Boston Marathon logo
BOSTON MARATHON 2023

Allison Kitson

Bib: 25377•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
35:17
Rank: #26102
Start → 5K
35:17 | 11:21/mi
10K· 6.21 mi
1:12:16
Rank: #26188 (-86)
5K → 10K
36:59 | 11:54/mi
15K· 9.32 mi
1:51:00
Rank: #26247 (-59)
10K → 15K
38:44 | 12:28/mi
20K· 12.43 mi
2:33:38
Rank: #26349 (-102)
15K → 20K
42:38 | 13:43/mi
Half· 13.11 mi
2:43:04
Rank: #26369 (-20)
20K → Half
9:26 | 13:50/mi
25K· 15.53 mi
3:18:19
Rank: #26430 (-61)
Half → 25K
35:15 | 14:32/mi
30K· 18.64 mi
4:06:43
Rank: #26487 (-57)
25K → 30K
48:24 | 15:35/mi
20M
4:27:10
Rank: #26497 (-10)
30K → 20M
20:27 | 15:03/mi
21M
4:43:10
Rank: #26496 (+1)
20M → 21M
16:00 | 16:00/mi
35K· 21.75 mi
4:54:38
Rank: #26508 (-12)
21M → 35K
11:28 | 15:20/mi
23M
5:12:37
Rank: #26505 (+3)
35K → 23M
17:59 | 14:22/mi
24M
5:26:38
Rank: #26500 (+5)
23M → 24M
14:01 | 14:01/mi
40K· 24.85 mi
5:38:41
Rank: #26484 (+16)
24M → 40K
12:03 | 14:06/mi
25.2M
5:43:49
Rank: #26476 (+8)
40K → 25.2M
5:08 | 14:53/mi
Finish· 26.22 mi
5:57:01
Rank: #26472 (+4)
25.2M → Finish
13:12 | 12:57/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
Time2:43:04
Pace12:26 /mi
2nd Half
Distance13.11 mi
Time3:13:57
Pace14:48 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2735:1711:2135:17
11:21
-
10K
6.21 mi12:28:261:12:1611:3836:59
11:54
+0:33
15K
9.32 mi13:07:101:51:0011:5538:44
12:28
+0:34
20K
12.43 mi13:49:482:33:3812:2242:38
13:43
+1:15
Half
13.11 mi13:59:142:43:0412:269:26
13:50
+0:07
25K
15.53 mi14:34:293:18:1912:4635:15
14:32
+0:42
30K
18.64 mi15:22:534:06:4313:1448:24
15:35
+1:03
20M
20.00 mi15:43:204:27:1013:2120:27
15:03
-0:32
21M
21.00 mi15:59:204:43:1013:2916:00
16:00
+0:57
35K
21.75 mi16:10:484:54:3813:3311:28
15:20
-0:40
23M
23.00 mi16:28:475:12:3713:3617:59
14:22
-0:58
24M
24.00 mi16:42:485:26:3813:3714:01
14:01
-0:21
40K
24.85 mi16:54:515:38:4113:3812:03
14:06
+0:05
25.2M
25.20 mi16:59:595:43:4913:395:08
14:53
+0:47
Finish
26.22 mi17:13:115:57:0113:3813:12
12:57
-1:56

