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BOSTON MARATHON 2023

Katherine Wuestenfeld

Bib: 14403•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:57
Rank: #11535
Start → 5K
23:57 | 7:43/mi
10K· 6.21 mi
47:18
Rank: #11023 (+512)
5K → 10K
23:21 | 7:31/mi
15K· 9.32 mi
1:10:34
Rank: #10680 (+343)
10K → 15K
23:16 | 7:29/mi
20K· 12.43 mi
1:34:05
Rank: #10445 (+235)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:39:09
Rank: #10401 (+44)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:26
Rank: #10144 (+257)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:22:11
Rank: #10196 (-52)
25K → 30K
24:45 | 7:58/mi
20M
2:33:24
Rank: #10318 (-122)
30K → 20M
11:13 | 8:15/mi
21M
2:41:39
Rank: #10200 (+118)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:47:35
Rank: #10246 (-46)
21M → 35K
5:56 | 7:56/mi
23M
2:57:57
Rank: #10306 (-60)
35K → 23M
10:22 | 8:17/mi
24M
3:06:02
Rank: #10357 (-51)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:13:04
Rank: #10385 (-28)
24M → 40K
7:02 | 8:14/mi
25.2M
3:16:05
Rank: #10379 (+6)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:24:06
Rank: #10390 (-11)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:44:57
Pace8:00 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2523:577:4323:57
7:43
-
10K
6.21 mi11:16:4647:187:3723:21
7:31
-0:12
15K
9.32 mi11:40:021:10:347:3423:16
7:29
-0:02
20K
12.43 mi12:03:331:34:057:3423:31
7:34
+0:05
Half
13.11 mi12:08:371:39:097:345:04
7:26
-0:08
25K
15.53 mi12:26:541:57:267:3418:17
7:32
+0:06
30K
18.64 mi12:51:392:22:117:3824:45
7:58
+0:26
20M
20.00 mi13:02:522:33:247:4011:13
8:15
+0:17
21M
21.00 mi13:11:072:41:397:428:15
8:15
0:00
35K
21.75 mi13:17:032:47:357:425:56
7:56
-0:19
23M
23.00 mi13:27:252:57:577:4410:22
8:17
+0:21
24M
24.00 mi13:35:303:06:027:458:05
8:05
-0:12
40K
24.85 mi13:42:323:13:047:467:02
8:14
+0:09
25.2M
25.20 mi13:45:333:16:057:473:01
8:45
+0:31
Finish
26.22 mi13:53:343:24:067:478:01
7:52
-0:53

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

7:26 /mi

Average Pace

7:47 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:13

80% of race

Time at Steady Pace

39:53

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:53:2523:577:4323:57
7:43
#11535
10K
6.21 mi11:16:4647:187:3723:21
7:31
#11023
15K
9.32 mi11:40:021:10:347:3423:16
7:29
#10680
20K
12.43 mi12:03:331:34:057:3423:31
7:34
#10445
Half
13.11 mi12:08:371:39:097:345:04
7:26
#10401
25K
15.53 mi12:26:541:57:267:3418:17
7:32
#10144
30K
18.64 mi12:51:392:22:117:3824:45
7:58
#10196
20M
20.00 mi13:02:522:33:247:4011:13
8:15
#10318
21M
21.00 mi13:11:072:41:397:428:15
8:15
#10200
35K
21.75 mi13:17:032:47:357:425:56
7:56
#10246
23M
23.00 mi13:27:252:57:577:4410:22
8:17
#10306
24M
24.00 mi13:35:303:06:027:458:05
8:05
#10357
40K
24.85 mi13:42:323:13:047:467:02
8:14
#10385
25.2M
25.20 mi13:45:333:16:057:473:01
8:45
#10379
Finish
26.22 mi13:53:343:24:067:478:01
7:52
#10390
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115352608260810106(Top 38%)1893(Top 17%)1893(Top 39%)
10K6.21 mi3.10 mi11023+5122340+2682340+26810582(Top 40%)2097(Top 18%)2097(Top 43%)
15K9.32 mi3.11 mi10680+3432160+1802160+18010106(Top 38%)1893(Top 17%)1893(Top 39%)
20K12.43 mi3.11 mi10445+2352041+1192041+1199867(Top 37%)1858(Top 16%)1858(Top 38%)
Half13.11 mi0.68 mi10401+442030+112030+119703(Top 36%)1774(Top 16%)1774(Top 36%)
25K15.53 mi2.42 mi10144+2571925+1051925+1059111(Top 34%)1604(Top 14%)1604(Top 33%)
30K18.64 mi3.11 mi10196-521991-661991-6610626(Top 40%)2457(Top 22%)2457(Top 50%)
20M20.00 mi1.36 mi10318-1222078-872078-8712009(Top 45%)3293(Top 29%)3293(Top 67%)
21M21.00 mi1.00 mi10200+1182044+342044+348957(Top 34%)1917(Top 17%)1917(Top 39%)
35K21.75 mi0.75 mi10246-462086-422086-4211621(Top 44%)3200(Top 28%)3200(Top 66%)
23M23.00 mi1.25 mi10306-602150-642150-6411752(Top 44%)3374(Top 30%)3374(Top 69%)
24M24.00 mi1.00 mi10357-512202-522202-5211830(Top 44%)3492(Top 31%)3492(Top 71%)
40K24.85 mi0.85 mi10385-282249-472249-4711553(Top 43%)3431(Top 30%)3431(Top 70%)
25.2M25.20 mi0.35 mi10379+62263-142263-1411052(Top 42%)3210(Top 28%)3210(Top 66%)
Finish26.22 mi1.02 mi10390-112291-282291-2811168(Top 42%)3274(Top 29%)3274(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10106

Females

1893

F18-39

1893

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10582

Females

2097

F18-39

2097

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10106

Females

1893

F18-39

1893

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9867

Females

1858

F18-39

1858

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9703

Females

1774

F18-39

1774

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9111

Females

1604

F18-39

1604

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10626

Females

2457

F18-39

2457

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12009

Females

3293

F18-39

3293

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8957

Females

1917

F18-39

1917

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11621

Females

3200

F18-39

3200

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11752

Females

3374

F18-39

3374

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11830

Females

3492

F18-39

3492

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11553

Females

3431

F18-39

3431

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11052

Females

3210

F18-39

3210

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11168

Females

3274

F18-39

3274

Passing Analysis

Category:
Athletes Passed
2291*
Passed By
1146
Net Change
+1145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11535
5K → 10K621109+512#11535#11023
10K → 15K39552+343#11023#10680
15K → 20K28954+235#10680#10445
20K → Half5410+44#10445#10401
Half → 25K28528+257#10401#10144
25K → 30K142*194-52#10144#10196
30K → 20M43*165-122#10196#10318
20M → 21M14830+118#10318#10200
21M → 35K3581-46#10200#10246
35K → 23M70130-60#10246#10306
23M → 24M3889-51#10306#10357
24M → 40K6593-28#10357#10385
40K → 25.2M3630+6#10385#10379
25.2M → Finish7081-11#10379#10390
TOTALS2291*1146+1145

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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