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BOSTON MARATHON 2023

Rita Krantz

Bib: 14773•F

OR

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #13834
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
49:01
Rank: #13506 (+328)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:13:06
Rank: #13072 (+434)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:38:14
Rank: #13365 (-293)
15K → 20K
25:08 | 8:05/mi
Half· 13.11 mi
1:43:46
Rank: #13444 (-79)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:04:23
Rank: #13927 (-483)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:31:20
Rank: #14235 (-308)
25K → 30K
26:57 | 8:40/mi
20M
2:43:18
Rank: #14322 (-87)
30K → 20M
11:58 | 8:48/mi
21M
2:53:14
Rank: #14541 (-219)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
2:59:44
Rank: #14609 (-68)
21M → 35K
6:30 | 8:41/mi
23M
3:10:55
Rank: #14674 (-65)
35K → 23M
11:11 | 8:56/mi
24M
3:19:38
Rank: #14705 (-31)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:27:06
Rank: #14675 (+30)
24M → 40K
7:28 | 8:44/mi
25.2M
3:30:26
Rank: #14680 (-5)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:38:05
Rank: #14450 (+230)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:54:19
Pace8:43 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0324:467:5824:46
7:58
-
10K
6.21 mi11:18:1849:017:5324:15
7:48
-0:10
15K
9.32 mi11:42:231:13:067:5124:05
7:45
-0:03
20K
12.43 mi12:07:311:38:147:5425:08
8:05
+0:20
Half
13.11 mi12:13:031:43:467:555:32
8:07
+0:02
25K
15.53 mi12:33:402:04:238:0020:37
8:30
+0:23
30K
18.64 mi13:00:372:31:208:0726:57
8:40
+0:10
20M
20.00 mi13:12:352:43:188:1011:58
8:48
+0:08
21M
21.00 mi13:22:312:53:148:159:56
9:56
+1:08
35K
21.75 mi13:29:012:59:448:166:30
8:41
-1:15
23M
23.00 mi13:40:123:10:558:1811:11
8:56
+0:15
24M
24.00 mi13:48:553:19:388:198:43
8:43
-0:13
40K
24.85 mi13:56:233:27:068:207:28
8:44
+0:01
25.2M
25.20 mi13:59:433:30:268:213:20
9:40
+0:56
Finish
26.22 mi14:07:223:38:058:197:39
7:30
-2:10

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

7:30 /mi

Average Pace

8:19 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:25

51% of race

Time at Steady Pace

1:33:24

43% of race

Time at Slower Pace

13:16

6% of race

Average Pace: 8:19 /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 mi10:54:0324:467:5824:46
7:58
#13834
10K
6.21 mi11:18:1849:017:5324:15
7:48
#13506
15K
9.32 mi11:42:231:13:067:5124:05
7:45
#13072
20K
12.43 mi12:07:311:38:147:5425:08
8:05
#13365
Half
13.11 mi12:13:031:43:467:555:32
8:07
#13444
25K
15.53 mi12:33:402:04:238:0020:37
8:30
#13927
30K
18.64 mi13:00:372:31:208:0726:57
8:40
#14235
20M
20.00 mi13:12:352:43:188:1011:58
8:48
#14322
21M
21.00 mi13:22:312:53:148:159:56
9:56
#14541
35K
21.75 mi13:29:012:59:448:166:30
8:41
#14609
23M
23.00 mi13:40:123:10:558:1811:11
8:56
#14674
24M
24.00 mi13:48:553:19:388:198:43
8:43
#14705
40K
24.85 mi13:56:233:27:068:207:28
8:44
#14675
25.2M
25.20 mi13:59:433:30:268:213:20
9:40
#14680
Finish
26.22 mi14:07:223:38:058:197:39
7:30
#14450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138343922392212339(Top 46%)3106(Top 27%)3106(Top 64%)
10K6.21 mi3.10 mi13506+3283742+1803742+18013195(Top 50%)3550(Top 31%)3550(Top 73%)
15K9.32 mi3.11 mi13072+4343506+2363506+23612339(Top 46%)3106(Top 27%)3106(Top 64%)
20K12.43 mi3.11 mi13365-2933702-1963702-19614171(Top 53%)4207(Top 37%)4207(Top 86%)
Half13.11 mi0.68 mi13444-793749-473749-4715237(Top 57%)4822(Top 42%)4822(Top 99%)
25K15.53 mi2.42 mi13927-4834070-3214070-32116218(Top 61%)5565(Top 49%)5565(Top 114%)
30K18.64 mi3.11 mi14235-3084288-2184288-21815357(Top 58%)5143(Top 45%)5143(Top 105%)
20M20.00 mi1.36 mi14322-874375-874375-8715463(Top 58%)5249(Top 46%)5249(Top 107%)
21M21.00 mi1.00 mi14541-2194517-1424517-14217784(Top 67%)6623(Top 58%)6623(Top 136%)
35K21.75 mi0.75 mi14609-684569-524569-5216353(Top 61%)5902(Top 52%)5902(Top 121%)
23M23.00 mi1.25 mi14674-654633-644633-6415702(Top 59%)5571(Top 49%)5571(Top 114%)
24M24.00 mi1.00 mi14705-314678-454678-4515759(Top 59%)5672(Top 50%)5672(Top 116%)
40K24.85 mi0.85 mi14675+304686-84686-814733(Top 55%)5146(Top 45%)5146(Top 105%)
25.2M25.20 mi0.35 mi14680-54697-114697-1115976(Top 60%)5840(Top 51%)5840(Top 120%)
Finish26.22 mi1.02 mi14450+2304572+1254572+1258656(Top 33%)2106(Top 18%)2106(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12339

Females

3106

F18-39

3106

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13195

Females

3550

F18-39

3550

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12339

Females

3106

F18-39

3106

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14171

Females

4207

F18-39

4207

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15237

Females

4822

F18-39

4822

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16218

Females

5565

F18-39

5565

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15357

Females

5143

F18-39

5143

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15463

Females

5249

F18-39

5249

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17784

Females

6623

F18-39

6623

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16353

Females

5902

F18-39

5902

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15702

Females

5571

F18-39

5571

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15759

Females

5672

F18-39

5672

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14733

Females

5146

F18-39

5146

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15976

Females

5840

F18-39

5840

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8656

Females

2106

F18-39

2106

Passing Analysis

Category:
Athletes Passed
1796
Passed By
2412
Net Change
-616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13834
5K → 10K494166+328#13834#13506
10K → 15K49056+434#13506#13072
15K → 20K99392-293#13072#13365
20K → Half1392-79#13365#13444
Half → 25K45528-483#13444#13927
25K → 30K105413-308#13927#14235
30K → 20M55142-87#14235#14322
20M → 21M27246-219#14322#14541
21M → 35K2593-68#14541#14609
35K → 23M56121-65#14609#14674
23M → 24M5889-31#14674#14705
24M → 40K7545+30#14705#14675
40K → 25.2M2227-5#14675#14680
25.2M → Finish2322+230#14680#14450
TOTALS17962412-616
📊

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