Boston Marathon logo
BOSTON MARATHON 2023

Brenda Mcclure

Bib: 18669•F

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F40-44)
#0 / 1878
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #13902
Start → 5K
24:48 | 7:59/mi
10K· 6.21 mi
48:53
Rank: #13332 (+570)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:12:53
Rank: #12874 (+458)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:37:44
Rank: #12990 (-116)
15K → 20K
24:51 | 8:00/mi
Half· 13.11 mi
1:43:01
Rank: #12948 (+42)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:02:18
Rank: #12811 (+137)
Half → 25K
19:17 | 7:57/mi
30K· 18.64 mi
2:28:01
Rank: #12822 (-11)
25K → 30K
25:43 | 8:17/mi
20M
2:39:24
Rank: #12798 (+24)
30K → 20M
11:23 | 8:23/mi
21M
2:48:33
Rank: #12874 (-76)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:54:39
Rank: #12879 (-5)
21M → 35K
6:06 | 8:09/mi
23M
3:05:29
Rank: #12941 (-62)
35K → 23M
10:50 | 8:39/mi
24M
3:13:54
Rank: #12973 (-32)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:21:21
Rank: #13022 (-49)
24M → 40K
7:27 | 8:43/mi
25.2M
3:24:39
Rank: #13056 (-34)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:33:33
Rank: #13202 (-146)
25.2M → Finish
8:54 | 8:44/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
Time1:43:01
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:50:32
Pace8:26 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5924:487:5924:48
7:59
-
10K
6.21 mi11:40:0448:537:5224:05
7:45
-0:14
15K
9.32 mi12:04:041:12:537:4924:00
7:43
-0:02
20K
12.43 mi12:28:551:37:447:5224:51
8:00
+0:17
Half
13.11 mi12:34:121:43:017:515:17
7:45
-0:15
25K
15.53 mi12:53:292:02:187:5219:17
7:57
+0:12
30K
18.64 mi13:19:122:28:017:5625:43
8:17
+0:20
20M
20.00 mi13:30:352:39:247:5811:23
8:23
+0:06
21M
21.00 mi13:39:442:48:338:029:09
9:09
+0:46
35K
21.75 mi13:45:502:54:398:026:06
8:09
-1:00
23M
23.00 mi13:56:403:05:298:0410:50
8:39
+0:30
24M
24.00 mi14:05:053:13:548:058:25
8:25
-0:14
40K
24.85 mi14:12:323:21:218:067:27
8:43
+0:18
25.2M
25.20 mi14:15:503:24:398:073:18
9:34
+0:51
Finish
26.22 mi14:24:443:33:338:098:54
8:44
-0:50

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

7:43 /mi

Average Pace

8:09 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:18

57% of race

Time at Steady Pace

51:37

24% of race

Time at Slower Pace

39:38

19% of race

Average Pace: 8:09 /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 mi11:15:5924:487:5924:48
7:59
#13902
10K
6.21 mi11:40:0448:537:5224:05
7:45
#13332
15K
9.32 mi12:04:041:12:537:4924:00
7:43
#12874
20K
12.43 mi12:28:551:37:447:5224:51
8:00
#12990
Half
13.11 mi12:34:121:43:017:515:17
7:45
#12948
25K
15.53 mi12:53:292:02:187:5219:17
7:57
#12811
30K
18.64 mi13:19:122:28:017:5625:43
8:17
#12822
20M
20.00 mi13:30:352:39:247:5811:23
8:23
#12798
21M
21.00 mi13:39:442:48:338:029:09
9:09
#12874
35K
21.75 mi13:45:502:54:398:026:06
8:09
#12879
23M
23.00 mi13:56:403:05:298:0410:50
8:39
#12941
24M
24.00 mi14:05:053:13:548:058:25
8:25
#12973
40K
24.85 mi14:12:323:21:218:067:27
8:43
#13022
25.2M
25.20 mi14:15:503:24:398:073:18
9:34
#13056
Finish
26.22 mi14:24:443:33:338:098:54
8:44
#13202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi139023966396612073(Top 45%)2941(Top 26%)2941(Top 157%)
10K6.21 mi3.10 mi13332+5703646+3203646+32012709(Top 48%)3262(Top 29%)3262(Top 174%)
15K9.32 mi3.11 mi12874+4583384+2623384+26212073(Top 45%)2941(Top 26%)2941(Top 157%)
20K12.43 mi3.11 mi12990-1163480-963480-9613424(Top 50%)3778(Top 33%)3778(Top 201%)
Half13.11 mi0.68 mi12948+423455+253455+2512333(Top 46%)3125(Top 27%)3125(Top 166%)
25K15.53 mi2.42 mi12811+1373404+513404+5112365(Top 46%)3293(Top 29%)3293(Top 175%)
30K18.64 mi3.11 mi12822-113445-413445-4112891(Top 48%)3689(Top 32%)3689(Top 196%)
20M20.00 mi1.36 mi12798+243448-33448-312889(Top 48%)3799(Top 33%)3799(Top 202%)
21M21.00 mi1.00 mi12874-763517-693517-6914218(Top 53%)4595(Top 40%)4595(Top 245%)
35K21.75 mi0.75 mi12879-53535-183535-1813173(Top 49%)4094(Top 36%)4094(Top 218%)
23M23.00 mi1.25 mi12941-623594-593594-5914092(Top 53%)4667(Top 41%)4667(Top 249%)
24M24.00 mi1.00 mi12973-323632-383632-3813984(Top 53%)4658(Top 41%)4658(Top 248%)
40K24.85 mi0.85 mi13022-493690-583690-5814596(Top 55%)5070(Top 44%)5070(Top 270%)
25.2M25.20 mi0.35 mi13056-343719-293719-2915511(Top 58%)5572(Top 49%)5572(Top 297%)
Finish26.22 mi1.02 mi13202-1463816-973816-9716673(Top 63%)6186(Top 54%)6186(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12073

Females

2941

F40-44

2941

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12709

Females

3262

F40-44

3262

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12073

Females

2941

F40-44

2941

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13424

Females

3778

F40-44

3778

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12333

Females

3125

F40-44

3125

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12365

Females

3293

F40-44

3293

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12891

Females

3689

F40-44

3689

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12889

Females

3799

F40-44

3799

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14218

Females

4595

F40-44

4595

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13173

Females

4094

F40-44

4094

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14092

Females

4667

F40-44

4667

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13984

Females

4658

F40-44

4658

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14596

Females

5070

F40-44

5070

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15511

Females

5572

F40-44

5572

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16673

Females

6186

F40-44

6186

Passing Analysis

Category:
Athletes Passed
2229
Passed By
1529
Net Change
+700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13902
5K → 10K677107+570#13902#13332
10K → 15K51153+458#13332#12874
15K → 20K154270-116#12874#12990
20K → Half5412+42#12990#12948
Half → 25K20366+137#12948#12811
25K → 30K186197-11#12811#12822
30K → 20M11389+24#12822#12798
20M → 21M70146-76#12798#12874
21M → 35K4853-5#12874#12879
35K → 23M64126-62#12879#12941
23M → 24M5688-32#12941#12973
24M → 40K55104-49#12973#13022
40K → 25.2M1751-34#13022#13056
25.2M → Finish21167-146#13056#13202
TOTALS22291529+700
📊

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