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BOSTON MARATHON 2023

Nicole Halvatzes

Bib: 30313•F

NH

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:06/mi
28:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
55:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:51/mi
1:22:38
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:50:44
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:56:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:19:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:43/mi
2:50:04
↑ 181↓ 1480.2%
20M
9:36/mi
3:03:07
↑ 64↓ 500.2%
21M
10:14/mi
3:13:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:20:13
↑ 17↓ 861.7%
23M
9:43/mi
3:32:23
↑ 23↓ 630.6%
24M
9:08/mi
3:41:31
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:49:34
↓ 200.3%
25.2M
10:00/mi
3:53:01
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
4:02:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5228:179:0628:17
9:06
-
10K
6.21 mi12:16:4455:098:5326:52
8:39
-0:27
15K
9.32 mi12:44:131:22:388:5227:29
8:51
+0:12
20K
12.43 mi13:12:191:50:448:5528:06
9:03
+0:12
Half
13.11 mi13:18:301:56:558:556:11
9:04
+0:01
25K
15.53 mi13:41:282:19:539:0022:58
9:28
+0:24
30K
18.64 mi14:11:392:50:049:0730:11
9:43
+0:15
20M
20.00 mi14:24:423:03:079:0913:03
9:36
-0:07
21M
21.00 mi14:34:563:13:219:1210:14
10:14
+0:38
35K
21.75 mi14:41:483:20:139:126:52
9:11
-1:03
23M
23.00 mi14:53:583:32:239:1412:10
9:43
+0:32
24M
24.00 mi15:03:063:41:319:149:08
9:08
-0:35
40K
24.85 mi15:11:093:49:349:148:03
9:25
+0:17
25.2M
25.20 mi15:14:363:53:019:153:27
10:00
+0:35
Finish
26.22 mi15:24:024:02:279:159:26
9:15
-0:45

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

8:39 /mi

Average Pace

9:15 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:22

72% of race

Time at Steady Pace

58:51

24% of race

Time at Slower Pace

10:14

4% of race

Average Pace: 9:15 /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 mi11:49:5228:179:0628:17
9:06
#20889
10K
6.21 mi12:16:4455:098:5326:52
8:39
#20063
15K
9.32 mi12:44:131:22:388:5227:29
8:51
#19949
20K
12.43 mi13:12:191:50:448:5528:06
9:03
#19913
Half
13.11 mi13:18:301:56:558:556:11
9:04
#19960
25K
15.53 mi13:41:282:19:539:0022:58
9:28
#20138
30K
18.64 mi14:11:392:50:049:0730:11
9:43
#20163
20M
20.00 mi14:24:423:03:079:0913:03
9:36
#20077
21M
21.00 mi14:34:563:13:219:1210:14
10:14
#19973
35K
21.75 mi14:41:483:20:139:126:52
9:11
#19926
23M
23.00 mi14:53:583:32:239:1412:10
9:43
#19878
24M
24.00 mi15:03:063:41:319:149:08
9:08
#19781
40K
24.85 mi15:11:093:49:349:148:03
9:25
#19726
25.2M
25.20 mi15:14:363:53:019:153:27
10:00
#19694
Finish
26.22 mi15:24:024:02:279:159:26
9:15
#19684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi208898316831619784(Top 74%)7557(Top 66%)7557(Top 155%)
10K6.21 mi3.10 mi20063+8267801+5157801+51519128(Top 72%)7161(Top 63%)7161(Top 147%)
15K9.32 mi3.11 mi19949+1147705+967705+9619784(Top 74%)7557(Top 66%)7557(Top 155%)
20K12.43 mi3.11 mi19913+367672+337672+3319910(Top 75%)7627(Top 67%)7627(Top 156%)
Half13.11 mi0.68 mi19960-477700-287700-2820708(Top 78%)8070(Top 71%)8070(Top 165%)
25K15.53 mi2.42 mi20138-1787782-827782-8220752(Top 78%)8135(Top 71%)8135(Top 167%)
30K18.64 mi3.11 mi20163-257823-417823-4120190(Top 76%)7880(Top 69%)7880(Top 161%)
20M20.00 mi1.36 mi20077+867788+357788+3519252(Top 72%)7430(Top 65%)7430(Top 152%)
21M21.00 mi1.00 mi19973+1047736+527736+5218839(Top 71%)7253(Top 63%)7253(Top 149%)
35K21.75 mi0.75 mi19926+477709+277709+2718684(Top 70%)7214(Top 63%)7214(Top 148%)
23M23.00 mi1.25 mi19878+487693+167693+1619153(Top 72%)7501(Top 66%)7501(Top 154%)
24M24.00 mi1.00 mi19781+977639+547639+5417826(Top 67%)6819(Top 60%)6819(Top 140%)
40K24.85 mi0.85 mi19726+557621+187621+1818043(Top 68%)6972(Top 61%)6972(Top 143%)
25.2M25.20 mi0.35 mi19694+327607+147607+1417471(Top 66%)6704(Top 59%)6704(Top 137%)
Finish26.22 mi1.02 mi19684+107608-17608-119203(Top 72%)7557(Top 66%)7557(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19784

Females

7557

F18-39

7557

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19128

Females

7161

F18-39

7161

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19784

Females

7557

F18-39

7557

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19910

Females

7627

F18-39

7627

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20708

Females

8070

F18-39

8070

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20752

Females

8135

F18-39

8135

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20190

Females

7880

F18-39

7880

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19252

Females

7430

F18-39

7430

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18839

Females

7253

F18-39

7253

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18684

Females

7214

F18-39

7214

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19153

Females

7501

F18-39

7501

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17826

Females

6819

F18-39

6819

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18043

Females

6972

F18-39

6972

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17471

Females

6704

F18-39

6704

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19203

Females

7557

F18-39

7557

Passing Analysis

Category:
Athletes Passed
2293
Passed By
1088
Net Change
+1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20889
5K → 10K90882+826#20889#20063
10K → 15K247133+114#20063#19949
15K → 20K196160+36#19949#19913
20K → Half1966-47#19913#19960
Half → 25K79257-178#19960#20138
25K → 30K139164-25#20138#20163
30K → 20M12943+86#20163#20077
20M → 21M13531+104#20077#19973
21M → 35K6215+47#19973#19926
35K → 23M9951+48#19926#19878
23M → 24M11013+97#19878#19781
24M → 40K8025+55#19781#19726
40K → 25.2M364+32#19726#19694
25.2M → Finish5444+10#19694#19684
TOTALS22931088+1205
📊

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