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BOSTON MARATHON 2024

Holly Kareiva

Bib: 14123•F

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 13%
Division (F18-39)
#0 / 4660
Top 24%
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
7:24/mi
22:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:47
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:38:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:20:56
↑ 181↓ 1480.2%
20M
7:58/mi
2:31:46
↑ 64↓ 500.2%
21M
8:26/mi
2:40:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:45:54
↑ 17↓ 861.7%
23M
8:01/mi
2:55:56
↑ 23↓ 630.6%
24M
7:48/mi
3:03:44
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:10:33
↓ 200.3%
25.2M
9:08/mi
3:13:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:21:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:12
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0322:587:2422:58
7:24
-
10K
6.21 mi11:18:3046:257:2823:27
7:33
+0:09
15K
9.32 mi11:41:521:09:477:2923:22
7:31
-0:02
20K
12.43 mi12:05:171:33:127:3023:25
7:32
+0:01
Half
13.11 mi12:10:171:38:127:295:00
7:20
-0:12
25K
15.53 mi12:28:431:56:387:3018:26
7:36
+0:16
30K
18.64 mi12:53:012:20:567:3424:18
7:49
+0:13
20M
20.00 mi13:03:512:31:467:3510:50
7:58
+0:09
21M
21.00 mi13:12:172:40:127:388:26
8:26
+0:28
35K
21.75 mi13:17:592:45:547:385:42
7:37
-0:49
23M
23.00 mi13:28:012:55:567:3910:02
8:01
+0:24
24M
24.00 mi13:35:493:03:447:397:48
7:48
-0:13
40K
24.85 mi13:42:383:10:337:406:49
7:58
+0:10
25.2M
25.20 mi13:45:473:13:427:413:09
9:08
+1:10
Finish
26.22 mi13:53:433:21:387:427:56
7:47
-1:21

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

7:20 /mi

Average Pace

7:42 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:12

49% of race

Time at Steady Pace

1:21:49

41% of race

Time at Slower Pace

21:37

11% of race

Average Pace: 7:41 /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 mi10:55:0322:587:2422:58
7:24
#9875
10K
6.21 mi11:18:3046:257:2823:27
7:33
#10232
15K
9.32 mi11:41:521:09:477:2923:22
7:31
#10066
20K
12.43 mi12:05:171:33:127:3023:25
7:32
#9626
Half
13.11 mi12:10:171:38:127:295:00
7:20
#9520
25K
15.53 mi12:28:431:56:387:3018:26
7:36
#9137
30K
18.64 mi12:53:012:20:567:3424:18
7:49
#8563
20M
20.00 mi13:03:512:31:467:3510:50
7:58
#8335
21M
21.00 mi13:12:172:40:127:388:26
8:26
#8095
35K
21.75 mi13:17:592:45:547:385:42
7:37
#7959
23M
23.00 mi13:28:012:55:567:3910:02
8:01
#7716
24M
24.00 mi13:35:493:03:447:397:48
7:48
#7531
40K
24.85 mi13:42:383:10:337:406:49
7:58
#7392
25.2M
25.20 mi13:45:473:13:427:413:09
9:08
#7353
Finish
26.22 mi13:53:433:21:387:427:56
7:47
#7289
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9875196419649860(Top 39%)2108(Top 19%)2108(Top 45%)
10K6.21 mi3.10 mi10232-3572169-2052169-20510663(Top 42%)2448(Top 22%)2448(Top 53%)
15K9.32 mi3.11 mi10066+1662126+432126+439860(Top 39%)2108(Top 19%)2108(Top 45%)
20K12.43 mi3.11 mi9626+4401954+1721954+1728642(Top 34%)1644(Top 15%)1644(Top 35%)
Half13.11 mi0.68 mi9520+1061913+411913+417928(Top 31%)1336(Top 12%)1336(Top 29%)
25K15.53 mi2.42 mi9137+3831770+1431770+1437660(Top 30%)1422(Top 13%)1422(Top 31%)
30K18.64 mi3.11 mi8563+5741611+1591611+1596841(Top 27%)1293(Top 12%)1293(Top 28%)
20M20.00 mi1.36 mi8335+2281580+311580+316622(Top 26%)1378(Top 13%)1378(Top 30%)
21M21.00 mi1.00 mi8095+2401529+511529+515949(Top 23%)1280(Top 12%)1280(Top 27%)
35K21.75 mi0.75 mi7959+1361496+331496+335711(Top 22%)1183(Top 11%)1183(Top 25%)
23M23.00 mi1.25 mi7716+2431457+391457+395829(Top 23%)1382(Top 13%)1382(Top 30%)
24M24.00 mi1.00 mi7531+1851427+301427+305581(Top 22%)1342(Top 12%)1342(Top 29%)
40K24.85 mi0.85 mi7392+1391412+151412+155684(Top 22%)1506(Top 14%)1506(Top 32%)
25.2M25.20 mi0.35 mi7353+391416-41416-47202(Top 28%)2269(Top 21%)2269(Top 49%)
Finish26.22 mi1.02 mi7289+641428-121428-127281(Top 28%)2236(Top 20%)2236(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

9860

Females

2108

F18-39

2108

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10663

Females

2448

F18-39

2448

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

9860

Females

2108

F18-39

2108

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8642

Females

1644

F18-39

1644

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

7928

Females

1336

F18-39

1336

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7660

Females

1422

F18-39

1422

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

6841

Females

1293

F18-39

1293

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6622

Females

1378

F18-39

1378

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

5949

Females

1280

F18-39

1280

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5711

Females

1183

F18-39

1183

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5829

Females

1382

F18-39

1382

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5581

Females

1342

F18-39

1342

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5684

Females

1506

F18-39

1506

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7202

Females

2269

F18-39

2269

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7281

Females

2236

F18-39

2236

Passing Analysis

Category:
Athletes Passed
3503*
Passed By
916
Net Change
+2586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9875
5K → 10K146502-357#9875#10232
10K → 15K289*123+166#10232#10066
15K → 20K476*36+440#10066#9626
20K → Half1093+106#9626#9520
Half → 25K40926+383#9520#9137
25K → 30K61541+574#9137#8563
30K → 20M25426+228#8563#8335
20M → 21M26626+240#8335#8095
21M → 35K1448+136#8095#7959
35K → 23M27027+243#7959#7716
23M → 24M19813+185#7716#7531
24M → 40K15516+139#7531#7392
40K → 25.2M6324+39#7392#7353
25.2M → Finish10945+64#7353#7289
TOTALS3503*916+2586

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

📊

Passing Visuals

Category:
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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