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BOSTON MARATHON 2024

Katherine Haas

Bib: 14518•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 47%
Masters (Masters Women)
#0 / 6263
Top 37%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16748
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
51:29
Rank: #16257 (+491)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:16:55
Rank: #15646 (+611)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:42:55
Rank: #15202 (+444)
15K → 20K
26:00 | 8:22/mi
Half· 13.11 mi
1:49:05
Rank: #15354 (-152)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:11:55
Rank: #15720 (-366)
Half → 25K
22:50 | 9:25/mi
30K· 18.64 mi
2:40:59
Rank: #15540 (+180)
25K → 30K
29:04 | 9:21/mi
20M
2:53:33
Rank: #15380 (+160)
30K → 20M
12:34 | 9:15/mi
21M
3:03:29
Rank: #15199 (+181)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:10:44
Rank: #15248 (-49)
21M → 35K
7:15 | 9:41/mi
23M
3:22:25
Rank: #15098 (+150)
35K → 23M
11:41 | 9:20/mi
24M
3:31:44
Rank: #15029 (+69)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:39:30
Rank: #14830 (+199)
24M → 40K
7:46 | 9:05/mi
25.2M
3:43:16
Rank: #14811 (+19)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:51:38
Rank: #14599 (+212)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:02:33
Pace9:21 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5125:508:1925:50
8:19
-
10K
6.21 mi11:43:3051:298:1725:39
8:15
-0:04
15K
9.32 mi12:08:561:16:558:1525:26
8:11
-0:04
20K
12.43 mi12:34:561:42:558:1726:00
8:22
+0:11
Half
13.11 mi12:41:061:49:058:196:10
9:02
+0:40
25K
15.53 mi13:03:562:11:558:3022:50
9:25
+0:23
30K
18.64 mi13:33:002:40:598:3829:04
9:21
-0:04
20M
20.00 mi13:45:342:53:338:4112:34
9:15
-0:06
21M
21.00 mi13:55:303:03:298:449:56
9:56
+0:41
35K
21.75 mi14:02:453:10:448:467:15
9:41
-0:15
23M
23.00 mi14:14:263:22:258:4811:41
9:20
-0:21
24M
24.00 mi14:23:453:31:448:499:19
9:19
-0:01
40K
24.85 mi14:31:313:39:308:507:46
9:05
-0:14
25.2M
25.20 mi14:35:173:43:168:523:46
10:55
+1:50
Finish
26.22 mi14:43:393:51:388:508:22
8:13
-2:42

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

8:11 /mi

Average Pace

8:50 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:17

48% of race

Time at Steady Pace

1:39:24

43% of race

Time at Slower Pace

20:57

9% of race

Average Pace: 8:50 /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 mi11:17:5125:508:1925:50
8:19
#16748
10K
6.21 mi11:43:3051:298:1725:39
8:15
#16257
15K
9.32 mi12:08:561:16:558:1525:26
8:11
#15646
20K
12.43 mi12:34:561:42:558:1726:00
8:22
#15202
Half
13.11 mi12:41:061:49:058:196:10
9:02
#15354
25K
15.53 mi13:03:562:11:558:3022:50
9:25
#15720
30K
18.64 mi13:33:002:40:598:3829:04
9:21
#15540
20M
20.00 mi13:45:342:53:338:4112:34
9:15
#15380
21M
21.00 mi13:55:303:03:298:449:56
9:56
#15199
35K
21.75 mi14:02:453:10:448:467:15
9:41
#15248
23M
23.00 mi14:14:263:22:258:4811:41
9:20
#15098
24M
24.00 mi14:23:453:31:448:499:19
9:19
#15029
40K
24.85 mi14:31:313:39:308:507:46
9:05
#14830
25.2M
25.20 mi14:35:173:43:168:523:46
10:55
#14811
Finish
26.22 mi14:43:393:51:388:508:22
8:13
#14599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167486010601014656(Top 57%)4759(Top 44%)4759(Top 295%)
10K6.21 mi3.10 mi16257+4915711+2995711+29915874(Top 62%)5457(Top 50%)5457(Top 338%)
15K9.32 mi3.11 mi15646+6115341+3705341+37014656(Top 57%)4759(Top 44%)4759(Top 295%)
20K12.43 mi3.11 mi15202+4445081+2605081+26014087(Top 55%)4485(Top 41%)4485(Top 278%)
Half13.11 mi0.68 mi15354-1525179-985179-9818448(Top 72%)7017(Top 64%)7017(Top 435%)
25K15.53 mi2.42 mi15720-3665439-2605439-26017259(Top 68%)6417(Top 59%)6417(Top 398%)
30K18.64 mi3.11 mi15540+1805402+375402+3714850(Top 58%)5337(Top 49%)5337(Top 331%)
20M20.00 mi1.36 mi15380+1605350+525350+5213407(Top 52%)4799(Top 44%)4799(Top 298%)
21M21.00 mi1.00 mi15199+1815293+575293+5712723(Top 50%)4647(Top 43%)4647(Top 288%)
35K21.75 mi0.75 mi15248-495339-465339-4616167(Top 63%)6429(Top 59%)6429(Top 399%)
23M23.00 mi1.25 mi15098+1505300+395300+3912757(Top 50%)4789(Top 44%)4789(Top 297%)
24M24.00 mi1.00 mi15029+695310-105310-1013630(Top 53%)5248(Top 48%)5248(Top 325%)
40K24.85 mi0.85 mi14830+1995234+765234+7611298(Top 44%)4202(Top 38%)4202(Top 261%)
25.2M25.20 mi0.35 mi14811+195241-75241-714261(Top 56%)5684(Top 52%)5684(Top 352%)
Finish26.22 mi1.02 mi14599+2125147+945147+949871(Top 39%)3470(Top 32%)3470(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

14656

Females

4759

F40-44

4759

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

15874

Females

5457

F40-44

5457

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

14656

Females

4759

F40-44

4759

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14087

Females

4485

F40-44

4485

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

18448

Females

7017

F40-44

7017

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17259

Females

6417

F40-44

6417

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14850

Females

5337

F40-44

5337

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13407

Females

4799

F40-44

4799

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

12723

Females

4647

F40-44

4647

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16167

Females

6429

F40-44

6429

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

12757

Females

4789

F40-44

4789

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13630

Females

5248

F40-44

5248

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11298

Females

4202

F40-44

4202

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14261

Females

5684

F40-44

5684

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

9871

Females

3470

F40-44

3470

Passing Analysis

Category:
Athletes Passed
3450
Passed By
1301
Net Change
+2149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16748
5K → 10K58392+491#16748#16257
10K → 15K63827+611#16257#15646
15K → 20K48844+444#15646#15202
20K → Half14166-152#15202#15354
Half → 25K123489-366#15354#15720
25K → 30K341161+180#15720#15540
30K → 20M19636+160#15540#15380
20M → 21M22140+181#15380#15199
21M → 35K51100-49#15199#15248
35K → 23M19444+150#15248#15098
23M → 24M12657+69#15098#15029
24M → 40K21011+199#15029#14830
40K → 25.2M4526+19#14830#14811
25.2M → Finish2208+212#14811#14599
TOTALS34501301+2149
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing