Boston Marathon logo
BOSTON MARATHON 2023

Katherine Mautz

Bib: 25583•F

NH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:31
Rank: #19780
Start → 5K
27:31 | 8:51/mi
10K· 6.21 mi
52:12
Rank: #17215 (+2565)
5K → 10K
24:41 | 7:57/mi
15K· 9.32 mi
1:16:47
Rank: #16104 (+1111)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:41:37
Rank: #15421 (+683)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:47:02
Rank: #15331 (+90)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:07:02
Rank: #15197 (+134)
Half → 25K
20:00 | 8:15/mi
30K· 18.64 mi
2:33:23
Rank: #14987 (+210)
25K → 30K
26:21 | 8:29/mi
20M
2:45:13
Rank: #14970 (+17)
30K → 20M
11:50 | 8:42/mi
21M
2:55:01
Rank: #15112 (-142)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:01:45
Rank: #15197 (-85)
21M → 35K
6:44 | 9:00/mi
23M
3:13:05
Rank: #15255 (-58)
35K → 23M
11:20 | 9:03/mi
24M
3:21:34
Rank: #15198 (+57)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:29:32
Rank: #15329 (-131)
24M → 40K
7:58 | 9:19/mi
25.2M
3:32:57
Rank: #15348 (-19)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:41:03
Rank: #15197 (+151)
25.2M → Finish
8:06 | 7:57/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
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:54:01
Pace8:42 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5727:318:5127:31
8:51
-
10K
6.21 mi12:09:3852:128:2424:41
7:57
-0:54
15K
9.32 mi12:34:131:16:478:1424:35
7:55
-0:02
20K
12.43 mi12:59:031:41:378:1124:50
8:00
+0:05
Half
13.11 mi13:04:281:47:028:105:25
7:56
-0:04
25K
15.53 mi13:24:282:07:028:1120:00
8:15
+0:19
30K
18.64 mi13:50:492:33:238:1426:21
8:29
+0:14
20M
20.00 mi14:02:392:45:138:1611:50
8:42
+0:13
21M
21.00 mi14:12:272:55:018:209:48
9:48
+1:06
35K
21.75 mi14:19:113:01:458:216:44
9:00
-0:48
23M
23.00 mi14:30:313:13:058:2411:20
9:03
+0:03
24M
24.00 mi14:39:003:21:348:248:29
8:29
-0:34
40K
24.85 mi14:46:583:29:328:267:58
9:19
+0:50
25.2M
25.20 mi14:50:233:32:578:273:25
9:54
+0:35
Finish
26.22 mi14:58:293:41:038:268:06
7:57
-1:57

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

7:55 /mi

Average Pace

8:26 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:37

40% of race

Time at Steady Pace

1:06:40

30% of race

Time at Slower Pace

1:06:46

30% of race

Average Pace: 8:26 /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 mi11:44:5727:318:5127:31
8:51
#19780
10K
6.21 mi12:09:3852:128:2424:41
7:57
#17215
15K
9.32 mi12:34:131:16:478:1424:35
7:55
#16104
20K
12.43 mi12:59:031:41:378:1124:50
8:00
#15421
Half
13.11 mi13:04:281:47:028:105:25
7:56
#15331
25K
15.53 mi13:24:282:07:028:1120:00
8:15
#15197
30K
18.64 mi13:50:492:33:238:1426:21
8:29
#14987
20M
20.00 mi14:02:392:45:138:1611:50
8:42
#14970
21M
21.00 mi14:12:272:55:018:209:48
9:48
#15112
35K
21.75 mi14:19:113:01:458:216:44
9:00
#15197
23M
23.00 mi14:30:313:13:058:2411:20
9:03
#15255
24M
24.00 mi14:39:003:21:348:248:29
8:29
#15198
40K
24.85 mi14:46:583:29:328:267:58
9:19
#15329
25.2M
25.20 mi14:50:233:32:578:273:25
9:54
#15348
Finish
26.22 mi14:58:293:41:038:268:06
7:57
#15197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197807677767713694(Top 51%)3900(Top 34%)3900(Top 80%)
10K6.21 mi3.10 mi17215+25656064+16136064+161314382(Top 54%)4292(Top 38%)4292(Top 88%)
15K9.32 mi3.11 mi16104+11115350+7145350+71413694(Top 51%)3900(Top 34%)3900(Top 80%)
20K12.43 mi3.11 mi15421+6834942+4084942+40813387(Top 50%)3759(Top 33%)3759(Top 77%)
Half13.11 mi0.68 mi15331+904895+474895+4713978(Top 53%)4087(Top 36%)4087(Top 84%)
25K15.53 mi2.42 mi15197+1344839+564839+5614601(Top 55%)4589(Top 40%)4589(Top 94%)
30K18.64 mi3.11 mi14987+2104740+994740+9914208(Top 53%)4460(Top 39%)4460(Top 91%)
20M20.00 mi1.36 mi14970+174751-114751-1114918(Top 56%)4945(Top 43%)4945(Top 101%)
21M21.00 mi1.00 mi15112-1424870-1194870-11917261(Top 65%)6338(Top 55%)6338(Top 130%)
35K21.75 mi0.75 mi15197-854944-744944-7417913(Top 67%)6781(Top 59%)6781(Top 139%)
23M23.00 mi1.25 mi15255-584997-534997-5316322(Top 61%)5922(Top 52%)5922(Top 121%)
24M24.00 mi1.00 mi15198+574976+214976+2114406(Top 54%)4900(Top 43%)4900(Top 100%)
40K24.85 mi0.85 mi15329-1315079-1035079-10317604(Top 66%)6734(Top 59%)6734(Top 138%)
25.2M25.20 mi0.35 mi15348-195105-265105-2617034(Top 64%)6426(Top 56%)6426(Top 132%)
Finish26.22 mi1.02 mi15197+1515024+815024+8111789(Top 44%)3609(Top 32%)3609(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13694

Females

3900

F18-39

3900

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14382

Females

4292

F18-39

4292

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13694

Females

3900

F18-39

3900

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13387

Females

3759

F18-39

3759

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13978

Females

4087

F18-39

4087

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14601

Females

4589

F18-39

4589

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14208

Females

4460

F18-39

4460

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14918

Females

4945

F18-39

4945

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17261

Females

6338

F18-39

6338

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17913

Females

6781

F18-39

6781

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16322

Females

5922

F18-39

5922

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14406

Females

4900

F18-39

4900

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17604

Females

6734

F18-39

6734

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17034

Females

6426

F18-39

6426

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11789

Females

3609

F18-39

3609

Passing Analysis

Category:
Athletes Passed
5504
Passed By
921
Net Change
+4583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19780
5K → 10K25716+2565#19780#17215
10K → 15K112413+1111#17215#16104
15K → 20K6885+683#16104#15421
20K → Half955+90#15421#15331
Half → 25K20369+134#15331#15197
25K → 30K28777+210#15197#14987
30K → 20M8871+17#14987#14970
20M → 21M52194-142#14970#15112
21M → 35K25110-85#15112#15197
35K → 23M60118-58#15197#15255
23M → 24M9336+57#15255#15198
24M → 40K31162-131#15198#15329
40K → 25.2M2544-19#15329#15348
25.2M → Finish16211+151#15348#15197
TOTALS5504921+4583
📊

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