21M13762+75#15831#15756
21M → 35K3867-29#15756#15785
35K → 23M62103-41#15785#15826
23M → 24M49150-101#15826#15927
24M → 40K7834+44#15927#15883
40K → 25.2M3128+3#15883#15880
25.2M → Finish62620#15880#15880
TOTALS14282536-1108
📊

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