Boston Marathon logo
BOSTON MARATHON 2023

Dr Julie Bedford

Bib: 23627•F

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F55-59)
#0 / 815
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:44
Rank: #18266
Start → 5K
26:44 | 8:36/mi
10K· 6.21 mi
53:18
Rank: #18391 (-125)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:19:41
Rank: #18167 (+224)
10K → 15K
26:23 | 8:30/mi
20K· 12.43 mi
1:46:33
Rank: #18046 (+121)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:52:14
Rank: #17974 (+72)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:13:14
Rank: #17804 (+170)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:40:42
Rank: #17494 (+310)
25K → 30K
27:28 | 8:50/mi
20M
2:52:44
Rank: #17348 (+146)
30K → 20M
12:02 | 8:51/mi
21M
3:02:25
Rank: #17302 (+46)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:08:50
Rank: #17240 (+62)
21M → 35K
6:25 | 8:35/mi
23M
3:20:01
Rank: #17145 (+95)
35K → 23M
11:11 | 8:56/mi
24M
3:28:44
Rank: #17072 (+73)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:36:20
Rank: #17024 (+48)
24M → 40K
7:36 | 8:53/mi
25.2M
3:39:44
Rank: #17023 (+1)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:48:42
Rank: #17027 (-4)
25.2M → Finish
8:58 | 8:48/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
Time1:52:14
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0226:448:3626:44
8:36
-
10K
6.21 mi11:48:3653:188:3526:34
8:33
-0:03
15K
9.32 mi12:14:591:19:418:3326:23
8:30
-0:03
20K
12.43 mi12:41:511:46:338:3426:52
8:39
+0:09
Half
13.11 mi12:47:321:52:148:345:41
8:20
-0:19
25K
15.53 mi13:08:322:13:148:3521:00
8:40
+0:20
30K
18.64 mi13:36:002:40:428:3727:28
8:50
+0:10
20M
20.00 mi13:48:022:52:448:3812:02
8:51
+0:01
21M
21.00 mi13:57:433:02:258:419:41
9:41
+0:50
35K
21.75 mi14:04:083:08:508:416:25
8:35
-1:06
23M
23.00 mi14:15:193:20:018:4211:11
8:56
+0:21
24M
24.00 mi14:24:023:28:448:428:43
8:43
-0:13
40K
24.85 mi14:31:383:36:208:427:36
8:53
+0:10
25.2M
25.20 mi14:35:023:39:448:433:24
9:52
+0:59
Finish
26.22 mi14:44:003:48:428:448:58
8:48
-1:04

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

8:20 /mi

Average Pace

8:44 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:37

94% of race

Time at Steady Pace

9:41

4% of race

Time at Slower Pace

3:24

1% of race

Average Pace: 8:43 /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 mi11:22:0226:448:3626:44
8:36
#18266
10K
6.21 mi11:48:3653:188:3526:34
8:33
#18391
15K
9.32 mi12:14:591:19:418:3326:23
8:30
#18167
20K
12.43 mi12:41:511:46:338:3426:52
8:39
#18046
Half
13.11 mi12:47:321:52:148:345:41
8:20
#17974
25K
15.53 mi13:08:322:13:148:3521:00
8:40
#17804
30K
18.64 mi13:36:002:40:428:3727:28
8:50
#17494
20M
20.00 mi13:48:022:52:448:3812:02
8:51
#17348
21M
21.00 mi13:57:433:02:258:419:41
9:41
#17302
35K
21.75 mi14:04:083:08:508:416:25
8:35
#17240
23M
23.00 mi14:15:193:20:018:4211:11
8:56
#17145
24M
24.00 mi14:24:023:28:448:428:43
8:43
#17072
40K
24.85 mi14:31:383:36:208:427:36
8:53
#17024
25.2M
25.20 mi14:35:023:39:448:433:24
9:52
#17023
Finish
26.22 mi14:44:003:48:428:448:58
8:48
#17027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi182666717671717762(Top 67%)6368(Top 56%)6368(Top 781%)
10K6.21 mi3.10 mi18391-1256753-366753-3618570(Top 70%)6810(Top 60%)6810(Top 836%)
15K9.32 mi3.11 mi18167+2246626+1276626+12717762(Top 67%)6368(Top 56%)6368(Top 781%)
20K12.43 mi3.11 mi18046+1216541+856541+8517790(Top 67%)6393(Top 56%)6393(Top 784%)
Half13.11 mi0.68 mi17974+726498+436498+4316731(Top 63%)5742(Top 50%)5742(Top 705%)
25K15.53 mi2.42 mi17804+1706423+756423+7517176(Top 65%)6104(Top 53%)6104(Top 749%)
30K18.64 mi3.11 mi17494+3106252+1716252+17116331(Top 61%)5689(Top 50%)5689(Top 698%)
20M20.00 mi1.36 mi17348+1466186+666186+6615777(Top 59%)5441(Top 48%)5441(Top 668%)
21M21.00 mi1.00 mi17302+466177+96177+916795(Top 63%)6071(Top 53%)6071(Top 745%)
35K21.75 mi0.75 mi17240+626148+296148+2915776(Top 59%)5571(Top 49%)5571(Top 684%)
23M23.00 mi1.25 mi17145+956100+486100+4815725(Top 59%)5594(Top 49%)5594(Top 686%)
24M24.00 mi1.00 mi17072+736085+156085+1515782(Top 59%)5695(Top 50%)5695(Top 699%)
40K24.85 mi0.85 mi17024+486079+66079+615588(Top 59%)5633(Top 49%)5633(Top 691%)
25.2M25.20 mi0.35 mi17023+16079607916853(Top 63%)6344(Top 56%)6344(Top 778%)
Finish26.22 mi1.02 mi17027-46093-146093-1417054(Top 64%)6406(Top 56%)6406(Top 786%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17762

Females

6368

F55-59

6368

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18570

Females

6810

F55-59

6810

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17762

Females

6368

F55-59

6368

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17790

Females

6393

F55-59

6393

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16731

Females

5742

F55-59

5742

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17176

Females

6104

F55-59

6104

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16331

Females

5689

F55-59

5689

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15777

Females

5441

F55-59

5441

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16795

Females

6071

F55-59

6071

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15776

Females

5571

F55-59

5571

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15725

Females

5594

F55-59

5594

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15782

Females

5695

F55-59

5695

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15588

Females

5633

F55-59

5633

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16853

Females

6344

F55-59

6344

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17054

Females

6406

F55-59

6406

Passing Analysis

Category:
Athletes Passed
2181
Passed By
942
Net Change
+1239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18266
5K → 10K249374-125#18266#18391
10K → 15K30581+224#18391#18167
15K → 20K233112+121#18167#18046
20K → Half797+72#18046#17974
Half → 25K21646+170#17974#17804
25K → 30K35444+310#17804#17494
30K → 20M16216+146#17494#17348
20M → 21M10357+46#17348#17302
21M → 35K8018+62#17302#17240
35K → 23M13035+95#17240#17145
23M → 24M10229+73#17145#17072
24M → 40K8032+48#17072#17024
40K → 25.2M2423+1#17024#17023
25.2M → Finish6468-4#17023#17027
TOTALS2181942+1239
📊

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