Boston Marathon logo
BOSTON MARATHON 2023

Kathleen Crowley

Bib: 24394•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 46%
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
8:49/mi
27:25
↑ 97↓ 3451.5%
10K· 6.21 mi
9:31/mi
56:58
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:25:58
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:55:17
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:01:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:33/mi
2:24:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:55:20
↑ 181↓ 1480.2%
20M
9:48/mi
3:08:39
↑ 64↓ 500.2%
21M
10:37/mi
3:19:16
↑ 106↓ 241.6%
35K· 21.75 mi
9:35/mi
3:26:26
↑ 17↓ 861.7%
23M
10:06/mi
3:39:05
↑ 23↓ 630.6%
24M
9:42/mi
3:48:47
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:57:26
↓ 200.3%
25.2M
10:55/mi
4:01:12
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:11:07
↑ 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
Time2:01:36
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:09:31
Pace9:53 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2927:258:4927:25
8:49
-
10K
6.21 mi12:12:0256:589:1029:33
9:31
+0:42
15K
9.32 mi12:41:021:25:589:1329:00
9:20
-0:11
20K
12.43 mi13:10:211:55:179:1729:19
9:26
+0:06
Half
13.11 mi13:16:402:01:369:176:19
9:16
-0:10
25K
15.53 mi13:39:492:24:459:1923:09
9:33
+0:17
30K
18.64 mi14:10:242:55:209:2430:35
9:51
+0:18
20M
20.00 mi14:23:433:08:399:2613:19
9:48
-0:03
21M
21.00 mi14:34:203:19:169:2910:37
10:37
+0:49
35K
21.75 mi14:41:303:26:269:307:10
9:35
-1:02
23M
23.00 mi14:54:093:39:059:3212:39
10:06
+0:31
24M
24.00 mi15:03:513:48:479:329:42
9:42
-0:24
40K
24.85 mi15:12:303:57:269:338:39
10:07
+0:25
25.2M
25.20 mi15:16:164:01:129:343:46
10:55
+0:48
Finish
26.22 mi15:26:114:11:079:359:55
9:44
-1:11

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

8:49 /mi

Average Pace

9:35 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:03

37% of race

Time at Steady Pace

2:03:23

49% of race

Time at Slower Pace

35:41

14% of race

Average Pace: 9:35 /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 mi11:42:2927:258:4927:25
8:49
#19608
10K
6.21 mi12:12:0256:589:1029:33
9:31
#21310
15K
9.32 mi12:41:021:25:589:1329:00
9:20
#21439
20K
12.43 mi13:10:211:55:179:1729:19
9:26
#21435
Half
13.11 mi13:16:402:01:369:176:19
9:16
#21425
25K
15.53 mi13:39:492:24:459:1923:09
9:33
#21338
30K
18.64 mi14:10:242:55:209:2430:35
9:51
#21193
20M
20.00 mi14:23:433:08:399:2613:19
9:48
#21068
21M
21.00 mi14:34:203:19:169:2910:37
10:37
#20983
35K
21.75 mi14:41:303:26:269:307:10
9:35
#20941
23M
23.00 mi14:54:093:39:059:3212:39
10:06
#20876
24M
24.00 mi15:03:513:48:479:329:42
9:42
#20823
40K
24.85 mi15:12:303:57:269:338:39
10:07
#20805
25.2M
25.20 mi15:16:164:01:129:343:46
10:55
#20791
Finish
26.22 mi15:26:114:11:079:359:55
9:44
#20785
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi196087584758421755(Top 82%)8649(Top 76%)8649(Top 1641%)
10K6.21 mi3.10 mi21310-17028484-9008484-90022555(Top 85%)9116(Top 80%)9116(Top 1730%)
15K9.32 mi3.11 mi21439-1298521-378521-3721755(Top 82%)8649(Top 76%)8649(Top 1641%)
20K12.43 mi3.11 mi21435+48515+68515+621349(Top 80%)8434(Top 74%)8434(Top 1600%)
Half13.11 mi0.68 mi21425+108505+108505+1021375(Top 80%)8447(Top 74%)8447(Top 1603%)
25K15.53 mi2.42 mi21338+878452+538452+5321002(Top 79%)8268(Top 72%)8268(Top 1569%)
30K18.64 mi3.11 mi21193+1458390+628390+6220588(Top 77%)8104(Top 71%)8104(Top 1538%)
20M20.00 mi1.36 mi21068+1258335+558335+5519866(Top 75%)7785(Top 68%)7785(Top 1477%)
21M21.00 mi1.00 mi20983+858300+358300+3519944(Top 75%)7903(Top 69%)7903(Top 1500%)
35K21.75 mi0.75 mi20941+428288+128288+1220117(Top 76%)8000(Top 70%)8000(Top 1518%)
23M23.00 mi1.25 mi20876+658267+218267+2120305(Top 76%)8135(Top 71%)8135(Top 1544%)
24M24.00 mi1.00 mi20823+538244+238244+2319918(Top 75%)7930(Top 69%)7930(Top 1505%)
40K24.85 mi0.85 mi20805+188242+28242+220299(Top 76%)8220(Top 72%)8220(Top 1560%)
25.2M25.20 mi0.35 mi20791+148240+28240+220306(Top 76%)8219(Top 72%)8219(Top 1560%)
Finish26.22 mi1.02 mi20785+68249-98249-920918(Top 79%)8510(Top 74%)8510(Top 1615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21755

Females

8649

F60-64

8649

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22555

Females

9116

F60-64

9116

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21755

Females

8649

F60-64

8649

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21349

Females

8434

F60-64

8434

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21375

Females

8447

F60-64

8447

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21002

Females

8268

F60-64

8268

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20588

Females

8104

F60-64

8104

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19866

Females

7785

F60-64

7785

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19944

Females

7903

F60-64

7903

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20117

Females

8000

F60-64

8000

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20305

Females

8135

F60-64

8135

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19918

Females

7930

F60-64

7930

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20299

Females

8220

F60-64

8220

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20306

Females

8219

F60-64

8219

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20918

Females

8510

F60-64

8510

Passing Analysis

Category:
Athletes Passed
1215
Passed By
2392
Net Change
-1177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19608
5K → 10K111713-1702#19608#21310
10K → 15K108237-129#21310#21439
15K → 20K137133+4#21439#21435
20K → Half3020+10#21435#21425
Half → 25K13750+87#21425#21338
25K → 30K21065+145#21338#21193
30K → 20M1338+125#21193#21068
20M → 21M11328+85#21068#20983
21M → 35K5614+42#20983#20941
35K → 23M10439+65#20941#20876
23M → 24M6512+53#20876#20823
24M → 40K5234+18#20823#20805
40K → 25.2M2511+14#20805#20791
25.2M → Finish3428+6#20791#20785
TOTALS12152392-1177
📊

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