Boston Marathon logo
BOSTON MARATHON 2023

Amy Hamilton

VA

Bib: 13226 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F45-49)
#0 / 1817
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:24/mi
22:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:00/mi
44:44
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:01/mi
1:06:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:04/mi
1:28:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:58/mi
1:33:14
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:06/mi
1:50:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:11/mi
2:12:47
↑ 181↓ 1480.2%
138 ft elev
20M
7:05/mi
2:22:25
↑ 64↓ 500.2%
148 ft elev
21M
7:37/mi
2:30:02
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:58/mi
2:35:15
↑ 17↓ 861.7%
156 ft elev
23M
7:19/mi
2:44:25
↑ 23↓ 630.6%
116 ft elev
24M
7:06/mi
2:51:31
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:08/mi
2:57:37
↓ 200.3%
20 ft elev
25.2M
7:41/mi
3:00:16
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:53/mi
3:07:17
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:33:147:07 /mi⚖️ balanced
2nd Half
1:34:037:10 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:597:243.11 mi22:59
7:24
-
10K
44:447:123.10 mi21:45
7:00
-0:24
15K
1:06:337:083.11 mi21:49
7:01
+0:01
20K
1:28:297:073.11 mi21:56
7:04
+0:03
Half(13.11 mi)
1:33:147:070.68 mi4:45
6:58
-0:06
25K
1:50:287:072.42 mi17:14
7:06
+0:08
30K
2:12:477:073.11 mi22:19
7:11
+0:05
20M
2:22:257:071.36 mi9:38
7:05
-0:06
21M
2:30:027:091.00 mi7:37
7:37
+0:32
35K
2:35:157:080.75 mi5:13
6:58
-0:39
23M
2:44:257:091.25 mi9:10
7:19
+0:21
24M
2:51:317:091.00 mi7:06
7:06
-0:13
40K
2:57:377:090.85 mi6:06
7:08
+0:02
25.2M
3:00:167:090.35 mi2:39
7:41
+0:33
Finish(26.22 mi)
3:07:177:091.02 mi7:01
6:53
-0:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:53 /mi

Average Pace

7:09 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:57:01

95% of race

Time at Steady Pace

10:16

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi8810131413146715681681
10K6.21 mi3.10 mi7763+1047934+380934+3806825710710
15K9.32 mi3.11 mi7357+406826+108826+1086715681681
20K12.43 mi3.11 mi7057+300757+69757+696349606606
Half13.11 mi0.68 mi7002+55743+14743+146386598598
25K15.53 mi2.42 mi6838+164713+30713+306168594594
30K18.64 mi3.11 mi6540+298658+55658+555414483483
20M20.00 mi1.36 mi6356+184626+32626+324587378378
21M21.00 mi1.00 mi6251+105615+11615+115214585585
35K21.75 mi0.75 mi6201+50603+12603+125240561561
23M23.00 mi1.25 mi6093+108593+10593+105447646646
24M24.00 mi1.00 mi6007+86589+4589+45221630630
40K24.85 mi0.85 mi5909+98576+13576+134581531531
25.2M25.20 mi0.35 mi5874+35572+4572+44858665665
Finish26.22 mi1.02 mi5771+103560+12560+124577597597

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6715

Females

681

F45-49

681

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6825

Females

710

F45-49

710

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6715

Females

681

F45-49

681

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6349

Females

606

F45-49

606

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6386

Females

598

F45-49

598

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6168

Females

594

F45-49

594

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5414

Females

483

F45-49

483

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4587

Females

378

F45-49

378

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5214

Females

585

F45-49

585

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5240

Females

561

F45-49

561

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5447

Females

646

F45-49

646

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5221

Females

630

F45-49

630

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4581

Females

531

F45-49

531

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4858

Females

665

F45-49

665

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4577

Females

597

F45-49

597

Passing Analysis

Category:
Athletes Passed
3189
Passed By
150
Net Change
+3039
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8810
5K → 10K106417+1047#8810#7763
10K → 15K42620+406#7763#7357
15K → 20K3055+300#7357#7057
20K → Half561+55#7057#7002
Half → 25K17511+164#7002#6838
25K → 30K3068+298#6838#6540
30K → 20M1884+184#6540#6356
20M → 21M11914+105#6356#6251
21M → 35K6212+50#6251#6201
35K → 23M12315+108#6201#6093
23M → 24M10014+86#6093#6007
24M → 40K1079+98#6007#5909
40K → 25.2M405+35#5909#5874
25.2M → Finish11815+103#5874#5771
TOTALS3189150+3039

Passing Charts

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