Boston Marathon logo
BOSTON MARATHON 2023

Lynn Fitzgibbons

Bib: 17264•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F45-49)
#0 / 1817
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12501
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
47:48
Rank: #11731 (+770)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:10:58
Rank: #11055 (+676)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:34:12
Rank: #10522 (+533)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:39:15
Rank: #10471 (+51)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:33
Rank: #10206 (+265)
Half → 25K
18:18 | 7:33/mi
30K· 18.64 mi
2:21:27
Rank: #9892 (+314)
25K → 30K
23:54 | 7:42/mi
20M
2:32:02
Rank: #9752 (+140)
30K → 20M
10:35 | 7:47/mi
21M
2:40:18
Rank: #9692 (+60)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:45:52
Rank: #9616 (+76)
21M → 35K
5:34 | 7:26/mi
23M
2:55:36
Rank: #9490 (+126)
35K → 23M
9:44 | 7:46/mi
24M
3:03:05
Rank: #9376 (+114)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:09:39
Rank: #9294 (+82)
24M → 40K
6:34 | 7:41/mi
25.2M
3:12:27
Rank: #9253 (+41)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:20:13
Rank: #9255 (-2)
25.2M → Finish
7:46 | 7:37/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
Time1:39:15
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5424:177:4924:17
7:49
-
10K
6.21 mi11:38:2547:487:4223:31
7:34
-0:15
15K
9.32 mi12:01:351:10:587:3723:10
7:27
-0:07
20K
12.43 mi12:24:491:34:127:3523:14
7:29
+0:02
Half
13.11 mi12:29:521:39:157:345:03
7:24
-0:05
25K
15.53 mi12:48:101:57:337:3418:18
7:33
+0:09
30K
18.64 mi13:12:042:21:277:3523:54
7:42
+0:09
20M
20.00 mi13:22:392:32:027:3610:35
7:47
+0:05
21M
21.00 mi13:30:552:40:187:388:16
8:16
+0:29
35K
21.75 mi13:36:292:45:527:385:34
7:26
-0:50
23M
23.00 mi13:46:132:55:367:389:44
7:46
+0:20
24M
24.00 mi13:53:423:03:057:387:29
7:29
-0:17
40K
24.85 mi14:00:163:09:397:386:34
7:41
+0:12
25.2M
25.20 mi14:03:043:12:277:382:48
8:07
+0:26
Finish
26.22 mi14:10:503:20:137:397:46
7:37
-0:30

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

7:24 /mi

Average Pace

7:39 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:57

96% of race

Time at Steady Pace

8:16

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi11:14:5424:177:4924:17
7:49
#12501
10K
6.21 mi11:38:2547:487:4223:31
7:34
#11731
15K
9.32 mi12:01:351:10:587:3723:10
7:27
#11055
20K
12.43 mi12:24:491:34:127:3523:14
7:29
#10522
Half
13.11 mi12:29:521:39:157:345:03
7:24
#10471
25K
15.53 mi12:48:101:57:337:3418:18
7:33
#10206
30K
18.64 mi13:12:042:21:277:3523:54
7:42
#9892
20M
20.00 mi13:22:392:32:027:3610:35
7:47
#9752
21M
21.00 mi13:30:552:40:187:388:16
8:16
#9692
35K
21.75 mi13:36:292:45:527:385:34
7:26
#9616
23M
23.00 mi13:46:132:55:367:389:44
7:46
#9490
24M
24.00 mi13:53:423:03:057:387:29
7:29
#9376
40K
24.85 mi14:00:163:09:397:386:34
7:41
#9294
25.2M
25.20 mi14:03:043:12:277:382:48
8:07
#9253
Finish
26.22 mi14:10:503:20:137:397:46
7:37
#9255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi12501315431549843(Top 37%)1769(Top 15%)1769(Top 97%)
10K6.21 mi3.10 mi11731+7702718+4362718+43611050(Top 42%)2337(Top 20%)2337(Top 129%)
15K9.32 mi3.11 mi11055+6762359+3592359+3599843(Top 37%)1769(Top 15%)1769(Top 97%)
20K12.43 mi3.11 mi10522+5332081+2782081+2789160(Top 34%)1552(Top 14%)1552(Top 85%)
Half13.11 mi0.68 mi10471+512057+242057+249490(Top 36%)1670(Top 15%)1670(Top 92%)
25K15.53 mi2.42 mi10206+2651954+1031954+1039153(Top 34%)1618(Top 14%)1618(Top 89%)
30K18.64 mi3.11 mi9892+3141845+1091845+1098605(Top 32%)1556(Top 14%)1556(Top 86%)
20M20.00 mi1.36 mi9752+1401810+351810+358788(Top 33%)1708(Top 15%)1708(Top 94%)
21M21.00 mi1.00 mi9692+601798+121798+129046(Top 34%)1943(Top 17%)1943(Top 107%)
35K21.75 mi0.75 mi9616+761790+81790+88148(Top 31%)1566(Top 14%)1566(Top 86%)
23M23.00 mi1.25 mi9490+1261762+281762+288257(Top 31%)1695(Top 15%)1695(Top 93%)
24M24.00 mi1.00 mi9376+1141750+121750+127626(Top 29%)1531(Top 13%)1531(Top 84%)
40K24.85 mi0.85 mi9294+821743+71743+77872(Top 30%)1702(Top 15%)1702(Top 94%)
25.2M25.20 mi0.35 mi9253+411740+31740+37299(Top 27%)1543(Top 14%)1543(Top 85%)
Finish26.22 mi1.02 mi9255-21757-171757-179435(Top 35%)2440(Top 21%)2440(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9843

Females

1769

F45-49

1769

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11050

Females

2337

F45-49

2337

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9843

Females

1769

F45-49

1769

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9160

Females

1552

F45-49

1552

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9490

Females

1670

F45-49

1670

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9153

Females

1618

F45-49

1618

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8605

Females

1556

F45-49

1556

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8788

Females

1708

F45-49

1708

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9046

Females

1943

F45-49

1943

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8148

Females

1566

F45-49

1566

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8257

Females

1695

F45-49

1695

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7626

Females

1531

F45-49

1531

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7872

Females

1702

F45-49

1702

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7299

Females

1543

F45-49

1543

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9435

Females

2440

F45-49

2440

Passing Analysis

Category:
Athletes Passed
3641*
Passed By
395
Net Change
+3246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12501
5K → 10K85181+770#12501#11731
10K → 15K69317+676#11731#11055
15K → 20K54613+533#11055#10522
20K → Half6514+51#10522#10471
Half → 25K28520+265#10471#10206
25K → 30K348*34+314#10206#9892
30K → 20M16323+140#9892#9752
20M → 21M10242+60#9752#9692
21M → 35K859+76#9692#9616
35K → 23M15529+126#9616#9490
23M → 24M13420+114#9490#9376
24M → 40K11331+82#9376#9294
40K → 25.2M465+41#9294#9253
25.2M → Finish5557-2#9253#9255
TOTALS3641*395+3246

* 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