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BOSTON MARATHON 2023

Kathryn Maggio

Bib: 16869•F

OH

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0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
47:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:10:15
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:34:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:39:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:57:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:22:04
↑ 181↓ 1480.2%
20M
7:57/mi
2:32:52
↑ 64↓ 500.2%
21M
7:57/mi
2:40:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:46:33
↑ 17↓ 861.7%
23M
7:54/mi
2:56:26
↑ 23↓ 630.6%
24M
7:40/mi
3:04:06
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:10:45
↓ 200.3%
25.2M
7:58/mi
3:13:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:20:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:14
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4724:047:4524:04
7:45
-
10K
6.21 mi12:02:4847:057:3523:01
7:25
-0:20
15K
9.32 mi12:25:581:10:157:3223:10
7:27
+0:02
20K
12.43 mi12:49:441:34:017:3423:46
7:39
+0:12
Half
13.11 mi12:54:571:39:147:345:13
7:39
0:00
25K
15.53 mi13:13:301:57:477:3518:33
7:39
0:00
30K
18.64 mi13:37:472:22:047:3724:17
7:49
+0:10
20M
20.00 mi13:48:352:32:527:3910:48
7:57
+0:08
21M
21.00 mi13:56:312:40:487:397:56
7:57
0:00
35K
21.75 mi14:02:162:46:337:395:45
7:41
-0:16
23M
23.00 mi14:12:092:56:267:409:53
7:54
+0:13
24M
24.00 mi14:19:493:04:067:407:40
7:40
-0:14
40K
24.85 mi14:26:283:10:457:406:39
7:47
+0:07
25.2M
25.20 mi14:29:133:13:307:412:45
7:58
+0:11
Finish
26.22 mi14:36:413:20:587:407:28
7:20
-0:38

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

7:20 /mi

Average Pace

7:40 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:36

57% of race

Time at Steady Pace

1:26:22

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi11:39:4724:047:4524:04
7:45
#11885
10K
6.21 mi12:02:4847:057:3523:01
7:25
#10711
15K
9.32 mi12:25:581:10:157:3223:10
7:27
#10400
20K
12.43 mi12:49:441:34:017:3423:46
7:39
#10395
Half
13.11 mi12:54:571:39:147:345:13
7:39
#10454
25K
15.53 mi13:13:301:57:477:3518:33
7:39
#10330
30K
18.64 mi13:37:472:22:047:3724:17
7:49
#10142
20M
20.00 mi13:48:352:32:527:3910:48
7:57
#10099
21M
21.00 mi13:56:312:40:487:397:56
7:57
#9870
35K
21.75 mi14:02:162:46:337:395:45
7:41
#9864
23M
23.00 mi14:12:092:56:267:409:53
7:54
#9784
24M
24.00 mi14:19:493:04:067:407:40
7:40
#9698
40K
24.85 mi14:26:283:10:457:406:39
7:47
#9625
25.2M
25.20 mi14:29:133:13:307:412:45
7:58
#9544
Finish
26.22 mi14:36:413:20:587:407:28
7:20
#9449
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 mi11885279927999844(Top 37%)1770(Top 15%)1770(Top 36%)
10K6.21 mi3.10 mi10711+11742181+6182181+6189716(Top 36%)1701(Top 15%)1701(Top 35%)
15K9.32 mi3.11 mi10400+3112013+1682013+1689844(Top 37%)1770(Top 15%)1770(Top 36%)
20K12.43 mi3.11 mi10395+52019-62019-610515(Top 39%)2147(Top 19%)2147(Top 44%)
Half13.11 mi0.68 mi10454-592049-302049-3011418(Top 43%)2559(Top 22%)2559(Top 52%)
25K15.53 mi2.42 mi10330+1242011+382011+389920(Top 37%)1966(Top 17%)1966(Top 40%)
30K18.64 mi3.11 mi10142+1881961+501961+509497(Top 36%)1928(Top 17%)1928(Top 39%)
20M20.00 mi1.36 mi10099+431974-131974-139836(Top 37%)2177(Top 19%)2177(Top 45%)
21M21.00 mi1.00 mi9870+2291885+891885+896982(Top 26%)1137(Top 10%)1137(Top 23%)
35K21.75 mi0.75 mi9864+61900-151900-159863(Top 37%)2288(Top 20%)2288(Top 47%)
23M23.00 mi1.25 mi9784+801905-51905-59054(Top 34%)2056(Top 18%)2056(Top 42%)
24M24.00 mi1.00 mi9698+861889+161889+168878(Top 33%)2040(Top 18%)2040(Top 42%)
40K24.85 mi0.85 mi9625+731878+111878+118562(Top 32%)1964(Top 17%)1964(Top 40%)
25.2M25.20 mi0.35 mi9544+811857+211857+216445(Top 24%)1229(Top 11%)1229(Top 25%)
Finish26.22 mi1.02 mi9449+951839+181839+187338(Top 28%)1562(Top 14%)1562(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9844

Females

1770

F18-39

1770

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9716

Females

1701

F18-39

1701

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9844

Females

1770

F18-39

1770

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10515

Females

2147

F18-39

2147

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11418

Females

2559

F18-39

2559

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9920

Females

1966

F18-39

1966

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9497

Females

1928

F18-39

1928

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9836

Females

2177

F18-39

2177

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6982

Females

1137

F18-39

1137

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9863

Females

2288

F18-39

2288

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9054

Females

2056

F18-39

2056

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8878

Females

2040

F18-39

2040

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8562

Females

1964

F18-39

1964

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6445

Females

1229

F18-39

1229

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7338

Females

1562

F18-39

1562

Passing Analysis

Category:
Athletes Passed
3128*
Passed By
692
Net Change
+2436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11885
5K → 10K120834+1174#11885#10711
10K → 15K38574+311#10711#10400
15K → 20K151146+5#10400#10395
20K → Half1877-59#10395#10454
Half → 25K19672+124#10454#10330
25K → 30K257*69+188#10330#10142
30K → 20M101*58+43#10142#10099
20M → 21M239*10+229#10099#9870
21M → 35K4337+6#9870#9864
35K → 23M12545+80#9864#9784
23M → 24M10216+86#9784#9698
24M → 40K97*24+73#9698#9625
40K → 25.2M876+81#9625#9544
25.2M → Finish11924+95#9544#9449
TOTALS3128*692+2436

* 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