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BOSTON MARATHON 2023

Nancy Gould

Bib: 24721•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
10:35/mi
32:54
↑ 97↓ 3451.5%
10K· 6.21 mi
11:09/mi
1:07:32
↑ 79↓ 1380.4%
15K· 9.32 mi
11:39/mi
1:43:43
↑ 67↓ 78
20K· 12.43 mi
12:53/mi
2:23:45
↑ 106↓ 860.1%
Half· 13.11 mi
12:33/mi
2:32:19
↑ 19↓ 370.5%
25K· 15.53 mi
13:34/mi
3:05:13
↑ 66↓ 880.2%
30K· 18.64 mi
13:32/mi
3:47:15
↑ 181↓ 1480.2%
20M
13:33/mi
4:05:40
↑ 64↓ 500.2%
21M
14:23/mi
4:20:03
↑ 106↓ 241.6%
35K· 21.75 mi
12:47/mi
4:29:37
↑ 17↓ 861.7%
23M
13:20/mi
4:46:19
↑ 23↓ 630.6%
24M
14:43/mi
5:01:02
↓ 821.3%
40K· 24.85 mi
13:31/mi
5:12:35
↓ 200.3%
25.2M
15:02/mi
5:17:46
↑ 13↓ 160.2%
Finish· 26.22 mi
12:40/mi
5:30:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:19
Pace11:37 /mi
2nd Half
Distance13.11 mi
Time2:58:21
Pace13:36 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3432:5410:3532:54
10:35
-
10K
6.21 mi12:23:121:07:3210:5234:38
11:09
+0:34
15K
9.32 mi12:59:231:43:4311:0836:11
11:39
+0:30
20K
12.43 mi13:39:252:23:4511:3440:02
12:53
+1:14
Half
13.11 mi13:47:592:32:1911:378:34
12:33
-0:20
25K
15.53 mi14:20:533:05:1311:5532:54
13:34
+1:01
30K
18.64 mi15:02:553:47:1512:1142:02
13:32
-0:02
20M
20.00 mi15:21:204:05:4012:1718:25
13:33
+0:01
21M
21.00 mi15:35:434:20:0312:2314:23
14:23
+0:50
35K
21.75 mi15:45:174:29:3712:249:34
12:47
-1:36
23M
23.00 mi16:01:594:46:1912:2716:42
13:20
+0:33
24M
24.00 mi16:16:425:01:0212:3314:43
14:43
+1:23
40K
24.85 mi16:28:155:12:3512:3511:33
13:31
-1:12
25.2M
25.20 mi16:33:265:17:4612:375:11
15:02
+1:31
Finish
26.22 mi16:46:205:30:4012:3712:54
12:40
-2:22

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

10:35 /mi

Average Pace

12:37 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:11

38% of race

Time at Steady Pace

2:51:12

52% of race

Time at Slower Pace

34:17

10% of race

Average Pace: 12:37 /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 mi11:48:3432:5410:3532:54
10:35
#24937
10K
6.21 mi12:23:121:07:3210:5234:38
11:09
#25398
15K
9.32 mi12:59:231:43:4311:0836:11
11:39
#25616
20K
12.43 mi13:39:252:23:4511:3440:02
12:53
#25853
Half
13.11 mi13:47:592:32:1911:378:34
12:33
#25882
25K
15.53 mi14:20:533:05:1311:5532:54
13:34
#25953
30K
18.64 mi15:02:553:47:1512:1142:02
13:32
#25938
20M
20.00 mi15:21:204:05:4012:1718:25
13:33
#25927
21M
21.00 mi15:35:434:20:0312:2314:23
14:23
#25894
35K
21.75 mi15:45:174:29:3712:249:34
12:47
#25883
23M
23.00 mi16:01:594:46:1912:2716:42
13:20
#25873
24M
24.00 mi16:16:425:01:0212:3314:43
14:43
#25910
40K
24.85 mi16:28:155:12:3512:3511:33
13:31
#25897
25.2M
25.20 mi16:33:265:17:4612:375:11
15:02
#25899
Finish
26.22 mi16:46:205:30:4012:3712:54
12:40
#25910
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi24937104061040625837(Top 97%)10942(Top 96%)10942(Top 907%)
10K6.21 mi3.10 mi25398-46110666-26010666-26025624(Top 96%)10810(Top 95%)10810(Top 896%)
15K9.32 mi3.11 mi25616-21810804-13810804-13825837(Top 97%)10942(Top 96%)10942(Top 907%)
20K12.43 mi3.11 mi25853-23710952-14810952-14826180(Top 98%)11162(Top 98%)11162(Top 925%)
Half13.11 mi0.68 mi25882-2910965-1310965-1326191(Top 98%)11173(Top 98%)11173(Top 926%)
25K15.53 mi2.42 mi25953-7111021-5611021-5626159(Top 98%)11168(Top 98%)11168(Top 925%)
30K18.64 mi3.11 mi25938+1511017+411017+425771(Top 97%)10986(Top 96%)10986(Top 910%)
20M20.00 mi1.36 mi25927+1111008+911008+925579(Top 96%)10899(Top 95%)10899(Top 903%)
21M21.00 mi1.00 mi25894+3310998+1010998+1025348(Top 95%)10783(Top 94%)10783(Top 893%)
35K21.75 mi0.75 mi25883+1110995+310995+325415(Top 95%)10872(Top 95%)10872(Top 901%)
23M23.00 mi1.25 mi25873+1010994+110994+125398(Top 95%)10847(Top 95%)10847(Top 899%)
24M24.00 mi1.00 mi25910-3711018-2411018-2426334(Top 99%)11312(Top 99%)11312(Top 937%)
40K24.85 mi0.85 mi25897+1311012+611012+625361(Top 95%)10849(Top 95%)10849(Top 899%)
25.2M25.20 mi0.35 mi25899-211011+111011+125728(Top 97%)11043(Top 97%)11043(Top 915%)
Finish26.22 mi1.02 mi25910-1111017-611017-625777(Top 97%)11062(Top 97%)11062(Top 916%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25837

Females

10942

F50-54

10942

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25624

Females

10810

F50-54

10810

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25837

Females

10942

F50-54

10942

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26180

Females

11162

F50-54

11162

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26191

Females

11173

F50-54

11173

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26159

Females

11168

F50-54

11168

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25771

Females

10986

F50-54

10986

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25579

Females

10899

F50-54

10899

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25348

Females

10783

F50-54

10783

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25415

Females

10872

F50-54

10872

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25398

Females

10847

F50-54

10847

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26334

Females

11312

F50-54

11312

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25361

Females

10849

F50-54

10849

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25728

Females

11043

F50-54

11043

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25777

Females

11062

F50-54

11062

Passing Analysis

Category:
Athletes Passed
322
Passed By
1295
Net Change
-973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24937
5K → 10K52513-461#24937#25398
10K → 15K37255-218#25398#25616
15K → 20K19256-237#25616#25853
20K → Half332-29#25853#25882
Half → 25K1788-71#25882#25953
25K → 30K5338+15#25953#25938
30K → 20M2716+11#25938#25927
20M → 21M418+33#25927#25894
21M → 35K198+11#25894#25883
35K → 23M2010+10#25883#25873
23M → 24M340-37#25873#25910
24M → 40K207+13#25910#25897
40K → 25.2M57-2#25897#25899
25.2M → Finish617-11#25899#25910
TOTALS3221295-973
📊

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