Boston Marathon logo
BOSTON MARATHON 2023

Amy Kvilhaug

Bib: 16980•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F45-49)
#0 / 1817
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:41
Rank: #8124
Start → 5K
22:41 | 7:18/mi
10K· 6.21 mi
46:07
Rank: #9361 (-1237)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:10:13
Rank: #10373 (-1012)
10K → 15K
24:06 | 7:45/mi
20K· 12.43 mi
1:36:06
Rank: #11822 (-1449)
15K → 20K
25:53 | 8:20/mi
Half· 13.11 mi
1:41:46
Rank: #12084 (-262)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:03:51
Rank: #13660 (-1576)
Half → 25K
22:05 | 9:06/mi
30K· 18.64 mi
2:32:34
Rank: #14692 (-1032)
25K → 30K
28:43 | 9:15/mi
20M
2:45:53
Rank: #15196 (-504)
30K → 20M
13:19 | 9:48/mi
21M
2:56:16
Rank: #15489 (-293)
20M → 21M
10:23 | 10:23/mi
35K· 21.75 mi
3:03:16
Rank: #15665 (-176)
21M → 35K
7:00 | 9:21/mi
23M
3:15:19
Rank: #15902 (-237)
35K → 23M
12:03 | 9:37/mi
24M
3:25:18
Rank: #16200 (-298)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
3:33:27
Rank: #16304 (-104)
24M → 40K
8:09 | 9:32/mi
25.2M
3:36:58
Rank: #16350 (-46)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:46:21
Rank: #16472 (-122)
25.2M → Finish
9:23 | 9:12/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
Time1:41:46
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time2:04:35
Pace9:30 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:4522:417:1822:41
7:18
-
10K
6.21 mi11:36:1146:077:2523:26
7:33
+0:15
15K
9.32 mi12:00:171:10:137:3224:06
7:45
+0:12
20K
12.43 mi12:26:101:36:067:4425:53
8:20
+0:35
Half
13.11 mi12:31:501:41:467:465:40
8:18
-0:02
25K
15.53 mi12:53:552:03:517:5822:05
9:06
+0:48
30K
18.64 mi13:22:382:32:348:1128:43
9:15
+0:09
20M
20.00 mi13:35:572:45:538:1813:19
9:48
+0:33
21M
21.00 mi13:46:202:56:168:2410:23
10:23
+0:35
35K
21.75 mi13:53:203:03:168:267:00
9:21
-1:02
23M
23.00 mi14:05:233:15:198:3012:03
9:37
+0:16
24M
24.00 mi14:15:223:25:188:339:59
9:59
+0:22
40K
24.85 mi14:23:313:33:278:358:09
9:32
-0:27
25.2M
25.20 mi14:27:023:36:588:373:31
10:12
+0:40
Finish
26.22 mi14:36:253:46:218:389:23
9:12
-1:00

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

7:18 /mi

Average Pace

8:38 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:46

45% of race

Time at Steady Pace

1:27:23

39% of race

Time at Slower Pace

37:12

16% of race

Average Pace: 8:38 /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 mi11:12:4522:417:1822:41
7:18
#8124
10K
6.21 mi11:36:1146:077:2523:26
7:33
#9361
15K
9.32 mi12:00:171:10:137:3224:06
7:45
#10373
20K
12.43 mi12:26:101:36:067:4425:53
8:20
#11822
Half
13.11 mi12:31:501:41:467:465:40
8:18
#12084
25K
15.53 mi12:53:552:03:517:5822:05
9:06
#13660
30K
18.64 mi13:22:382:32:348:1128:43
9:15
#14692
20M
20.00 mi13:35:572:45:538:1813:19
9:48
#15196
21M
21.00 mi13:46:202:56:168:2410:23
10:23
#15489
35K
21.75 mi13:53:203:03:168:267:00
9:21
#15665
23M
23.00 mi14:05:233:15:198:3012:03
9:37
#15902
24M
24.00 mi14:15:223:25:188:339:59
9:59
#16200
40K
24.85 mi14:23:313:33:278:358:09
9:32
#16304
25.2M
25.20 mi14:27:023:36:588:373:31
10:12
#16350
Finish
26.22 mi14:36:253:46:218:389:23
9:12
#16472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi81241061106112382(Top 47%)3124(Top 27%)3124(Top 172%)
10K6.21 mi3.10 mi9361-12371556-4951556-49510841(Top 41%)2231(Top 20%)2231(Top 123%)
15K9.32 mi3.11 mi10373-10122000-4442000-44412382(Top 47%)3124(Top 27%)3124(Top 172%)
20K12.43 mi3.11 mi11822-14492811-8112811-81115819(Top 59%)5241(Top 46%)5241(Top 288%)
Half13.11 mi0.68 mi12084-2622969-1582969-15816562(Top 62%)5645(Top 49%)5645(Top 311%)
25K15.53 mi2.42 mi13660-15763908-9393908-93919450(Top 73%)7394(Top 65%)7394(Top 407%)
30K18.64 mi3.11 mi14692-10324547-6394547-63918371(Top 69%)6847(Top 60%)6847(Top 377%)
20M20.00 mi1.36 mi15196-5044903-3564903-35619853(Top 75%)7772(Top 68%)7772(Top 428%)
21M21.00 mi1.00 mi15489-2935110-2075110-20719225(Top 72%)7473(Top 65%)7473(Top 411%)
35K21.75 mi0.75 mi15665-1765234-1245234-12419373(Top 73%)7581(Top 66%)7581(Top 417%)
23M23.00 mi1.25 mi15902-2375403-1695403-16918829(Top 71%)7303(Top 64%)7303(Top 402%)
24M24.00 mi1.00 mi16200-2985577-1745577-17420752(Top 78%)8406(Top 74%)8406(Top 463%)
40K24.85 mi0.85 mi16304-1045656-795656-7918445(Top 69%)7177(Top 63%)7177(Top 395%)
25.2M25.20 mi0.35 mi16350-465690-345690-3418134(Top 68%)7014(Top 61%)7014(Top 386%)
Finish26.22 mi1.02 mi16472-1225769-795769-7918963(Top 71%)7415(Top 65%)7415(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12382

Females

3124

F45-49

3124

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10841

Females

2231

F45-49

2231

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12382

Females

3124

F45-49

3124

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15819

Females

5241

F45-49

5241

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16562

Females

5645

F45-49

5645

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19450

Females

7394

F45-49

7394

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18371

Females

6847

F45-49

6847

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19853

Females

7772

F45-49

7772

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19225

Females

7473

F45-49

7473

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19373

Females

7581

F45-49

7581

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18829

Females

7303

F45-49

7303

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20752

Females

8406

F45-49

8406

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18445

Females

7177

F45-49

7177

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18134

Females

7014

F45-49

7014

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18963

Females

7415

F45-49

7415

Passing Analysis

Category:
Athletes Passed
271
Passed By
8617
Net Change
-8348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8124
5K → 10K221259-1237#8124#9361
10K → 15K211031-1012#9361#10373
15K → 20K61455-1449#10373#11822
20K → Half1263-262#11822#12084
Half → 25K51581-1576#12084#13660
25K → 30K291061-1032#13660#14692
30K → 20M16520-504#14692#15196
20M → 21M26319-293#15196#15489
21M → 35K15191-176#15489#15665
35K → 23M28265-237#15665#15902
23M → 24M21319-298#15902#16200
24M → 40K37141-104#16200#16304
40K → 25.2M1965-46#16304#16350
25.2M → Finish25147-122#16350#16472
TOTALS2718617-8348
📊

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