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BOSTON MARATHON 2024

Nancy Robertson

Bib: 15912•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:04
Rank: #20226
Start → 5K
28:04 | 9:02/mi
10K· 6.21 mi
57:09
Rank: #20632 (-406)
5K → 10K
29:05 | 9:22/mi
15K· 9.32 mi
1:29:11
Rank: #21415 (-783)
10K → 15K
32:02 | 10:19/mi
20K· 12.43 mi
2:01:47
Rank: #21470 (-55)
15K → 20K
32:36 | 10:30/mi
Half· 13.11 mi
2:09:09
Rank: #21575 (-105)
20K → Half
7:22 | 10:48/mi
25K· 15.53 mi
2:38:38
Rank: #22000 (-425)
Half → 25K
29:29 | 12:10/mi
30K· 18.64 mi
3:15:00
Rank: #21886 (+114)
25K → 30K
36:22 | 11:42/mi
20M
3:31:39
Rank: #21874 (+12)
30K → 20M
16:39 | 12:15/mi
21M
3:45:40
Rank: #21912 (-38)
20M → 21M
14:01 | 14:01/mi
35K· 21.75 mi
3:54:26
Rank: #21881 (+31)
21M → 35K
8:46 | 11:43/mi
23M
4:09:36
Rank: #21820 (+61)
35K → 23M
15:10 | 12:07/mi
24M
4:19:50
Rank: #21637 (+183)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:30:39
Rank: #21656 (-19)
24M → 40K
10:49 | 12:39/mi
25.2M
4:35:04
Rank: #21624 (+32)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:46:04
Rank: #21583 (+41)
25.2M → Finish
11:00 | 10:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:09
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:36:55
Pace11:58 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:5928:049:0228:04
9:02
-
10K
6.21 mi11:30:0457:099:1229:05
9:22
+0:20
15K
9.32 mi12:02:061:29:119:3432:02
10:19
+0:57
20K
12.43 mi12:34:422:01:479:4832:36
10:30
+0:11
Half
13.11 mi12:42:042:09:099:517:22
10:48
+0:18
25K
15.53 mi13:11:332:38:3810:1329:29
12:10
+1:22
30K
18.64 mi13:47:553:15:0010:2836:22
11:42
-0:28
20M
20.00 mi14:04:343:31:3910:3516:39
12:15
+0:33
21M
21.00 mi14:18:353:45:4010:4514:01
14:01
+1:46
35K
21.75 mi14:27:213:54:2610:478:46
11:43
-2:18
23M
23.00 mi14:42:314:09:3610:5115:10
12:07
+0:24
24M
24.00 mi14:52:454:19:5010:5010:14
10:14
-1:53
40K
24.85 mi15:03:344:30:3910:5310:49
12:39
+2:25
25.2M
25.20 mi15:07:594:35:0410:554:25
12:48
+0:09
Finish
26.22 mi15:18:594:46:0410:5511:00
10:48
-2:00

