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BOSTON MARATHON 2023

Nikki Rosee

Bib: 14694•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 12%
Division (F45-49)
#0 / 1817
Top 12%
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
7:56/mi
24:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:24
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:37:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:43:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:02:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:27:43
↑ 181↓ 1480.2%
20M
7:49/mi
2:38:20
↑ 64↓ 500.2%
21M
8:18/mi
2:46:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:52:24
↑ 17↓ 861.7%
23M
7:44/mi
3:02:05
↑ 23↓ 630.6%
24M
7:40/mi
3:09:45
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:16:26
↓ 200.3%
25.2M
8:25/mi
3:19:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:27:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:20
Pace7:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2124:387:5624:38
7:56
-
10K
6.21 mi11:39:4749:047:5424:26
7:52
-0:04
15K
9.32 mi12:04:071:13:247:5324:20
7:50
-0:02
20K
12.43 mi12:28:391:37:567:5324:32
7:54
+0:04
Half
13.11 mi12:34:031:43:207:535:24
7:55
+0:01
25K
15.53 mi12:53:172:02:347:5319:14
7:56
+0:01
30K
18.64 mi13:18:262:27:437:5525:09
8:06
+0:10
20M
20.00 mi13:29:032:38:207:5510:37
7:49
-0:17
21M
21.00 mi13:37:212:46:387:568:18
8:18
+0:29
35K
21.75 mi13:43:072:52:247:565:46
7:42
-0:36
23M
23.00 mi13:52:483:02:057:559:41
7:44
+0:02
24M
24.00 mi14:00:283:09:457:547:40
7:40
-0:04
40K
24.85 mi14:07:093:16:267:546:41
7:49
+0:09
25.2M
25.20 mi14:10:033:19:207:552:54
8:25
+0:36
Finish
26.22 mi14:17:563:27:137:557:53
7:44
-0:41

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

7:40 /mi

Average Pace

7:55 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:52

82% of race

Time at Steady Pace

36:21

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:15:2124:387:5624:38
7:56
#13495
10K
6.21 mi11:39:4749:047:5424:26
7:52
#13566
15K
9.32 mi12:04:071:13:247:5324:20
7:50
#13368
20K
12.43 mi12:28:391:37:567:5324:32
7:54
#13128
Half
13.11 mi12:34:031:43:207:535:24
7:55
#13160
25K
15.53 mi12:53:172:02:347:5319:14
7:56
#12961
30K
18.64 mi13:18:262:27:437:5525:09
8:06
#12677
20M
20.00 mi13:29:032:38:207:5510:37
7:49
#12357
21M
21.00 mi13:37:212:46:387:568:18
8:18
#12134
35K
21.75 mi13:43:072:52:247:565:46
7:42
#12040
23M
23.00 mi13:52:483:02:057:559:41
7:44
#11789
24M
24.00 mi14:00:283:09:457:547:40
7:40
#11631
40K
24.85 mi14:07:093:16:267:546:41
7:49
#11519
25.2M
25.20 mi14:10:033:19:207:552:54
8:25
#11454
Finish
26.22 mi14:17:563:27:137:557:53
7:44
#11365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi134953711371112985(Top 49%)3463(Top 30%)3463(Top 191%)
10K6.21 mi3.10 mi13566-713780-693780-6913683(Top 51%)3843(Top 34%)3843(Top 212%)
15K9.32 mi3.11 mi13368+1983671+1093671+10912985(Top 49%)3463(Top 30%)3463(Top 191%)
20K12.43 mi3.11 mi13128+2403561+1103561+11012588(Top 47%)3305(Top 29%)3305(Top 182%)
Half13.11 mi0.68 mi13160-323577-163577-1613694(Top 51%)3881(Top 34%)3881(Top 214%)
25K15.53 mi2.42 mi12961+1993482+953482+9512170(Top 46%)3172(Top 28%)3172(Top 175%)
30K18.64 mi3.11 mi12677+2843360+1223360+12211604(Top 44%)2960(Top 26%)2960(Top 163%)
20M20.00 mi1.36 mi12357+3203190+1703190+1709001(Top 34%)1806(Top 16%)1806(Top 99%)
21M21.00 mi1.00 mi12134+2233086+1043086+1049266(Top 35%)2043(Top 18%)2043(Top 112%)
35K21.75 mi0.75 mi12040+943051+353051+3510057(Top 38%)2395(Top 21%)2395(Top 132%)
23M23.00 mi1.25 mi11789+2512926+1252926+1257996(Top 30%)1593(Top 14%)1593(Top 88%)
24M24.00 mi1.00 mi11631+1582858+682858+688899(Top 33%)2061(Top 18%)2061(Top 113%)
40K24.85 mi0.85 mi11519+1122824+342824+348831(Top 33%)2108(Top 18%)2108(Top 116%)
25.2M25.20 mi0.35 mi11454+652801+232801+239063(Top 34%)2289(Top 20%)2289(Top 126%)
Finish26.22 mi1.02 mi11365+892775+262775+2610236(Top 38%)2813(Top 25%)2813(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12985

Females

3463

F45-49

3463

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13683

Females

3843

F45-49

3843

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12985

Females

3463

F45-49

3463

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12588

Females

3305

F45-49

3305

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13694

Females

3881

F45-49

3881

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12170

Females

3172

F45-49

3172

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11604

Females

2960

F45-49

2960

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9001

Females

1806

F45-49

1806

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9266

Females

2043

F45-49

2043

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10057

Females

2395

F45-49

2395

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7996

Females

1593

F45-49

1593

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8899

Females

2061

F45-49

2061

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8831

Females

2108

F45-49

2108

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9063

Females

2289

F45-49

2289

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10236

Females

2813

F45-49

2813

Passing Analysis

Category:
Athletes Passed
2892
Passed By
762
Net Change
+2130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13495
5K → 10K266337-71#13495#13566
10K → 15K307109+198#13566#13368
15K → 20K30868+240#13368#13128
20K → Half2557-32#13128#13160
Half → 25K24950+199#13160#12961
25K → 30K33551+284#12961#12677
30K → 20M3244+320#12677#12357
20M → 21M23310+223#12357#12134
21M → 35K1028+94#12134#12040
35K → 23M2565+251#12040#11789
23M → 24M1668+158#11789#11631
24M → 40K13119+112#11631#11519
40K → 25.2M705+65#11519#11454
25.2M → Finish12031+89#11454#11365
TOTALS2892762+2130
📊

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