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BOSTON MARATHON 2023

Natasha Richards-Kamara

Bib: 27796•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:21
Rank: #23667
Start → 5K
31:21 | 10:05/mi
10K· 6.21 mi
1:03:28
Rank: #24095 (-428)
5K → 10K
32:07 | 10:20/mi
15K· 9.32 mi
1:35:02
Rank: #24004 (+91)
10K → 15K
31:34 | 10:10/mi
20K· 12.43 mi
2:08:21
Rank: #24075 (-71)
15K → 20K
33:19 | 10:43/mi
Half· 13.11 mi
2:15:34
Rank: #24081 (-6)
20K → Half
7:13 | 10:35/mi
25K· 15.53 mi
2:42:26
Rank: #24089 (-8)
Half → 25K
26:52 | 11:05/mi
30K· 18.64 mi
3:19:21
Rank: #24155 (-66)
25K → 30K
36:55 | 11:53/mi
20M
3:37:13
Rank: #24301 (-146)
30K → 20M
17:52 | 13:09/mi
21M
3:49:59
Rank: #24268 (+33)
20M → 21M
12:46 | 12:46/mi
35K· 21.75 mi
3:58:37
Rank: #24265 (+3)
21M → 35K
8:38 | 11:32/mi
23M
4:13:40
Rank: #24276 (-11)
35K → 23M
15:03 | 12:01/mi
24M
4:25:21
Rank: #24272 (+4)
23M → 24M
11:41 | 11:41/mi
40K· 24.85 mi
4:35:11
Rank: #24242 (+30)
24M → 40K
9:50 | 11:30/mi
25.2M
4:39:51
Rank: #24250 (-8)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:51:28
Rank: #24277 (-27)
25.2M → Finish
11:37 | 11:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:34
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:35:54
Pace11:54 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5531:2110:0531:21
10:05
-
10K
6.21 mi12:27:021:03:2810:1332:07
10:20
+0:15
15K
9.32 mi12:58:361:35:0210:1231:34
10:10
-0:10
20K
12.43 mi13:31:552:08:2110:2033:19
10:43
+0:33
Half
13.11 mi13:39:082:15:3410:207:13
10:35
-0:08
25K
15.53 mi14:06:002:42:2610:2726:52
11:05
+0:30
30K
18.64 mi14:42:553:19:2110:4236:55
11:53
+0:48
20M
20.00 mi15:00:473:37:1310:5217:52
13:09
+1:16
21M
21.00 mi15:13:333:49:5910:5712:46
12:46
-0:23
35K
21.75 mi15:22:113:58:3710:588:38
11:32
-1:14
23M
23.00 mi15:37:144:13:4011:0215:03
12:01
+0:29
24M
24.00 mi15:48:554:25:2111:0311:41
11:41
-0:20
40K
24.85 mi15:58:454:35:1111:049:50
11:30
-0:11
25.2M
25.20 mi16:03:254:39:5111:064:40
13:32
+2:02
Finish
26.22 mi16:15:024:51:2811:0711:37
11:24
-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

10:05 /mi

Average Pace

11:07 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:34

47% of race

Time at Steady Pace

1:45:33

36% of race

Time at Slower Pace

50:21

17% of race

Average Pace: 11:07 /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 mi11:54:5531:2110:0531:21
10:05
#23667
10K
6.21 mi12:27:021:03:2810:1332:07
10:20
#24095
15K
9.32 mi12:58:361:35:0210:1231:34
10:10
#24004
20K
12.43 mi13:31:552:08:2110:2033:19
10:43
#24075
Half
13.11 mi13:39:082:15:3410:207:13
10:35
#24081
25K
15.53 mi14:06:002:42:2610:2726:52
11:05
#24089
30K
18.64 mi14:42:553:19:2110:4236:55
11:53
#24155
20M
20.00 mi15:00:473:37:1310:5217:52
13:09
#24301
21M
21.00 mi15:13:333:49:5910:5712:46
12:46
#24268
35K
21.75 mi15:22:113:58:3710:588:38
11:32
#24265
23M
23.00 mi15:37:144:13:4011:0215:03
12:01
#24276
24M
24.00 mi15:48:554:25:2111:0311:41
11:41
#24272
40K
24.85 mi15:58:454:35:1111:049:50
11:30
#24242
25.2M
25.20 mi16:03:254:39:5111:064:40
13:32
#24250
Finish
26.22 mi16:15:024:51:2811:0711:37
11:24
#24277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi236679736973623806(Top 89%)9785(Top 86%)9785(Top 521%)
10K6.21 mi3.10 mi24095-4289946-2109946-21024369(Top 92%)10100(Top 88%)10100(Top 538%)
15K9.32 mi3.11 mi24004+919894+529894+5223806(Top 89%)9785(Top 86%)9785(Top 521%)
20K12.43 mi3.11 mi24075-719936-429936-4224215(Top 91%)10041(Top 88%)10041(Top 535%)
Half13.11 mi0.68 mi24081-69945-99945-924354(Top 91%)10131(Top 89%)10131(Top 539%)
25K15.53 mi2.42 mi24089-89957-129957-1224095(Top 91%)10004(Top 88%)10004(Top 533%)
30K18.64 mi3.11 mi24155-6610009-5210009-5224360(Top 92%)10197(Top 89%)10197(Top 543%)
20M20.00 mi1.36 mi24301-14610106-9710106-9725288(Top 95%)10749(Top 94%)10749(Top 572%)
21M21.00 mi1.00 mi24268+3310097+910097+923799(Top 89%)9985(Top 87%)9985(Top 532%)
35K21.75 mi0.75 mi24265+310105-810105-824168(Top 91%)10215(Top 89%)10215(Top 544%)
23M23.00 mi1.25 mi24276-1110115-1010115-1024049(Top 90%)10157(Top 89%)10157(Top 541%)
24M24.00 mi1.00 mi24272+410120-510120-524115(Top 91%)10222(Top 89%)10222(Top 544%)
40K24.85 mi0.85 mi24242+3010103+1710103+1723217(Top 87%)9780(Top 86%)9780(Top 521%)
25.2M25.20 mi0.35 mi24250-810112-910112-924564(Top 92%)10464(Top 92%)10464(Top 557%)
Finish26.22 mi1.02 mi24277-2710132-2010132-2024562(Top 92%)10438(Top 91%)10438(Top 556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23806

Females

9785

F40-44

9785

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24369

Females

10100

F40-44

10100

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23806

Females

9785

F40-44

9785

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24215

Females

10041

F40-44

10041

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24354

Females

10131

F40-44

10131

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24095

Females

10004

F40-44

10004

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24360

Females

10197

F40-44

10197

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

25288

Females

10749

F40-44

10749

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23799

Females

9985

F40-44

9985

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24168

Females

10215

F40-44

10215

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24049

Females

10157

F40-44

10157

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24115

Females

10222

F40-44

10222

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23217

Females

9780

F40-44

9780

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24564

Females

10464

F40-44

10464

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24562

Females

10438

F40-44

10438

Passing Analysis

Category:
Athletes Passed
732
Passed By
1342
Net Change
-610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23667
5K → 10K48476-428#23667#24095
10K → 15K17483+91#24095#24004
15K → 20K85156-71#24004#24075
20K → Half1925-6#24075#24081
Half → 25K99107-8#24081#24089
25K → 30K83149-66#24089#24155
30K → 20M16162-146#24155#24301
20M → 21M6027+33#24301#24268
21M → 35K2421+3#24268#24265
35K → 23M2839-11#24265#24276
23M → 24M3228+4#24276#24272
24M → 40K4010+30#24272#24242
40K → 25.2M917-8#24242#24250
25.2M → Finish1542-27#24250#24277
TOTALS7321342-610
📊

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