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BOSTON MARATHON 2023

Nina Bullock

Bib: 23916•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18521
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
54:14
Rank: #19296 (-775)
5K → 10K
27:23 | 8:49/mi
15K· 9.32 mi
1:21:44
Rank: #19440 (-144)
10K → 15K
27:30 | 8:51/mi
20K· 12.43 mi
1:49:44
Rank: #19480 (-40)
15K → 20K
28:00 | 9:01/mi
Half· 13.11 mi
1:55:46
Rank: #19497 (-17)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:17:50
Rank: #19476 (+21)
Half → 25K
22:04 | 9:06/mi
30K· 18.64 mi
2:46:33
Rank: #19278 (+198)
25K → 30K
28:43 | 9:15/mi
20M
2:59:09
Rank: #19158 (+120)
30K → 20M
12:36 | 9:16/mi
21M
3:08:55
Rank: #19034 (+124)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:15:47
Rank: #19019 (+15)
21M → 35K
6:52 | 9:11/mi
23M
3:27:19
Rank: #18900 (+119)
35K → 23M
11:32 | 9:13/mi
24M
3:36:21
Rank: #18816 (+84)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:44:14
Rank: #18767 (+49)
24M → 40K
7:53 | 9:13/mi
25.2M
3:47:45
Rank: #18754 (+13)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:56:59
Rank: #18768 (-14)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:46
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:01:13
Pace9:15 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4426:518:3926:51
8:39
-
10K
6.21 mi11:51:0754:148:4427:23
8:49
+0:10
15K
9.32 mi12:18:371:21:448:4627:30
8:51
+0:02
20K
12.43 mi12:46:371:49:448:5028:00
9:01
+0:10
Half
13.11 mi12:52:391:55:468:506:02
8:51
-0:10
25K
15.53 mi13:14:432:17:508:5222:04
9:06
+0:15
30K
18.64 mi13:43:262:46:338:5628:43
9:15
+0:09
20M
20.00 mi13:56:022:59:098:5712:36
9:16
+0:01
21M
21.00 mi14:05:483:08:559:009:46
9:46
+0:30
35K
21.75 mi14:12:403:15:479:006:52
9:11
-0:35
23M
23.00 mi14:24:123:27:199:0111:32
9:13
+0:02
24M
24.00 mi14:33:143:36:219:019:02
9:02
-0:11
40K
24.85 mi14:41:073:44:149:017:53
9:13
+0:11
25.2M
25.20 mi14:44:383:47:459:023:31
10:12
+0:59
Finish
26.22 mi14:53:523:56:599:039:14
9:04
-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

8:39 /mi

Average Pace

9:03 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:42

94% of race

Time at Steady Pace

13:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:02 /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 mi11:23:4426:518:3926:51
8:39
#18521
10K
6.21 mi11:51:0754:148:4427:23
8:49
#19296
15K
9.32 mi12:18:371:21:448:4627:30
8:51
#19440
20K
12.43 mi12:46:371:49:448:5028:00
9:01
#19480
Half
13.11 mi12:52:391:55:468:506:02
8:51
#19497
25K
15.53 mi13:14:432:17:508:5222:04
9:06
#19476
30K
18.64 mi13:43:262:46:338:5628:43
9:15
#19278
20M
20.00 mi13:56:022:59:098:5712:36
9:16
#19158
21M
21.00 mi14:05:483:08:559:009:46
9:46
#19034
35K
21.75 mi14:12:403:15:479:006:52
9:11
#19019
23M
23.00 mi14:24:123:27:199:0111:32
9:13
#18900
24M
24.00 mi14:33:143:36:219:019:02
9:02
#18816
40K
24.85 mi14:41:073:44:149:017:53
9:13
#18767
25.2M
25.20 mi14:44:383:47:459:023:31
10:12
#18754
Finish
26.22 mi14:53:523:56:599:039:14
9:04
#18768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi185216886688619804(Top 74%)7568(Top 66%)7568(Top 1436%)
10K6.21 mi3.10 mi19296-7757333-4477333-44720012(Top 75%)7706(Top 67%)7706(Top 1462%)
15K9.32 mi3.11 mi19440-1447416-837416-8319804(Top 74%)7568(Top 66%)7568(Top 1436%)
20K12.43 mi3.11 mi19480-407417-17417-119764(Top 74%)7533(Top 66%)7533(Top 1429%)
Half13.11 mi0.68 mi19497-177427-107427-1019739(Top 74%)7510(Top 66%)7510(Top 1425%)
25K15.53 mi2.42 mi19476+217405+227405+2219421(Top 73%)7381(Top 65%)7381(Top 1401%)
30K18.64 mi3.11 mi19278+1987300+1057300+10518378(Top 69%)6854(Top 60%)6854(Top 1301%)
20M20.00 mi1.36 mi19158+1207245+557245+5517908(Top 67%)6699(Top 59%)6699(Top 1271%)
21M21.00 mi1.00 mi19034+1247188+577188+5717151(Top 64%)6286(Top 55%)6286(Top 1193%)
35K21.75 mi0.75 mi19019+157187+17187+118674(Top 70%)7204(Top 63%)7204(Top 1367%)
23M23.00 mi1.25 mi18900+1197130+577130+5717143(Top 64%)6372(Top 56%)6372(Top 1209%)
24M24.00 mi1.00 mi18816+847096+347096+3417405(Top 65%)6584(Top 58%)6584(Top 1249%)
40K24.85 mi0.85 mi18767+497080+167080+1617214(Top 65%)6526(Top 57%)6526(Top 1238%)
25.2M25.20 mi0.35 mi18754+137079+17079+118155(Top 68%)7035(Top 62%)7035(Top 1335%)
Finish26.22 mi1.02 mi18768-147090-117090-1118295(Top 69%)7061(Top 62%)7061(Top 1340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19804

Females

7568

F60-64

7568

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20012

Females

7706

F60-64

7706

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19804

Females

7568

F60-64

7568

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19764

Females

7533

F60-64

7533

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19739

Females

7510

F60-64

7510

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19421

Females

7381

F60-64

7381

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18378

Females

6854

F60-64

6854

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17908

Females

6699

F60-64

6699

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17151

Females

6286

F60-64

6286

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18674

Females

7204

F60-64

7204

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17143

Females

6372

F60-64

6372

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17405

Females

6584

F60-64

6584

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17214

Females

6526

F60-64

6526

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18155

Females

7035

F60-64

7035

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18295

Females

7061

F60-64

7061

Passing Analysis

Category:
Athletes Passed
1537
Passed By
1784
Net Change
-247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18521
5K → 10K98873-775#18521#19296
10K → 15K129273-144#19296#19440
15K → 20K148188-40#19440#19480
20K → Half2340-17#19480#19497
Half → 25K135114+21#19497#19476
25K → 30K27274+198#19476#19278
30K → 20M14222+120#19278#19158
20M → 21M14925+124#19158#19034
21M → 35K4732+15#19034#19019
35K → 23M13819+119#19019#18900
23M → 24M10824+84#18900#18816
24M → 40K7425+49#18816#18767
40K → 25.2M3320+13#18767#18754
25.2M → Finish4155-14#18754#18768
TOTALS15371784-247
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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