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BOSTON MARATHON 2023

Michal Katz

Bib: 29309•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
32:31
Rank: #24617
Start → 5K
32:31 | 10:28/mi
10K· 6.21 mi
1:06:20
Rank: #25052 (-435)
5K → 10K
33:49 | 10:53/mi
15K· 9.32 mi
1:39:59
Rank: #25037 (+15)
10K → 15K
33:39 | 10:50/mi
20K· 12.43 mi
2:14:02
Rank: #24901 (+136)
15K → 20K
34:03 | 10:58/mi
Half· 13.11 mi
2:21:47
Rank: #24922 (-21)
20K → Half
7:45 | 11:22/mi
25K· 15.53 mi
2:51:12
Rank: #25044 (-122)
Half → 25K
29:25 | 12:08/mi
30K· 18.64 mi
3:28:00
Rank: #24927 (+117)
25K → 30K
36:48 | 11:51/mi
20M
3:43:57
Rank: #24832 (+95)
30K → 20M
15:57 | 11:44/mi
21M
3:56:42
Rank: #24787 (+45)
20M → 21M
12:45 | 12:45/mi
35K· 21.75 mi
4:05:33
Rank: #24782 (+5)
21M → 35K
8:51 | 11:50/mi
23M
4:19:49
Rank: #24700 (+82)
35K → 23M
14:16 | 11:24/mi
24M
4:31:07
Rank: #24665 (+35)
23M → 24M
11:18 | 11:18/mi
40K· 24.85 mi
4:40:42
Rank: #24598 (+67)
24M → 40K
9:35 | 11:13/mi
25.2M
4:44:42
Rank: #24569 (+29)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:55:28
Rank: #24533 (+36)
25.2M → Finish
10:46 | 10:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:47
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:33:41
Pace11:43 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0632:3110:2832:31
10:28
-
10K
6.21 mi12:31:551:06:2010:4133:49
10:53
+0:25
15K
9.32 mi13:05:341:39:5910:4433:39
10:50
-0:03
20K
12.43 mi13:39:372:14:0210:4734:03
10:58
+0:08
Half
13.11 mi13:47:222:21:4710:497:45
11:22
+0:24
25K
15.53 mi14:16:472:51:1211:0129:25
12:08
+0:46
30K
18.64 mi14:53:353:28:0011:0936:48
11:51
-0:17
20M
20.00 mi15:09:323:43:5711:1215:57
11:44
-0:07
21M
21.00 mi15:22:173:56:4211:1612:45
12:45
+1:01
35K
21.75 mi15:31:084:05:3311:178:51
11:50
-0:55
23M
23.00 mi15:45:244:19:4911:1814:16
11:24
-0:26
24M
24.00 mi15:56:424:31:0711:1811:18
11:18
-0:06
40K
24.85 mi16:06:174:40:4211:189:35
11:13
-0:05
25.2M
25.20 mi16:10:174:44:4211:184:00
11:36
+0:23
Finish
26.22 mi16:21:034:55:2811:1710:46
10:34
-1:02

