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BOSTON MARATHON 2023

Stefanie Krick

Bib: 19749•F

AL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F45-49)
#0 / 1817
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:35/mi
26:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
53:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:07
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:46:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:52:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:13:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:40:19
↑ 181↓ 1480.2%
20M
8:33/mi
2:51:56
↑ 64↓ 500.2%
21M
8:49/mi
3:00:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
3:06:45
↑ 17↓ 861.7%
23M
8:22/mi
3:17:14
↑ 23↓ 630.6%
24M
8:08/mi
3:25:22
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:32:31
↓ 200.3%
25.2M
9:02/mi
3:35:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:43:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:46
Pace8:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:13
Pace8:29 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3926:398:3526:39
8:35
-
10K
6.21 mi11:45:1753:178:3526:38
8:34
-0:01
15K
9.32 mi12:12:071:20:078:3626:50
8:38
+0:04
20K
12.43 mi12:38:561:46:568:3626:49
8:38
0:00
Half
13.11 mi12:44:461:52:468:365:50
8:33
-0:05
25K
15.53 mi13:05:312:13:318:3620:45
8:33
0:00
30K
18.64 mi13:32:192:40:198:3626:48
8:38
+0:05
20M
20.00 mi13:43:562:51:568:3611:37
8:33
-0:05
21M
21.00 mi13:52:453:00:458:368:49
8:49
+0:16
35K
21.75 mi13:58:453:06:458:356:00
8:01
-0:48
23M
23.00 mi14:09:143:17:148:3510:29
8:22
+0:21
24M
24.00 mi14:17:223:25:228:338:08
8:08
-0:14
40K
24.85 mi14:24:313:32:318:337:09
8:22
+0:14
25.2M
25.20 mi14:27:383:35:388:333:07
9:02
+0:40
Finish
26.22 mi14:35:593:43:598:338:21
8:12
-0:50

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

8:01 /mi

Average Pace

8:33 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:52

99% of race

Time at Steady Pace

3:07

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:18:3926:398:3526:39
8:35
#18092
10K
6.21 mi11:45:1753:178:3526:38
8:34
#18368
15K
9.32 mi12:12:071:20:078:3626:50
8:38
#18459
20K
12.43 mi12:38:561:46:568:3626:49
8:38
#18232
Half
13.11 mi12:44:461:52:468:365:50
8:33
#18217
25K
15.53 mi13:05:312:13:318:3620:45
8:33
#17923
30K
18.64 mi13:32:192:40:198:3626:48
8:38
#17358
20M
20.00 mi13:43:562:51:568:3611:37
8:33
#17108
21M
21.00 mi13:52:453:00:458:368:49
8:49
#16843
35K
21.75 mi13:58:453:06:458:356:00
8:01
#16688
23M
23.00 mi14:09:143:17:148:3510:29
8:22
#16421
24M
24.00 mi14:17:223:25:228:338:08
8:08
#16217
40K
24.85 mi14:24:313:32:318:337:09
8:22
#16081
25.2M
25.20 mi14:27:383:35:388:333:07
9:02
#16028
Finish
26.22 mi14:35:593:43:598:338:21
8:12
#15927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180926612661218659(Top 70%)6892(Top 60%)6892(Top 379%)
10K6.21 mi3.10 mi18368-2766737-1256737-12518677(Top 70%)6882(Top 60%)6882(Top 379%)
15K9.32 mi3.11 mi18459-916786-496786-4918659(Top 70%)6892(Top 60%)6892(Top 379%)
20K12.43 mi3.11 mi18232+2276649+1376649+13717690(Top 66%)6335(Top 55%)6335(Top 349%)
Half13.11 mi0.68 mi18217+156644+56644+517998(Top 68%)6462(Top 57%)6462(Top 356%)
25K15.53 mi2.42 mi17923+2946492+1526492+15216545(Top 62%)5747(Top 50%)5747(Top 316%)
30K18.64 mi3.11 mi17358+5656165+3276165+32715093(Top 57%)4996(Top 44%)4996(Top 275%)
20M20.00 mi1.36 mi17108+2506034+1316034+13113959(Top 52%)4393(Top 38%)4393(Top 242%)
21M21.00 mi1.00 mi16843+2655889+1455889+14512407(Top 47%)3643(Top 32%)3643(Top 200%)
35K21.75 mi0.75 mi16688+1555816+735816+7312354(Top 46%)3645(Top 32%)3645(Top 201%)
23M23.00 mi1.25 mi16421+2675682+1345682+13412448(Top 47%)3778(Top 33%)3778(Top 208%)
24M24.00 mi1.00 mi16217+2045587+955587+9512192(Top 46%)3703(Top 32%)3703(Top 204%)
40K24.85 mi0.85 mi16081+1365520+675520+6712527(Top 47%)3968(Top 35%)3968(Top 218%)
25.2M25.20 mi0.35 mi16028+535497+235497+2312839(Top 48%)4172(Top 37%)4172(Top 230%)
Finish26.22 mi1.02 mi15927+1015446+515446+5113430(Top 50%)4434(Top 39%)4434(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18659

Females

6892

F45-49

6892

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18677

Females

6882

F45-49

6882

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18659

Females

6892

F45-49

6892

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17690

Females

6335

F45-49

6335

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17998

Females

6462

F45-49

6462

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16545

Females

5747

F45-49

5747

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15093

Females

4996

F45-49

4996

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13959

Females

4393

F45-49

4393

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12407

Females

3643

F45-49

3643

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12354

Females

3645

F45-49

3645

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12448

Females

3778

F45-49

3778

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12192

Females

3703

F45-49

3703

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12527

Females

3968

F45-49

3968

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12839

Females

4172

F45-49

4172

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13430

Females

4434

F45-49

4434

Passing Analysis

Category:
Athletes Passed
3005
Passed By
840
Net Change
+2165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18092
5K → 10K185461-276#18092#18368
10K → 15K147238-91#18368#18459
15K → 20K28457+227#18459#18232
20K → Half3823+15#18232#18217
Half → 25K30915+294#18217#17923
25K → 30K5694+565#17923#17358
30K → 20M2544+250#17358#17108
20M → 21M2661+265#17108#16843
21M → 35K1561+155#16843#16688
35K → 23M2681+267#16688#16421
23M → 24M2084+204#16421#16217
24M → 40K14711+136#16217#16081
40K → 25.2M552+53#16081#16028
25.2M → Finish11918+101#16028#15927
TOTALS3005840+2165
📊

Passing Visuals

Category:
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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