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BOSTON MARATHON 2023

Leslie O'Neil

Bib: 31179•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:46
Rank: #24014
Start → 5K
31:46 | 10:13/mi
10K· 6.21 mi
1:07:25
Rank: #25356 (-1342)
5K → 10K
35:39 | 11:28/mi
15K· 9.32 mi
1:45:45
Rank: #25843 (-487)
10K → 15K
38:20 | 12:20/mi
20K· 12.43 mi
2:19:48
Rank: #25526 (+317)
15K → 20K
34:03 | 10:58/mi
Half· 13.11 mi
2:27:37
Rank: #25530 (-4)
20K → Half
7:49 | 11:27/mi
25K· 15.53 mi
2:57:05
Rank: #25498 (+32)
Half → 25K
29:28 | 12:09/mi
30K· 18.64 mi
3:38:44
Rank: #25577 (-79)
25K → 30K
41:39 | 13:24/mi
20M
3:58:19
Rank: #25637 (-60)
30K → 20M
19:35 | 14:25/mi
21M
4:16:28
Rank: #25766 (-129)
20M → 21M
18:09 | 18:09/mi
35K· 21.75 mi
4:26:41
Rank: #25786 (-20)
21M → 35K
10:13 | 13:39/mi
23M
4:42:32
Rank: #25753 (+33)
35K → 23M
15:51 | 12:40/mi
24M
4:52:22
Rank: #25636 (+117)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
5:01:21
Rank: #25547 (+89)
24M → 40K
8:59 | 10:30/mi
25.2M
5:06:06
Rank: #25535 (+12)
40K → 25.2M
4:45 | 13:46/mi
Finish· 26.22 mi
5:16:18
Rank: #25470 (+65)
25.2M → Finish
10:12 | 10:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:37
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time2:48:41
Pace12:52 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2331:4610:1331:46
10:13
-
10K
6.21 mi12:30:021:07:2510:5135:39
11:28
+1:15
15K
9.32 mi13:08:221:45:4511:2138:20
12:20
+0:52
20K
12.43 mi13:42:252:19:4811:1534:03
10:58
-1:22
Half
13.11 mi13:50:142:27:3711:167:49
11:27
+0:29
25K
15.53 mi14:19:422:57:0511:2429:28
12:09
+0:42
30K
18.64 mi15:01:213:38:4411:4441:39
13:24
+1:15
20M
20.00 mi15:20:563:58:1911:5519:35
14:25
+1:01
21M
21.00 mi15:39:054:16:2812:1318:09
18:09
+3:44
35K
21.75 mi15:49:184:26:4112:1610:13
13:39
-4:30
23M
23.00 mi16:05:094:42:3212:1715:51
12:40
-0:59
24M
24.00 mi16:14:594:52:2212:119:50
9:50
-2:50
40K
24.85 mi16:23:585:01:2112:078:59
10:30
+0:40
25.2M
25.20 mi16:28:435:06:0612:094:45
13:46
+3:16
Finish
26.22 mi16:38:555:16:1812:0410:12
10:01
-3:45

