Boston Marathon logo
BOSTON MARATHON 2023

Cathleen Holden

Bib: 23882•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 50%
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
9:35/mi
29:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
59:35
↑ 79↓ 1380.4%
15K· 9.32 mi
10:02/mi
1:30:45
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:59:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:06:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:33/mi
2:29:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:48/mi
2:59:42
↑ 181↓ 1480.2%
20M
9:49/mi
3:13:02
↑ 64↓ 500.2%
21M
9:59/mi
3:23:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:30:03
↑ 17↓ 861.7%
23M
9:39/mi
3:42:08
↑ 23↓ 630.6%
24M
9:27/mi
3:51:35
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:59:48
↓ 200.3%
25.2M
10:15/mi
4:03:20
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
4:12:42
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time2:06:05
Pace9:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:06:37
Pace9:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5329:469:3529:46
9:35
-
10K
6.21 mi11:55:4259:359:3529:49
9:36
+0:01
15K
9.32 mi12:26:521:30:459:4431:10
10:02
+0:26
20K
12.43 mi12:55:421:59:359:3728:50
9:17
-0:45
Half
13.11 mi13:02:122:06:059:376:30
9:32
+0:15
25K
15.53 mi13:25:222:29:159:3623:10
9:33
+0:01
30K
18.64 mi13:55:492:59:429:3830:27
9:48
+0:15
20M
20.00 mi14:09:093:13:029:3913:20
9:49
+0:01
21M
21.00 mi14:19:083:23:019:409:59
9:59
+0:10
35K
21.75 mi14:26:103:30:039:407:02
9:24
-0:35
23M
23.00 mi14:38:153:42:089:3912:05
9:39
+0:15
24M
24.00 mi14:47:423:51:359:399:27
9:27
-0:12
40K
24.85 mi14:55:553:59:489:398:13
9:37
+0:10
25.2M
25.20 mi14:59:274:03:209:393:32
10:15
+0:38
Finish
26.22 mi15:08:494:12:429:399:22
9:11
-1:04

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

9:11 /mi

Average Pace

9:39 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:09:10

99% of race

Time at Steady Pace

3:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:38 /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 mi11:25:5329:469:3529:46
9:35
#22323
10K
6.21 mi11:55:4259:359:3529:49
9:36
#22575
15K
9.32 mi12:26:521:30:459:4431:10
10:02
#22980
20K
12.43 mi12:55:421:59:359:3728:50
9:17
#22467
Half
13.11 mi13:02:122:06:059:376:30
9:32
#22461
25K
15.53 mi13:25:222:29:159:3623:10
9:33
#22226
30K
18.64 mi13:55:492:59:429:3830:27
9:48
#21897
20M
20.00 mi14:09:093:13:029:3913:20
9:49
#21738
21M
21.00 mi14:19:083:23:019:409:59
9:59
#21549
35K
21.75 mi14:26:103:30:039:407:02
9:24
#21481
23M
23.00 mi14:38:153:42:089:3912:05
9:39
#21323
24M
24.00 mi14:47:423:51:359:399:27
9:27
#21209
40K
24.85 mi14:55:553:59:489:398:13
9:37
#21111
25.2M
25.20 mi14:59:274:03:209:393:32
10:15
#21071
Finish
26.22 mi15:08:494:12:429:399:22
9:11
#20984
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi223239041904123562(Top 89%)9643(Top 84%)9643(Top 1830%)
10K6.21 mi3.10 mi22575-2529133-929133-9222792(Top 86%)9227(Top 81%)9227(Top 1751%)
15K9.32 mi3.11 mi22980-4059342-2099342-20923562(Top 89%)9643(Top 84%)9643(Top 1830%)
20K12.43 mi3.11 mi22467+5139069+2739069+27320909(Top 79%)8179(Top 72%)8179(Top 1552%)
Half13.11 mi0.68 mi22461+69065+49065+422186(Top 83%)8873(Top 78%)8873(Top 1684%)
25K15.53 mi2.42 mi22226+2358958+1078958+10721022(Top 79%)8277(Top 72%)8277(Top 1571%)
30K18.64 mi3.11 mi21897+3298779+1798779+17920453(Top 77%)8027(Top 70%)8027(Top 1523%)
20M20.00 mi1.36 mi21738+1598699+808699+8019914(Top 75%)7809(Top 68%)7809(Top 1482%)
21M21.00 mi1.00 mi21549+1898605+948605+9418004(Top 68%)6769(Top 59%)6769(Top 1284%)
35K21.75 mi0.75 mi21481+688577+288577+2819582(Top 74%)7707(Top 67%)7707(Top 1462%)
23M23.00 mi1.25 mi21323+1588507+708507+7018924(Top 71%)7368(Top 65%)7368(Top 1398%)
24M24.00 mi1.00 mi21209+1148456+518456+5119072(Top 72%)7492(Top 66%)7492(Top 1422%)
40K24.85 mi0.85 mi21111+988415+418415+4118763(Top 70%)7372(Top 65%)7372(Top 1399%)
25.2M25.20 mi0.35 mi21071+408401+148401+1418363(Top 69%)7172(Top 63%)7172(Top 1361%)
Finish26.22 mi1.02 mi20984+878359+428359+4218907(Top 71%)7400(Top 65%)7400(Top 1404%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23562

Females

9643

F60-64

9643

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22792

Females

9227

F60-64

9227

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23562

Females

9643

F60-64

9643

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20909

Females

8179

F60-64

8179

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22186

Females

8873

F60-64

8873

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21022

Females

8277

F60-64

8277

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20453

Females

8027

F60-64

8027

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19914

Females

7809

F60-64

7809

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18004

Females

6769

F60-64

6769

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19582

Females

7707

F60-64

7707

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18924

Females

7368

F60-64

7368

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19072

Females

7492

F60-64

7492

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18763

Females

7372

F60-64

7372

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18363

Females

7172

F60-64

7172

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18907

Females

7400

F60-64

7400

Passing Analysis

Category:
Athletes Passed
2265
Passed By
926
Net Change
+1339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22323
5K → 10K130382-252#22323#22575
10K → 15K48453-405#22575#22980
15K → 20K5152+513#22980#22467
20K → Half2620+6#22467#22461
Half → 25K24813+235#22461#22226
25K → 30K34314+329#22226#21897
30K → 20M1656+159#21897#21738
20M → 21M1934+189#21738#21549
21M → 35K746+68#21549#21481
35K → 23M1624+158#21481#21323
23M → 24M1184+114#21323#21209
24M → 40K1035+98#21209#21111
40K → 25.2M433+40#21111#21071
25.2M → Finish9710+87#21071#20984
TOTALS2265926+1339
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing