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BOSTON MARATHON 2023

Leah Mahoney

Bib: 25823•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9913
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
45:29
Rank: #8585 (+1328)
5K → 10K
22:05 | 7:06/mi
15K· 9.32 mi
1:07:18
Rank: #7911 (+674)
10K → 15K
21:49 | 7:01/mi
20K· 12.43 mi
1:29:39
Rank: #7651 (+260)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:34:31
Rank: #7614 (+37)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:52:29
Rank: #7666 (-52)
Half → 25K
17:58 | 7:25/mi
30K· 18.64 mi
2:16:46
Rank: #7911 (-245)
25K → 30K
24:17 | 7:49/mi
20M
2:27:27
Rank: #7954 (-43)
30K → 20M
10:41 | 7:52/mi
21M
2:36:17
Rank: #8221 (-267)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:42:16
Rank: #8346 (-125)
21M → 35K
5:59 | 8:00/mi
23M
2:52:59
Rank: #8631 (-285)
35K → 23M
10:43 | 8:34/mi
24M
3:01:22
Rank: #8837 (-206)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:08:20
Rank: #8907 (-70)
24M → 40K
6:58 | 8:09/mi
25.2M
3:11:38
Rank: #9017 (-110)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:20:26
Rank: #9319 (-302)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:3023:247:3223:24
7:32
-
10K
6.21 mi12:00:3545:297:1922:05
7:06
-0:26
15K
9.32 mi12:22:241:07:187:1321:49
7:01
-0:05
20K
12.43 mi12:44:451:29:397:1322:21
7:12
+0:11
Half
13.11 mi12:49:371:34:317:134:52
7:08
-0:04
25K
15.53 mi13:07:351:52:297:1417:58
7:25
+0:17
30K
18.64 mi13:31:522:16:467:2024:17
7:49
+0:24
20M
20.00 mi13:42:332:27:277:2210:41
7:52
+0:03
21M
21.00 mi13:51:232:36:177:278:50
8:50
+0:58
35K
21.75 mi13:57:222:42:167:285:59
8:00
-0:50
23M
23.00 mi14:08:052:52:597:3110:43
8:34
+0:34
24M
24.00 mi14:16:283:01:227:338:23
8:23
-0:11
40K
24.85 mi14:23:263:08:207:356:58
8:09
-0:14
25.2M
25.20 mi14:26:443:11:387:363:18
9:34
+1:25
Finish
26.22 mi14:35:323:20:267:398:48
8:38
-0:56

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

7:01 /mi

Average Pace

7:39 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:05

44% of race

Time at Steady Pace

1:11:19

36% of race

Time at Slower Pace

40:02

20% of race

Average Pace: 7:39 /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 mi11:38:3023:247:3223:24
7:32
#9913
10K
6.21 mi12:00:3545:297:1922:05
7:06
#8585
15K
9.32 mi12:22:241:07:187:1321:49
7:01
#7911
20K
12.43 mi12:44:451:29:397:1322:21
7:12
#7651
Half
13.11 mi12:49:371:34:317:134:52
7:08
#7614
25K
15.53 mi13:07:351:52:297:1417:58
7:25
#7666
30K
18.64 mi13:31:522:16:467:2024:17
7:49
#7911
20M
20.00 mi13:42:332:27:277:2210:41
7:52
#7954
21M
21.00 mi13:51:232:36:177:278:50
8:50
#8221
35K
21.75 mi13:57:222:42:167:285:59
8:00
#8346
23M
23.00 mi14:08:052:52:597:3110:43
8:34
#8631
24M
24.00 mi14:16:283:01:227:338:23
8:23
#8837
40K
24.85 mi14:23:263:08:207:356:58
8:09
#8907
25.2M
25.20 mi14:26:443:11:387:363:18
9:34
#9017
Finish
26.22 mi14:35:323:20:267:398:48
8:38
#9319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9913181518156722(Top 25%)688(Top 6%)688(Top 14%)
10K6.21 mi3.10 mi8585+13281253+5621253+5627510(Top 28%)894(Top 8%)894(Top 18%)
15K9.32 mi3.11 mi7911+6741002+2511002+2516722(Top 25%)688(Top 6%)688(Top 14%)
20K12.43 mi3.11 mi7651+260933+69933+697075(Top 27%)805(Top 7%)805(Top 16%)
Half13.11 mi0.68 mi7614+37924+9924+97472(Top 28%)929(Top 8%)929(Top 19%)
25K15.53 mi2.42 mi7666-52953-29953-298130(Top 31%)1236(Top 11%)1236(Top 25%)
30K18.64 mi3.11 mi7911-2451083-1301083-1309494(Top 36%)1925(Top 17%)1925(Top 39%)
20M20.00 mi1.36 mi7954-431114-311114-319324(Top 35%)1943(Top 17%)1943(Top 40%)
21M21.00 mi1.00 mi8221-2671237-1231237-12312450(Top 47%)3649(Top 32%)3649(Top 75%)
35K21.75 mi0.75 mi8346-1251291-541291-5412114(Top 46%)3477(Top 30%)3477(Top 71%)
23M23.00 mi1.25 mi8631-2851422-1311422-13113580(Top 51%)4375(Top 38%)4375(Top 90%)
24M24.00 mi1.00 mi8837-2061535-1131535-11313766(Top 52%)4524(Top 40%)4524(Top 93%)
40K24.85 mi0.85 mi8907-701582-471582-4711028(Top 41%)3153(Top 28%)3153(Top 65%)
25.2M25.20 mi0.35 mi9017-1101624-421624-4215500(Top 58%)5561(Top 49%)5561(Top 114%)
Finish26.22 mi1.02 mi9319-3021788-1641788-16416161(Top 61%)5903(Top 52%)5903(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6722

Females

688

F18-39

688

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7510

Females

894

F18-39

894

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6722

Females

688

F18-39

688

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7075

Females

805

F18-39

805

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7472

Females

929

F18-39

929

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8130

Females

1236

F18-39

1236

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9494

Females

1925

F18-39

1925

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9324

Females

1943

F18-39

1943

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12450

Females

3649

F18-39

3649

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12114

Females

3477

F18-39

3477

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13580

Females

4375

F18-39

4375

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13766

Females

4524

F18-39

4524

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11028

Females

3153

F18-39

3153

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15500

Females

5561

F18-39

5561

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16161

Females

5903

F18-39

5903

Passing Analysis

Category:
Athletes Passed
2683
Passed By
2089
Net Change
+594
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9913
5K → 10K134618+1328#9913#8585
10K → 15K6795+674#8585#7911
15K → 20K28020+260#7911#7651
20K → Half447+37#7651#7614
Half → 25K71123-52#7614#7666
25K → 30K64309-245#7666#7911
30K → 20M59102-43#7911#7954
20M → 21M19286-267#7954#8221
21M → 35K17142-125#8221#8346
35K → 23M29314-285#8346#8631
23M → 24M25231-206#8631#8837
24M → 40K36106-70#8837#8907
40K → 25.2M5115-110#8907#9017
25.2M → Finish9311-302#9017#9319
TOTALS26832089+594
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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