Boston Marathon logo
BOSTON MARATHON 2023

Margaret Moore

Bib: 25652•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
32:45
Rank: #24806
Start → 5K
32:45 | 10:32/mi
10K· 6.21 mi
1:04:50
Rank: #24566 (+240)
5K → 10K
32:05 | 10:20/mi
15K· 9.32 mi
1:37:58
Rank: #24651 (-85)
10K → 15K
33:08 | 10:40/mi
20K· 12.43 mi
2:10:34
Rank: #24429 (+222)
15K → 20K
32:36 | 10:30/mi
Half· 13.11 mi
2:17:35
Rank: #24398 (+31)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:43:58
Rank: #24285 (+113)
Half → 25K
26:23 | 10:53/mi
30K· 18.64 mi
3:16:08
Rank: #23854 (+431)
25K → 30K
32:10 | 10:21/mi
20M
3:30:32
Rank: #23706 (+148)
30K → 20M
14:24 | 10:36/mi
21M
3:43:08
Rank: #23703 (+3)
20M → 21M
12:36 | 12:36/mi
35K· 21.75 mi
3:50:37
Rank: #23637 (+66)
21M → 35K
7:29 | 10:00/mi
23M
4:04:28
Rank: #23590 (+47)
35K → 23M
13:51 | 11:04/mi
24M
4:14:23
Rank: #23500 (+90)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
4:23:51
Rank: #23460 (+40)
24M → 40K
9:28 | 11:04/mi
25.2M
4:28:07
Rank: #23450 (+10)
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:38:23
Rank: #23398 (+52)
25.2M → Finish
10:16 | 10:04/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
Time2:17:35
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:20:48
Pace10:44 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0532:4510:3232:45
10:32
-
10K
6.21 mi12:21:101:04:5010:2632:05
10:20
-0:12
15K
9.32 mi12:54:181:37:5810:3133:08
10:40
+0:20
20K
12.43 mi13:26:542:10:3410:3032:36
10:30
-0:10
Half
13.11 mi13:33:552:17:3510:307:01
10:17
-0:13
25K
15.53 mi14:00:182:43:5810:3326:23
10:53
+0:36
30K
18.64 mi14:32:283:16:0810:3132:10
10:21
-0:32
20M
20.00 mi14:46:523:30:3210:3214:24
10:36
+0:15
21M
21.00 mi14:59:283:43:0810:3812:36
12:36
+2:00
35K
21.75 mi15:06:573:50:3710:367:29
10:00
-2:36
23M
23.00 mi15:20:484:04:2810:3813:51
11:04
+1:04
24M
24.00 mi15:30:434:14:2310:369:55
9:55
-1:09
40K
24.85 mi15:40:114:23:5110:379:28
11:04
+1:09
25.2M
25.20 mi15:44:274:28:0710:384:16
12:22
+1:18
Finish
26.22 mi15:54:434:38:2310:3810:16
10:04
-2:18

