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BOSTON MARATHON 2024

Kassandra Monaco

Bib: 16144•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 26%
Division (F18-39)
#0 / 4660
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:03
Rank: #12643
Start → 5K
24:03 | 7:44/mi
10K· 6.21 mi
48:29
Rank: #12905 (-262)
5K → 10K
24:26 | 7:52/mi
15K· 9.32 mi
1:12:58
Rank: #12763 (+142)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:37:40
Rank: #12340 (+423)
15K → 20K
24:42 | 7:57/mi
Half· 13.11 mi
1:42:58
Rank: #12265 (+75)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:02:31
Rank: #11882 (+383)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:28:21
Rank: #11370 (+512)
25K → 30K
25:50 | 8:19/mi
20M
2:39:46
Rank: #11093 (+277)
30K → 20M
11:25 | 8:24/mi
21M
2:48:41
Rank: #10816 (+277)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:54:36
Rank: #10668 (+148)
21M → 35K
5:55 | 7:55/mi
23M
3:05:12
Rank: #10443 (+225)
35K → 23M
10:36 | 8:28/mi
24M
3:13:41
Rank: #10364 (+79)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:21:05
Rank: #10303 (+61)
24M → 40K
7:24 | 8:39/mi
25.2M
3:24:23
Rank: #10263 (+40)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:33:24
Rank: #10371 (-108)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:50:26
Pace8:25 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2924:037:4424:03
7:44
-
10K
6.21 mi11:38:5548:297:4824:26
7:52
+0:08
15K
9.32 mi12:03:241:12:587:5024:29
7:53
+0:01
20K
12.43 mi12:28:061:37:407:5224:42
7:57
+0:04
Half
13.11 mi12:33:241:42:587:515:18
7:46
-0:11
25K
15.53 mi12:52:572:02:317:5319:33
8:04
+0:18
30K
18.64 mi13:18:472:28:217:5725:50
8:19
+0:15
20M
20.00 mi13:30:122:39:467:5911:25
8:24
+0:05
21M
21.00 mi13:39:072:48:418:028:55
8:55
+0:31
35K
21.75 mi13:45:022:54:368:025:55
7:55
-1:00
23M
23.00 mi13:55:383:05:128:0310:36
8:28
+0:33
24M
24.00 mi14:04:073:13:418:048:29
8:29
+0:01
40K
24.85 mi14:11:313:21:058:057:24
8:39
+0:10
25.2M
25.20 mi14:14:493:24:238:073:18
9:34
+0:55
Finish
26.22 mi14:23:503:33:248:099:01
8:51
-0:43

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

7:44 /mi

Average Pace

8:09 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:53

51% of race

Time at Steady Pace

1:15:53

36% of race

Time at Slower Pace

28:38

13% of race

Average Pace: 8:08 /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 mi11:14:2924:037:4424:03
7:44
#12643
10K
6.21 mi11:38:5548:297:4824:26
7:52
#12905
15K
9.32 mi12:03:241:12:587:5024:29
7:53
#12763
20K
12.43 mi12:28:061:37:407:5224:42
7:57
#12340
Half
13.11 mi12:33:241:42:587:515:18
7:46
#12265
25K
15.53 mi12:52:572:02:317:5319:33
8:04
#11882
30K
18.64 mi13:18:472:28:217:5725:50
8:19
#11370
20M
20.00 mi13:30:122:39:467:5911:25
8:24
#11093
21M
21.00 mi13:39:072:48:418:028:55
8:55
#10816
35K
21.75 mi13:45:022:54:368:025:55
7:55
#10668
23M
23.00 mi13:55:383:05:128:0310:36
8:28
#10443
24M
24.00 mi14:04:073:13:418:048:29
8:29
#10364
40K
24.85 mi14:11:313:21:058:057:24
8:39
#10303
25.2M
25.20 mi14:14:493:24:238:073:18
9:34
#10263
Finish
26.22 mi14:23:503:33:248:099:01
8:51
#10371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126433503350312537(Top 49%)3531(Top 32%)3531(Top 76%)
10K6.21 mi3.10 mi12905-2623674-1713674-17113178(Top 52%)3863(Top 35%)3863(Top 83%)
15K9.32 mi3.11 mi12763+1423622+523622+5212537(Top 49%)3531(Top 32%)3531(Top 76%)
20K12.43 mi3.11 mi12340+4233402+2203402+22011498(Top 45%)3063(Top 28%)3063(Top 66%)
Half13.11 mi0.68 mi12265+753364+383364+3811146(Top 44%)2886(Top 26%)2886(Top 62%)
25K15.53 mi2.42 mi11882+3833199+1653199+16510613(Top 42%)2783(Top 25%)2783(Top 60%)
30K18.64 mi3.11 mi11370+5123027+1723027+1729666(Top 38%)2533(Top 23%)2533(Top 54%)
20M20.00 mi1.36 mi11093+2772936+912936+918930(Top 35%)2437(Top 22%)2437(Top 52%)
21M21.00 mi1.00 mi10816+2772849+872849+878195(Top 32%)2287(Top 21%)2287(Top 49%)
35K21.75 mi0.75 mi10668+1482799+502799+507271(Top 28%)1893(Top 17%)1893(Top 41%)
23M23.00 mi1.25 mi10443+2252750+492750+498305(Top 33%)2536(Top 23%)2536(Top 54%)
24M24.00 mi1.00 mi10364+792763-132763-139378(Top 37%)3125(Top 29%)3125(Top 67%)
40K24.85 mi0.85 mi10303+612770-72770-79178(Top 36%)3172(Top 29%)3172(Top 68%)
25.2M25.20 mi0.35 mi10263+402769+12769+19058(Top 35%)3176(Top 29%)3176(Top 68%)
Finish26.22 mi1.02 mi10371-1082859-902859-9013434(Top 53%)5182(Top 47%)5182(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12537

Females

3531

F18-39

3531

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13178

Females

3863

F18-39

3863

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12537

Females

3531

F18-39

3531

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11498

Females

3063

F18-39

3063

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11146

Females

2886

F18-39

2886

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10613

Females

2783

F18-39

2783

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9666

Females

2533

F18-39

2533

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

8930

Females

2437

F18-39

2437

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8195

Females

2287

F18-39

2287

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7271

Females

1893

F18-39

1893

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8305

Females

2536

F18-39

2536

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9378

Females

3125

F18-39

3125

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9178

Females

3172

F18-39

3172

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9058

Females

3176

F18-39

3176

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13434

Females

5182

F18-39

5182

Passing Analysis

Category:
Athletes Passed
3444*
Passed By
1172
Net Change
+2272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12643
5K → 10K185447-262#12643#12905
10K → 15K288146+142#12905#12763
15K → 20K46744+423#12763#12340
20K → Half9015+75#12340#12265
Half → 25K44259+383#12265#11882
25K → 30K57765+512#11882#11370
30K → 20M31033+277#11370#11093
20M → 21M30427+277#11093#10816
21M → 35K1513+148#10816#10668
35K → 23M26237+225#10668#10443
23M → 24M13758+79#10443#10364
24M → 40K111*50+61#10364#10303
40K → 25.2M6424+40#10303#10263
25.2M → Finish56164-108#10263#10371
TOTALS3444*1172+2272

* 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