Boston Marathon logo
BOSTON MARATHON 2023

Kelly Adamshick

Bib: 19742•F

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:57/mi
24:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
49:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:26
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:38:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:03:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:29:05
↑ 181↓ 1480.2%
20M
8:33/mi
2:40:42
↑ 64↓ 500.2%
21M
9:28/mi
2:50:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:56:16
↑ 17↓ 861.7%
23M
8:22/mi
3:06:45
↑ 23↓ 630.6%
24M
8:18/mi
3:15:03
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:22:46
↓ 200.3%
25.2M
9:11/mi
3:25:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:34:53
↑ 22↓ 21

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
Time1:43:29
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4324:427:5724:42
7:57
-
10K
6.21 mi11:41:0449:037:5424:21
7:50
-0:07
15K
9.32 mi12:05:271:13:267:5324:23
7:51
+0:01
20K
12.43 mi12:30:091:38:087:5424:42
7:57
+0:06
Half
13.11 mi12:35:301:43:297:545:21
7:50
-0:07
25K
15.53 mi12:55:162:03:157:5619:46
8:09
+0:19
30K
18.64 mi13:21:062:29:058:0025:50
8:19
+0:10
20M
20.00 mi13:32:432:40:428:0211:37
8:33
+0:14
21M
21.00 mi13:42:112:50:108:069:28
9:28
+0:55
35K
21.75 mi13:48:172:56:168:066:06
8:09
-1:19
23M
23.00 mi13:58:463:06:458:0710:29
8:22
+0:13
24M
24.00 mi14:07:043:15:038:088:18
8:18
-0:04
40K
24.85 mi14:14:473:22:468:097:43
9:02
+0:44
25.2M
25.20 mi14:17:573:25:568:103:10
9:11
+0:09
Finish
26.22 mi14:26:543:34:538:128:57
8:47
-0:24

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

7:50 /mi

Average Pace

8:12 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:29

48% of race

Time at Steady Pace

1:22:06

38% of race

Time at Slower Pace

29:18

14% of race

Average Pace: 8:12 /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 mi11:16:4324:427:5724:42
7:57
#13658
10K
6.21 mi11:41:0449:037:5424:21
7:50
#13544
15K
9.32 mi12:05:271:13:267:5324:23
7:51
#13399
20K
12.43 mi12:30:091:38:087:5424:42
7:57
#13297
Half
13.11 mi12:35:301:43:297:545:21
7:50
#13268
25K
15.53 mi12:55:162:03:157:5619:46
8:09
#13332
30K
18.64 mi13:21:062:29:058:0025:50
8:19
#13286
20M
20.00 mi13:32:432:40:428:0211:37
8:33
#13312
21M
21.00 mi13:42:112:50:108:069:28
9:28
#13480
35K
21.75 mi13:48:172:56:168:066:06
8:09
#13449
23M
23.00 mi13:58:463:06:458:0710:29
8:22
#13346
24M
24.00 mi14:07:043:15:038:088:18
8:18
#13322
40K
24.85 mi14:14:473:22:468:097:43
9:02
#13440
25.2M
25.20 mi14:17:573:25:568:103:10
9:11
#13426
Finish
26.22 mi14:26:543:34:538:128:57
8:47
#13601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136583821382113126(Top 49%)3559(Top 31%)3559(Top 190%)
10K6.21 mi3.10 mi13544+1143766+553766+5513466(Top 51%)3699(Top 32%)3699(Top 197%)
15K9.32 mi3.11 mi13399+1453692+743692+7413126(Top 49%)3559(Top 31%)3559(Top 190%)
20K12.43 mi3.11 mi13297+1023657+353657+3513045(Top 49%)3576(Top 31%)3576(Top 190%)
Half13.11 mi0.68 mi13268+293647+103647+1013183(Top 50%)3617(Top 32%)3617(Top 193%)
25K15.53 mi2.42 mi13332-643706-593706-5913900(Top 52%)4156(Top 36%)4156(Top 221%)
30K18.64 mi3.11 mi13286+463719-133719-1313120(Top 49%)3824(Top 33%)3824(Top 204%)
20M20.00 mi1.36 mi13312-263741-223741-2213935(Top 52%)4369(Top 38%)4369(Top 233%)
21M21.00 mi1.00 mi13480-1683864-1233864-12315809(Top 59%)5512(Top 48%)5512(Top 294%)
35K21.75 mi0.75 mi13449+313859+53859+513181(Top 50%)4102(Top 36%)4102(Top 218%)
23M23.00 mi1.25 mi13346+1033823+363823+3612425(Top 47%)3755(Top 33%)3755(Top 200%)
24M24.00 mi1.00 mi13322+243830-73830-713267(Top 50%)4263(Top 37%)4263(Top 227%)
40K24.85 mi0.85 mi13440-1183922-923922-9216284(Top 61%)6009(Top 53%)6009(Top 320%)
25.2M25.20 mi0.35 mi13426+143931-93931-913591(Top 51%)4528(Top 40%)4528(Top 241%)
Finish26.22 mi1.02 mi13601-1754048-1174048-11716945(Top 64%)6332(Top 55%)6332(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13126

Females

3559

F40-44

3559

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13466

Females

3699

F40-44

3699

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13126

Females

3559

F40-44

3559

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13045

Females

3576

F40-44

3576

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13183

Females

3617

F40-44

3617

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13900

Females

4156

F40-44

4156

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13120

Females

3824

F40-44

3824

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13935

Females

4369

F40-44

4369

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15809

Females

5512

F40-44

5512

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13181

Females

4102

F40-44

4102

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12425

Females

3755

F40-44

3755

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13267

Females

4263

F40-44

4263

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16284

Females

6009

F40-44

6009

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13591

Females

4528

F40-44

4528

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16945

Females

6332

F40-44

6332

Passing Analysis

Category:
Athletes Passed
1774
Passed By
1717
Net Change
+57
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13658
5K → 10K353239+114#13658#13544
10K → 15K278133+145#13544#13399
15K → 20K231129+102#13399#13297
20K → Half4819+29#13297#13268
Half → 25K124188-64#13268#13332
25K → 30K214168+46#13332#13286
30K → 20M82108-26#13286#13312
20M → 21M44212-168#13312#13480
21M → 35K6938+31#13480#13449
35K → 23M14744+103#13449#13346
23M → 24M7753+24#13346#13322
24M → 40K32150-118#13322#13440
40K → 25.2M4531+14#13440#13426
25.2M → Finish30205-175#13426#13601
TOTALS17741717+57
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing