Boston Marathon logo
BOSTON MARATHON 2023

Kerri Dellisanti

Bib: 7726•F

WA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F45-49)
#0 / 1817
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #10978
Start → 5K
23:45 | 7:39/mi
10K· 6.21 mi
47:30
Rank: #11308 (-330)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:11:25
Rank: #11468 (-160)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:38
Rank: #11497 (-29)
15K → 20K
24:13 | 7:48/mi
Half· 13.11 mi
1:40:41
Rank: #11365 (+132)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:59:25
Rank: #11193 (+172)
Half → 25K
18:44 | 7:44/mi
30K· 18.64 mi
2:23:33
Rank: #10785 (+408)
25K → 30K
24:08 | 7:46/mi
20M
2:34:09
Rank: #10616 (+169)
30K → 20M
10:36 | 7:48/mi
21M
2:42:29
Rank: #10516 (+100)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:48:07
Rank: #10428 (+88)
21M → 35K
5:38 | 7:32/mi
23M
2:57:56
Rank: #10298 (+130)
35K → 23M
9:49 | 7:50/mi
24M
3:05:42
Rank: #10242 (+56)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:12:25
Rank: #10158 (+84)
24M → 40K
6:43 | 7:51/mi
25.2M
3:15:21
Rank: #10146 (+12)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:22:58
Rank: #10043 (+103)
25.2M → Finish
7:37 | 7:28/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
Time1:40:41
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:17
Pace7:48 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3223:457:3923:45
7:39
-
10K
6.21 mi10:52:1747:307:3923:45
7:39
0:00
15K
9.32 mi11:16:121:11:257:4023:55
7:42
+0:03
20K
12.43 mi11:40:251:35:387:4224:13
7:48
+0:06
Half
13.11 mi11:45:281:40:417:415:03
7:24
-0:24
25K
15.53 mi12:04:121:59:257:4118:44
7:44
+0:20
30K
18.64 mi12:28:202:23:337:4224:08
7:46
+0:02
20M
20.00 mi12:38:562:34:097:4210:36
7:48
+0:02
21M
21.00 mi12:47:162:42:297:448:20
8:20
+0:32
35K
21.75 mi12:52:542:48:077:445:38
7:32
-0:48
23M
23.00 mi13:02:432:57:567:449:49
7:50
+0:18
24M
24.00 mi13:10:293:05:427:447:46
7:46
-0:04
40K
24.85 mi13:17:123:12:257:446:43
7:51
+0:05
25.2M
25.20 mi13:20:083:15:217:452:56
8:30
+0:39
Finish
26.22 mi13:27:453:22:587:457:37
7:28
-1:02

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

7:24 /mi

Average Pace

7:45 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:42

94% of race

Time at Steady Pace

11:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:28:3223:457:3923:45
7:39
#10978
10K
6.21 mi10:52:1747:307:3923:45
7:39
#11308
15K
9.32 mi11:16:121:11:257:4023:55
7:42
#11468
20K
12.43 mi11:40:251:35:387:4224:13
7:48
#11497
Half
13.11 mi11:45:281:40:417:415:03
7:24
#11365
25K
15.53 mi12:04:121:59:257:4118:44
7:44
#11193
30K
18.64 mi12:28:202:23:337:4224:08
7:46
#10785
20M
20.00 mi12:38:562:34:097:4210:36
7:48
#10616
21M
21.00 mi12:47:162:42:297:448:20
8:20
#10516
35K
21.75 mi12:52:542:48:077:445:38
7:32
#10428
23M
23.00 mi13:02:432:57:567:449:49
7:50
#10298
24M
24.00 mi13:10:293:05:427:447:46
7:46
#10242
40K
24.85 mi13:17:123:12:257:446:43
7:51
#10158
25.2M
25.20 mi13:20:083:15:217:452:56
8:30
#10146
Finish
26.22 mi13:27:453:22:587:457:37
7:28
#10043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi109782315231511833(Top 44%)2806(Top 25%)2806(Top 154%)
10K6.21 mi3.10 mi11308-3302496-1812496-18111747(Top 44%)2723(Top 24%)2723(Top 150%)
15K9.32 mi3.11 mi11468-1602580-842580-8411833(Top 44%)2806(Top 25%)2806(Top 154%)
20K12.43 mi3.11 mi11497-292615-352615-3511694(Top 44%)2784(Top 24%)2784(Top 153%)
Half13.11 mi0.68 mi11365+1322543+722543+729509(Top 36%)1689(Top 15%)1689(Top 93%)
25K15.53 mi2.42 mi11193+1722465+782465+7810510(Top 39%)2233(Top 20%)2233(Top 123%)
30K18.64 mi3.11 mi10785+4082289+1762289+1769129(Top 34%)1767(Top 15%)1767(Top 97%)
20M20.00 mi1.36 mi10616+1692236+532236+538896(Top 33%)1763(Top 15%)1763(Top 97%)
21M21.00 mi1.00 mi10516+1002210+262210+269447(Top 35%)2121(Top 19%)2121(Top 117%)
35K21.75 mi0.75 mi10428+882184+262184+268798(Top 33%)1831(Top 16%)1831(Top 101%)
23M23.00 mi1.25 mi10298+1302144+402144+408710(Top 33%)1893(Top 17%)1893(Top 104%)
24M24.00 mi1.00 mi10242+562145-12145-19550(Top 36%)2360(Top 21%)2360(Top 130%)
40K24.85 mi0.85 mi10158+842128+172128+179076(Top 34%)2208(Top 19%)2208(Top 122%)
25.2M25.20 mi0.35 mi10146+122133-52133-59624(Top 36%)2507(Top 22%)2507(Top 138%)
Finish26.22 mi1.02 mi10043+1032114+192114+198396(Top 32%)1997(Top 17%)1997(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11833

Females

2806

F45-49

2806

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11747

Females

2723

F45-49

2723

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11833

Females

2806

F45-49

2806

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11694

Females

2784

F45-49

2784

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9509

Females

1689

F45-49

1689

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10510

Females

2233

F45-49

2233

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9129

Females

1767

F45-49

1767

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8896

Females

1763

F45-49

1763

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9447

Females

2121

F45-49

2121

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8798

Females

1831

F45-49

1831

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8710

Females

1893

F45-49

1893

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9550

Females

2360

F45-49

2360

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9076

Females

2208

F45-49

2208

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9624

Females

2507

F45-49

2507

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8396

Females

1997

F45-49

1997

Passing Analysis

Category:
Athletes Passed
2149*
Passed By
1214
Net Change
+935
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10978
5K → 10K166496-330#10978#11308
10K → 15K126286-160#11308#11468
15K → 20K149178-29#11468#11497
20K → Half1342+132#11497#11365
Half → 25K21240+172#11365#11193
25K → 30K42719+408#11193#10785
30K → 20M188*19+169#10785#10616
20M → 21M12727+100#10616#10516
21M → 35K9810+88#10516#10428
35K → 23M15424+130#10428#10298
23M → 24M8630+56#10298#10242
24M → 40K11531+84#10242#10158
40K → 25.2M37*25+12#10158#10146
25.2M → Finish13027+103#10146#10043
TOTALS2149*1214+935

* 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