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BOSTON MARATHON 2023

Valerie Richter

Bib: 11579•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #8732
Start → 5K
7:23/mi
22:57 split
10K· 6.21 mi
44:32
Rank: #7549 (+1183)
5K → 10K
6:57/mi
21:35 split
15K· 9.32 mi
1:05:54
Rank: #6915 (+634)
10K → 15K
6:53/mi
21:22 split
20K· 12.43 mi
1:27:09
Rank: #6425 (+490)
15K → 20K
6:50/mi
21:15 split
Half· 13.11 mi
1:31:45
Rank: #6356 (+69)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:48:11
Rank: #5999 (+357)
Half → 25K
6:47/mi
16:26 split
30K· 18.64 mi
2:09:33
Rank: #5529 (+470)
25K → 30K
6:53/mi
21:22 split
20M
2:18:40
Rank: #5251 (+278)
30K → 20M
6:43/mi
9:07 split
21M
2:25:45
Rank: #5026 (+225)
20M → 21M
7:05/mi
7:05 split
35K· 21.75 mi
2:30:30
Rank: #4872 (+154)
21M → 35K
6:21/mi
4:45 split
23M
2:38:40
Rank: #4578 (+294)
35K → 23M
6:31/mi
8:10 split
24M
2:45:05
Rank: #4405 (+173)
23M → 24M
6:25/mi
6:25 split
40K· 24.85 mi
2:50:33
Rank: #4208 (+197)
24M → 40K
6:24/mi
5:28 split
25.2M
2:52:54
Rank: #4133 (+75)
40K → 25.2M
6:49/mi
2:21 split
Finish· 26.22 mi
2:59:09
Rank: #3909 (+224)
25.2M → Finish
6:08/mi
6:15 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
📊Negative Split: 4.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2122:577:2322:57
7:23
-
10K
6.21 mi11:11:5644:327:1021:35
6:57
-0:26
15K
9.32 mi11:33:181:05:547:0421:22
6:53
-0:04
20K
12.43 mi11:54:331:27:097:0121:15
6:50
-0:03
Half
13.11 mi11:59:091:31:457:004:36
6:45
-0:05
25K
15.53 mi12:15:351:48:116:5816:26
6:47
+0:02
30K
18.64 mi12:36:572:09:336:5721:22
6:53
+0:06
20M
20.00 mi12:46:042:18:406:569:07
6:43
-0:10
21M
21.00 mi12:53:092:25:456:567:05
7:05
+0:22
35K
21.75 mi12:57:542:30:306:554:45
6:21
-0:44
23M
23.00 mi13:06:042:38:406:548:10
6:31
+0:10
24M
24.00 mi13:12:292:45:056:536:25
6:25
-0:06
40K
24.85 mi13:17:572:50:336:525:28
6:24
-0:01
25.2M
25.20 mi13:20:182:52:546:522:21
6:49
+0:25
Finish
26.22 mi13:26:332:59:096:506:15
6:08
-0:41

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

6:08 /mi

Average Pace

6:50 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:03

17% of race

Time at Steady Pace

1:36:29

54% of race

Time at Slower Pace

51:37

29% of race

Average Pace: 6:50 /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 mi10:50:2122:577:2322:57
7:23
#8732
10K
6.21 mi11:11:5644:327:1021:35
6:57
#7549
15K
9.32 mi11:33:181:05:547:0421:22
6:53
#6915
20K
12.43 mi11:54:331:27:097:0121:15
6:50
#6425
Half
13.11 mi11:59:091:31:457:004:36
6:45
#6356
25K
15.53 mi12:15:351:48:116:5816:26
6:47
#5999
30K
18.64 mi12:36:572:09:336:5721:22
6:53
#5529
20M
20.00 mi12:46:042:18:406:569:07
6:43
#5251
21M
21.00 mi12:53:092:25:456:567:05
7:05
#5026
35K
21.75 mi12:57:542:30:306:554:45
6:21
#4872
23M
23.00 mi13:06:042:38:406:548:10
6:31
#4578
24M
24.00 mi13:12:292:45:056:536:25
6:25
#4405
40K
24.85 mi13:17:572:50:336:525:28
6:24
#4208
25.2M
25.20 mi13:20:182:52:546:522:21
6:49
#4133
Finish
26.22 mi13:26:332:59:096:506:15
6:08
#3909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8732128212825798(Top 22%)481(Top 4%)481(Top 10%)
10K6.21 mi3.10 mi7549+1183866+416866+4166470(Top 24%)631(Top 6%)631(Top 13%)
15K9.32 mi3.11 mi6915+634713+153713+1535798(Top 22%)481(Top 4%)481(Top 10%)
20K12.43 mi3.11 mi6425+490614+99614+994830(Top 18%)339(Top 3%)339(Top 7%)
Half13.11 mi0.68 mi6356+69600+14600+144845(Top 18%)339(Top 3%)339(Top 7%)
25K15.53 mi2.42 mi5999+357512+88512+883971(Top 15%)239(Top 2%)239(Top 5%)
30K18.64 mi3.11 mi5529+470435+77435+773522(Top 13%)209(Top 2%)209(Top 4%)
20M20.00 mi1.36 mi5251+278396+39396+392343(Top 9%)122(Top 1%)122(Top 2%)
21M21.00 mi1.00 mi5026+225370+26370+262582(Top 10%)148(Top 1%)148(Top 3%)
35K21.75 mi0.75 mi4872+154344+26344+261802(Top 7%)93(Top 0.8%)93(Top 2%)
23M23.00 mi1.25 mi4578+294311+33311+331533(Top 6%)77(Top 0.7%)77(Top 2%)
24M24.00 mi1.00 mi4405+173289+22289+221777(Top 7%)102(Top 0.9%)102(Top 2%)
40K24.85 mi0.85 mi4208+197270+19270+191213(Top 5%)72(Top 0.6%)72(Top 1%)
25.2M25.20 mi0.35 mi4133+75262+8262+81254(Top 5%)66(Top 0.6%)66(Top 1%)
Finish26.22 mi1.02 mi3909+224241+21241+211107(Top 4%)54(Top 0.5%)54(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5798

Females

481

F18-39

481

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6470

Females

631

F18-39

631

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5798

Females

481

F18-39

481

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4830

Females

339

F18-39

339

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4845

Females

339

F18-39

339

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

3971

Females

239

F18-39

239

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3522

Females

209

F18-39

209

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2343

Females

122

F18-39

122

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2582

Females

148

F18-39

148

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1802

Females

93

F18-39

93

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1533

Females

77

F18-39

77

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1777

Females

102

F18-39

102

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1213

Females

72

F18-39

72

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1254

Females

66

F18-39

66

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1107

Females

54

F18-39

54

Passing Analysis

Category:
Athletes Passed
4848
Passed By
25
Net Change
+4823
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8732
5K → 10K119613+1183#8732#7549
10K → 15K6395+634#7549#6915
15K → 20K4900+490#6915#6425
20K → Half712+69#6425#6356
Half → 25K3570+357#6356#5999
25K → 30K4744+470#5999#5529
30K → 20M2780+278#5529#5251
20M → 21M2250+225#5251#5026
21M → 35K1540+154#5026#4872
35K → 23M2940+294#4872#4578
23M → 24M1730+173#4578#4405
24M → 40K1970+197#4405#4208
40K → 25.2M750+75#4208#4133
25.2M → Finish2251+224#4133#3909
TOTALS484825+4823
📊

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