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BOSTON MARATHON 2023

Kristyn Mittelstaedt

Bib: 19030•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:21
Rank: #19474
Start → 5K
27:21 | 8:48/mi
10K· 6.21 mi
53:13
Rank: #18294 (+1180)
5K → 10K
25:52 | 8:20/mi
15K· 9.32 mi
1:19:40
Rank: #18156 (+138)
10K → 15K
26:27 | 8:31/mi
20K· 12.43 mi
1:45:17
Rank: #17386 (+770)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:50:49
Rank: #17278 (+108)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:11:09
Rank: #16995 (+283)
Half → 25K
20:20 | 8:23/mi
30K· 18.64 mi
2:38:32
Rank: #16809 (+186)
25K → 30K
27:23 | 8:49/mi
20M
2:51:05
Rank: #16873 (-64)
30K → 20M
12:33 | 9:14/mi
21M
3:00:20
Rank: #16729 (+144)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
3:06:34
Rank: #16629 (+100)
21M → 35K
6:14 | 8:20/mi
23M
3:17:43
Rank: #16570 (+59)
35K → 23M
11:09 | 8:54/mi
24M
3:27:38
Rank: #16831 (-261)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
3:38:09
Rank: #17462 (-631)
24M → 40K
10:31 | 12:18/mi
25.2M
3:41:19
Rank: #17406 (+56)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:49:43
Rank: #17286 (+120)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:49
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:58:54
Pace9:04 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5127:218:4827:21
8:48
-
10K
6.21 mi11:44:4353:138:3425:52
8:20
-0:28
15K
9.32 mi12:11:101:19:408:3326:27
8:31
+0:11
20K
12.43 mi12:36:471:45:178:2825:37
8:15
-0:16
Half
13.11 mi12:42:191:50:498:275:32
8:07
-0:08
25K
15.53 mi13:02:392:11:098:2720:20
8:23
+0:16
30K
18.64 mi13:30:022:38:328:3027:23
8:49
+0:26
20M
20.00 mi13:42:352:51:058:3312:33
9:14
+0:25
21M
21.00 mi13:51:503:00:208:359:15
9:15
+0:01
35K
21.75 mi13:58:043:06:348:356:14
8:20
-0:55
23M
23.00 mi14:09:133:17:438:3611:09
8:54
+0:34
24M
24.00 mi14:19:083:27:388:399:55
9:55
+1:01
40K
24.85 mi14:29:393:38:098:4710:31
12:18
+2:23
25.2M
25.20 mi14:32:493:41:198:473:10
9:11
-3:07
Finish
26.22 mi14:41:133:49:438:468:24
8:15
-0:56

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

8:07 /mi

Average Pace

8:46 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:33

17% of race

Time at Steady Pace

2:49:44

74% of race

Time at Slower Pace

20:26

9% of race

Average Pace: 8:46 /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 mi11:18:5127:218:4827:21
8:48
#19474
10K
6.21 mi11:44:4353:138:3425:52
8:20
#18294
15K
9.32 mi12:11:101:19:408:3326:27
8:31
#18156
20K
12.43 mi12:36:471:45:178:2825:37
8:15
#17386
Half
13.11 mi12:42:191:50:498:275:32
8:07
#17278
25K
15.53 mi13:02:392:11:098:2720:20
8:23
#16995
30K
18.64 mi13:30:022:38:328:3027:23
8:49
#16809
20M
20.00 mi13:42:352:51:058:3312:33
9:14
#16873
21M
21.00 mi13:51:503:00:208:359:15
9:15
#16729
35K
21.75 mi13:58:043:06:348:356:14
8:20
#16629
23M
23.00 mi14:09:133:17:438:3611:09
8:54
#16570
24M
24.00 mi14:19:083:27:388:399:55
9:55
#16831
40K
24.85 mi14:29:393:38:098:4710:31
12:18
#17462
25.2M
25.20 mi14:32:493:41:198:473:10
9:11
#17406
Finish
26.22 mi14:41:133:49:438:468:24
8:15
#17286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi194747493749317913(Top 67%)6444(Top 56%)6444(Top 343%)
10K6.21 mi3.10 mi18294+11806692+8016692+80117108(Top 64%)5940(Top 52%)5940(Top 316%)
15K9.32 mi3.11 mi18156+1386620+726620+7217913(Top 67%)6444(Top 56%)6444(Top 343%)
20K12.43 mi3.11 mi17386+7706149+4716149+47115255(Top 57%)4873(Top 43%)4873(Top 259%)
Half13.11 mi0.68 mi17278+1086093+566093+5615282(Top 57%)4867(Top 43%)4867(Top 259%)
25K15.53 mi2.42 mi16995+2835942+1515942+15115517(Top 58%)5155(Top 45%)5155(Top 274%)
30K18.64 mi3.11 mi16809+1865852+905852+9016178(Top 61%)5602(Top 49%)5602(Top 298%)
20M20.00 mi1.36 mi16873-645899-475899-4717730(Top 67%)6594(Top 58%)6594(Top 351%)
21M21.00 mi1.00 mi16729+1445834+655834+6514752(Top 55%)4910(Top 43%)4910(Top 261%)
35K21.75 mi0.75 mi16629+1005789+455789+4514360(Top 54%)4777(Top 42%)4777(Top 254%)
23M23.00 mi1.25 mi16570+595770+195770+1915594(Top 59%)5513(Top 48%)5513(Top 294%)
24M24.00 mi1.00 mi16831-2615946-1765946-17620553(Top 77%)8293(Top 73%)8293(Top 442%)
40K24.85 mi0.85 mi17462-6316320-3746320-37424234(Top 91%)10299(Top 90%)10299(Top 548%)
25.2M25.20 mi0.35 mi17406+566292+286292+2813652(Top 51%)4589(Top 40%)4589(Top 244%)
Finish26.22 mi1.02 mi17286+1206234+586234+5813770(Top 52%)4629(Top 41%)4629(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17913

Females

6444

F40-44

6444

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17108

Females

5940

F40-44

5940

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17913

Females

6444

F40-44

6444

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15255

Females

4873

F40-44

4873

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15282

Females

4867

F40-44

4867

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15517

Females

5155

F40-44

5155

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16178

Females

5602

F40-44

5602

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17730

Females

6594

F40-44

6594

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14752

Females

4910

F40-44

4910

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14360

Females

4777

F40-44

4777

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15594

Females

5513

F40-44

5513

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20553

Females

8293

F40-44

8293

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24234

Females

10299

F40-44

10299

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13652

Females

4589

F40-44

4589

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13770

Females

4629

F40-44

4629

Passing Analysis

Category:
Athletes Passed
3590
Passed By
1402
Net Change
+2188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19474
5K → 10K124060+1180#19474#18294
10K → 15K257119+138#18294#18156
15K → 20K7777+770#18156#17386
20K → Half1113+108#17386#17278
Half → 25K30017+283#17278#16995
25K → 30K25973+186#16995#16809
30K → 20M60124-64#16809#16873
20M → 21M15814+144#16873#16729
21M → 35K1077+100#16729#16629
35K → 23M10344+59#16629#16570
23M → 24M20281-261#16570#16831
24M → 40K3634-631#16831#17462
40K → 25.2M637+56#17462#17406
25.2M → Finish13212+120#17406#17286
TOTALS35901402+2188
📊

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