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BOSTON MARATHON 2023

Helen Molloy

Bib: 22919•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F50-54)
#0 / 1207
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:54
Rank: #16404
Start → 5K
8:20/mi
25:54 split
10K· 6.21 mi
51:56
Rank: #16910 (-506)
5K → 10K
8:23/mi
26:02 split
15K· 9.32 mi
1:18:02
Rank: #17005 (-95)
10K → 15K
8:24/mi
26:06 split
20K· 12.43 mi
1:44:24
Rank: #16955 (+50)
15K → 20K
8:29/mi
26:22 split
Half· 13.11 mi
1:50:02
Rank: #16904 (+51)
20K → Half
8:15/mi
5:38 split
25K· 15.53 mi
2:10:44
Rank: #16833 (+71)
Half → 25K
8:32/mi
20:42 split
30K· 18.64 mi
2:38:44
Rank: #16859 (-26)
25K → 30K
9:01/mi
28:00 split
20M
2:51:12
Rank: #16901 (-42)
30K → 20M
9:10/mi
12:28 split
21M
3:01:09
Rank: #16954 (-53)
20M → 21M
9:57/mi
9:57 split
35K· 21.75 mi
3:07:41
Rank: #16940 (+14)
21M → 35K
8:44/mi
6:32 split
23M
3:18:51
Rank: #16848 (+92)
35K → 23M
8:55/mi
11:10 split
24M
3:27:27
Rank: #16774 (+74)
23M → 24M
8:36/mi
8:36 split
40K· 24.85 mi
3:34:48
Rank: #16665 (+109)
24M → 40K
8:36/mi
7:21 split
25.2M
3:38:06
Rank: #16629 (+36)
40K → 25.2M
9:34/mi
3:18 split
Finish· 26.22 mi
3:46:48
Rank: #16572 (+57)
25.2M → Finish
8:32/mi
8:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:02
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5425:548:2025:54
8:20
-
10K
6.21 mi11:45:5651:568:2126:02
8:23
+0:03
15K
9.32 mi12:12:021:18:028:2226:06
8:24
+0:01
20K
12.43 mi12:38:241:44:248:2426:22
8:29
+0:05
Half
13.11 mi12:44:021:50:028:245:38
8:15
-0:14
25K
15.53 mi13:04:442:10:448:2520:42
8:32
+0:17
30K
18.64 mi13:32:442:38:448:3128:00
9:01
+0:29
20M
20.00 mi13:45:122:51:128:3412:28
9:10
+0:09
21M
21.00 mi13:55:093:01:098:389:57
9:57
+0:47
35K
21.75 mi14:01:413:07:418:386:32
8:44
-1:13
23M
23.00 mi14:12:513:18:518:3911:10
8:55
+0:11
24M
24.00 mi14:21:273:27:278:398:36
8:36
-0:19
40K
24.85 mi14:28:483:34:488:397:21
8:36
0:00
25.2M
25.20 mi14:32:063:38:068:393:18
9:34
+0:58
Finish
26.22 mi14:40:483:46:488:398:42
8:32
-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