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

9:02 /mi

Average Pace

10:55 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:23

53% of race

Time at Steady Pace

1:46:26

37% of race

Time at Slower Pace

29:15

10% of race

Average Pace: 10:55 /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 mi11:00:5928:049:0228:04
9:02
#20226
10K
6.21 mi11:30:0457:099:1229:05
9:22
#20632
15K
9.32 mi12:02:061:29:119:3432:02
10:19
#21415
20K
12.43 mi12:34:422:01:479:4832:36
10:30
#21470
Half
13.11 mi12:42:042:09:099:517:22
10:48
#21575
25K
15.53 mi13:11:332:38:3810:1329:29
12:10
#22000
30K
18.64 mi13:47:553:15:0010:2836:22
11:42
#21886
20M
20.00 mi14:04:343:31:3910:3516:39
12:15
#21874
21M
21.00 mi14:18:353:45:4010:4514:01
14:01
#21912
35K
21.75 mi14:27:213:54:2610:478:46
11:43
#21881
23M
23.00 mi14:42:314:09:3610:5115:10
12:07
#21820
24M
24.00 mi14:52:454:19:5010:5010:14
10:14
#21637
40K
24.85 mi15:03:344:30:3910:5310:49
12:39
#21656
25.2M
25.20 mi15:07:594:35:0410:554:25
12:48
#21624
Finish
26.22 mi15:18:594:46:0410:5511:00
10:48
#21583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi202267997799722563(Top 88%)9187(Top 84%)9187(Top 1673%)
10K6.21 mi3.10 mi20632-4068186-1898186-18920980(Top 82%)8362(Top 77%)8362(Top 1523%)
15K9.32 mi3.11 mi21415-7838594-4088594-40822563(Top 88%)9187(Top 84%)9187(Top 1673%)
20K12.43 mi3.11 mi21470-558617-238617-2321654(Top 85%)8715(Top 80%)8715(Top 1587%)
Half13.11 mi0.68 mi21575-1058683-668683-6623219(Top 91%)9618(Top 88%)9618(Top 1752%)
25K15.53 mi2.42 mi22000-4258931-2488931-24823350(Top 91%)9727(Top 89%)9727(Top 1772%)
30K18.64 mi3.11 mi21886+1148909+228909+2221430(Top 84%)8863(Top 81%)8863(Top 1614%)
20M20.00 mi1.36 mi21874+128926-178926-1721774(Top 85%)9143(Top 84%)9143(Top 1665%)
21M21.00 mi1.00 mi21912-388961-358961-3522360(Top 88%)9474(Top 87%)9474(Top 1726%)
35K21.75 mi0.75 mi21881+318962-18962-121300(Top 83%)8996(Top 82%)8996(Top 1639%)
23M23.00 mi1.25 mi21820+618955+78955+720980(Top 82%)8880(Top 81%)8880(Top 1617%)
24M24.00 mi1.00 mi21637+1838887+688887+6817104(Top 67%)7007(Top 64%)7007(Top 1276%)
40K24.85 mi0.85 mi21656-198919-328919-3221678(Top 85%)9308(Top 85%)9308(Top 1695%)
25.2M25.20 mi0.35 mi21624+328908+118908+1119279(Top 75%)8161(Top 75%)8161(Top 1487%)
Finish26.22 mi1.02 mi21583+418903+58903+520825(Top 82%)8891(Top 81%)8891(Top 1619%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22563

Females

9187

F60-64

9187

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

20980

Females

8362

F60-64

8362

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22563

Females

9187

F60-64

9187

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

21654

Females

8715

F60-64

8715

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

23219

Females

9618

F60-64

9618

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

23350

Females

9727

F60-64

9727

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

21430

Females

8863

F60-64

8863

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

21774

Females

9143

F60-64

9143

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

22360

Females

9474

F60-64

9474

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

21300

Females

8996

F60-64

8996

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

20980

Females

8880

F60-64

8880

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17104

Females

7007

F60-64

7007

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21678

Females

9308

F60-64

9308

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19279

Females

8161

F60-64

8161

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

20825

Females

8891

F60-64

8891

Passing Analysis

Category:
Athletes Passed
1238
Passed By
2595
Net Change
-1357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20226
5K → 10K132538-406#20226#20632
10K → 15K46829-783#20632#21415
15K → 20K171226-55#21415#21470
20K → Half14119-105#21470#21575
Half → 25K44469-425#21575#22000
25K → 30K228114+114#22000#21886
30K → 20M7967+12#21886#21874
20M → 21M4381-38#21874#21912
21M → 35K5726+31#21912#21881
35K → 23M10140+61#21881#21820
23M → 24M1830+183#21820#21637
24M → 40K3756-19#21637#21656
40K → 25.2M375+32#21656#21624
25.2M → Finish6625+41#21624#21583
TOTALS12382595-1357
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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