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

9:55 /mi

Average Pace

10:38 /mi

Slowest Pace

12:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:40

10% of race

Time at Steady Pace

3:30:32

76% of race

Time at Slower Pace

40:11

14% of race

Average Pace: 10:37 /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 mi11:49:0532:4510:3232:45
10:32
#24806
10K
6.21 mi12:21:101:04:5010:2632:05
10:20
#24566
15K
9.32 mi12:54:181:37:5810:3133:08
10:40
#24651
20K
12.43 mi13:26:542:10:3410:3032:36
10:30
#24429
Half
13.11 mi13:33:552:17:3510:307:01
10:17
#24398
25K
15.53 mi14:00:182:43:5810:3326:23
10:53
#24285
30K
18.64 mi14:32:283:16:0810:3132:10
10:21
#23854
20M
20.00 mi14:46:523:30:3210:3214:24
10:36
#23706
21M
21.00 mi14:59:283:43:0810:3812:36
12:36
#23703
35K
21.75 mi15:06:573:50:3710:367:29
10:00
#23637
23M
23.00 mi15:20:484:04:2810:3813:51
11:04
#23590
24M
24.00 mi15:30:434:14:2310:369:55
9:55
#23500
40K
24.85 mi15:40:114:23:5110:379:28
11:04
#23460
25.2M
25.20 mi15:44:274:28:0710:384:16
12:22
#23450
Finish
26.22 mi15:54:434:38:2310:3810:16
10:04
#23398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24806103291032924751(Top 93%)10318(Top 90%)10318(Top 211%)
10K6.21 mi3.10 mi24566+24010196+13310196+13324350(Top 91%)10088(Top 88%)10088(Top 207%)
15K9.32 mi3.11 mi24651-8510253-5710253-5724751(Top 93%)10318(Top 90%)10318(Top 211%)
20K12.43 mi3.11 mi24429+22210131+12210131+12223819(Top 89%)9806(Top 86%)9806(Top 201%)
Half13.11 mi0.68 mi24398+3110118+1310118+1323829(Top 90%)9818(Top 86%)9818(Top 201%)
25K15.53 mi2.42 mi24285+11310066+5210066+5223790(Top 89%)9840(Top 86%)9840(Top 201%)
30K18.64 mi3.11 mi23854+4319840+2269840+22621902(Top 82%)8852(Top 77%)8852(Top 181%)
20M20.00 mi1.36 mi23706+1489771+699771+6921956(Top 82%)8953(Top 78%)8953(Top 183%)
21M21.00 mi1.00 mi23703+39775-49775-423591(Top 89%)9856(Top 86%)9856(Top 202%)
35K21.75 mi0.75 mi23637+669740+359740+3521305(Top 80%)8662(Top 76%)8662(Top 177%)
23M23.00 mi1.25 mi23590+479720+209720+2022463(Top 84%)9305(Top 81%)9305(Top 191%)
24M24.00 mi1.00 mi23500+909686+349686+3420580(Top 77%)8320(Top 73%)8320(Top 170%)
40K24.85 mi0.85 mi23460+409674+129674+1222514(Top 85%)9406(Top 82%)9406(Top 193%)
25.2M25.20 mi0.35 mi23450+109677-39677-323112(Top 87%)9728(Top 85%)9728(Top 199%)
Finish26.22 mi1.02 mi23398+529661+169661+1621980(Top 83%)9109(Top 80%)9109(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24751

Females

10318

F18-39

10318

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24350

Females

10088

F18-39

10088

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24751

Females

10318

F18-39

10318

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23819

Females

9806

F18-39

9806

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23829

Females

9818

F18-39

9818

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23790

Females

9840

F18-39

9840

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21902

Females

8852

F18-39

8852

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21956

Females

8953

F18-39

8953

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23591

Females

9856

F18-39

9856

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21305

Females

8662

F18-39

8662

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22463

Females

9305

F18-39

9305

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20580

Females

8320

F18-39

8320

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22514

Females

9406

F18-39

9406

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23112

Females

9728

F18-39

9728

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21980

Females

9109

F18-39

9109

Passing Analysis

Category:
Athletes Passed
1857
Passed By
449
Net Change
+1408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24806
5K → 10K33797+240#24806#24566
10K → 15K96181-85#24566#24651
15K → 20K23715+222#24651#24429
20K → Half387+31#24429#24398
Half → 25K13926+113#24398#24285
25K → 30K4332+431#24285#23854
30K → 20M1524+148#23854#23706
20M → 21M5047+3#23706#23703
21M → 35K671+66#23703#23637
35K → 23M7225+47#23637#23590
23M → 24M944+90#23590#23500
24M → 40K5818+40#23500#23460
40K → 25.2M2111+10#23460#23450
25.2M → Finish6311+52#23450#23398
TOTALS1857449+1408
📊

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