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BOSTON MARATHON 2023

Nancy Hammond

Bib: 22355•F

MO

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
8:55/mi
27:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
55:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:23:14
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:51:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:57:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:19:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:48:13
↑ 181↓ 1480.2%
20M
9:06/mi
3:00:35
↑ 64↓ 500.2%
21M
9:36/mi
3:10:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:16:53
↑ 17↓ 861.7%
23M
9:16/mi
3:28:29
↑ 23↓ 630.6%
24M
9:09/mi
3:37:38
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:45:28
↓ 200.3%
25.2M
9:37/mi
3:48:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:57:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:00:14
Pace9:10 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2127:418:5527:41
8:55
-
10K
6.21 mi11:53:0955:298:5627:48
8:57
+0:02
15K
9.32 mi12:20:541:23:148:5627:45
8:56
-0:01
20K
12.43 mi12:49:031:51:238:5828:09
9:04
+0:08
Half
13.11 mi12:55:091:57:298:586:06
8:56
-0:08
25K
15.53 mi13:17:042:19:248:5821:55
9:02
+0:06
30K
18.64 mi13:45:532:48:139:0128:49
9:17
+0:15
20M
20.00 mi13:58:153:00:359:0212:22
9:06
-0:11
21M
21.00 mi14:07:513:10:119:039:36
9:36
+0:30
35K
21.75 mi14:14:333:16:539:036:42
8:57
-0:39
23M
23.00 mi14:26:093:28:299:0411:36
9:16
+0:19
24M
24.00 mi14:35:183:37:389:049:09
9:09
-0:07
40K
24.85 mi14:43:083:45:289:047:50
9:10
+0:01
25.2M
25.20 mi14:46:273:48:479:053:19
9:37
+0:27
Finish
26.22 mi14:55:233:57:439:048:56
8:46
-0:51

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

8:46 /mi

Average Pace

9:04 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:23

78% of race

Time at Steady Pace

53:20

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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 mi11:25:2127:418:5527:41
8:55
#20046
10K
6.21 mi11:53:0955:298:5627:48
8:57
#20345
15K
9.32 mi12:20:541:23:148:5627:45
8:56
#20260
20K
12.43 mi12:49:031:51:238:5828:09
9:04
#20171
Half
13.11 mi12:55:091:57:298:586:06
8:56
#20185
25K
15.53 mi13:17:042:19:248:5821:55
9:02
#19995
30K
18.64 mi13:45:532:48:139:0128:49
9:17
#19703
20M
20.00 mi13:58:153:00:359:0212:22
9:06
#19499
21M
21.00 mi14:07:513:10:119:039:36
9:36
#19308
35K
21.75 mi14:14:333:16:539:036:42
8:57
#19258
23M
23.00 mi14:26:093:28:299:0411:36
9:16
#19144
24M
24.00 mi14:35:183:37:389:049:09
9:09
#19080
40K
24.85 mi14:43:083:45:289:047:50
9:10
#19003
25.2M
25.20 mi14:46:273:48:479:053:19
9:37
#18961
Finish
26.22 mi14:55:233:57:439:048:56
8:46
#18889
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi200467842784220187(Top 76%)7771(Top 68%)7771(Top 428%)
10K6.21 mi3.10 mi20345-2997946-1047946-10420680(Top 78%)8080(Top 71%)8080(Top 445%)
15K9.32 mi3.11 mi20260+857886+607886+6020187(Top 76%)7771(Top 68%)7771(Top 428%)
20K12.43 mi3.11 mi20171+897812+747812+7419971(Top 75%)7661(Top 67%)7661(Top 422%)
Half13.11 mi0.68 mi20185-147818-67818-620196(Top 76%)7767(Top 68%)7767(Top 427%)
25K15.53 mi2.42 mi19995+1907709+1097709+10919165(Top 72%)7223(Top 63%)7223(Top 398%)
30K18.64 mi3.11 mi19703+2927552+1577552+15718516(Top 70%)6928(Top 61%)6928(Top 381%)
20M20.00 mi1.36 mi19499+2047451+1017451+10117097(Top 64%)6227(Top 55%)6227(Top 343%)
21M21.00 mi1.00 mi19308+1917346+1057346+10516452(Top 62%)5891(Top 52%)5891(Top 324%)
35K21.75 mi0.75 mi19258+507320+267320+2617762(Top 67%)6710(Top 59%)6710(Top 369%)
23M23.00 mi1.25 mi19144+1147269+517269+5117381(Top 65%)6497(Top 57%)6497(Top 358%)
24M24.00 mi1.00 mi19080+647240+297240+2917882(Top 67%)6851(Top 60%)6851(Top 377%)
40K24.85 mi0.85 mi19003+777202+387202+3816959(Top 64%)6383(Top 56%)6383(Top 351%)
25.2M25.20 mi0.35 mi18961+427184+187184+1815840(Top 59%)5796(Top 51%)5796(Top 319%)
Finish26.22 mi1.02 mi18889+727146+387146+3816885(Top 63%)6317(Top 55%)6317(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20187

Females

7771

F45-49

7771

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20680

Females

8080

F45-49

8080

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20187

Females

7771

F45-49

7771

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19971

Females

7661

F45-49

7661

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20196

Females

7767

F45-49

7767

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19165

Females

7223

F45-49

7223

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18516

Females

6928

F45-49

6928

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17097

Females

6227

F45-49

6227

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16452

Females

5891

F45-49

5891

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17762

Females

6710

F45-49

6710

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17381

Females

6497

F45-49

6497

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17882

Females

6851

F45-49

6851

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16959

Females

6383

F45-49

6383

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15840

Females

5796

F45-49

5796

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16885

Females

6317

F45-49

6317

Passing Analysis

Category:
Athletes Passed
2107
Passed By
950
Net Change
+1157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20046
5K → 10K167466-299#20046#20345
10K → 15K225140+85#20345#20260
15K → 20K204115+89#20260#20171
20K → Half2236-14#20171#20185
Half → 25K22939+190#20185#19995
25K → 30K33644+292#19995#19703
30K → 20M2095+204#19703#19499
20M → 21M1998+191#19499#19308
21M → 35K6212+50#19308#19258
35K → 23M13723+114#19258#19144
23M → 24M9127+64#19144#19080
24M → 40K8811+77#19080#19003
40K → 25.2M486+42#19003#18961
25.2M → Finish9018+72#18961#18889
TOTALS2107950+1157
📊

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