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BOSTON MARATHON 2024

Katelin Isakoff

Bib: 29141•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
9:25/mi
29:15
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
58:05
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:27:00
↑ 67↓ 78
20K· 12.43 mi
10:10/mi
1:58:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:05:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:59/mi
2:31:52
↑ 66↓ 880.2%
30K· 18.64 mi
11:28/mi
3:07:30
↑ 181↓ 1480.2%
20M
11:47/mi
3:23:31
↑ 64↓ 500.2%
21M
11:55/mi
3:35:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:28/mi
3:43:16
↑ 17↓ 861.7%
23M
10:53/mi
3:56:53
↑ 23↓ 630.6%
24M
10:54/mi
4:07:47
↓ 821.3%
40K· 24.85 mi
12:11/mi
4:18:12
↓ 200.3%
25.2M
12:22/mi
4:22:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:29/mi
4:33:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:15
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:27:54
Pace11:17 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1429:159:2529:15
9:25
-
10K
6.21 mi12:20:0458:059:2128:50
9:17
-0:08
15K
9.32 mi12:48:591:27:009:2028:55
9:18
+0:01
20K
12.43 mi13:20:351:58:369:3331:36
10:10
+0:52
Half
13.11 mi13:27:142:05:159:336:39
9:45
-0:25
25K
15.53 mi13:53:512:31:529:4726:37
10:59
+1:14
30K
18.64 mi14:29:293:07:3010:0435:38
11:28
+0:29
20M
20.00 mi14:45:303:23:3110:1116:01
11:47
+0:19
21M
21.00 mi14:57:253:35:2610:1611:55
11:55
+0:08
35K
21.75 mi15:05:153:43:1610:167:50
10:28
-1:27
23M
23.00 mi15:18:523:56:5310:1813:37
10:53
+0:25
24M
24.00 mi15:29:464:07:4710:1910:54
10:54
+0:01
40K
24.85 mi15:40:114:18:1210:2310:25
12:11
+1:17
25.2M
25.20 mi15:44:274:22:2810:254:16
12:22
+0:11
Finish
26.22 mi15:55:084:33:0910:2610:41
10:29
-1:53

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

9:17 /mi

Average Pace

10:26 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:15

46% of race

Time at Steady Pace

1:09:39

25% of race

Time at Slower Pace

1:18:15

29% of race

Average Pace: 10:25 /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 mi11:51:1429:159:2529:15
9:25
#21482
10K
6.21 mi12:20:0458:059:2128:50
9:17
#21124
15K
9.32 mi12:48:591:27:009:2028:55
9:18
#20747
20K
12.43 mi13:20:351:58:369:3331:36
10:10
#20803
Half
13.11 mi13:27:142:05:159:336:39
9:45
#20800
25K
15.53 mi13:53:512:31:529:4726:37
10:59
#20900
30K
18.64 mi14:29:293:07:3010:0435:38
11:28
#20913
20M
20.00 mi14:45:303:23:3110:1116:01
11:47
#20927
21M
21.00 mi14:57:253:35:2610:1611:55
11:55
#20776
35K
21.75 mi15:05:153:43:1610:167:50
10:28
#20679
23M
23.00 mi15:18:523:56:5310:1813:37
10:53
#20548
24M
24.00 mi15:29:464:07:4710:1910:54
10:54
#20480
40K
24.85 mi15:40:114:18:1210:2310:25
12:11
#20482
25.2M
25.20 mi15:44:274:22:2810:254:16
12:22
#20449
Finish
26.22 mi15:55:084:33:0910:2610:41
10:29
#20412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214828657865720050(Top 78%)7818(Top 72%)7818(Top 168%)
10K6.21 mi3.10 mi21124+3588449+2088449+20820738(Top 81%)8219(Top 75%)8219(Top 176%)
15K9.32 mi3.11 mi20747+3778222+2278222+22720050(Top 78%)7818(Top 72%)7818(Top 168%)
20K12.43 mi3.11 mi20803-568251-298251-2920956(Top 82%)8330(Top 76%)8330(Top 179%)
Half13.11 mi0.68 mi20800+38251825120819(Top 81%)8308(Top 76%)8308(Top 178%)
25K15.53 mi2.42 mi20900-1008328-778328-7721449(Top 84%)8711(Top 80%)8711(Top 187%)
30K18.64 mi3.11 mi20913-138387-598387-5920971(Top 82%)8619(Top 79%)8619(Top 185%)
20M20.00 mi1.36 mi20927-148424-378424-3720973(Top 82%)8725(Top 80%)8725(Top 187%)
21M21.00 mi1.00 mi20776+1518366+588366+5818625(Top 73%)7640(Top 70%)7640(Top 164%)
35K21.75 mi0.75 mi20679+978339+278339+2718519(Top 72%)7604(Top 70%)7604(Top 163%)
23M23.00 mi1.25 mi20548+1318290+498290+4918079(Top 71%)7451(Top 68%)7451(Top 160%)
24M24.00 mi1.00 mi20480+688273+178273+1718982(Top 74%)7953(Top 73%)7953(Top 171%)
40K24.85 mi0.85 mi20482-28298-258298-2520812(Top 81%)8912(Top 82%)8912(Top 191%)
25.2M25.20 mi0.35 mi20449+338288+108288+1018261(Top 71%)7660(Top 70%)7660(Top 164%)
Finish26.22 mi1.02 mi20412+378279+98279+919982(Top 78%)8464(Top 77%)8464(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20050

Females

7818

F18-39

7818

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

20738

Females

8219

F18-39

8219

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20050

Females

7818

F18-39

7818

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

20956

Females

8330

F18-39

8330

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20819

Females

8308

F18-39

8308

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

21449

Females

8711

F18-39

8711

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

20971

Females

8619

F18-39

8619

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

20973

Females

8725

F18-39

8725

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

18625

Females

7640

F18-39

7640

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

18519

Females

7604

F18-39

7604

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18079

Females

7451

F18-39

7451

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18982

Females

7953

F18-39

7953

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20812

Females

8912

F18-39

8912

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18261

Females

7660

F18-39

7660

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

19982

Females

8464

F18-39

8464

Passing Analysis

Category:
Athletes Passed
2110
Passed By
1040
Net Change
+1070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21482
5K → 10K465107+358#21482#21124
10K → 15K41538+377#21124#20747
15K → 20K165221-56#20747#20803
20K → Half3128+3#20803#20800
Half → 25K115215-100#20800#20900
25K → 30K165178-13#20900#20913
30K → 20M7488-14#20913#20927
20M → 21M17019+151#20927#20776
21M → 35K1047+97#20776#20679
35K → 23M15423+131#20679#20548
23M → 24M8921+68#20548#20480
24M → 40K5557-2#20480#20482
40K → 25.2M429+33#20482#20449
25.2M → Finish6629+37#20449#20412
TOTALS21101040+1070
📊

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