Boston Marathon logo
BOSTON MARATHON 2024

Lisa Bleyzer

Bib: 21434•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
53:48
↑ 79↓ 1380.4%
15K· 9.32 mi
9:08/mi
1:22:11
↑ 67↓ 78
20K· 12.43 mi
10:29/mi
1:54:44
↑ 106↓ 860.1%
Half· 13.11 mi
10:45/mi
2:02:04
↑ 19↓ 370.5%
25K· 15.53 mi
13:30/mi
2:34:49
↑ 66↓ 880.2%
30K· 18.64 mi
14:33/mi
3:20:00
↑ 181↓ 1480.2%
20M
13:35/mi
3:38:28
↑ 64↓ 500.2%
21M
14:36/mi
3:53:04
↑ 106↓ 241.6%
35K· 21.75 mi
12:53/mi
4:02:42
↑ 17↓ 861.7%
23M
12:07/mi
4:17:52
↑ 23↓ 630.6%
24M
12:37/mi
4:30:29
↓ 821.3%
40K· 24.85 mi
12:02/mi
4:40:46
↓ 200.3%
25.2M
12:14/mi
4:44:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:35/mi
4:55:46
↑ 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
Time2:02:04
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:53:42
Pace13:15 /mi
📊Positive Split: 42.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1826:588:4126:58
8:41
-
10K
6.21 mi11:50:0853:488:3926:50
8:38
-0:03
15K
9.32 mi12:18:311:22:118:4928:23
9:08
+0:30
20K
12.43 mi12:51:041:54:449:1432:33
10:29
+1:21
Half
13.11 mi12:58:242:02:049:197:20
10:45
+0:16
25K
15.53 mi13:31:092:34:499:5832:45
13:30
+2:45
30K
18.64 mi14:16:203:20:0010:4445:11
14:33
+1:03
20M
20.00 mi14:34:483:38:2810:5518:28
13:35
-0:58
21M
21.00 mi14:49:243:53:0411:0614:36
14:36
+1:01
35K
21.75 mi14:59:024:02:4211:109:38
12:53
-1:43
23M
23.00 mi15:14:124:17:5211:1315:10
12:07
-0:46
24M
24.00 mi15:26:494:30:2911:1612:37
12:37
+0:30
40K
24.85 mi15:37:064:40:4611:1810:17
12:02
-0:35
25.2M
25.20 mi15:41:194:44:5911:194:13
12:14
+0:12
Finish
26.22 mi15:52:064:55:4611:1710:47
10:35
-1:39

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

8:38 /mi

Average Pace

11:17 /mi

Slowest Pace

14:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:51

45% of race

Time at Steady Pace

51:55

18% of race

Time at Slower Pace

1:51:00

38% of race

Average Pace: 11:17 /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 mi11:23:1826:588:4126:58
8:41
#18761
10K
6.21 mi11:50:0853:488:3926:50
8:38
#18385
15K
9.32 mi12:18:311:22:118:4928:23
9:08
#18787
20K
12.43 mi12:51:041:54:449:1432:33
10:29
#19876
Half
13.11 mi12:58:242:02:049:197:20
10:45
#20120
25K
15.53 mi13:31:092:34:499:5832:45
13:30
#21396
30K
18.64 mi14:16:203:20:0010:4445:11
14:33
#22440
20M
20.00 mi14:34:483:38:2810:5518:28
13:35
#22590
21M
21.00 mi14:49:243:53:0411:0614:36
14:36
#22649
35K
21.75 mi14:59:024:02:4211:109:38
12:53
#22689
23M
23.00 mi15:14:124:17:5211:1315:10
12:07
#22591
24M
24.00 mi15:26:494:30:2911:1612:37
12:37
#22608
40K
24.85 mi15:37:064:40:4611:1810:17
12:02
#22539
25.2M
25.20 mi15:41:194:44:5911:194:13
12:14
#22489
Finish
26.22 mi15:52:064:55:4611:1710:47
10:35
#22417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi187617209720919472(Top 76%)7509(Top 69%)7509(Top 633%)
10K6.21 mi3.10 mi18385+3766977+2326977+23218060(Top 71%)6766(Top 62%)6766(Top 570%)
15K9.32 mi3.11 mi18787-4027190-2137190-21319472(Top 76%)7509(Top 69%)7509(Top 633%)
20K12.43 mi3.11 mi19876-10897763-5737763-57321628(Top 85%)8696(Top 80%)8696(Top 733%)
Half13.11 mi0.68 mi20120-2447889-1267889-12623156(Top 91%)9580(Top 88%)9580(Top 807%)
25K15.53 mi2.42 mi21396-12768593-7048593-70424608(Top 96%)10413(Top 95%)10413(Top 877%)
30K18.64 mi3.11 mi22440-10449195-6029195-60224611(Top 96%)10471(Top 96%)10471(Top 882%)
20M20.00 mi1.36 mi22590-1509292-979292-9723565(Top 92%)10034(Top 92%)10034(Top 845%)
21M21.00 mi1.00 mi22649-599352-609352-6023100(Top 90%)9833(Top 90%)9833(Top 828%)
35K21.75 mi0.75 mi22689-409380-289380-2823094(Top 90%)9870(Top 90%)9870(Top 832%)
23M23.00 mi1.25 mi22591+989345+359345+3520984(Top 82%)8884(Top 81%)8884(Top 748%)
24M24.00 mi1.00 mi22608-179372-279372-2722463(Top 88%)9660(Top 88%)9660(Top 814%)
40K24.85 mi0.85 mi22539+699352+209352+2020515(Top 80%)8768(Top 80%)8768(Top 739%)
25.2M25.20 mi0.35 mi22489+509333+199333+1917919(Top 70%)7519(Top 69%)7519(Top 633%)
Finish26.22 mi1.02 mi22417+729308+259308+2520267(Top 79%)8617(Top 79%)8617(Top 726%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

19472

Females

7509

F50-54

7509

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18060

Females

6766

F50-54

6766

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

19472

Females

7509

F50-54

7509

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21628

Females

8696

F50-54

8696

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23156

Females

9580

F50-54

9580

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

24608

Females

10413

F50-54

10413

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

24611

Females

10471

F50-54

10471

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

23565

Females

10034

F50-54

10034

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23100

Females

9833

F50-54

9833

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23094

Females

9870

F50-54

9870

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

20984

Females

8884

F50-54

8884

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

22463

Females

9660

F50-54

9660

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20515

Females

8768

F50-54

8768

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17919

Females

7519

F50-54

7519

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20267

Females

8617

F50-54

8617

Passing Analysis

Category:
Athletes Passed
1200
Passed By
4856
Net Change
-3656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18761
5K → 10K516140+376#18761#18385
10K → 15K108510-402#18385#18787
15K → 20K521141-1089#18787#19876
20K → Half3247-244#19876#20120
Half → 25K221298-1276#20120#21396
25K → 30K161060-1044#21396#22440
30K → 20M30180-150#22440#22590
20M → 21M49108-59#22590#22649
21M → 35K2363-40#22649#22689
35K → 23M11517+98#22689#22591
23M → 24M4360-17#22591#22608
24M → 40K8314+69#22608#22539
40K → 25.2M500+50#22539#22489
25.2M → Finish9018+72#22489#22417
TOTALS12004856-3656
📊

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