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BOSTON MARATHON 2023

Natalie Staheli

Bib: 12849•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F45-49)
#0 / 1817
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:49
Rank: #16234
Start → 5K
25:49 | 8:19/mi
10K· 6.21 mi
51:48
Rank: #16759 (-525)
5K → 10K
25:59 | 8:22/mi
15K· 9.32 mi
1:18:29
Rank: #17328 (-569)
10K → 15K
26:41 | 8:35/mi
20K· 12.43 mi
1:45:37
Rank: #17554 (-226)
15K → 20K
27:08 | 8:44/mi
Half· 13.11 mi
1:51:18
Rank: #17497 (+57)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:12:31
Rank: #17517 (-20)
Half → 25K
21:13 | 8:45/mi
30K· 18.64 mi
2:39:47
Rank: #17191 (+326)
25K → 30K
27:16 | 8:47/mi
20M
2:51:38
Rank: #17009 (+182)
30K → 20M
11:51 | 8:43/mi
21M
3:00:55
Rank: #16892 (+117)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:07:02
Rank: #16743 (+149)
21M → 35K
6:07 | 8:11/mi
23M
3:17:44
Rank: #16573 (+170)
35K → 23M
10:42 | 8:33/mi
24M
3:26:06
Rank: #16443 (+130)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:33:21
Rank: #16277 (+166)
24M → 40K
7:15 | 8:29/mi
25.2M
3:36:27
Rank: #16214 (+63)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:44:41
Rank: #16100 (+114)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:18
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5225:498:1925:49
8:19
-
10K
6.21 mi11:20:5151:488:2025:59
8:22
+0:03
15K
9.32 mi11:47:321:18:298:2526:41
8:35
+0:13
20K
12.43 mi12:14:401:45:378:3027:08
8:44
+0:09
Half
13.11 mi12:20:211:51:188:295:41
8:20
-0:24
25K
15.53 mi12:41:342:12:318:3221:13
8:45
+0:25
30K
18.64 mi13:08:502:39:478:3427:16
8:47
+0:02
20M
20.00 mi13:20:412:51:388:3511:51
8:43
-0:04
21M
21.00 mi13:29:583:00:558:379:17
9:17
+0:34
35K
21.75 mi13:36:053:07:028:366:07
8:11
-1:06
23M
23.00 mi13:46:473:17:448:3610:42
8:33
+0:22
24M
24.00 mi13:55:093:26:068:358:22
8:22
-0:11
40K
24.85 mi14:02:243:33:218:357:15
8:29
+0:07
25.2M
25.20 mi14:05:303:36:278:353:06
8:59
+0:30
Finish
26.22 mi14:13:443:44:418:358:14
8:05
-0:54

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

8:05 /mi

Average Pace

8:35 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:18

94% of race

Time at Steady Pace

12:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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 mi10:54:5225:498:1925:49
8:19
#16234
10K
6.21 mi11:20:5151:488:2025:59
8:22
#16759
15K
9.32 mi11:47:321:18:298:2526:41
8:35
#17328
20K
12.43 mi12:14:401:45:378:3027:08
8:44
#17554
Half
13.11 mi12:20:211:51:188:295:41
8:20
#17497
25K
15.53 mi12:41:342:12:318:3221:13
8:45
#17517
30K
18.64 mi13:08:502:39:478:3427:16
8:47
#17191
20M
20.00 mi13:20:412:51:388:3511:51
8:43
#17009
21M
21.00 mi13:29:583:00:558:379:17
9:17
#16892
35K
21.75 mi13:36:053:07:028:366:07
8:11
#16743
23M
23.00 mi13:46:473:17:448:3610:42
8:33
#16573
24M
24.00 mi13:55:093:26:068:358:22
8:22
#16443
40K
24.85 mi14:02:243:33:218:357:15
8:29
#16277
25.2M
25.20 mi14:05:303:36:278:353:06
8:59
#16214
Finish
26.22 mi14:13:443:44:418:358:14
8:05
#16100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162345430543018366(Top 69%)6710(Top 59%)6710(Top 369%)
10K6.21 mi3.10 mi16759-5255751-3215751-32117337(Top 65%)6085(Top 53%)6085(Top 335%)
15K9.32 mi3.11 mi17328-5696112-3616112-36118366(Top 69%)6710(Top 59%)6710(Top 369%)
20K12.43 mi3.11 mi17554-2266249-1376249-13718320(Top 69%)6682(Top 58%)6682(Top 368%)
Half13.11 mi0.68 mi17497+576221+286221+2816707(Top 63%)5718(Top 50%)5718(Top 315%)
25K15.53 mi2.42 mi17517-206244-236244-2317671(Top 66%)6379(Top 56%)6379(Top 351%)
30K18.64 mi3.11 mi17191+3266071+1736071+17315918(Top 60%)5452(Top 48%)5452(Top 300%)
20M20.00 mi1.36 mi17009+1825976+955976+9515017(Top 56%)5006(Top 44%)5006(Top 276%)
21M21.00 mi1.00 mi16892+1175921+555921+5514926(Top 56%)5015(Top 44%)5015(Top 276%)
35K21.75 mi0.75 mi16743+1495844+775844+7713336(Top 50%)4198(Top 37%)4198(Top 231%)
23M23.00 mi1.25 mi16573+1705773+715773+7113537(Top 51%)4368(Top 38%)4368(Top 240%)
24M24.00 mi1.00 mi16443+1305718+555718+5513691(Top 51%)4510(Top 39%)4510(Top 248%)
40K24.85 mi0.85 mi16277+1665640+785640+7813255(Top 50%)4353(Top 38%)4353(Top 240%)
25.2M25.20 mi0.35 mi16214+635605+355605+3512580(Top 47%)4039(Top 35%)4039(Top 222%)
Finish26.22 mi1.02 mi16100+1145548+575548+5712688(Top 48%)4064(Top 36%)4064(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18366

Females

6710

F45-49

6710

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17337

Females

6085

F45-49

6085

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18366

Females

6710

F45-49

6710

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18320

Females

6682

F45-49

6682

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16707

Females

5718

F45-49

5718

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17671

Females

6379

F45-49

6379

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15918

Females

5452

F45-49

5452

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15017

Females

5006

F45-49

5006

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14926

Females

5015

F45-49

5015

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13336

Females

4198

F45-49

4198

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13537

Females

4368

F45-49

4368

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13691

Females

4510

F45-49

4510

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13255

Females

4353

F45-49

4353

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12580

Females

4039

F45-49

4039

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12688

Females

4064

F45-49

4064

Passing Analysis

Category:
Athletes Passed
2017
Passed By
1883
Net Change
+134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16234
5K → 10K116641-525#16234#16759
10K → 15K54623-569#16759#17328
15K → 20K104330-226#17328#17554
20K → Half7518+57#17554#17497
Half → 25K117137-20#17497#17517
25K → 30K35933+326#17517#17191
30K → 20M19210+182#17191#17009
20M → 21M14528+117#17009#16892
21M → 35K1490+149#16892#16743
35K → 23M18313+170#16743#16573
23M → 24M14515+130#16573#16443
24M → 40K17610+166#16443#16277
40K → 25.2M652+63#16277#16214
25.2M → Finish13723+114#16214#16100
TOTALS20171883+134
📊

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