Boston Marathon logo
BOSTON MARATHON 2023

Joanna Graham

Bib: 29053•F

VA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:16
Rank: #20864
Start → 5K
28:16 | 9:06/mi
10K· 6.21 mi
55:17
Rank: #20183 (+681)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:22:24
Rank: #19814 (+369)
10K → 15K
27:07 | 8:44/mi
20K· 12.43 mi
1:53:42
Rank: #20988 (-1174)
15K → 20K
31:18 | 10:04/mi
Half· 13.11 mi
1:59:44
Rank: #20917 (+71)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:22:07
Rank: #20756 (+161)
Half → 25K
22:23 | 9:14/mi
30K· 18.64 mi
2:52:51
Rank: #20718 (+38)
25K → 30K
30:44 | 9:54/mi
20M
3:05:18
Rank: #20497 (+221)
30K → 20M
12:27 | 9:10/mi
21M
3:14:49
Rank: #20245 (+252)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
3:20:56
Rank: #20068 (+177)
21M → 35K
6:07 | 8:11/mi
23M
3:31:27
Rank: #19717 (+351)
35K → 23M
10:31 | 8:24/mi
24M
3:39:46
Rank: #19489 (+228)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:46:49
Rank: #19252 (+237)
24M → 40K
7:03 | 8:15/mi
25.2M
3:49:46
Rank: #19135 (+117)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:57:48
Rank: #18908 (+227)
25.2M → Finish
8:02 | 7:53/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 Half
Distance13.11 mi
Time1:59:44
Pace9:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2028:169:0628:16
9:06
-
10K
6.21 mi12:19:2155:178:5427:01
8:42
-0:24
15K
9.32 mi12:46:281:22:248:5027:07
8:44
+0:02
20K
12.43 mi13:17:461:53:429:0931:18
10:04
+1:20
Half
13.11 mi13:23:481:59:449:086:02
8:51
-1:13
25K
15.53 mi13:46:112:22:079:0922:23
9:14
+0:23
30K
18.64 mi14:16:552:52:519:1630:44
9:54
+0:40
20M
20.00 mi14:29:223:05:189:1612:27
9:10
-0:44
21M
21.00 mi14:38:533:14:499:179:31
9:31
+0:21
35K
21.75 mi14:45:003:20:569:146:07
8:11
-1:20
23M
23.00 mi14:55:313:31:279:1210:31
8:24
+0:13
24M
24.00 mi15:03:503:39:469:098:19
8:19
-0:05
40K
24.85 mi15:10:533:46:499:087:03
8:15
-0:04
25.2M
25.20 mi15:13:503:49:469:072:57
8:33
+0:18
Finish
26.22 mi15:21:523:57:489:058:02
7:53
-0:40

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

7:53 /mi

Average Pace

9:05 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:02

17% of race

Time at Steady Pace

1:03:07

27% of race

Time at Slower Pace

2:14:39

57% 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 mi11:52:2028:169:0628:16
9:06
#20864
10K
6.21 mi12:19:2155:178:5427:01
8:42
#20183
15K
9.32 mi12:46:281:22:248:5027:07
8:44
#19814
20K
12.43 mi13:17:461:53:429:0931:18
10:04
#20988
Half
13.11 mi13:23:481:59:449:086:02
8:51
#20917
25K
15.53 mi13:46:112:22:079:0922:23
9:14
#20756
30K
18.64 mi14:16:552:52:519:1630:44
9:54
#20718
20M
20.00 mi14:29:223:05:189:1612:27
9:10
#20497
21M
21.00 mi14:38:533:14:499:179:31
9:31
#20245
35K
21.75 mi14:45:003:20:569:146:07
8:11
#20068
23M
23.00 mi14:55:313:31:279:1210:31
8:24
#19717
24M
24.00 mi15:03:503:39:469:098:19
8:19
#19489
40K
24.85 mi15:10:533:46:499:087:03
8:15
#19252
25.2M
25.20 mi15:13:503:49:469:072:57
8:33
#19135
Finish
26.22 mi15:21:523:57:489:058:02
7:53
#18908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi208648301830119133(Top 72%)7181(Top 63%)7181(Top 382%)
10K6.21 mi3.10 mi20183+6817864+4377864+43719417(Top 73%)7327(Top 64%)7327(Top 390%)
15K9.32 mi3.11 mi19814+3697628+2367628+23619133(Top 72%)7181(Top 63%)7181(Top 382%)
20K12.43 mi3.11 mi20988-11748267-6398267-63923069(Top 87%)9384(Top 82%)9384(Top 500%)
Half13.11 mi0.68 mi20917+718221+468221+4619743(Top 74%)7514(Top 66%)7514(Top 400%)
25K15.53 mi2.42 mi20756+1618127+948127+9419961(Top 75%)7664(Top 67%)7664(Top 408%)
30K18.64 mi3.11 mi20718+388115+128115+1220728(Top 78%)8183(Top 72%)8183(Top 436%)
20M20.00 mi1.36 mi20497+2218018+978018+9717397(Top 65%)6396(Top 56%)6396(Top 341%)
21M21.00 mi1.00 mi20245+2527891+1277891+12716072(Top 60%)5679(Top 50%)5679(Top 302%)
35K21.75 mi0.75 mi20068+1777796+957796+9513341(Top 50%)4203(Top 37%)4203(Top 224%)
23M23.00 mi1.25 mi19717+3517595+2017595+20112620(Top 47%)3871(Top 34%)3871(Top 206%)
24M24.00 mi1.00 mi19489+2287476+1197476+11913379(Top 50%)4337(Top 38%)4337(Top 231%)
40K24.85 mi0.85 mi19252+2377341+1357341+13511730(Top 44%)3542(Top 31%)3542(Top 189%)
25.2M25.20 mi0.35 mi19135+1177280+617280+6110035(Top 38%)2751(Top 24%)2751(Top 146%)
Finish26.22 mi1.02 mi18908+2277156+1247156+12411344(Top 43%)3382(Top 30%)3382(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19133

Females

7181

F40-44

7181

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19417

Females

7327

F40-44

7327

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19133

Females

7181

F40-44

7181

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23069

Females

9384

F40-44

9384

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19743

Females

7514

F40-44

7514

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19961

Females

7664

F40-44

7664

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20728

Females

8183

F40-44

8183

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17397

Females

6396

F40-44

6396

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16072

Females

5679

F40-44

5679

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13341

Females

4203

F40-44

4203

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12620

Females

3871

F40-44

3871

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13379

Females

4337

F40-44

4337

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11730

Females

3542

F40-44

3542

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10035

Females

2751

F40-44

2751

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11344

Females

3382

F40-44

3382

Passing Analysis

Category:
Athletes Passed
3487
Passed By
1531
Net Change
+1956
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20864
5K → 10K787106+681#20864#20183
10K → 15K43263+369#20183#19814
15K → 20K181192-1174#19814#20988
20K → Half765+71#20988#20917
Half → 25K19332+161#20917#20756
25K → 30K163125+38#20756#20718
30K → 20M2265+221#20718#20497
20M → 21M2531+252#20497#20245
21M → 35K1770+177#20245#20068
35K → 23M3510+351#20068#19717
23M → 24M2302+228#19717#19489
24M → 40K2370+237#19489#19252
40K → 25.2M1170+117#19252#19135
25.2M → Finish2270+227#19135#18908
TOTALS34871531+1956
📊

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