Boston Marathon logo
BOSTON MARATHON 2023

Annie Valentine

Bib: 20010•F

VT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:04/mi
28:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
54:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:21:13
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:48:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:54:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:15:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:45:51
↑ 181↓ 1480.2%
20M
9:47/mi
2:59:09
↑ 64↓ 500.2%
21M
11:03/mi
3:10:12
↑ 106↓ 241.6%
35K· 21.75 mi
10:24/mi
3:17:59
↑ 17↓ 861.7%
23M
10:56/mi
3:31:40
↑ 23↓ 630.6%
24M
11:05/mi
3:42:45
↓ 821.3%
40K· 24.85 mi
11:49/mi
3:52:51
↓ 200.3%
25.2M
11:13/mi
3:56:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:14/mi
4:07:09
↑ 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
Time1:54:28
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:12:41
Pace10:07 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3328:109:0428:10
9:04
-
10K
6.21 mi11:47:0754:448:4926:34
8:33
-0:31
15K
9.32 mi12:13:361:21:138:4326:29
8:31
-0:02
20K
12.43 mi12:40:571:48:348:4427:21
8:48
+0:17
Half
13.11 mi12:46:511:54:288:445:54
8:39
-0:09
25K
15.53 mi13:07:582:15:358:4421:07
8:43
+0:04
30K
18.64 mi13:38:142:45:518:5430:16
9:45
+1:02
20M
20.00 mi13:51:322:59:098:5713:18
9:47
+0:02
21M
21.00 mi14:02:353:10:129:0311:03
11:03
+1:16
35K
21.75 mi14:10:223:17:599:067:47
10:24
-0:39
23M
23.00 mi14:24:033:31:409:1213:41
10:56
+0:32
24M
24.00 mi14:35:083:42:459:1711:05
11:05
+0:09
40K
24.85 mi14:45:143:52:519:2210:06
11:49
+0:44
25.2M
25.20 mi14:49:063:56:439:243:52
11:13
-0:36
Finish
26.22 mi14:59:324:07:099:2610:26
10:14
-0:59

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

8:31 /mi

Average Pace

9:26 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:35

55% of race

Time at Steady Pace

54:00

22% of race

Time at Slower Pace

57:34

23% of race

Average Pace: 9:26 /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 mi11:20:3328:109:0428:10
9:04
#20735
10K
6.21 mi11:47:0754:448:4926:34
8:33
#19737
15K
9.32 mi12:13:361:21:138:4326:29
8:31
#19126
20K
12.43 mi12:40:571:48:348:4427:21
8:48
#18998
Half
13.11 mi12:46:511:54:288:445:54
8:39
#18982
25K
15.53 mi13:07:582:15:358:4421:07
8:43
#18731
30K
18.64 mi13:38:142:45:518:5430:16
9:45
#19090
20M
20.00 mi13:51:322:59:098:5713:18
9:47
#19160
21M
21.00 mi14:02:353:10:129:0311:03
11:03
#19314
35K
21.75 mi14:10:223:17:599:067:47
10:24
#19485
23M
23.00 mi14:24:033:31:409:1213:41
10:56
#19746
24M
24.00 mi14:35:083:42:459:1711:05
11:05
#20004
40K
24.85 mi14:45:143:52:519:2210:06
11:49
#20211
25.2M
25.20 mi14:49:063:56:439:243:52
11:13
#20222
Finish
26.22 mi14:59:324:07:099:2610:26
10:14
#20286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi207358238823817993(Top 68%)6491(Top 57%)6491(Top 346%)
10K6.21 mi3.10 mi19737+9987617+6217617+62118586(Top 70%)6826(Top 60%)6826(Top 363%)
15K9.32 mi3.11 mi19126+6117211+4067211+40617993(Top 68%)6491(Top 57%)6491(Top 346%)
20K12.43 mi3.11 mi18998+1287123+887123+8818716(Top 70%)6921(Top 61%)6921(Top 369%)
Half13.11 mi0.68 mi18982+167115+87115+818699(Top 70%)6913(Top 61%)6913(Top 368%)
25K15.53 mi2.42 mi18731+2516972+1436972+14317446(Top 66%)6257(Top 55%)6257(Top 333%)
30K18.64 mi3.11 mi19090-3597187-2157187-21520269(Top 76%)7922(Top 69%)7922(Top 422%)
20M20.00 mi1.36 mi19160-707247-607247-6019825(Top 74%)7763(Top 68%)7763(Top 413%)
21M21.00 mi1.00 mi19314-1547352-1057352-10520933(Top 79%)8420(Top 74%)8420(Top 448%)
35K21.75 mi0.75 mi19485-1717454-1027454-10222202(Top 83%)9158(Top 80%)9158(Top 488%)
23M23.00 mi1.25 mi19746-2617614-1607614-16022208(Top 83%)9171(Top 80%)9171(Top 488%)
24M24.00 mi1.00 mi20004-2587776-1627776-16223197(Top 87%)9736(Top 85%)9736(Top 518%)
40K24.85 mi0.85 mi20211-2077911-1357911-13523657(Top 89%)10022(Top 88%)10022(Top 534%)
25.2M25.20 mi0.35 mi20222-117920-97920-920960(Top 79%)8566(Top 75%)8566(Top 456%)
Finish26.22 mi1.02 mi20286-647964-447964-4422394(Top 84%)9324(Top 82%)9324(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17993

Females

6491

F40-44

6491

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18586

Females

6826

F40-44

6826

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17993

Females

6491

F40-44

6491

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18716

Females

6921

F40-44

6921

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18699

Females

6913

F40-44

6913

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17446

Females

6257

F40-44

6257

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20269

Females

7922

F40-44

7922

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19825

Females

7763

F40-44

7763

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20933

Females

8420

F40-44

8420

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22202

Females

9158

F40-44

9158

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22208

Females

9171

F40-44

9171

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23197

Females

9736

F40-44

9736

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23657

Females

10022

F40-44

10022

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20960

Females

8566

F40-44

8566

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22394

Females

9324

F40-44

9324

Passing Analysis

Category:
Athletes Passed
2499
Passed By
2050
Net Change
+449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20735
5K → 10K106365+998#20735#19737
10K → 15K63928+611#19737#19126
15K → 20K21991+128#19126#18998
20K → Half3317+16#18998#18982
Half → 25K27019+251#18982#18731
25K → 30K82441-359#18731#19090
30K → 20M65135-70#19090#19160
20M → 21M38192-154#19160#19314
21M → 35K12183-171#19314#19485
35K → 23M23284-261#19485#19746
23M → 24M8266-258#19746#20004
24M → 40K11218-207#20004#20211
40K → 25.2M1627-11#20211#20222
25.2M → Finish2084-64#20222#20286
TOTALS24992050+449
📊

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