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BOSTON MARATHON 2023

Barbara Maia

Bib: 15284•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:23
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:32:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:37:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:55:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:19:02
↑ 181↓ 1480.2%
20M
7:38/mi
2:29:24
↑ 64↓ 500.2%
21M
8:07/mi
2:37:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:43:13
↑ 17↓ 861.7%
23M
7:53/mi
2:53:05
↑ 23↓ 630.6%
24M
7:46/mi
3:00:51
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:07:43
↓ 200.3%
25.2M
8:42/mi
3:10:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:18:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2523:397:3723:39
7:37
-
10K
6.21 mi11:15:1546:297:2922:50
7:21
-0:16
15K
9.32 mi11:38:091:09:237:2722:54
7:22
+0:01
20K
12.43 mi12:01:071:32:217:2622:58
7:24
+0:02
Half
13.11 mi12:06:071:37:217:265:00
7:20
-0:04
25K
15.53 mi12:24:091:55:237:2618:02
7:26
+0:06
30K
18.64 mi12:47:482:19:027:2823:39
7:37
+0:11
20M
20.00 mi12:58:102:29:247:2810:22
7:38
+0:01
21M
21.00 mi13:06:172:37:317:308:07
8:07
+0:29
35K
21.75 mi13:11:592:43:137:305:42
7:37
-0:30
23M
23.00 mi13:21:512:53:057:329:52
7:53
+0:16
24M
24.00 mi13:29:373:00:517:327:46
7:46
-0:07
40K
24.85 mi13:36:293:07:437:336:52
8:02
+0:16
25.2M
25.20 mi13:39:293:10:437:343:00
8:42
+0:40
Finish
26.22 mi13:47:393:18:537:358:10
8:01
-0:41

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

7:20 /mi

Average Pace

7:35 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:46

94% of race

Time at Steady Pace

8:07

4% of race

Time at Slower Pace

3:00

2% of race

Average Pace: 7:35 /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 mi10:52:2523:397:3723:39
7:37
#10652
10K
6.21 mi11:15:1546:297:2922:50
7:21
#9845
15K
9.32 mi11:38:091:09:237:2722:54
7:22
#9572
20K
12.43 mi12:01:071:32:217:2622:58
7:24
#9257
Half
13.11 mi12:06:071:37:217:265:00
7:20
#9219
25K
15.53 mi12:24:091:55:237:2618:02
7:26
#9045
30K
18.64 mi12:47:482:19:027:2823:39
7:37
#8816
20M
20.00 mi12:58:102:29:247:2810:22
7:38
#8719
21M
21.00 mi13:06:172:37:317:308:07
8:07
#8648
35K
21.75 mi13:11:592:43:137:305:42
7:37
#8675
23M
23.00 mi13:21:512:53:057:329:52
7:53
#8669
24M
24.00 mi13:29:373:00:517:327:46
7:46
#8690
40K
24.85 mi13:36:293:07:437:336:52
8:02
#8719
25.2M
25.20 mi13:39:293:10:437:343:00
8:42
#8739
Finish
26.22 mi13:47:393:18:537:358:10
8:01
#8852
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10652215821589115(Top 34%)1491(Top 13%)1491(Top 31%)
10K6.21 mi3.10 mi9845+8071763+3951763+3959236(Top 35%)1509(Top 13%)1509(Top 31%)
15K9.32 mi3.11 mi9572+2731646+1171646+1179115(Top 34%)1491(Top 13%)1491(Top 31%)
20K12.43 mi3.11 mi9257+3151542+1041542+1048464(Top 32%)1286(Top 11%)1286(Top 26%)
Half13.11 mi0.68 mi9219+381527+151527+158893(Top 33%)1443(Top 13%)1443(Top 30%)
25K15.53 mi2.42 mi9045+1741461+661461+668333(Top 31%)1306(Top 11%)1306(Top 27%)
30K18.64 mi3.11 mi8816+2291412+491412+498030(Top 30%)1324(Top 12%)1324(Top 27%)
20M20.00 mi1.36 mi8719+971399+131399+137708(Top 29%)1296(Top 11%)1296(Top 27%)
21M21.00 mi1.00 mi8648+711393+61393+68137(Top 31%)1575(Top 14%)1575(Top 32%)
35K21.75 mi0.75 mi8675-271415-221415-229425(Top 35%)2102(Top 18%)2102(Top 43%)
23M23.00 mi1.25 mi8669+61436-211436-218957(Top 34%)2001(Top 18%)2001(Top 41%)
24M24.00 mi1.00 mi8690-211467-311467-319538(Top 36%)2348(Top 21%)2348(Top 48%)
40K24.85 mi0.85 mi8719-291505-381505-3810261(Top 39%)2772(Top 24%)2772(Top 57%)
25.2M25.20 mi0.35 mi8739-201526-211526-2110770(Top 40%)3044(Top 27%)3044(Top 62%)
Finish26.22 mi1.02 mi8852-1131578-521578-5212230(Top 46%)3814(Top 33%)3814(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9115

Females

1491

F18-39

1491

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9236

Females

1509

F18-39

1509

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9115

Females

1491

F18-39

1491

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8464

Females

1286

F18-39

1286

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8893

Females

1443

F18-39

1443

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8333

Females

1306

F18-39

1306

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8030

Females

1324

F18-39

1324

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7708

Females

1296

F18-39

1296

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8137

Females

1575

F18-39

1575

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9425

Females

2102

F18-39

2102

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8957

Females

2001

F18-39

2001

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9538

Females

2348

F18-39

2348

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10261

Females

2772

F18-39

2772

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10770

Females

3044

F18-39

3044

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12230

Females

3814

F18-39

3814

Passing Analysis

Category:
Athletes Passed
2602*
Passed By
802
Net Change
+1800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10652
5K → 10K871*64+807#10652#9845
10K → 15K34269+273#9845#9572
15K → 20K33924+315#9572#9257
20K → Half4911+38#9257#9219
Half → 25K20531+174#9219#9045
25K → 30K28253+229#9045#8816
30K → 20M13437+97#8816#8719
20M → 21M10736+71#8719#8648
21M → 35K3562-27#8648#8675
35K → 23M7771+6#8675#8669
23M → 24M6182-21#8669#8690
24M → 40K5483-29#8690#8719
40K → 25.2M2141-20#8719#8739
25.2M → Finish25138-113#8739#8852
TOTALS2602*802+1800

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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