Boston Marathon logo
BOSTON MARATHON 2023

Anne Clemons

Bib: 21947•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:28
Rank: #21091
Start → 5K
28:28 | 9:10/mi
10K· 6.21 mi
55:36
Rank: #20419 (+672)
5K → 10K
27:08 | 8:44/mi
15K· 9.32 mi
1:22:59
Rank: #20138 (+281)
10K → 15K
27:23 | 8:49/mi
20K· 12.43 mi
1:50:20
Rank: #19743 (+395)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:56:10
Rank: #19667 (+76)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:18:07
Rank: #19581 (+86)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:46:46
Rank: #19341 (+240)
25K → 30K
28:39 | 9:13/mi
20M
2:59:26
Rank: #19230 (+111)
30K → 20M
12:40 | 9:19/mi
21M
3:09:16
Rank: #19107 (+123)
20M → 21M
9:50 | 9:50/mi
35K· 21.75 mi
3:16:22
Rank: #19149 (-42)
21M → 35K
7:06 | 9:29/mi
23M
3:27:56
Rank: #19032 (+117)
35K → 23M
11:34 | 9:14/mi
24M
3:37:01
Rank: #18971 (+61)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:44:56
Rank: #18909 (+62)
24M → 40K
7:55 | 9:16/mi
25.2M
3:48:27
Rank: #18897 (+12)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:57:37
Rank: #18876 (+21)
25.2M → Finish
9:10 | 9:00/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
Time1:56:10
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:01:27
Pace9:16 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3528:289:1028:28
9:10
-
10K
6.21 mi11:48:4355:368:5727:08
8:44
-0:26
15K
9.32 mi12:16:061:22:598:5427:23
8:49
+0:05
20K
12.43 mi12:43:271:50:208:5327:21
8:48
-0:01
Half
13.11 mi12:49:171:56:108:525:50
8:33
-0:15
25K
15.53 mi13:11:142:18:078:5321:57
9:03
+0:30
30K
18.64 mi13:39:532:46:468:5728:39
9:13
+0:10
20M
20.00 mi13:52:332:59:268:5812:40
9:19
+0:06
21M
21.00 mi14:02:233:09:169:019:50
9:50
+0:31
35K
21.75 mi14:09:293:16:229:027:06
9:29
-0:21
23M
23.00 mi14:21:033:27:569:0211:34
9:14
-0:15
24M
24.00 mi14:30:083:37:019:039:05
9:05
-0:09
40K
24.85 mi14:38:033:44:569:037:55
9:16
+0:11
25.2M
25.20 mi14:41:343:48:279:043:31
10:12
+0:56
Finish
26.22 mi14:50:443:57:379:049:10
9:00
-1:12

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

8:33 /mi

Average Pace

9:04 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:10

91% of race

Time at Steady Pace

16:56

7% of race

Time at Slower Pace

3:31

1% of race

Average Pace: 9:04 /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 mi11:21:3528:289:1028:28
9:10
#21091
10K
6.21 mi11:48:4355:368:5727:08
8:44
#20419
15K
9.32 mi12:16:061:22:598:5427:23
8:49
#20138
20K
12.43 mi12:43:271:50:208:5327:21
8:48
#19743
Half
13.11 mi12:49:171:56:108:525:50
8:33
#19667
25K
15.53 mi13:11:142:18:078:5321:57
9:03
#19581
30K
18.64 mi13:39:532:46:468:5728:39
9:13
#19341
20M
20.00 mi13:52:332:59:268:5812:40
9:19
#19230
21M
21.00 mi14:02:233:09:169:019:50
9:50
#19107
35K
21.75 mi14:09:293:16:229:027:06
9:29
#19149
23M
23.00 mi14:21:033:27:569:0211:34
9:14
#19032
24M
24.00 mi14:30:083:37:019:039:05
9:05
#18971
40K
24.85 mi14:38:033:44:569:037:55
9:16
#18909
25.2M
25.20 mi14:41:343:48:279:043:31
10:12
#18897
Finish
26.22 mi14:50:443:57:379:049:10
9:00
#18876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi210918418841819600(Top 74%)7444(Top 65%)7444(Top 1413%)
10K6.21 mi3.10 mi20419+6727987+4317987+43119602(Top 74%)7449(Top 65%)7449(Top 1413%)
15K9.32 mi3.11 mi20138+2817815+1727815+17219600(Top 74%)7444(Top 65%)7444(Top 1413%)
20K12.43 mi3.11 mi19743+3957565+2507565+25018710(Top 70%)6915(Top 61%)6915(Top 1312%)
Half13.11 mi0.68 mi19667+767520+457520+4518082(Top 68%)6546(Top 57%)6546(Top 1242%)
25K15.53 mi2.42 mi19581+867473+477473+4719216(Top 72%)7254(Top 64%)7254(Top 1376%)
30K18.64 mi3.11 mi19341+2407341+1327341+13218269(Top 69%)6802(Top 60%)6802(Top 1291%)
20M20.00 mi1.36 mi19230+1117285+567285+5618123(Top 68%)6809(Top 60%)6809(Top 1292%)
21M21.00 mi1.00 mi19107+1237229+567229+5617400(Top 65%)6433(Top 56%)6433(Top 1221%)
35K21.75 mi0.75 mi19149-427261-327261-3219831(Top 74%)7825(Top 69%)7825(Top 1485%)
23M23.00 mi1.25 mi19032+1177202+597202+5917263(Top 65%)6439(Top 56%)6439(Top 1222%)
24M24.00 mi1.00 mi18971+617182+207182+2017624(Top 66%)6708(Top 59%)6708(Top 1273%)
40K24.85 mi0.85 mi18909+627148+347148+3417375(Top 65%)6618(Top 58%)6618(Top 1256%)
25.2M25.20 mi0.35 mi18897+127149-17149-118157(Top 68%)7037(Top 62%)7037(Top 1335%)
Finish26.22 mi1.02 mi18876+217138+117138+1117976(Top 68%)6902(Top 60%)6902(Top 1310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19600

Females

7444

F60-64

7444

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19602

Females

7449

F60-64

7449

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19600

Females

7444

F60-64

7444

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18710

Females

6915

F60-64

6915

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18082

Females

6546

F60-64

6546

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19216

Females

7254

F60-64

7254

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18269

Females

6802

F60-64

6802

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18123

Females

6809

F60-64

6809

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17400

Females

6433

F60-64

6433

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19831

Females

7825

F60-64

7825

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17263

Females

6439

F60-64

6439

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17624

Females

6708

F60-64

6708

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17375

Females

6618

F60-64

6618

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18157

Females

7037

F60-64

7037

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

17976

Females

6902

F60-64

6902

Passing Analysis

Category:
Athletes Passed
2780
Passed By
565
Net Change
+2215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21091
5K → 10K76290+672#21091#20419
10K → 15K35473+281#20419#20138
15K → 20K42328+395#20138#19743
20K → Half848+76#19743#19667
Half → 25K15670+86#19667#19581
25K → 30K29353+240#19581#19341
30K → 20M13423+111#19341#19230
20M → 21M14724+123#19230#19107
21M → 35K2567-42#19107#19149
35K → 23M14124+117#19149#19032
23M → 24M8524+61#19032#18971
24M → 40K8523+62#18971#18909
40K → 25.2M3523+12#18909#18897
25.2M → Finish5635+21#18897#18876
TOTALS2780565+2215
📊

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