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BOSTON MARATHON 2023

Kayla Regulski

Bib: 4211•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:48
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:39:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:58:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:21:16
↑ 181↓ 1480.2%
20M
7:25/mi
2:31:21
↑ 64↓ 500.2%
21M
7:32/mi
2:38:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:44:15
↑ 17↓ 861.7%
23M
7:26/mi
2:53:34
↑ 23↓ 630.6%
24M
7:06/mi
3:00:40
↓ 821.3%
40K· 24.85 mi
7:03/mi
3:06:42
↓ 200.3%
25.2M
7:21/mi
3:09:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:35/mi
3:15:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:32
Pace7:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2323:467:3923:46
7:39
-
10K
6.21 mi11:37:5347:167:3623:30
7:34
-0:05
15K
9.32 mi12:01:251:10:487:3623:32
7:34
0:00
20K
12.43 mi12:25:021:34:257:3623:37
7:36
+0:02
Half
13.11 mi12:30:091:39:327:365:07
7:30
-0:06
25K
15.53 mi12:48:441:58:077:3618:35
7:40
+0:10
30K
18.64 mi13:11:532:21:167:3523:09
7:27
-0:13
20M
20.00 mi13:21:582:31:217:3410:05
7:25
-0:02
21M
21.00 mi13:29:302:38:537:347:32
7:32
+0:07
35K
21.75 mi13:34:522:44:157:335:22
7:10
-0:22
23M
23.00 mi13:44:112:53:347:339:19
7:26
+0:16
24M
24.00 mi13:51:173:00:407:327:06
7:06
-0:20
40K
24.85 mi13:57:193:06:427:316:02
7:03
-0:03
25.2M
25.20 mi13:59:513:09:147:312:32
7:21
+0:18
Finish
26.22 mi14:06:343:15:577:296:43
6:35
-0:46

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

6:35 /mi

Average Pace

7:29 /mi

Slowest Pace

7:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:13

13% of race

Time at Steady Pace

2:50:44

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi11:14:2323:467:3923:46
7:39
#11020
10K
6.21 mi11:37:5347:167:3623:30
7:34
#10971
15K
9.32 mi12:01:251:10:487:3623:32
7:34
#10897
20K
12.43 mi12:25:021:34:257:3623:37
7:36
#10690
Half
13.11 mi12:30:091:39:327:365:07
7:30
#10666
25K
15.53 mi12:48:441:58:077:3618:35
7:40
#10509
30K
18.64 mi13:11:532:21:167:3523:09
7:27
#9807
20M
20.00 mi13:21:582:31:217:3410:05
7:25
#9507
21M
21.00 mi13:29:302:38:537:347:32
7:32
#9144
35K
21.75 mi13:34:522:44:157:335:22
7:10
#9032
23M
23.00 mi13:44:112:53:347:339:19
7:26
#8827
24M
24.00 mi13:51:173:00:407:327:06
7:06
#8624
40K
24.85 mi13:57:193:06:427:316:02
7:03
#8396
25.2M
25.20 mi13:59:513:09:147:312:32
7:21
#8289
Finish
26.22 mi14:06:343:15:577:296:43
6:35
#8002
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110202333233310798(Top 41%)2228(Top 20%)2228(Top 46%)
10K6.21 mi3.10 mi10971+492307+262307+2610994(Top 41%)2298(Top 20%)2298(Top 47%)
15K9.32 mi3.11 mi10897+742277+302277+3010798(Top 41%)2228(Top 20%)2228(Top 46%)
20K12.43 mi3.11 mi10690+2072183+942183+9410105(Top 38%)1961(Top 17%)1961(Top 40%)
Half13.11 mi0.68 mi10666+242163+202163+2010244(Top 38%)1977(Top 17%)1977(Top 40%)
25K15.53 mi2.42 mi10509+1572097+662097+6610036(Top 38%)2012(Top 18%)2012(Top 41%)
30K18.64 mi3.11 mi9807+7021803+2941803+2946916(Top 26%)907(Top 8%)907(Top 19%)
20M20.00 mi1.36 mi9507+3001707+961707+966325(Top 24%)799(Top 7%)799(Top 16%)
21M21.00 mi1.00 mi9144+3631597+1101597+1104774(Top 18%)467(Top 4%)467(Top 10%)
35K21.75 mi0.75 mi9032+1121551+461551+466419(Top 24%)898(Top 8%)898(Top 18%)
23M23.00 mi1.25 mi8827+2051502+491502+496134(Top 23%)862(Top 8%)862(Top 18%)
24M24.00 mi1.00 mi8624+2031438+641438+645237(Top 20%)646(Top 6%)646(Top 13%)
40K24.85 mi0.85 mi8396+2281372+661372+664186(Top 16%)454(Top 4%)454(Top 9%)
25.2M25.20 mi0.35 mi8289+1071341+311341+313275(Top 12%)305(Top 3%)305(Top 6%)
Finish26.22 mi1.02 mi8002+2871254+871254+872981(Top 11%)287(Top 3%)287(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10798

Females

2228

F18-39

2228

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10994

Females

2298

F18-39

2298

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10798

Females

2228

F18-39

2228

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10105

Females

1961

F18-39

1961

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10244

Females

1977

F18-39

1977

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10036

Females

2012

F18-39

2012

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6916

Females

907

F18-39

907

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6325

Females

799

F18-39

799

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4774

Females

467

F18-39

467

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6419

Females

898

F18-39

898

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6134

Females

862

F18-39

862

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5237

Females

646

F18-39

646

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4186

Females

454

F18-39

454

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3275

Females

305

F18-39

305

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2981

Females

287

F18-39

287

Passing Analysis

Category:
Athletes Passed
3596*
Passed By
578
Net Change
+3018
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11020
5K → 10K329280+49#11020#10971
10K → 15K219145+74#10971#10897
15K → 20K27669+207#10897#10690
20K → Half4420+24#10690#10666
Half → 25K20245+157#10666#10509
25K → 30K705*3+702#10509#9807
30K → 20M3011+300#9807#9507
20M → 21M3630+363#9507#9144
21M → 35K1142+112#9144#9032
35K → 23M21611+205#9032#8827
23M → 24M2041+203#8827#8624
24M → 40K2291+228#8624#8396
40K → 25.2M1070+107#8396#8289
25.2M → Finish2870+287#8289#8002
TOTALS3596*578+3018

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

📊

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