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

11:21 /mi

Average Pace

13:38 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:12

35% of race

Time at Steady Pace

2:11:22

37% of race

Time at Slower Pace

1:41:27

28% of race

Average Pace: 13:37 /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 mi11:51:2735:1711:2135:17
11:21
#26102
10K
6.21 mi12:28:261:12:1611:3836:59
11:54
#26188
15K
9.32 mi13:07:101:51:0011:5538:44
12:28
#26247
20K
12.43 mi13:49:482:33:3812:2242:38
13:43
#26349
Half
13.11 mi13:59:142:43:0412:269:26
13:50
#26369
25K
15.53 mi14:34:293:18:1912:4635:15
14:32
#26430
30K
18.64 mi15:22:534:06:4313:1448:24
15:35
#26487
20M
20.00 mi15:43:204:27:1013:2120:27
15:03
#26497
21M
21.00 mi15:59:204:43:1013:2916:00
16:00
#26496
35K
21.75 mi16:10:484:54:3813:3311:28
15:20
#26508
23M
23.00 mi16:28:475:12:3713:3617:59
14:22
#26505
24M
24.00 mi16:42:485:26:3813:3714:01
14:01
#26500
40K
24.85 mi16:54:515:38:4113:3812:03
14:06
#26484
25.2M
25.20 mi16:59:595:43:4913:395:08
14:53
#26476
Finish
26.22 mi17:13:115:57:0113:3813:12
12:57
#26472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26102111091110926308(Top 99%)11238(Top 98%)11238(Top 230%)
10K6.21 mi3.10 mi26188-8611156-4711156-4726225(Top 99%)11183(Top 98%)11183(Top 229%)
15K9.32 mi3.11 mi26247-5911195-3911195-3926308(Top 99%)11238(Top 98%)11238(Top 230%)
20K12.43 mi3.11 mi26349-10211257-6211257-6226481(Top 99%)11339(Top 99%)11339(Top 232%)
Half13.11 mi0.68 mi26369-2011268-1111268-1126511(Top 100%)11369(Top 100%)11369(Top 233%)
25K15.53 mi2.42 mi26430-6111310-4211310-4226484(Top 99%)11349(Top 99%)11349(Top 232%)
30K18.64 mi3.11 mi26487-5711349-3911349-3926530(Top 100%)11376(Top 100%)11376(Top 233%)
20M20.00 mi1.36 mi26497-1011355-611355-626312(Top 99%)11290(Top 99%)11290(Top 231%)
21M21.00 mi1.00 mi26496+111356-111356-126226(Top 99%)11236(Top 98%)11236(Top 230%)
35K21.75 mi0.75 mi26508-1211365-911365-926465(Top 99%)11358(Top 99%)11358(Top 233%)
23M23.00 mi1.25 mi26505+311361+411361+426049(Top 98%)11162(Top 98%)11162(Top 229%)
24M24.00 mi1.00 mi26500+511358+311358+326083(Top 98%)11206(Top 98%)11206(Top 229%)
40K24.85 mi0.85 mi26484+1611349+911349+925737(Top 97%)11045(Top 97%)11045(Top 226%)
25.2M25.20 mi0.35 mi26476+811343+611343+625650(Top 96%)11006(Top 96%)11006(Top 225%)
Finish26.22 mi1.02 mi26472+411342+111342+125952(Top 97%)11148(Top 98%)11148(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26308

Females

11238

F18-39

11238

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26225

Females

11183

F18-39

11183

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26308

Females

11238

F18-39

11238

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26481

Females

11339

F18-39

11339

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

26511

Females

11369

F18-39

11369

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26484

Females

11349

F18-39

11349

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

26530

Females

11376

F18-39

11376

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26312

Females

11290

F18-39

11290

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26226

Females

11236

F18-39

11236

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26465

Females

11358

F18-39

11358

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26049

Females

11162

F18-39

11162

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26083

Females

11206

F18-39

11206

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25737

Females

11045

F18-39

11045

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25650

Females

11006

F18-39

11006

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25952

Females

11148

F18-39

11148

Passing Analysis

Category:
Athletes Passed
159
Passed By
529
Net Change
-370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26102
5K → 10K38124-86#26102#26188
10K → 15K3089-59#26188#26247
15K → 20K15117-102#26247#26349
20K → Half222-20#26349#26369
Half → 25K1071-61#26369#26430
25K → 30K663-57#26430#26487
30K → 20M313-10#26487#26497
20M → 21M98+1#26497#26496
21M → 35K113-12#26496#26508
35K → 23M52+3#26508#26505
23M → 24M72+5#26505#26500
24M → 40K193+16#26500#26484
40K → 25.2M80+8#26484#26476
25.2M → Finish62+4#26476#26472
TOTALS159529-370
📊

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