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BOSTON MARATHON 2023

Nancy Pelletier

QC

Bib: 21977 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F45-49)
#0 / 1817
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:11/mi
25:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:47/mi
49:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:55/mi
1:14:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:02/mi
1:39:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:56/mi
1:44:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:18/mi
2:04:44
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:34/mi
2:31:21
↑ 181↓ 1480.2%
138 ft elev
20M
8:36/mi
2:43:02
↑ 64↓ 500.2%
148 ft elev
21M
9:05/mi
2:52:07
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:17/mi
2:58:19
↑ 17↓ 861.7%
156 ft elev
23M
8:42/mi
3:09:13
↑ 23↓ 630.6%
116 ft elev
24M
8:26/mi
3:17:39
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:26/mi
3:24:52
↓ 200.3%
20 ft elev
25.2M
8:59/mi
3:27:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:56/mi
3:36:03
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:44:377:59 /mi⚡ faster
2nd Half
1:51:268:30 /mi+6.5%
Positive split — 6.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0225:278:1125:27
8:11
-
10K
6.21 mi12:06:1449:397:5924:12
7:47
-0:24
15K
9.32 mi12:30:491:14:147:5824:35
7:55
+0:08
20K
12.43 mi12:55:471:39:127:5924:58
8:02
+0:07
Half
13.11 mi13:01:121:44:377:595:25
7:56
-0:06
25K
15.53 mi13:21:192:04:448:0220:07
8:18
+0:22
30K
18.64 mi13:47:562:31:218:0726:37
8:34
+0:16
20M
20.00 mi13:59:372:43:028:0911:41
8:36
+0:02
21M
21.00 mi14:08:422:52:078:129:05
9:05
+0:29
35K
21.75 mi14:14:542:58:198:126:12
8:17
-0:48
23M
23.00 mi14:25:483:09:138:1410:54
8:42
+0:25
24M
24.00 mi14:34:143:17:398:148:26
8:26
-0:16
40K
24.85 mi14:41:273:24:528:157:13
8:26
0:00
25.2M
25.20 mi14:44:333:27:588:153:06
8:59
+0:33
Finish
26.22 mi14:52:383:36:038:158:05
7:56
-1:03

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

7:47 /mi

Average Pace

8:15 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:34:40

72% of race

Time at Steady Pace

1:01:23

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:42:0225:278:1125:27
8:11
#15412
10K
6.21 mi12:06:1449:397:5924:12
7:47
#14327
15K
9.32 mi12:30:491:14:147:5824:35
7:55
#14096
20K
12.43 mi12:55:471:39:127:5924:58
8:02
#13959
Half
13.11 mi13:01:121:44:377:595:25
7:56
#13949
25K
15.53 mi13:21:192:04:448:0220:07
8:18
#14093
30K
18.64 mi13:47:562:31:218:0726:37
8:34
#14240
20M
20.00 mi13:59:372:43:028:0911:41
8:36
#14228
21M
21.00 mi14:08:422:52:078:129:05
9:05
#14189
35K
21.75 mi14:14:542:58:198:126:12
8:17
#14165
23M
23.00 mi14:25:483:09:138:1410:54
8:42
#14157
24M
24.00 mi14:34:143:17:398:148:26
8:26
#14138
40K
24.85 mi14:41:273:24:528:157:13
8:26
#14075
25.2M
25.20 mi14:44:333:27:588:153:06
8:59
#14040
Finish
26.22 mi14:52:383:36:038:158:05
7:56
#13915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi15412490649061368838943894
10K6.21 mi3.10 mi14327+10854244+6624244+6621304134523452
15K9.32 mi3.11 mi14096+2314116+1284116+1281368838943894
20K12.43 mi3.11 mi13959+1374061+554061+551373939593959
Half13.11 mi0.68 mi13949+104056+54056+51395040594059
25K15.53 mi2.42 mi14093-1444168-1124168-1121493547874787
30K18.64 mi3.11 mi14240-1474290-1224290-1221472747654765
20M20.00 mi1.36 mi14228+124309-194309-191425745694569
21M21.00 mi1.00 mi14189+394306+34306+31390944424442
35K21.75 mi0.75 mi14165+244308-24308-21404645824582
23M23.00 mi1.25 mi14157+84319-114319-111442448614861
24M24.00 mi1.00 mi14138+194333-144333-141409747244724
40K24.85 mi0.85 mi14075+634319+144319+141300242064206
25.2M25.20 mi0.35 mi14040+354301+184301+181254140004000
Finish26.22 mi1.02 mi13915+1254241+604241+601166035313531

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13688

Females

3894

F45-49

3894

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13041

Females

3452

F45-49

3452

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13688

Females

3894

F45-49

3894

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13739

Females

3959

F45-49

3959

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13950

Females

4059

F45-49

4059

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14935

Females

4787

F45-49

4787

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14727

Females

4765

F45-49

4765

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14257

Females

4569

F45-49

4569

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13909

Females

4442

F45-49

4442

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14046

Females

4582

F45-49

4582

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14424

Females

4861

F45-49

4861

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14097

Females

4724

F45-49

4724

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13002

Females

4206

F45-49

4206

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12541

Females

4000

F45-49

4000

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11660

Females

3531

F45-49

3531

Passing Analysis

Category:
Athletes Passed
2681
Passed By
1184
Net Change
+1497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15412
5K → 10K112742+1085#15412#14327
10K → 15K31988+231#14327#14096
15K → 20K243106+137#14096#13959
20K → Half3929+10#13959#13949
Half → 25K80224-144#13949#14093
25K → 30K151298-147#14093#14240
30K → 20M8977+12#14240#14228
20M → 21M10566+39#14228#14189
21M → 35K6036+24#14189#14165
35K → 23M10496+8#14165#14157
23M → 24M6950+19#14157#14138
24M → 40K9936+63#14138#14075
40K → 25.2M4914+35#14075#14040
25.2M → Finish14722+125#14040#13915
TOTALS26811184+1497

Passing Charts

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