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

9:50 /mi

Average Pace

12:04 /mi

Slowest Pace

18:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:50

30% of race

Time at Steady Pace

2:07:07

40% of race

Time at Slower Pace

1:34:21

30% of race

Average Pace: 12:04 /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 mi11:54:2331:4610:1331:46
10:13
#24014
10K
6.21 mi12:30:021:07:2510:5135:39
11:28
#25356
15K
9.32 mi13:08:221:45:4511:2138:20
12:20
#25843
20K
12.43 mi13:42:252:19:4811:1534:03
10:58
#25526
Half
13.11 mi13:50:142:27:3711:167:49
11:27
#25530
25K
15.53 mi14:19:422:57:0511:2429:28
12:09
#25498
30K
18.64 mi15:01:213:38:4411:4441:39
13:24
#25577
20M
20.00 mi15:20:563:58:1911:5519:35
14:25
#25637
21M
21.00 mi15:39:054:16:2812:1318:09
18:09
#25766
35K
21.75 mi15:49:184:26:4112:1610:13
13:39
#25786
23M
23.00 mi16:05:094:42:3212:1715:51
12:40
#25753
24M
24.00 mi16:14:594:52:2212:119:50
9:50
#25636
40K
24.85 mi16:23:585:01:2112:078:59
10:30
#25547
25.2M
25.20 mi16:28:435:06:0612:094:45
13:46
#25535
Finish
26.22 mi16:38:555:16:1812:0410:12
10:01
#25470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240149898989826247(Top 99%)11199(Top 98%)11199(Top 229%)
10K6.21 mi3.10 mi25356-134210635-73710635-73725938(Top 97%)10999(Top 96%)10999(Top 225%)
15K9.32 mi3.11 mi25843-48710939-30410939-30426247(Top 99%)11199(Top 98%)11199(Top 229%)
20K12.43 mi3.11 mi25526+31710762+17710762+17724586(Top 92%)10251(Top 90%)10251(Top 210%)
Half13.11 mi0.68 mi25530-410768-610768-625457(Top 96%)10763(Top 94%)10763(Top 220%)
25K15.53 mi2.42 mi25498+3210763+510763+525281(Top 95%)10675(Top 93%)10675(Top 219%)
30K18.64 mi3.11 mi25577-7910815-5210815-5225703(Top 97%)10949(Top 96%)10949(Top 224%)
20M20.00 mi1.36 mi25637-6010851-3610851-3626059(Top 98%)11159(Top 98%)11159(Top 228%)
21M21.00 mi1.00 mi25766-12910928-7710928-7726559(Top 100%)11392(Top 100%)11392(Top 233%)
35K21.75 mi0.75 mi25786-2010942-1410942-1425995(Top 98%)11130(Top 97%)11130(Top 228%)
23M23.00 mi1.25 mi25753+3310926+1610926+1624759(Top 93%)10515(Top 92%)10515(Top 215%)
24M24.00 mi1.00 mi25636+11710867+5910867+5920351(Top 76%)8187(Top 72%)8187(Top 168%)
40K24.85 mi0.85 mi25547+8910828+3910828+3921252(Top 80%)8755(Top 77%)8755(Top 179%)
25.2M25.20 mi0.35 mi25535+1210825+310825+324823(Top 93%)10603(Top 93%)10603(Top 217%)
Finish26.22 mi1.02 mi25470+6510792+3310792+3321806(Top 82%)9019(Top 79%)9019(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26247

Females

11199

F18-39

11199

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25938

Females

10999

F18-39

10999

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26247

Females

11199

F18-39

11199

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24586

Females

10251

F18-39

10251

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25457

Females

10763

F18-39

10763

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25281

Females

10675

F18-39

10675

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25703

Females

10949

F18-39

10949

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26059

Females

11159

F18-39

11159

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26559

Females

11392

F18-39

11392

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

25995

Females

11130

F18-39

11130

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24759

Females

10515

F18-39

10515

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20351

Females

8187

F18-39

8187

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21252

Females

8755

F18-39

8755

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24823

Females

10603

F18-39

10603

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21806

Females

9019

F18-39

9019

Passing Analysis

Category:
Athletes Passed
801
Passed By
2257
Net Change
-1456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24014
5K → 10K41346-1342#24014#25356
10K → 15K11498-487#25356#25843
15K → 20K3170+317#25843#25526
20K → Half1923-4#25526#25530
Half → 25K7543+32#25530#25498
25K → 30K36115-79#25498#25577
30K → 20M1373-60#25577#25637
20M → 21M0129-129#25637#25766
21M → 35K727-20#25766#25786
35K → 23M341+33#25786#25753
23M → 24M1170+117#25753#25636
24M → 40K890+89#25636#25547
40K → 25.2M142+12#25547#25535
25.2M → Finish650+65#25535#25470
TOTALS8012257-1456
📊

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