Boston Marathon logo
BOSTON MARATHON 2023

Ann Ball

Bib: 14038•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #10564
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
47:03
Rank: #10662 (-98)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:10:11
Rank: #10329 (+333)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:33:35
Rank: #10097 (+232)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:38:41
Rank: #10078 (+19)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:13
Rank: #10016 (+62)
Half → 25K
18:32 | 7:39/mi
30K· 18.64 mi
2:21:39
Rank: #9965 (+51)
25K → 30K
24:26 | 7:52/mi
20M
2:32:20
Rank: #9869 (+96)
30K → 20M
10:41 | 7:52/mi
21M
2:40:50
Rank: #9886 (-17)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:46:27
Rank: #9829 (+57)
21M → 35K
5:37 | 7:30/mi
23M
2:56:11
Rank: #9688 (+141)
35K → 23M
9:44 | 7:46/mi
24M
3:03:52
Rank: #9620 (+68)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
3:10:33
Rank: #9556 (+64)
24M → 40K
6:41 | 7:49/mi
25.2M
3:13:24
Rank: #9515 (+41)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:20:59
Rank: #9453 (+62)
25.2M → Finish
7:35 | 7:26/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
Time1:38:41
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:18
Pace7:48 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3823:377:3623:37
7:36
-
10K
6.21 mi11:18:0447:037:3423:26
7:33
-0:03
15K
9.32 mi11:41:121:10:117:3223:08
7:27
-0:06
20K
12.43 mi12:04:361:33:357:3223:24
7:32
+0:05
Half
13.11 mi12:09:421:38:417:325:06
7:29
-0:03
25K
15.53 mi12:28:141:57:137:3318:32
7:39
+0:10
30K
18.64 mi12:52:402:21:397:3624:26
7:52
+0:13
20M
20.00 mi13:03:212:32:207:3710:41
7:52
0:00
21M
21.00 mi13:11:512:40:507:408:30
8:30
+0:38
35K
21.75 mi13:17:282:46:277:395:37
7:30
-1:00
23M
23.00 mi13:27:122:56:117:409:44
7:46
+0:16
24M
24.00 mi13:34:533:03:527:407:41
7:41
-0:05
40K
24.85 mi13:41:343:10:337:406:41
7:49
+0:08
25.2M
25.20 mi13:44:253:13:247:402:51
8:16
+0:27
Finish
26.22 mi13:52:003:20:597:407:35
7:26
-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

7:26 /mi

Average Pace

7:40 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:38

94% of race

Time at Steady Pace

11:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:54:3823:377:3623:37
7:36
#10564
10K
6.21 mi11:18:0447:037:3423:26
7:33
#10662
15K
9.32 mi11:41:121:10:117:3223:08
7:27
#10329
20K
12.43 mi12:04:361:33:357:3223:24
7:32
#10097
Half
13.11 mi12:09:421:38:417:325:06
7:29
#10078
25K
15.53 mi12:28:141:57:137:3318:32
7:39
#10016
30K
18.64 mi12:52:402:21:397:3624:26
7:52
#9965
20M
20.00 mi13:03:212:32:207:3710:41
7:52
#9869
21M
21.00 mi13:11:512:40:507:408:30
8:30
#9886
35K
21.75 mi13:17:282:46:277:395:37
7:30
#9829
23M
23.00 mi13:27:122:56:117:409:44
7:46
#9688
24M
24.00 mi13:34:533:03:527:407:41
7:41
#9620
40K
24.85 mi13:41:343:10:337:406:41
7:49
#9556
25.2M
25.20 mi13:44:253:13:247:402:51
8:16
#9515
Finish
26.22 mi13:52:003:20:597:407:35
7:26
#9453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10564211621169745(Top 37%)1726(Top 15%)1726(Top 35%)
10K6.21 mi3.10 mi10662-982151-352151-3510827(Top 41%)2217(Top 19%)2217(Top 45%)
15K9.32 mi3.11 mi10329+3331972+1791972+1799745(Top 37%)1726(Top 15%)1726(Top 35%)
20K12.43 mi3.11 mi10097+2321879+931879+939582(Top 36%)1727(Top 15%)1727(Top 35%)
Half13.11 mi0.68 mi10078+191871+81871+810081(Top 38%)1917(Top 17%)1917(Top 39%)
25K15.53 mi2.42 mi10016+621868+31868+39883(Top 37%)1952(Top 17%)1952(Top 40%)
30K18.64 mi3.11 mi9965+511878-101878-109861(Top 37%)2094(Top 18%)2094(Top 43%)
20M20.00 mi1.36 mi9869+961862+161862+169327(Top 35%)1946(Top 17%)1946(Top 40%)
21M21.00 mi1.00 mi9886-171894-321894-3210499(Top 39%)2620(Top 23%)2620(Top 54%)
35K21.75 mi0.75 mi9829+571887+71887+78620(Top 32%)1739(Top 15%)1739(Top 36%)
23M23.00 mi1.25 mi9688+1411856+311856+318261(Top 31%)1699(Top 15%)1699(Top 35%)
24M24.00 mi1.00 mi9620+681849+71849+79001(Top 34%)2095(Top 18%)2095(Top 43%)
40K24.85 mi0.85 mi9556+641848+11848+18810(Top 33%)2087(Top 18%)2087(Top 43%)
25.2M25.20 mi0.35 mi9515+411844+41844+48157(Top 31%)1884(Top 16%)1884(Top 39%)
Finish26.22 mi1.02 mi9453+621842+21842+28121(Top 31%)1885(Top 17%)1885(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9745

Females

1726

F18-39

1726

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10827

Females

2217

F18-39

2217

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9745

Females

1726

F18-39

1726

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9582

Females

1727

F18-39

1727

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10081

Females

1917

F18-39

1917

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9883

Females

1952

F18-39

1952

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9861

Females

2094

F18-39

2094

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9327

Females

1946

F18-39

1946

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10499

Females

2620

F18-39

2620

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8620

Females

1739

F18-39

1739

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8261

Females

1699

F18-39

1699

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9001

Females

2095

F18-39

2095

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8810

Females

2087

F18-39

2087

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8157

Females

1884

F18-39

1884

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8121

Females

1885

F18-39

1885

Passing Analysis

Category:
Athletes Passed
2093*
Passed By
981
Net Change
+1111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10564
5K → 10K240338-98#10564#10662
10K → 15K40471+333#10662#10329
15K → 20K292*60+232#10329#10097
20K → Half47*28+19#10097#10078
Half → 25K14987+62#10078#10016
25K → 30K178*127+51#10016#9965
30K → 20M13337+96#9965#9869
20M → 21M7995-17#9869#9886
21M → 35K7215+57#9886#9829
35K → 23M16625+141#9829#9688
23M → 24M9628+68#9688#9620
24M → 40K86*22+64#9620#9556
40K → 25.2M5110+41#9556#9515
25.2M → Finish10038+62#9515#9453
TOTALS2093*981+1111

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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