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BOSTON MARATHON 2023

Isabel Maldonado

Bib: 22050•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:05
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:38:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:44:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:06:48
↑ 66↓ 880.2%
30K· 18.64 mi
11:01/mi
2:41:01
↑ 181↓ 1480.2%
20M
10:20/mi
2:55:04
↑ 64↓ 500.2%
21M
11:39/mi
3:06:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:13:48
↑ 17↓ 861.7%
23M
10:27/mi
3:26:53
↑ 23↓ 630.6%
24M
9:03/mi
3:35:56
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:44:05
↓ 200.3%
25.2M
11:19/mi
3:47:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:17/mi
3:58:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:14:25
Pace10:15 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2524:397:5624:39
7:56
-
10K
6.21 mi11:41:3148:457:5124:06
7:45
-0:11
15K
9.32 mi12:05:511:13:057:5024:20
7:50
+0:05
20K
12.43 mi12:31:101:38:247:5525:19
8:09
+0:19
Half
13.11 mi12:36:491:44:037:565:39
8:17
+0:08
25K
15.53 mi12:59:342:06:488:1022:45
9:23
+1:06
30K
18.64 mi13:33:472:41:018:3834:13
11:01
+1:38
20M
20.00 mi13:47:502:55:048:4514:03
10:20
-0:41
21M
21.00 mi13:59:293:06:438:5311:39
11:39
+1:19
35K
21.75 mi14:06:343:13:488:557:05
9:28
-2:11
23M
23.00 mi14:19:393:26:539:0013:05
10:27
+0:59
24M
24.00 mi14:28:423:35:569:009:03
9:03
-1:24
40K
24.85 mi14:36:513:44:059:018:09
9:32
+0:29
25.2M
25.20 mi14:40:453:47:599:033:54
11:19
+1:47
Finish
26.22 mi14:51:143:58:289:0610:29
10:17
-1:02

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

7:45 /mi

Average Pace

9:06 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:03

44% of race

Time at Steady Pace

47:02

20% of race

Time at Slower Pace

1:27:23

37% of race

Average Pace: 9:06 /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 mi11:17:2524:397:5624:39
7:56
#13557
10K
6.21 mi11:41:3148:457:5124:06
7:45
#13163
15K
9.32 mi12:05:511:13:057:5024:20
7:50
#13055
20K
12.43 mi12:31:101:38:247:5525:19
8:09
#13462
Half
13.11 mi12:36:491:44:037:565:39
8:17
#13620
25K
15.53 mi12:59:342:06:488:1022:45
9:23
#15087
30K
18.64 mi13:33:472:41:018:3834:13
11:01
#17593
20M
20.00 mi13:47:502:55:048:4514:03
10:20
#18060
21M
21.00 mi13:59:293:06:438:5311:39
11:39
#18499
35K
21.75 mi14:06:343:13:488:557:05
9:28
#18550
23M
23.00 mi14:19:393:26:539:0013:05
10:27
#18804
24M
24.00 mi14:28:423:35:569:009:03
9:03
#18737
40K
24.85 mi14:36:513:44:059:018:09
9:32
#18738
25.2M
25.20 mi14:40:453:47:599:033:54
11:19
#18804
Finish
26.22 mi14:51:143:58:289:0610:29
10:17
#19033
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi135573759375913010(Top 49%)3488(Top 31%)3488(Top 192%)
10K6.21 mi3.10 mi13163+3943547+2123547+21212768(Top 48%)3301(Top 29%)3301(Top 182%)
15K9.32 mi3.11 mi13055+1083495+523495+5213010(Top 49%)3488(Top 31%)3488(Top 192%)
20K12.43 mi3.11 mi13462-4073760-2653760-26514608(Top 55%)4472(Top 39%)4472(Top 246%)
Half13.11 mi0.68 mi13620-1583859-993859-9916452(Top 62%)5584(Top 49%)5584(Top 307%)
25K15.53 mi2.42 mi15087-14674764-9054764-90520459(Top 77%)7961(Top 70%)7961(Top 438%)
30K18.64 mi3.11 mi17593-25066317-15536317-155323108(Top 87%)9517(Top 83%)9517(Top 524%)
20M20.00 mi1.36 mi18060-4676625-3086625-30821369(Top 80%)8619(Top 75%)8619(Top 474%)
21M21.00 mi1.00 mi18499-4396877-2526877-25222156(Top 83%)9083(Top 80%)9083(Top 500%)
35K21.75 mi0.75 mi18550-516908-316908-3119755(Top 74%)7783(Top 68%)7783(Top 428%)
23M23.00 mi1.25 mi18804-2547075-1677075-16721195(Top 80%)8622(Top 75%)8622(Top 475%)
24M24.00 mi1.00 mi18737+677051+247051+2417483(Top 66%)6631(Top 58%)6631(Top 365%)
40K24.85 mi0.85 mi18738-17061-107061-1018457(Top 69%)7189(Top 63%)7189(Top 396%)
25.2M25.20 mi0.35 mi18804-667109-487109-4821147(Top 79%)8669(Top 76%)8669(Top 477%)
Finish26.22 mi1.02 mi19033-2297231-1227231-12222524(Top 85%)9399(Top 82%)9399(Top 517%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13010

Females

3488

F45-49

3488

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12768

Females

3301

F45-49

3301

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13010

Females

3488

F45-49

3488

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14608

Females

4472

F45-49

4472

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16452

Females

5584

F45-49

5584

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20459

Females

7961

F45-49

7961

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23108

Females

9517

F45-49

9517

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21369

Females

8619

F45-49

8619

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22156

Females

9083

F45-49

9083

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19755

Females

7783

F45-49

7783

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21195

Females

8622

F45-49

8622

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17483

Females

6631

F45-49

6631

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18457

Females

7189

F45-49

7189

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21147

Females

8669

F45-49

8669

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22524

Females

9399

F45-49

9399

Passing Analysis

Category:
Athletes Passed
1163
Passed By
6639
Net Change
-5476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13557
5K → 10K547153+394#13557#13163
10K → 15K266158+108#13163#13055
15K → 20K82489-407#13055#13462
20K → Half6164-158#13462#13620
Half → 25K121479-1467#13620#15087
25K → 30K72513-2506#15087#17593
30K → 20M13480-467#17593#18060
20M → 21M16455-439#18060#18499
21M → 35K3283-51#18499#18550
35K → 23M27281-254#18550#18804
23M → 24M9023+67#18804#18737
24M → 40K4647-1#18737#18738
40K → 25.2M1278-66#18738#18804
25.2M → Finish7236-229#18804#19033
TOTALS11636639-5476
📊

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