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

10:28 /mi

Average Pace

11:17 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:48

49% of race

Time at Steady Pace

46:54

16% of race

Time at Slower Pace

1:43:46

35% of race

Average Pace: 11:16 /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 mi11:58:0632:3110:2832:31
10:28
#24617
10K
6.21 mi12:31:551:06:2010:4133:49
10:53
#25052
15K
9.32 mi13:05:341:39:5910:4433:39
10:50
#25037
20K
12.43 mi13:39:372:14:0210:4734:03
10:58
#24901
Half
13.11 mi13:47:222:21:4710:497:45
11:22
#24922
25K
15.53 mi14:16:472:51:1211:0129:25
12:08
#25044
30K
18.64 mi14:53:353:28:0011:0936:48
11:51
#24927
20M
20.00 mi15:09:323:43:5711:1215:57
11:44
#24832
21M
21.00 mi15:22:173:56:4211:1612:45
12:45
#24787
35K
21.75 mi15:31:084:05:3311:178:51
11:50
#24782
23M
23.00 mi15:45:244:19:4911:1814:16
11:24
#24700
24M
24.00 mi15:56:424:31:0711:1811:18
11:18
#24665
40K
24.85 mi16:06:174:40:4211:189:35
11:13
#24598
25.2M
25.20 mi16:10:174:44:4211:184:00
11:36
#24569
Finish
26.22 mi16:21:034:55:2811:1710:46
10:34
#24533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24617102261022624978(Top 94%)10447(Top 91%)10447(Top 214%)
10K6.21 mi3.10 mi25052-43510461-23510461-23525324(Top 95%)10622(Top 93%)10622(Top 217%)
15K9.32 mi3.11 mi25037+1510458+310458+324978(Top 94%)10447(Top 91%)10447(Top 214%)
20K12.43 mi3.11 mi24901+13610402+5610402+5624583(Top 92%)10248(Top 90%)10248(Top 210%)
Half13.11 mi0.68 mi24922-2110416-1410416-1425345(Top 95%)10693(Top 94%)10693(Top 219%)
25K15.53 mi2.42 mi25044-12210486-7010486-7025265(Top 95%)10664(Top 93%)10664(Top 218%)
30K18.64 mi3.11 mi24927+11710447+3910447+3924320(Top 91%)10177(Top 89%)10177(Top 208%)
20M20.00 mi1.36 mi24832+9510404+4310404+4323875(Top 90%)10009(Top 88%)10009(Top 205%)
21M21.00 mi1.00 mi24787+4510381+2310381+2323771(Top 89%)9969(Top 87%)9969(Top 204%)
35K21.75 mi0.75 mi24782+510383-210383-224511(Top 92%)10403(Top 91%)10403(Top 213%)
23M23.00 mi1.25 mi24700+8210347+3610347+3623074(Top 87%)9629(Top 84%)9629(Top 197%)
24M24.00 mi1.00 mi24665+3510339+810339+823599(Top 89%)9947(Top 87%)9947(Top 204%)
40K24.85 mi0.85 mi24598+6710309+3010309+3022764(Top 86%)9533(Top 83%)9533(Top 195%)
25.2M25.20 mi0.35 mi24569+2910298+1110298+1121804(Top 82%)9029(Top 79%)9029(Top 185%)
Finish26.22 mi1.02 mi24533+3610281+1710281+1723154(Top 87%)9724(Top 85%)9724(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

24978

Females

10447

F18-39

10447

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25324

Females

10622

F18-39

10622

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

24978

Females

10447

F18-39

10447

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24583

Females

10248

F18-39

10248

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25345

Females

10693

F18-39

10693

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25265

Females

10664

F18-39

10664

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24320

Females

10177

F18-39

10177

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23875

Females

10009

F18-39

10009

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23771

Females

9969

F18-39

9969

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24511

Females

10403

F18-39

10403

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23074

Females

9629

F18-39

9629

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23599

Females

9947

F18-39

9947

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22764

Females

9533

F18-39

9533

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21804

Females

9029

F18-39

9029

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23154

Females

9724

F18-39

9724

Passing Analysis

Category:
Athletes Passed
1006
Passed By
922
Net Change
+84
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24617
5K → 10K59494-435#24617#25052
10K → 15K118103+15#25052#25037
15K → 20K17741+136#25037#24901
20K → Half930-21#24901#24922
Half → 25K26148-122#24922#25044
25K → 30K15336+117#25044#24927
30K → 20M10510+95#24927#24832
20M → 21M549+45#24832#24787
21M → 35K1813+5#24787#24782
35K → 23M9412+82#24782#24700
23M → 24M4813+35#24700#24665
24M → 40K703+67#24665#24598
40K → 25.2M301+29#24598#24569
25.2M → Finish459+36#24569#24533
TOTALS1006922+84
📊

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