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BOSTON MARATHON 2023

Deborah Leahy

NY

Bib: 17139 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:23/mi
26:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:23/mi
52:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:26/mi
1:18:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:38/mi
1:48:16
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:33/mi
1:54:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:40/mi
2:15:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:49/mi
2:42:31
↑ 181↓ 1480.2%
138 ft elev
20M
8:50/mi
2:54:31
↑ 64↓ 500.2%
148 ft elev
21M
9:09/mi
3:03:40
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:00/mi
3:09:39
↑ 17↓ 861.7%
156 ft elev
23M
8:37/mi
3:20:26
↑ 23↓ 630.6%
116 ft elev
24M
8:37/mi
3:29:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:54/mi
3:36:40
↓ 200.3%
20 ft elev
25.2M
9:49/mi
3:40:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:41/mi
3:48:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:54:06
Pace8:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4326:048:2326:04
8:23
-
10K
6.21 mi11:42:4752:088:2326:04
8:23
0:00
15K
9.32 mi12:08:591:18:208:2426:12
8:26
+0:03
20K
12.43 mi12:38:551:48:168:4329:56
9:38
+1:12
Half
13.11 mi12:44:451:54:068:425:50
8:33
-1:05
25K
15.53 mi13:05:452:15:068:4221:00
8:40
+0:07
30K
18.64 mi13:33:102:42:318:4327:25
8:49
+0:09
20M
20.00 mi13:45:102:54:318:4412:00
8:50
+0:01
21M
21.00 mi13:54:193:03:408:459:09
9:09
+0:19
35K
21.75 mi14:00:183:09:398:435:59
8:00
-1:09
23M
23.00 mi14:11:053:20:268:4310:47
8:37
+0:37
24M
24.00 mi14:19:423:29:038:438:37
8:37
0:00
40K
24.85 mi14:27:193:36:408:437:37
8:54
+0:17
25.2M
25.20 mi14:30:423:40:038:443:23
9:49
+0:55
Finish
26.22 mi14:39:333:48:548:448:51
8:41
-1:08

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

8:00 /mi

Average Pace

8:44 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:19

37% of race

Time at Steady Pace

1:34:30

41% of race

Time at Slower Pace

50:05

22% of race

Average Pace: 8:44 /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 mi11:16:4326:048:2326:04
8:23
#16817
10K
6.21 mi11:42:4752:088:2326:04
8:23
#17150
15K
9.32 mi12:08:591:18:208:2426:12
8:26
#17225
20K
12.43 mi12:38:551:48:168:4329:56
9:38
#18854
Half
13.11 mi12:44:451:54:068:425:50
8:33
#18810
25K
15.53 mi13:05:452:15:068:4221:00
8:40
#18552
30K
18.64 mi13:33:102:42:318:4327:25
8:49
#18097
20M
20.00 mi13:45:102:54:318:4412:00
8:50
#17884
21M
21.00 mi13:54:193:03:408:459:09
9:09
#17674
35K
21.75 mi14:00:183:09:398:435:59
8:00
#17469
23M
23.00 mi14:11:053:20:268:4310:47
8:37
#17257
24M
24.00 mi14:19:423:29:038:438:37
8:37
#17145
40K
24.85 mi14:27:193:36:408:437:37
8:54
#17098
25.2M
25.20 mi14:30:423:40:038:443:23
9:49
#17099
Finish
26.22 mi14:39:333:48:548:448:51
8:41
#17087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi168175807580717366(Top 65%)6138(Top 54%)6138(Top 126%)
10K6.21 mi3.10 mi17150-3336022-2156022-21517532(Top 66%)6200(Top 54%)6200(Top 127%)
15K9.32 mi3.11 mi17225-756047-256047-2517366(Top 65%)6138(Top 54%)6138(Top 126%)
20K12.43 mi3.11 mi18854-16297029-9827029-98221957(Top 82%)8775(Top 77%)8775(Top 180%)
Half13.11 mi0.68 mi18810+447010+197010+1918019(Top 68%)6483(Top 57%)6483(Top 133%)
25K15.53 mi2.42 mi18552+2586861+1496861+14917177(Top 65%)6105(Top 53%)6105(Top 125%)
30K18.64 mi3.11 mi18097+4556625+2366625+23616226(Top 61%)5631(Top 49%)5631(Top 115%)
20M20.00 mi1.36 mi17884+2136514+1116514+11115636(Top 59%)5358(Top 47%)5358(Top 110%)
21M21.00 mi1.00 mi17674+2106395+1196395+11914257(Top 54%)4634(Top 41%)4634(Top 95%)
35K21.75 mi0.75 mi17469+2056284+1116284+11112202(Top 46%)3565(Top 31%)3565(Top 73%)
23M23.00 mi1.25 mi17257+2126175+1096175+10913903(Top 52%)4566(Top 40%)4566(Top 93%)
24M24.00 mi1.00 mi17145+1126124+516124+5115201(Top 57%)5352(Top 47%)5352(Top 110%)
40K24.85 mi0.85 mi17098+476115+96115+915688(Top 59%)5680(Top 50%)5680(Top 116%)
25.2M25.20 mi0.35 mi17099-16121-66121-616638(Top 62%)6227(Top 55%)6227(Top 127%)
Finish26.22 mi1.02 mi17087+126123-26123-216421(Top 62%)6058(Top 53%)6058(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17366

Females

6138

F18-39

6138

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17532

Females

6200

F18-39

6200

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17366

Females

6138

F18-39

6138

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21957

Females

8775

F18-39

8775

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18019

Females

6483

F18-39

6483

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17177

Females

6105

F18-39

6105

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16226

Females

5631

F18-39

5631

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15636

Females

5358

F18-39

5358

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14257

Females

4634

F18-39

4634

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12202

Females

3565

F18-39

3565

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13903

Females

4566

F18-39

4566

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15201

Females

5352

F18-39

5352

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15688

Females

5680

F18-39

5680

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16638

Females

6227

F18-39

6227

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16421

Females

6058

F18-39

6058

Passing Analysis

Category:
Athletes Passed
2325
Passed By
2595
Net Change
-270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16817
5K → 10K175508-333#16817#17150
10K → 15K159234-75#17150#17225
15K → 20K121641-1629#17225#18854
20K → Half517+44#18854#18810
Half → 25K28022+258#18810#18552
25K → 30K47722+455#18552#18097
30K → 20M22310+213#18097#17884
20M → 21M2166+210#17884#17674
21M → 35K2094+205#17674#17469
35K → 23M2208+212#17469#17257
23M → 24M12311+112#17257#17145
24M → 40K7932+47#17145#17098
40K → 25.2M2526-1#17098#17099
25.2M → Finish7664+12#17099#17087
TOTALS23252595-270
📊

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