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BOSTON MARATHON 2024

Catherine Pollack

Bib: 14725•F

DC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 39%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:52
Rank: #12177
Start → 5K
23:52 | 7:41/mi
10K· 6.21 mi
48:15
Rank: #12602 (-425)
5K → 10K
24:23 | 7:51/mi
15K· 9.32 mi
1:12:52
Rank: #12659 (-57)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:37:39
Rank: #12329 (+330)
15K → 20K
24:47 | 7:59/mi
Half· 13.11 mi
1:43:00
Rank: #12285 (+44)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:02:16
Rank: #11763 (+522)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:27:35
Rank: #11069 (+694)
25K → 30K
25:19 | 8:09/mi
20M
2:38:41
Rank: #10721 (+348)
30K → 20M
11:06 | 8:10/mi
21M
2:47:31
Rank: #10482 (+239)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:53:37
Rank: #10370 (+112)
21M → 35K
6:06 | 8:09/mi
23M
3:03:57
Rank: #10110 (+260)
35K → 23M
10:20 | 8:15/mi
24M
3:12:07
Rank: #9946 (+164)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:19:13
Rank: #9820 (+126)
24M → 40K
7:06 | 8:18/mi
25.2M
3:22:27
Rank: #9776 (+44)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:30:57
Rank: #9780 (-4)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:00
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:47:57
Pace8:14 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2423:527:4123:52
7:41
-
10K
6.21 mi11:19:4748:157:4624:23
7:51
+0:10
15K
9.32 mi11:44:241:12:527:4924:37
7:55
+0:04
20K
12.43 mi12:09:111:37:397:5124:47
7:59
+0:04
Half
13.11 mi12:14:321:43:007:515:21
7:50
-0:09
25K
15.53 mi12:33:482:02:167:5219:16
7:57
+0:07
30K
18.64 mi12:59:072:27:357:5525:19
8:09
+0:12
20M
20.00 mi13:10:132:38:417:5611:06
8:10
+0:01
21M
21.00 mi13:19:032:47:317:598:50
8:50
+0:40
35K
21.75 mi13:25:092:53:377:596:06
8:09
-0:41
23M
23.00 mi13:35:293:03:578:0010:20
8:15
+0:06
24M
24.00 mi13:43:393:12:078:008:10
8:10
-0:05
40K
24.85 mi13:50:453:19:138:017:06
8:18
+0:08
25.2M
25.20 mi13:53:593:22:278:023:14
9:23
+1:05
Finish
26.22 mi14:02:293:30:578:038:30
8:20
-1:03

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

7:41 /mi

Average Pace

8:03 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:13

37% of race

Time at Steady Pace

2:00:40

57% of race

Time at Slower Pace

12:04

6% of race

Average Pace: 8:03 /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 mi10:55:2423:527:4123:52
7:41
#12177
10K
6.21 mi11:19:4748:157:4624:23
7:51
#12602
15K
9.32 mi11:44:241:12:527:4924:37
7:55
#12659
20K
12.43 mi12:09:111:37:397:5124:47
7:59
#12329
Half
13.11 mi12:14:321:43:007:515:21
7:50
#12285
25K
15.53 mi12:33:482:02:167:5219:16
7:57
#11763
30K
18.64 mi12:59:072:27:357:5525:19
8:09
#11069
20M
20.00 mi13:10:132:38:417:5611:06
8:10
#10721
21M
21.00 mi13:19:032:47:317:598:50
8:50
#10482
35K
21.75 mi13:25:092:53:377:596:06
8:09
#10370
23M
23.00 mi13:35:293:03:578:0010:20
8:15
#10110
24M
24.00 mi13:43:393:12:078:008:10
8:10
#9946
40K
24.85 mi13:50:453:19:138:017:06
8:18
#9820
25.2M
25.20 mi13:53:593:22:278:023:14
9:23
#9776
Finish
26.22 mi14:02:293:30:578:038:30
8:20
#9780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121773232323212862(Top 50%)3722(Top 34%)3722(Top 80%)
10K6.21 mi3.10 mi12602-4253496-2643496-26413050(Top 51%)3791(Top 35%)3791(Top 81%)
15K9.32 mi3.11 mi12659-573555-593555-5912862(Top 50%)3722(Top 34%)3722(Top 80%)
20K12.43 mi3.11 mi12329+3303394+1613394+16111671(Top 46%)3149(Top 29%)3149(Top 68%)
Half13.11 mi0.68 mi12285+443375+193375+1911663(Top 46%)3144(Top 29%)3144(Top 67%)
25K15.53 mi2.42 mi11763+5223130+2453130+2459856(Top 39%)2416(Top 22%)2416(Top 52%)
30K18.64 mi3.11 mi11069+6942867+2632867+2638740(Top 34%)2095(Top 19%)2095(Top 45%)
20M20.00 mi1.36 mi10721+3482743+1242743+1247689(Top 30%)1846(Top 17%)1846(Top 40%)
21M21.00 mi1.00 mi10482+2392673+702673+707793(Top 31%)2081(Top 19%)2081(Top 45%)
35K21.75 mi0.75 mi10370+1122652+212652+218749(Top 34%)2580(Top 24%)2580(Top 55%)
23M23.00 mi1.25 mi10110+2602581+712581+717102(Top 28%)1957(Top 18%)1957(Top 42%)
24M24.00 mi1.00 mi9946+1642545+362545+367581(Top 30%)2284(Top 21%)2284(Top 49%)
40K24.85 mi0.85 mi9820+1262519+262519+267389(Top 29%)2330(Top 21%)2330(Top 50%)
25.2M25.20 mi0.35 mi9776+442521-22521-28268(Top 32%)2781(Top 25%)2781(Top 60%)
Finish26.22 mi1.02 mi9780-42554-332554-3310616(Top 42%)3791(Top 35%)3791(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

12862

Females

3722

F18-39

3722

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13050

Females

3791

F18-39

3791

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

12862

Females

3722

F18-39

3722

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11671

Females

3149

F18-39

3149

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

11663

Females

3144

F18-39

3144

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

9856

Females

2416

F18-39

2416

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8740

Females

2095

F18-39

2095

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7689

Females

1846

F18-39

1846

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

7793

Females

2081

F18-39

2081

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8749

Females

2580

F18-39

2580

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7102

Females

1957

F18-39

1957

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7581

Females

2284

F18-39

2284

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7389

Females

2330

F18-39

2330

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8268

Females

2781

F18-39

2781

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

10616

Females

3791

F18-39

3791

Passing Analysis

Category:
Athletes Passed
3582*
Passed By
1184
Net Change
+2397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12177
5K → 10K137562-425#12177#12602
10K → 15K209266-57#12602#12659
15K → 20K40272+330#12659#12329
20K → Half6723+44#12329#12285
Half → 25K53715+522#12285#11763
25K → 30K72127+694#11763#11069
30K → 20M36315+348#11069#10721
20M → 21M26223+239#10721#10482
21M → 35K13018+112#10482#10370
35K → 23M27111+260#10370#10110
23M → 24M186*22+164#10110#9946
24M → 40K15226+126#9946#9820
40K → 25.2M6723+44#9820#9776
25.2M → Finish7881-4#9776#9780
TOTALS3582*1184+2397

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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