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BOSTON MARATHON 2023

Virginia Calkins

Bib: 4786•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Female)
#0 / 11423
Top 0.9%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4264
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:30
Rank: #3773 (+491)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:02:19
Rank: #3881 (-108)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:23:12
Rank: #3828 (+53)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:27:44
Rank: #3816 (+12)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:54
Rank: #3672 (+144)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:04:50
Rank: #3413 (+259)
25K → 30K
20:56 | 6:44/mi
20M
2:13:52
Rank: #3239 (+174)
30K → 20M
9:02 | 6:39/mi
21M
2:20:47
Rank: #3120 (+119)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:25:25
Rank: #2995 (+125)
21M → 35K
4:38 | 6:12/mi
23M
2:33:28
Rank: #2807 (+188)
35K → 23M
8:03 | 6:26/mi
24M
2:39:37
Rank: #2638 (+169)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:44:57
Rank: #2510 (+128)
24M → 40K
5:20 | 6:14/mi
25.2M
2:47:17
Rank: #2466 (+44)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:53:33
Rank: #2380 (+86)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:49
Pace6:33 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5621:006:4621:00
6:46
-
10K
6.21 mi10:43:2641:306:4120:30
6:36
-0:10
15K
9.32 mi11:04:151:02:196:4120:49
6:42
+0:06
20K
12.43 mi11:25:081:23:126:4220:53
6:43
+0:01
Half
13.11 mi11:29:401:27:446:424:32
6:39
-0:04
25K
15.53 mi11:45:501:43:546:4116:10
6:40
+0:01
30K
18.64 mi12:06:462:04:506:4220:56
6:44
+0:04
20M
20.00 mi12:15:482:13:526:429:02
6:39
-0:05
21M
21.00 mi12:22:432:20:476:426:55
6:55
+0:16
35K
21.75 mi12:27:212:25:256:414:38
6:12
-0:43
23M
23.00 mi12:35:242:33:286:408:03
6:26
+0:14
24M
24.00 mi12:41:332:39:376:396:09
6:09
-0:17
40K
24.85 mi12:46:532:44:576:385:20
6:14
+0:05
25.2M
25.20 mi12:49:132:47:176:382:20
6:46
+0:32
Finish
26.22 mi12:55:292:53:336:376:16
6:09
-0:37

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

6:09 /mi

Average Pace

6:37 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:18

83% of race

Time at Steady Pace

30:15

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:22:5621:006:4621:00
6:46
#4264
10K
6.21 mi10:43:2641:306:4120:30
6:36
#3773
15K
9.32 mi11:04:151:02:196:4120:49
6:42
#3881
20K
12.43 mi11:25:081:23:126:4220:53
6:43
#3828
Half
13.11 mi11:29:401:27:446:424:32
6:39
#3816
25K
15.53 mi11:45:501:43:546:4116:10
6:40
#3672
30K
18.64 mi12:06:462:04:506:4220:56
6:44
#3413
20M
20.00 mi12:15:482:13:526:429:02
6:39
#3239
21M
21.00 mi12:22:432:20:476:426:55
6:55
#3120
35K
21.75 mi12:27:212:25:256:414:38
6:12
#2995
23M
23.00 mi12:35:242:33:286:408:03
6:26
#2807
24M
24.00 mi12:41:332:39:376:396:09
6:09
#2638
40K
24.85 mi12:46:532:44:576:385:20
6:14
#2510
25.2M
25.20 mi12:49:132:47:176:382:20
6:46
#2466
Finish
26.22 mi12:55:292:53:336:376:16
6:09
#2380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi42642672674153(Top 16%)250(Top 2%)250(Top 5%)
10K6.21 mi3.10 mi3773+491214+53214+533502(Top 13%)183(Top 2%)183(Top 4%)
15K9.32 mi3.11 mi3881-108220-6220-64153(Top 16%)250(Top 2%)250(Top 5%)
20K12.43 mi3.11 mi3828+53210+10210+103757(Top 14%)204(Top 2%)204(Top 4%)
Half13.11 mi0.68 mi3816+12208+2208+23903(Top 15%)215(Top 2%)215(Top 4%)
25K15.53 mi2.42 mi3672+144198+10198+103148(Top 12%)145(Top 1%)145(Top 3%)
30K18.64 mi3.11 mi3413+259177+21177+212626(Top 10%)128(Top 1%)128(Top 3%)
20M20.00 mi1.36 mi3239+174161+16161+162090(Top 8%)97(Top 0.8%)97(Top 2%)
21M21.00 mi1.00 mi3120+119155+6155+61851(Top 7%)89(Top 0.8%)89(Top 2%)
35K21.75 mi0.75 mi2995+125141+14141+141260(Top 5%)62(Top 0.5%)62(Top 1%)
23M23.00 mi1.25 mi2807+188128+13128+131217(Top 5%)68(Top 0.6%)68(Top 1%)
24M24.00 mi1.00 mi2638+169117+11117+11900(Top 3%)48(Top 0.4%)48(Top 1.0%)
40K24.85 mi0.85 mi2510+128112+5112+5756(Top 3%)40(Top 0.4%)40(Top 0.8%)
25.2M25.20 mi0.35 mi2466+44110+2110+21121(Top 4%)60(Top 0.5%)60(Top 1%)
Finish26.22 mi1.02 mi2380+86105+5105+51148(Top 4%)56(Top 0.5%)56(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4153

Females

250

F18-39

250

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3502

Females

183

F18-39

183

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4153

Females

250

F18-39

250

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3757

Females

204

F18-39

204

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3903

Females

215

F18-39

215

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3148

Females

145

F18-39

145

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2626

Females

128

F18-39

128

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2090

Females

97

F18-39

97

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1851

Females

89

F18-39

89

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1260

Females

62

F18-39

62

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1217

Females

68

F18-39

68

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

900

Females

48

F18-39

48

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

756

Females

40

F18-39

40

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1121

Females

60

F18-39

60

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1148

Females

56

F18-39

56

Passing Analysis

Category:
Athletes Passed
2274
Passed By
390
Net Change
+1884
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4264
5K → 10K55160+491#4264#3773
10K → 15K64172-108#3773#3881
15K → 20K13986+53#3881#3828
20K → Half3119+12#3828#3816
Half → 25K16420+144#3816#3672
25K → 30K27011+259#3672#3413
30K → 20M1806+174#3413#3239
20M → 21M1223+119#3239#3120
21M → 35K1250+125#3120#2995
35K → 23M1902+188#2995#2807
23M → 24M1690+169#2807#2638
24M → 40K1280+128#2638#2510
40K → 25.2M440+44#2510#2466
25.2M → Finish9711+86#2466#2380
TOTALS2274390+1884
📊

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