8:15 /mi

Average Pace

8:39 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:32

14% of race

Time at Steady Pace

2:10:23

57% of race

Time at Slower Pace

1:04:53

29% of race

Average Pace: 8:39 /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 mi11:19:5425:548:2025:54
8:20
#16404
10K
6.21 mi11:45:5651:568:2126:02
8:23
#16910
15K
9.32 mi12:12:021:18:028:2226:06
8:24
#17005
20K
12.43 mi12:38:241:44:248:2426:22
8:29
#16955
Half
13.11 mi12:44:021:50:028:245:38
8:15
#16904
25K
15.53 mi13:04:442:10:448:2520:42
8:32
#16833
30K
18.64 mi13:32:442:38:448:3128:00
9:01
#16859
20M
20.00 mi13:45:122:51:128:3412:28
9:10
#16901
21M
21.00 mi13:55:093:01:098:389:57
9:57
#16954
35K
21.75 mi14:01:413:07:418:386:32
8:44
#16940
23M
23.00 mi14:12:513:18:518:3911:10
8:55
#16848
24M
24.00 mi14:21:273:27:278:398:36
8:36
#16774
40K
24.85 mi14:28:483:34:488:397:21
8:36
#16665
25.2M
25.20 mi14:32:063:38:068:393:18
9:34
#16629
Finish
26.22 mi14:40:483:46:488:398:42
8:32
#16572
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi164045539553917160(Top 64%)6023(Top 53%)6023(Top 499%)
10K6.21 mi3.10 mi16910-5065853-3145853-31417461(Top 66%)6159(Top 54%)6159(Top 510%)
15K9.32 mi3.11 mi17005-955909-565909-5617160(Top 64%)6023(Top 53%)6023(Top 499%)
20K12.43 mi3.11 mi16955+505902+75902+716775(Top 63%)5801(Top 51%)5801(Top 481%)
Half13.11 mi0.68 mi16904+515870+325870+3216266(Top 61%)5467(Top 48%)5467(Top 453%)
25K15.53 mi2.42 mi16833+715853+175853+1716432(Top 62%)5687(Top 50%)5687(Top 471%)
30K18.64 mi3.11 mi16859-265874-215874-2117244(Top 65%)6208(Top 54%)6208(Top 514%)
20M20.00 mi1.36 mi16901-425914-405914-4017430(Top 65%)6409(Top 56%)6409(Top 531%)
21M21.00 mi1.00 mi16954-535959-455959-4517869(Top 67%)6677(Top 58%)6677(Top 553%)
35K21.75 mi0.75 mi16940+145952+75952+716609(Top 62%)6049(Top 53%)6049(Top 501%)
23M23.00 mi1.25 mi16848+925930+225930+2215652(Top 59%)5550(Top 49%)5550(Top 460%)
24M24.00 mi1.00 mi16774+745909+215909+2115089(Top 57%)5284(Top 46%)5284(Top 438%)
40K24.85 mi0.85 mi16665+1095862+475862+4713982(Top 53%)4745(Top 42%)4745(Top 393%)
25.2M25.20 mi0.35 mi16629+365849+135849+1315568(Top 58%)5629(Top 49%)5629(Top 466%)
Finish26.22 mi1.02 mi16572+575823+265823+2615662(Top 59%)5630(Top 49%)5630(Top 466%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17160

Females

6023

F50-54

6023

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17461

Females

6159

F50-54

6159

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17160

Females

6023

F50-54

6023

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16775

Females

5801

F50-54

5801

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16266

Females

5467

F50-54

5467

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16432

Females

5687

F50-54

5687

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17244

Females

6208

F50-54

6208

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17430

Females

6409

F50-54

6409

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17869

Females

6677

F50-54

6677

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16609

Females

6049

F50-54

6049

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15652

Females

5550

F50-54

5550

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15089

Females

5284

F50-54

5284

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13982

Females

4745

F50-54

4745

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15568

Females

5629

F50-54

5629

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15662

Females

5630

F50-54

5630

Passing Analysis

Category:
Athletes Passed
1525
Passed By
1693
Net Change
-168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16404
5K → 10K124630-506#16404#16910
10K → 15K161256-95#16910#17005
15K → 20K200150+50#17005#16955
20K → Half6211+51#16955#16904
Half → 25K15685+71#16904#16833
25K → 30K157183-26#16833#16859
30K → 20M67109-42#16859#16901
20M → 21M58111-53#16901#16954
21M → 35K4935+14#16954#16940
35K → 23M13139+92#16940#16848
23M → 24M10733+74#16848#16774
24M → 40K12112+109#16774#16665
40K → 25.2M4913+36#16665#16629
25.2M → Finish8326+57#16629#16572
TOTALS15251693-168
📊

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