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BOSTON MARATHON 2023

Nicole Peters

Bib: 21547•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:40/mi
26:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
53:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:30
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:49:11
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
1:55:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:17:08
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:46:09
↑ 181↓ 1480.2%
20M
10:33/mi
3:00:29
↑ 64↓ 500.2%
21M
12:00/mi
3:12:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:19:05
↑ 17↓ 861.7%
23M
9:03/mi
3:30:25
↑ 23↓ 630.6%
24M
8:55/mi
3:39:20
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:47:00
↓ 200.3%
25.2M
9:25/mi
3:50:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:58:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:03:32
Pace9:25 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4026:578:4026:57
8:40
-
10K
6.21 mi11:47:4153:588:4127:01
8:42
+0:02
15K
9.32 mi12:15:131:21:308:4527:32
8:52
+0:10
20K
12.43 mi12:42:541:49:118:4727:41
8:55
+0:03
Half
13.11 mi12:49:041:55:218:486:10
9:02
+0:07
25K
15.53 mi13:10:512:17:088:5021:47
8:59
-0:03
30K
18.64 mi13:39:522:46:098:5529:01
9:20
+0:21
20M
20.00 mi13:54:123:00:299:0114:20
10:33
+1:13
21M
21.00 mi14:06:123:12:299:1012:00
12:00
+1:27
35K
21.75 mi14:12:483:19:059:096:36
8:49
-3:11
23M
23.00 mi14:24:083:30:259:0911:20
9:03
+0:14
24M
24.00 mi14:33:033:39:209:088:55
8:55
-0:08
40K
24.85 mi14:40:433:47:009:087:40
8:58
+0:03
25.2M
25.20 mi14:43:583:50:159:083:15
9:25
+0:27
Finish
26.22 mi14:52:363:58:539:078:38
8:28
-0:57

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

8:28 /mi

Average Pace

9:07 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:38

4% of race

Time at Steady Pace

3:20:40

84% of race

Time at Slower Pace

29:35

12% of race

Average Pace: 9:07 /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 mi11:20:4026:578:4026:57
8:40
#18727
10K
6.21 mi11:47:4153:588:4127:01
8:42
#19026
15K
9.32 mi12:15:131:21:308:4527:32
8:52
#19300
20K
12.43 mi12:42:541:49:118:4727:41
8:55
#19258
Half
13.11 mi12:49:041:55:218:486:10
9:02
#19319
25K
15.53 mi13:10:512:17:088:5021:47
8:59
#19249
30K
18.64 mi13:39:522:46:098:5529:01
9:20
#19177
20M
20.00 mi13:54:123:00:299:0114:20
10:33
#19473
21M
21.00 mi14:06:123:12:299:1012:00
12:00
#19787
35K
21.75 mi14:12:483:19:059:096:36
8:49
#19695
23M
23.00 mi14:24:083:30:259:0911:20
9:03
#19518
24M
24.00 mi14:33:033:39:209:088:55
8:55
#19406
40K
24.85 mi14:40:433:47:009:087:40
8:58
#19285
25.2M
25.20 mi14:43:583:50:159:083:15
9:25
#19225
Finish
26.22 mi14:52:363:58:539:078:38
8:28
#19114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187277023702319854(Top 75%)7603(Top 67%)7603(Top 418%)
10K6.21 mi3.10 mi19026-2997166-1437166-14319419(Top 73%)7329(Top 64%)7329(Top 403%)
15K9.32 mi3.11 mi19300-2747318-1527318-15219854(Top 75%)7603(Top 67%)7603(Top 418%)
20K12.43 mi3.11 mi19258+427275+437275+4319262(Top 72%)7249(Top 63%)7249(Top 399%)
Half13.11 mi0.68 mi19319-617314-397314-3920601(Top 77%)8014(Top 70%)8014(Top 441%)
25K15.53 mi2.42 mi19249+707269+457269+4518884(Top 71%)7067(Top 62%)7067(Top 389%)
30K18.64 mi3.11 mi19177+727245+247245+2418786(Top 71%)7075(Top 62%)7075(Top 389%)
20M20.00 mi1.36 mi19473-2967436-1917436-19121845(Top 82%)8891(Top 78%)8891(Top 489%)
21M21.00 mi1.00 mi19787-3147616-1807616-18022758(Top 85%)9416(Top 82%)9416(Top 518%)
35K21.75 mi0.75 mi19695+927573+437573+4317112(Top 64%)6350(Top 56%)6350(Top 349%)
23M23.00 mi1.25 mi19518+1777478+957478+9516350(Top 61%)5950(Top 52%)5950(Top 327%)
24M24.00 mi1.00 mi19406+1127423+557423+5516881(Top 63%)6296(Top 55%)6296(Top 347%)
40K24.85 mi0.85 mi19285+1217359+647359+6416018(Top 60%)5876(Top 51%)5876(Top 323%)
25.2M25.20 mi0.35 mi19225+607329+307329+3014931(Top 56%)5289(Top 46%)5289(Top 291%)
Finish26.22 mi1.02 mi19114+1117274+557274+5515296(Top 57%)5439(Top 48%)5439(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19854

Females

7603

F45-49

7603

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19419

Females

7329

F45-49

7329

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19854

Females

7603

F45-49

7603

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19262

Females

7249

F45-49

7249

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20601

Females

8014

F45-49

8014

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18884

Females

7067

F45-49

7067

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18786

Females

7075

F45-49

7075

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21845

Females

8891

F45-49

8891

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22758

Females

9416

F45-49

9416

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17112

Females

6350

F45-49

6350

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16350

Females

5950

F45-49

5950

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16881

Females

6296

F45-49

6296

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16018

Females

5876

F45-49

5876

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14931

Females

5289

F45-49

5289

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15296

Females

5439

F45-49

5439

Passing Analysis

Category:
Athletes Passed
1607
Passed By
1994
Net Change
-387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18727
5K → 10K210509-299#18727#19026
10K → 15K88362-274#19026#19300
15K → 20K175133+42#19300#19258
20K → Half970-61#19258#19319
Half → 25K15282+70#19319#19249
25K → 30K204132+72#19249#19177
30K → 20M30326-296#19177#19473
20M → 21M18332-314#19473#19787
21M → 35K1019+92#19787#19695
35K → 23M1814+177#19695#19518
23M → 24M12311+112#19518#19406
24M → 40K1254+121#19406#19285
40K → 25.2M633+60#19285#19225
25.2M → Finish12817+111#19225#19114
TOTALS16071994-387
📊

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