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BOSTON MARATHON 2023

Marcela Viviana Acuña Martinez

Bib: 19811•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 41%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:12:42
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:38:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:44:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:03:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:30:23
↑ 181↓ 1480.2%
20M
8:36/mi
2:42:04
↑ 64↓ 500.2%
21M
9:41/mi
2:51:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:57:37
↑ 17↓ 861.7%
23M
8:34/mi
3:08:20
↑ 23↓ 630.6%
24M
7:53/mi
3:16:13
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:23:19
↓ 200.3%
25.2M
10:00/mi
3:26:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:35:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:51:02
Pace8:28 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0624:167:4924:16
7:49
-
10K
6.21 mi11:39:5848:087:4523:52
7:41
-0:08
15K
9.32 mi12:04:321:12:427:4824:34
7:54
+0:13
20K
12.43 mi12:30:351:38:457:5726:03
8:23
+0:29
Half
13.11 mi12:35:561:44:067:565:21
7:50
-0:33
25K
15.53 mi12:55:442:03:547:5919:48
8:10
+0:20
30K
18.64 mi13:22:132:30:238:0426:29
8:31
+0:21
20M
20.00 mi13:33:542:42:048:0611:41
8:36
+0:05
21M
21.00 mi13:43:352:51:458:119:41
9:41
+1:05
35K
21.75 mi13:49:272:57:378:105:52
7:51
-1:50
23M
23.00 mi14:00:103:08:208:1110:43
8:34
+0:43
24M
24.00 mi14:08:033:16:138:117:53
7:53
-0:41
40K
24.85 mi14:15:093:23:198:117:06
8:18
+0:25
25.2M
25.20 mi14:18:363:26:468:123:27
10:00
+1:42
Finish
26.22 mi14:26:583:35:088:138:22
8:13
-1:47

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

7:41 /mi

Average Pace

8:13 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:14

31% of race

Time at Steady Pace

1:52:22

52% of race

Time at Slower Pace

35:32

17% of race

Average Pace: 8:12 /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 mi11:16:0624:167:4924:16
7:49
#12476
10K
6.21 mi11:39:5848:087:4523:52
7:41
#12245
15K
9.32 mi12:04:321:12:427:4824:34
7:54
#12690
20K
12.43 mi12:30:351:38:457:5726:03
8:23
#13671
Half
13.11 mi12:35:561:44:067:565:21
7:50
#13640
25K
15.53 mi12:55:442:03:547:5919:48
8:10
#13683
30K
18.64 mi13:22:132:30:238:0426:29
8:31
#13836
20M
20.00 mi13:33:542:42:048:0611:41
8:36
#13859
21M
21.00 mi13:43:352:51:458:119:41
9:41
#14057
35K
21.75 mi13:49:272:57:378:105:52
7:51
#13928
23M
23.00 mi14:00:103:08:208:1110:43
8:34
#13874
24M
24.00 mi14:08:033:16:138:117:53
7:53
#13702
40K
24.85 mi14:15:093:23:198:117:06
8:18
#13614
25.2M
25.20 mi14:18:363:26:468:123:27
10:00
#13699
Finish
26.22 mi14:26:583:35:088:138:22
8:13
#13670
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi124763147314713641(Top 51%)3865(Top 34%)3865(Top 206%)
10K6.21 mi3.10 mi12245+2313001+1463001+14612092(Top 45%)2926(Top 26%)2926(Top 156%)
15K9.32 mi3.11 mi12690-4453277-2763277-27613641(Top 51%)3865(Top 34%)3865(Top 206%)
20K12.43 mi3.11 mi13671-9813893-6163893-61616160(Top 61%)5444(Top 48%)5444(Top 290%)
Half13.11 mi0.68 mi13640+313873+203873+2013186(Top 50%)3620(Top 32%)3620(Top 193%)
25K15.53 mi2.42 mi13683-433921-483921-4814005(Top 53%)4225(Top 37%)4225(Top 225%)
30K18.64 mi3.11 mi13836-1534037-1164037-11614474(Top 54%)4607(Top 40%)4607(Top 245%)
20M20.00 mi1.36 mi13859-234077-404077-4014254(Top 54%)4566(Top 40%)4566(Top 243%)
21M21.00 mi1.00 mi14057-1984220-1434220-14316774(Top 63%)6050(Top 53%)6050(Top 322%)
35K21.75 mi0.75 mi13928+1294155+654155+6511028(Top 41%)2905(Top 25%)2905(Top 155%)
23M23.00 mi1.25 mi13874+544146+94146+913598(Top 51%)4393(Top 38%)4393(Top 234%)
24M24.00 mi1.00 mi13702+1724068+784068+7810459(Top 39%)2825(Top 25%)2825(Top 150%)
40K24.85 mi0.85 mi13614+884030+384030+3812115(Top 46%)3740(Top 33%)3740(Top 199%)
25.2M25.20 mi0.35 mi13699-854090-604090-6017403(Top 65%)6636(Top 58%)6636(Top 353%)
Finish26.22 mi1.02 mi13670+294095-54095-513528(Top 51%)4483(Top 39%)4483(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13641

Females

3865

F40-44

3865

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12092

Females

2926

F40-44

2926

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13641

Females

3865

F40-44

3865

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16160

Females

5444

F40-44

5444

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13186

Females

3620

F40-44

3620

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14005

Females

4225

F40-44

4225

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14474

Females

4607

F40-44

4607

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14254

Females

4566

F40-44

4566

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16774

Females

6050

F40-44

6050

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11028

Females

2905

F40-44

2905

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13598

Females

4393

F40-44

4393

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10459

Females

2825

F40-44

2825

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12115

Females

3740

F40-44

3740

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17403

Females

6636

F40-44

6636

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13528

Females

4483

F40-44

4483

Passing Analysis

Category:
Athletes Passed
1631
Passed By
2825
Net Change
-1194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12476
5K → 10K448217+231#12476#12245
10K → 15K80525-445#12245#12690
15K → 20K351016-981#12690#13671
20K → Half4413+31#13671#13640
Half → 25K118161-43#13640#13683
25K → 30K138291-153#13683#13836
30K → 20M87110-23#13836#13859
20M → 21M40238-198#13859#14057
21M → 35K1345+129#14057#13928
35K → 23M11056+54#13928#13874
23M → 24M1797+172#13874#13702
24M → 40K11830+88#13702#13614
40K → 25.2M1499-85#13614#13699
25.2M → Finish8657+29#13699#13670
TOTALS16312825-1194
📊

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