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BOSTON MARATHON 2023

Natasha Vance

Bib: 29983•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:18
Rank: #24466
Start → 5K
32:18 | 10:24/mi
10K· 6.21 mi
1:03:58
Rank: #24253 (+213)
5K → 10K
31:40 | 10:12/mi
15K· 9.32 mi
1:34:19
Rank: #23835 (+418)
10K → 15K
30:21 | 9:46/mi
20K· 12.43 mi
2:05:18
Rank: #23604 (+231)
15K → 20K
30:59 | 9:58/mi
Half· 13.11 mi
2:12:10
Rank: #23602 (+2)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:37:43
Rank: #23512 (+90)
Half → 25K
25:33 | 10:32/mi
30K· 18.64 mi
3:11:30
Rank: #23380 (+132)
25K → 30K
33:47 | 10:52/mi
20M
3:26:36
Rank: #23345 (+35)
30K → 20M
15:06 | 11:07/mi
21M
3:38:34
Rank: #23321 (+24)
20M → 21M
11:58 | 11:58/mi
35K· 21.75 mi
3:46:33
Rank: #23285 (+36)
21M → 35K
7:59 | 10:40/mi
23M
4:01:35
Rank: #23353 (-68)
35K → 23M
15:02 | 12:00/mi
24M
4:12:20
Rank: #23327 (+26)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:22:34
Rank: #23348 (-21)
24M → 40K
10:14 | 11:58/mi
25.2M
4:26:56
Rank: #23353 (-5)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:37:40
Rank: #23345 (+8)
25.2M → Finish
10:44 | 10:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:10
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:25:30
Pace11:06 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4932:1810:2432:18
10:24
-
10K
6.21 mi12:25:291:03:5810:1831:40
10:12
-0:12
15K
9.32 mi12:55:501:34:1910:0730:21
9:46
-0:26
20K
12.43 mi13:26:492:05:1810:0530:59
9:58
+0:12
Half
13.11 mi13:33:412:12:1010:056:52
10:04
+0:06
25K
15.53 mi13:59:142:37:4310:0925:33
10:32
+0:28
30K
18.64 mi14:33:013:11:3010:1633:47
10:52
+0:20
20M
20.00 mi14:48:073:26:3610:2015:06
11:07
+0:15
21M
21.00 mi15:00:053:38:3410:2411:58
11:58
+0:51
35K
21.75 mi15:08:043:46:3310:257:59
10:40
-1:18
23M
23.00 mi15:23:064:01:3510:3015:02
12:00
+1:20
24M
24.00 mi15:33:514:12:2010:3110:45
10:45
-1:15
40K
24.85 mi15:44:054:22:3410:3410:14
11:58
+1:13
25.2M
25.20 mi15:48:274:26:5610:364:22
12:40
+0:42
Finish
26.22 mi15:59:114:37:4010:3610:44
10:32
-2:08

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

9:46 /mi

Average Pace

10:36 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:52

36% of race

Time at Steady Pace

2:01:06

44% of race

Time at Slower Pace

56:42

20% of race

Average Pace: 10:35 /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 mi11:53:4932:1810:2432:18
10:24
#24466
10K
6.21 mi12:25:291:03:5810:1831:40
10:12
#24253
15K
9.32 mi12:55:501:34:1910:0730:21
9:46
#23835
20K
12.43 mi13:26:492:05:1810:0530:59
9:58
#23604
Half
13.11 mi13:33:412:12:1010:056:52
10:04
#23602
25K
15.53 mi13:59:142:37:4310:0925:33
10:32
#23512
30K
18.64 mi14:33:013:11:3010:1633:47
10:52
#23380
20M
20.00 mi14:48:073:26:3610:2015:06
11:07
#23345
21M
21.00 mi15:00:053:38:3410:2411:58
11:58
#23321
35K
21.75 mi15:08:043:46:3310:257:59
10:40
#23285
23M
23.00 mi15:23:064:01:3510:3015:02
12:00
#23353
24M
24.00 mi15:33:514:12:2010:3110:45
10:45
#23327
40K
24.85 mi15:44:054:22:3410:3410:14
11:58
#23348
25.2M
25.20 mi15:48:274:26:5610:364:22
12:40
#23353
Finish
26.22 mi15:59:114:37:4010:3610:44
10:32
#23345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi24466101341013422972(Top 86%)9329(Top 82%)9329(Top 773%)
10K6.21 mi3.10 mi24253+21310024+11010024+11024117(Top 91%)9951(Top 87%)9951(Top 824%)
15K9.32 mi3.11 mi23835+4189801+2239801+22322972(Top 86%)9329(Top 82%)9329(Top 773%)
20K12.43 mi3.11 mi23604+2319667+1349667+13422849(Top 86%)9272(Top 81%)9272(Top 768%)
Half13.11 mi0.68 mi23602+29663+49663+423421(Top 88%)9588(Top 84%)9588(Top 794%)
25K15.53 mi2.42 mi23512+909627+369627+3623259(Top 87%)9531(Top 83%)9531(Top 790%)
30K18.64 mi3.11 mi23380+1329581+469581+4622909(Top 86%)9413(Top 82%)9413(Top 780%)
20M20.00 mi1.36 mi23345+359569+129569+1222895(Top 86%)9457(Top 83%)9457(Top 784%)
21M21.00 mi1.00 mi23321+249568+19568+122712(Top 85%)9397(Top 82%)9397(Top 779%)
35K21.75 mi0.75 mi23285+369557+119557+1122717(Top 85%)9435(Top 83%)9435(Top 782%)
23M23.00 mi1.25 mi23353-689606-499606-4924013(Top 90%)10132(Top 89%)10132(Top 839%)
24M24.00 mi1.00 mi23327+269599+79599+722578(Top 85%)9405(Top 82%)9405(Top 779%)
40K24.85 mi0.85 mi23348-219623-249623-2423863(Top 90%)10112(Top 89%)10112(Top 838%)
25.2M25.20 mi0.35 mi23353-59632-99632-923545(Top 88%)9951(Top 87%)9951(Top 824%)
Finish26.22 mi1.02 mi23345+89634-29634-223077(Top 87%)9686(Top 85%)9686(Top 802%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22972

Females

9329

F50-54

9329

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24117

Females

9951

F50-54

9951

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22972

Females

9329

F50-54

9329

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22849

Females

9272

F50-54

9272

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23421

Females

9588

F50-54

9588

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23259

Females

9531

F50-54

9531

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22909

Females

9413

F50-54

9413

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22895

Females

9457

F50-54

9457

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22712

Females

9397

F50-54

9397

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22717

Females

9435

F50-54

9435

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24013

Females

10132

F50-54

10132

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22578

Females

9405

F50-54

9405

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23863

Females

10112

F50-54

10112

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23545

Females

9951

F50-54

9951

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23077

Females

9686

F50-54

9686

Passing Analysis

Category:
Athletes Passed
1666
Passed By
545
Net Change
+1121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24466
5K → 10K30693+213#24466#24253
10K → 15K43315+418#24253#23835
15K → 20K26029+231#23835#23604
20K → Half2523+2#23604#23602
Half → 25K13646+90#23602#23512
25K → 30K17846+132#23512#23380
30K → 20M6126+35#23380#23345
20M → 21M6036+24#23345#23321
21M → 35K5014+36#23321#23285
35K → 23M2795-68#23285#23353
23M → 24M5024+26#23353#23327
24M → 40K2445-21#23327#23348
40K → 25.2M1924-5#23348#23353
25.2M → Finish3729+8#23353#23345
TOTALS1666545+1121
📊

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