Boston Marathon logo
BOSTON MARATHON 2023

Katie Mauro

Bib: 13442•F

ME

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:25
Rank: #9982
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
46:39
Rank: #10114 (-132)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:48
Rank: #9942 (+172)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:33:34
Rank: #10087 (-145)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:38:46
Rank: #10140 (-53)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:05
Rank: #10491 (-351)
Half → 25K
19:19 | 7:58/mi
30K· 18.64 mi
2:24:21
Rank: #11120 (-629)
25K → 30K
26:16 | 8:27/mi
20M
2:35:49
Rank: #11282 (-162)
30K → 20M
11:28 | 8:26/mi
21M
2:44:47
Rank: #11392 (-110)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:50:42
Rank: #11380 (+12)
21M → 35K
5:55 | 7:55/mi
23M
3:00:59
Rank: #11383 (-3)
35K → 23M
10:17 | 8:13/mi
24M
3:09:28
Rank: #11543 (-160)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:16:23
Rank: #11499 (+44)
24M → 40K
6:55 | 8:05/mi
25.2M
3:19:35
Rank: #11531 (-32)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:27:23
Rank: #11422 (+109)
25.2M → Finish
7:48 | 7:39/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:46
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3623:257:3223:25
7:32
-
10K
6.21 mi11:14:5046:397:3023:14
7:29
-0:03
15K
9.32 mi11:37:591:09:487:2923:09
7:27
-0:02
20K
12.43 mi12:01:451:33:347:3223:46
7:39
+0:12
Half
13.11 mi12:06:571:38:467:325:12
7:37
-0:02
25K
15.53 mi12:26:161:58:057:3619:19
7:58
+0:21
30K
18.64 mi12:52:322:24:217:4526:16
8:27
+0:29
20M
20.00 mi13:04:002:35:497:4711:28
8:26
-0:01
21M
21.00 mi13:12:582:44:477:518:58
8:58
+0:32
35K
21.75 mi13:18:532:50:427:515:55
7:55
-1:03
23M
23.00 mi13:29:103:00:597:5210:17
8:13
+0:18
24M
24.00 mi13:37:393:09:287:548:29
8:29
+0:16
40K
24.85 mi13:44:343:16:237:546:55
8:05
-0:24
25.2M
25.20 mi13:47:463:19:357:553:12
9:17
+1:12
Finish
26.22 mi13:55:343:27:237:557:48
7:39
-1:38

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

7:27 /mi

Average Pace

7:55 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:34

51% of race

Time at Steady Pace

42:26

20% of race

Time at Slower Pace

58:23

28% of race

Average Pace: 7:55 /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 mi10:51:3623:257:3223:25
7:32
#9982
10K
6.21 mi11:14:5046:397:3023:14
7:29
#10114
15K
9.32 mi11:37:591:09:487:2923:09
7:27
#9942
20K
12.43 mi12:01:451:33:347:3223:46
7:39
#10087
Half
13.11 mi12:06:571:38:467:325:12
7:37
#10140
25K
15.53 mi12:26:161:58:057:3619:19
7:58
#10491
30K
18.64 mi12:52:322:24:217:4526:16
8:27
#11120
20M
20.00 mi13:04:002:35:497:4711:28
8:26
#11282
21M
21.00 mi13:12:582:44:477:518:58
8:58
#11392
35K
21.75 mi13:18:532:50:427:515:55
7:55
#11380
23M
23.00 mi13:29:103:00:597:5210:17
8:13
#11383
24M
24.00 mi13:37:393:09:287:548:29
8:29
#11543
40K
24.85 mi13:44:343:16:237:546:55
8:05
#11499
25.2M
25.20 mi13:47:463:19:357:553:12
9:17
#11531
Finish
26.22 mi13:55:343:27:237:557:48
7:39
#11422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9982185718579796(Top 37%)1755(Top 15%)1755(Top 36%)
10K6.21 mi3.10 mi10114-1321893-361893-3610293(Top 39%)1956(Top 17%)1956(Top 40%)
15K9.32 mi3.11 mi9942+1721803+901803+909796(Top 37%)1755(Top 15%)1755(Top 36%)
20K12.43 mi3.11 mi10087-1451876-731876-7310531(Top 40%)2163(Top 19%)2163(Top 44%)
Half13.11 mi0.68 mi10140-531905-291905-2911285(Top 42%)2516(Top 22%)2516(Top 52%)
25K15.53 mi2.42 mi10491-3512091-1862091-18612461(Top 47%)3333(Top 29%)3333(Top 68%)
30K18.64 mi3.11 mi11120-6292476-3852476-38514013(Top 53%)4334(Top 38%)4334(Top 89%)
20M20.00 mi1.36 mi11282-1622590-1142590-11413252(Top 50%)3984(Top 35%)3984(Top 82%)
21M21.00 mi1.00 mi11392-1102668-782668-7813219(Top 50%)4054(Top 35%)4054(Top 83%)
35K21.75 mi0.75 mi11380+122676-82676-811486(Top 43%)3126(Top 27%)3126(Top 64%)
23M23.00 mi1.25 mi11383-32710-342710-3411284(Top 42%)3145(Top 28%)3145(Top 64%)
24M24.00 mi1.00 mi11543-1602813-1032813-10314386(Top 54%)4880(Top 43%)4880(Top 100%)
40K24.85 mi0.85 mi11499+442814-12814-110668(Top 40%)2972(Top 26%)2972(Top 61%)
25.2M25.20 mi0.35 mi11531-322836-222836-2214095(Top 53%)4779(Top 42%)4779(Top 98%)
Finish26.22 mi1.02 mi11422+1092806+302806+309692(Top 36%)2571(Top 23%)2571(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9796

Females

1755

F18-39

1755

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10293

Females

1956

F18-39

1956

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9796

Females

1755

F18-39

1755

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10531

Females

2163

F18-39

2163

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11285

Females

2516

F18-39

2516

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12461

Females

3333

F18-39

3333

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14013

Females

4334

F18-39

4334

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13252

Females

3984

F18-39

3984

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13219

Females

4054

F18-39

4054

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11486

Females

3126

F18-39

3126

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11284

Females

3145

F18-39

3145

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14386

Females

4880

F18-39

4880

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10668

Females

2972

F18-39

2972

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14095

Females

4779

F18-39

4779

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9692

Females

2571

F18-39

2571

Passing Analysis

Category:
Athletes Passed
1282*
Passed By
2721
Net Change
-1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9982
5K → 10K254385-132#9982#10114
10K → 15K273*101+172#10114#9942
15K → 20K118263-145#9942#10087
20K → Half1972-53#10087#10140
Half → 25K47398-351#10140#10491
25K → 30K55684-629#10491#11120
30K → 20M47209-162#11120#11282
20M → 21M52162-110#11282#11392
21M → 35K5947+12#11392#11380
35K → 23M8992-3#11380#11383
23M → 24M26186-160#11383#11543
24M → 40K8642+44#11543#11499
40K → 25.2M2355-32#11499#11531
25.2M → Finish13425+109#11531#11422
TOTALS1282*2721-1440

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing