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BOSTON MARATHON 2024

Katelyn Mascali

Bib: 11158•F

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 18%
Division (F18-39)
#0 / 4660
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #13773
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
48:47
Rank: #13254 (+519)
5K → 10K
24:17 | 7:49/mi
15K· 9.32 mi
1:13:03
Rank: #12821 (+433)
10K → 15K
24:16 | 7:49/mi
20K· 12.43 mi
1:37:26
Rank: #12194 (+627)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:42:40
Rank: #12097 (+97)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:01:46
Rank: #11552 (+545)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:26:36
Rank: #10705 (+847)
25K → 30K
24:50 | 8:00/mi
20M
2:37:26
Rank: #10307 (+398)
30K → 20M
10:50 | 7:58/mi
21M
2:45:47
Rank: #9892 (+415)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:51:35
Rank: #9731 (+161)
21M → 35K
5:48 | 7:45/mi
23M
3:01:30
Rank: #9332 (+399)
35K → 23M
9:55 | 7:55/mi
24M
3:09:16
Rank: #9099 (+233)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:15:51
Rank: #8837 (+262)
24M → 40K
6:35 | 7:42/mi
25.2M
3:18:44
Rank: #8691 (+146)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:26:16
Rank: #8481 (+210)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:36
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2124:307:5324:30
7:53
-
10K
6.21 mi11:16:3848:477:5124:17
7:49
-0:04
15K
9.32 mi11:40:541:13:037:5024:16
7:49
0:00
20K
12.43 mi12:05:171:37:267:5024:23
7:51
+0:02
Half
13.11 mi12:10:311:42:407:505:14
7:40
-0:11
25K
15.53 mi12:29:372:01:467:5019:06
7:53
+0:13
30K
18.64 mi12:54:272:26:367:5224:50
8:00
+0:07
20M
20.00 mi13:05:172:37:267:5210:50
7:58
-0:02
21M
21.00 mi13:13:382:45:477:548:21
8:21
+0:23
35K
21.75 mi13:19:262:51:357:535:48
7:45
-0:36
23M
23.00 mi13:29:213:01:307:539:55
7:55
+0:10
24M
24.00 mi13:37:073:09:167:537:46
7:46
-0:09
40K
24.85 mi13:43:423:15:517:536:35
7:42
-0:04
25.2M
25.20 mi13:46:353:18:447:532:53
8:22
+0:40
Finish
26.22 mi13:54:073:26:167:527:32
7:24
-0:58

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

7:24 /mi

Average Pace

7:52 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:02

95% of race

Time at Steady Pace

11:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:52:2124:307:5324:30
7:53
#13773
10K
6.21 mi11:16:3848:477:5124:17
7:49
#13254
15K
9.32 mi11:40:541:13:037:5024:16
7:49
#12821
20K
12.43 mi12:05:171:37:267:5024:23
7:51
#12194
Half
13.11 mi12:10:311:42:407:505:14
7:40
#12097
25K
15.53 mi12:29:372:01:467:5019:06
7:53
#11552
30K
18.64 mi12:54:272:26:367:5224:50
8:00
#10705
20M
20.00 mi13:05:172:37:267:5210:50
7:58
#10307
21M
21.00 mi13:13:382:45:477:548:21
8:21
#9892
35K
21.75 mi13:19:262:51:357:535:48
7:45
#9731
23M
23.00 mi13:29:213:01:307:539:55
7:55
#9332
24M
24.00 mi13:37:073:09:167:537:46
7:46
#9099
40K
24.85 mi13:43:423:15:517:536:35
7:42
#8837
25.2M
25.20 mi13:46:353:18:447:532:53
8:22
#8691
Finish
26.22 mi13:54:073:26:167:527:32
7:24
#8481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137734157415712018(Top 47%)3247(Top 30%)3247(Top 70%)
10K6.21 mi3.10 mi13254+5193870+2873870+28712792(Top 50%)3640(Top 33%)3640(Top 78%)
15K9.32 mi3.11 mi12821+4333649+2213649+22112018(Top 47%)3247(Top 30%)3247(Top 70%)
20K12.43 mi3.11 mi12194+6273329+3203329+32010751(Top 42%)2688(Top 25%)2688(Top 58%)
Half13.11 mi0.68 mi12097+973277+523277+5210400(Top 41%)2490(Top 23%)2490(Top 53%)
25K15.53 mi2.42 mi11552+5453009+2683009+2689416(Top 37%)2200(Top 20%)2200(Top 47%)
30K18.64 mi3.11 mi10705+8472675+3342675+3347836(Top 31%)1711(Top 16%)1711(Top 37%)
20M20.00 mi1.36 mi10307+3982537+1382537+1386635(Top 26%)1391(Top 13%)1391(Top 30%)
21M21.00 mi1.00 mi9892+4152378+1592378+1595569(Top 22%)1114(Top 10%)1114(Top 24%)
35K21.75 mi0.75 mi9731+1612333+452333+456392(Top 25%)1478(Top 14%)1478(Top 32%)
23M23.00 mi1.25 mi9332+3992200+1332200+1335387(Top 21%)1179(Top 11%)1179(Top 25%)
24M24.00 mi1.00 mi9099+2332129+712129+715412(Top 21%)1271(Top 12%)1271(Top 27%)
40K24.85 mi0.85 mi8837+2622045+842045+844367(Top 17%)940(Top 9%)940(Top 20%)
25.2M25.20 mi0.35 mi8691+1462009+362009+363995(Top 16%)837(Top 8%)837(Top 18%)
Finish26.22 mi1.02 mi8481+2101953+561953+565036(Top 20%)1220(Top 11%)1220(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12018

Females

3247

F18-39

3247

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12792

Females

3640

F18-39

3640

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12018

Females

3247

F18-39

3247

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

10751

Females

2688

F18-39

2688

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10400

Females

2490

F18-39

2490

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9416

Females

2200

F18-39

2200

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

7836

Females

1711

F18-39

1711

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6635

Females

1391

F18-39

1391

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5569

Females

1114

F18-39

1114

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6392

Females

1478

F18-39

1478

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5387

Females

1179

F18-39

1179

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5412

Females

1271

F18-39

1271

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4367

Females

940

F18-39

940

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

3995

Females

837

F18-39

837

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5036

Females

1220

F18-39

1220

Passing Analysis

Category:
Athletes Passed
5523*
Passed By
231
Net Change
+5292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13773
5K → 10K626107+519#13773#13254
10K → 15K47946+433#13254#12821
15K → 20K64013+627#12821#12194
20K → Half992+97#12194#12097
Half → 25K55712+545#12097#11552
25K → 30K85811+847#11552#10705
30K → 20M4024+398#10705#10307
20M → 21M419*4+415#10307#9892
21M → 35K1687+161#9892#9731
35K → 23M4056+399#9731#9332
23M → 24M2418+233#9332#9099
24M → 40K2642+262#9099#8837
40K → 25.2M1482+146#8837#8691
25.2M → Finish2177+210#8691#8481
TOTALS5523*231+5292

* 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