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BOSTON MARATHON 2023

Anna O'Neill

Bib: 25544•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
28:45
Rank: #21397
Start → 5K
28:45 | 9:15/mi
10K· 6.21 mi
57:49
Rank: #21745 (-348)
5K → 10K
29:04 | 9:21/mi
15K· 9.32 mi
1:26:42
Rank: #21697 (+48)
10K → 15K
28:53 | 9:18/mi
20K· 12.43 mi
1:57:16
Rank: #21912 (-215)
15K → 20K
30:34 | 9:50/mi
Half· 13.11 mi
2:03:54
Rank: #21943 (-31)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:29:26
Rank: #22253 (-310)
Half → 25K
25:32 | 10:32/mi
30K· 18.64 mi
3:05:18
Rank: #22670 (-417)
25K → 30K
35:52 | 11:33/mi
20M
3:21:44
Rank: #22820 (-150)
30K → 20M
16:26 | 12:06/mi
21M
3:35:25
Rank: #23004 (-184)
20M → 21M
13:41 | 13:41/mi
35K· 21.75 mi
3:43:53
Rank: #23046 (-42)
21M → 35K
8:28 | 11:19/mi
23M
3:58:39
Rank: #23085 (-39)
35K → 23M
14:46 | 11:48/mi
24M
4:10:33
Rank: #23166 (-81)
23M → 24M
11:54 | 11:54/mi
40K· 24.85 mi
4:21:45
Rank: #23290 (-124)
24M → 40K
11:12 | 13:06/mi
25.2M
4:26:54
Rank: #23352 (-62)
40K → 25.2M
5:09 | 14:56/mi
Finish· 26.22 mi
4:39:14
Rank: #23474 (-122)
25.2M → Finish
12:20 | 12:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:54
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:35:20
Pace11:51 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0528:459:1528:45
9:15
-
10K
6.21 mi12:22:0957:499:1829:04
9:21
+0:06
15K
9.32 mi12:51:021:26:429:1828:53
9:18
-0:03
20K
12.43 mi13:21:361:57:169:2630:34
9:50
+0:32
Half
13.11 mi13:28:142:03:549:276:38
9:43
-0:07
25K
15.53 mi13:53:462:29:269:3725:32
10:32
+0:49
30K
18.64 mi14:29:383:05:189:5635:52
11:33
+1:01
20M
20.00 mi14:46:043:21:4410:0516:26
12:06
+0:33
21M
21.00 mi14:59:453:35:2510:1513:41
13:41
+1:35
35K
21.75 mi15:08:133:43:5310:188:28
11:19
-2:22
23M
23.00 mi15:22:593:58:3910:2314:46
11:48
+0:29
24M
24.00 mi15:34:534:10:3310:2611:54
11:54
+0:06
40K
24.85 mi15:46:054:21:4510:3211:12
13:06
+1:12
25.2M
25.20 mi15:51:144:26:5410:355:09
14:56
+1:50
Finish
26.22 mi16:03:344:39:1410:3912:20
12:06
-2:50

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

9:15 /mi

Average Pace

10:39 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:26

54% of race

Time at Steady Pace

1:39:46

36% of race

Time at Slower Pace

30:02

11% of race

Average Pace: 10:39 /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 mi11:53:0528:459:1528:45
9:15
#21397
10K
6.21 mi12:22:0957:499:1829:04
9:21
#21745
15K
9.32 mi12:51:021:26:429:1828:53
9:18
#21697
20K
12.43 mi13:21:361:57:169:2630:34
9:50
#21912
Half
13.11 mi13:28:142:03:549:276:38
9:43
#21943
25K
15.53 mi13:53:462:29:269:3725:32
10:32
#22253
30K
18.64 mi14:29:383:05:189:5635:52
11:33
#22670
20M
20.00 mi14:46:043:21:4410:0516:26
12:06
#22820
21M
21.00 mi14:59:453:35:2510:1513:41
13:41
#23004
35K
21.75 mi15:08:133:43:5310:188:28
11:19
#23046
23M
23.00 mi15:22:593:58:3910:2314:46
11:48
#23085
24M
24.00 mi15:34:534:10:3310:2611:54
11:54
#23166
40K
24.85 mi15:46:054:21:4510:3211:12
13:06
#23290
25.2M
25.20 mi15:51:144:26:5410:355:09
14:56
#23352
Finish
26.22 mi16:03:344:39:1410:3912:20
12:06
#23474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213978578857821631(Top 81%)8576(Top 75%)8576(Top 176%)
10K6.21 mi3.10 mi21745-3488716-1388716-13822097(Top 83%)8873(Top 78%)8873(Top 182%)
15K9.32 mi3.11 mi21697+488677+398677+3921631(Top 81%)8576(Top 75%)8576(Top 176%)
20K12.43 mi3.11 mi21912-2158783-1068783-10622501(Top 85%)9085(Top 80%)9085(Top 186%)
Half13.11 mi0.68 mi21943-318799-168799-1622731(Top 85%)9207(Top 81%)9207(Top 189%)
25K15.53 mi2.42 mi22253-3108975-1768975-17623250(Top 87%)9523(Top 83%)9523(Top 195%)
30K18.64 mi3.11 mi22670-4179218-2439218-24323923(Top 90%)9974(Top 87%)9974(Top 204%)
20M20.00 mi1.36 mi22820-1509301-839301-8324319(Top 91%)10245(Top 90%)10245(Top 210%)
21M21.00 mi1.00 mi23004-1849409-1089409-10824756(Top 93%)10479(Top 92%)10479(Top 215%)
35K21.75 mi0.75 mi23046-429436-279436-2723842(Top 90%)10052(Top 88%)10052(Top 206%)
23M23.00 mi1.25 mi23085-399469-339469-3323703(Top 89%)9957(Top 87%)9957(Top 204%)
24M24.00 mi1.00 mi23166-819516-479516-4724399(Top 92%)10376(Top 91%)10376(Top 212%)
40K24.85 mi0.85 mi23290-1249587-719587-7125018(Top 94%)10686(Top 94%)10686(Top 219%)
25.2M25.20 mi0.35 mi23352-629631-449631-4425672(Top 96%)11012(Top 96%)11012(Top 225%)
Finish26.22 mi1.02 mi23474-1229696-659696-6525324(Top 95%)10831(Top 95%)10831(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21631

Females

8576

F18-39

8576

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22097

Females

8873

F18-39

8873

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21631

Females

8576

F18-39

8576

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22501

Females

9085

F18-39

9085

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22731

Females

9207

F18-39

9207

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23250

Females

9523

F18-39

9523

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23923

Females

9974

F18-39

9974

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24319

Females

10245

F18-39

10245

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24756

Females

10479

F18-39

10479

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23842

Females

10052

F18-39

10052

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23703

Females

9957

F18-39

9957

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24399

Females

10376

F18-39

10376

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25018

Females

10686

F18-39

10686

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25672

Females

11012

F18-39

11012

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25324

Females

10831

F18-39

10831

Passing Analysis

Category:
Athletes Passed
605
Passed By
2682
Net Change
-2077
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21397
5K → 10K137485-348#21397#21745
10K → 15K190142+48#21745#21697
15K → 20K63278-215#21697#21912
20K → Half1748-31#21912#21943
Half → 25K28338-310#21943#22253
25K → 30K30447-417#22253#22670
30K → 20M28178-150#22670#22820
20M → 21M9193-184#22820#23004
21M → 35K2062-42#23004#23046
35K → 23M4281-39#23046#23085
23M → 24M1394-81#23085#23166
24M → 40K13137-124#23166#23290
40K → 25.2M769-62#23290#23352
25.2M → Finish8130-122#23352#23474
TOTALS6052682-2077
📊

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