Boston Marathon logo
BOSTON MARATHON 2023

Maureen Hvizdos

Bib: 23955•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:42
Rank: #20062
Start → 5K
27:42 | 8:55/mi
10K· 6.21 mi
55:20
Rank: #20227 (-165)
5K → 10K
27:38 | 8:54/mi
15K· 9.32 mi
1:23:25
Rank: #20344 (-117)
10K → 15K
28:05 | 9:02/mi
20K· 12.43 mi
1:52:00
Rank: #20420 (-76)
15K → 20K
28:35 | 9:12/mi
Half· 13.11 mi
1:58:04
Rank: #20399 (+21)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:20:14
Rank: #20258 (+141)
Half → 25K
22:10 | 9:09/mi
30K· 18.64 mi
2:49:44
Rank: #20078 (+180)
25K → 30K
29:30 | 9:30/mi
20M
3:02:33
Rank: #19948 (+130)
30K → 20M
12:49 | 9:26/mi
21M
3:12:32
Rank: #19795 (+153)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:19:16
Rank: #19738 (+57)
21M → 35K
6:44 | 9:00/mi
23M
3:30:47
Rank: #19579 (+159)
35K → 23M
11:31 | 9:12/mi
24M
3:39:30
Rank: #19440 (+139)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:47:06
Rank: #19305 (+135)
24M → 40K
7:36 | 8:53/mi
25.2M
3:50:20
Rank: #19244 (+61)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:58:36
Rank: #19053 (+191)
25.2M → Finish
8:16 | 8:07/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
Time1:58:04
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:00:32
Pace9:12 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2027:428:5527:42
8:55
-
10K
6.21 mi11:50:5855:208:5427:38
8:54
-0:01
15K
9.32 mi12:19:031:23:258:5728:05
9:02
+0:08
20K
12.43 mi12:47:381:52:009:0128:35
9:12
+0:10
Half
13.11 mi12:53:421:58:049:006:04
8:54
-0:18
25K
15.53 mi13:15:522:20:149:0222:10
9:09
+0:15
30K
18.64 mi13:45:222:49:449:0629:30
9:30
+0:21
20M
20.00 mi13:58:113:02:339:0812:49
9:26
-0:04
21M
21.00 mi14:08:103:12:329:109:59
9:59
+0:33
35K
21.75 mi14:14:543:19:169:106:44
9:00
-0:59
23M
23.00 mi14:26:253:30:479:1011:31
9:12
+0:12
24M
24.00 mi14:35:083:39:309:098:43
8:43
-0:29
40K
24.85 mi14:42:443:47:069:087:36
8:53
+0:10
25.2M
25.20 mi14:45:583:50:209:083:14
9:23
+0:30
Finish
26.22 mi14:54:143:58:369:068:16
8:07
-1:16

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

8:07 /mi

Average Pace

9:06 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:59

7% of race

Time at Steady Pace

2:46:05

70% of race

Time at Slower Pace

55:32

23% of race

Average Pace: 9:06 /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 mi11:23:2027:428:5527:42
8:55
#20062
10K
6.21 mi11:50:5855:208:5427:38
8:54
#20227
15K
9.32 mi12:19:031:23:258:5728:05
9:02
#20344
20K
12.43 mi12:47:381:52:009:0128:35
9:12
#20420
Half
13.11 mi12:53:421:58:049:006:04
8:54
#20399
25K
15.53 mi13:15:522:20:149:0222:10
9:09
#20258
30K
18.64 mi13:45:222:49:449:0629:30
9:30
#20078
20M
20.00 mi13:58:113:02:339:0812:49
9:26
#19948
21M
21.00 mi14:08:103:12:329:109:59
9:59
#19795
35K
21.75 mi14:14:543:19:169:106:44
9:00
#19738
23M
23.00 mi14:26:253:30:479:1011:31
9:12
#19579
24M
24.00 mi14:35:083:39:309:098:43
8:43
#19440
40K
24.85 mi14:42:443:47:069:087:36
8:53
#19305
25.2M
25.20 mi14:45:583:50:209:083:14
9:23
#19244
Finish
26.22 mi14:54:143:58:369:068:16
8:07
#19053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi200627854785420677(Top 78%)8053(Top 70%)8053(Top 988%)
10K6.21 mi3.10 mi20227-1657884-307884-3020404(Top 77%)7925(Top 69%)7925(Top 972%)
15K9.32 mi3.11 mi20344-1177927-437927-4320677(Top 78%)8053(Top 70%)8053(Top 988%)
20K12.43 mi3.11 mi20420-767956-297956-2920580(Top 77%)7995(Top 70%)7995(Top 981%)
Half13.11 mi0.68 mi20399+217943+137943+1319968(Top 75%)7641(Top 67%)7641(Top 938%)
25K15.53 mi2.42 mi20258+1417850+937850+9319590(Top 74%)7469(Top 65%)7469(Top 916%)
30K18.64 mi3.11 mi20078+1807770+807770+8019424(Top 73%)7428(Top 65%)7428(Top 911%)
20M20.00 mi1.36 mi19948+1307710+607710+6018606(Top 70%)7085(Top 62%)7085(Top 869%)
21M21.00 mi1.00 mi19795+1537618+927618+9217994(Top 68%)6759(Top 59%)6759(Top 829%)
35K21.75 mi0.75 mi19738+577596+227596+2217941(Top 67%)6809(Top 60%)6809(Top 835%)
23M23.00 mi1.25 mi19579+1597511+857511+8517075(Top 64%)6337(Top 55%)6337(Top 778%)
24M24.00 mi1.00 mi19440+1397445+667445+6615799(Top 59%)5712(Top 50%)5712(Top 701%)
40K24.85 mi0.85 mi19305+1357372+737372+7315606(Top 59%)5651(Top 49%)5651(Top 693%)
25.2M25.20 mi0.35 mi19244+617341+317341+3114693(Top 55%)5159(Top 45%)5159(Top 633%)
Finish26.22 mi1.02 mi19053+1917238+1037238+10312912(Top 49%)4183(Top 37%)4183(Top 513%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20677

Females

8053

F55-59

8053

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20404

Females

7925

F55-59

7925

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20677

Females

8053

F55-59

8053

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20580

Females

7995

F55-59

7995

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19968

Females

7641

F55-59

7641

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19590

Females

7469

F55-59

7469

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19424

Females

7428

F55-59

7428

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18606

Females

7085

F55-59

7085

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17994

Females

6759

F55-59

6759

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17941

Females

6809

F55-59

6809

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17075

Females

6337

F55-59

6337

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15799

Females

5712

F55-59

5712

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15606

Females

5651

F55-59

5651

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14693

Females

5159

F55-59

5159

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12912

Females

4183

F55-59

4183

Passing Analysis

Category:
Athletes Passed
2080
Passed By
1071
Net Change
+1009
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20062
5K → 10K228393-165#20062#20227
10K → 15K130247-117#20227#20344
15K → 20K144220-76#20344#20420
20K → Half3615+21#20420#20399
Half → 25K19756+141#20399#20258
25K → 30K24666+180#20258#20078
30K → 20M14414+130#20078#19948
20M → 21M17017+153#19948#19795
21M → 35K7518+57#19795#19738
35K → 23M1678+159#19738#19579
23M → 24M1434+139#19579#19440
24M → 40K1383+135#19440#19305
40K → 25.2M654+61#19305#19244
25.2M → Finish1976+191#19244#19053
TOTALS20801071+1009
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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