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BOSTON MARATHON 2024

Katja Bajema

HI

Bib: 16886 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:18/mi
25:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:47/mi
49:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:14:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:34/mi
1:41:03
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:46:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:04/mi
2:08:39
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:46/mi
2:39:01
↑ 181↓ 1480.2%
138 ft elev
20M
9:22/mi
2:51:45
↑ 64↓ 500.2%
148 ft elev
21M
11:56/mi
3:03:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:18/mi
3:12:08
↑ 17↓ 861.7%
156 ft elev
23M
10:21/mi
3:25:06
↑ 23↓ 630.6%
116 ft elev
24M
10:39/mi
3:35:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:13/mi
3:47:54
↓ 200.3%
20 ft elev
25.2M
16:17/mi
3:53:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
14:38/mi
4:08:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:46:398:08 /mi⚡ faster
2nd Half
2:21:4710:49 /mi+32.9%
Positive split — 32.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:468:183.11 mi25:46
8:18
-
10K
49:578:023.10 mi24:11
7:47
-0:31
15K
1:14:267:593.11 mi24:29
7:53
+0:06
20K
1:41:038:083.11 mi26:37
8:34
+0:41
Half(13.11 mi)
1:46:398:080.68 mi5:36
8:12
-0:22
25K
2:08:398:172.42 mi22:00
9:04
+0:52
30K
2:39:018:323.11 mi30:22
9:46
+0:42
20M
2:51:458:351.36 mi12:44
9:22
-0:24
21M
3:03:418:451.00 mi11:56
11:56
+2:34
35K
3:12:088:500.75 mi8:27
11:18
-0:38
23M
3:25:068:551.25 mi12:58
10:21
-0:57
24M
3:35:458:591.00 mi10:39
10:39
+0:18
40K
3:47:549:100.85 mi12:09
14:13
+3:34
25.2M
3:53:319:160.35 mi5:37
16:17
+2:04
Finish(26.22 mi)
4:08:269:291.02 mi14:55
14:38
-1:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:47 /mi

Average Pace

9:29 /mi

Slowest Pace

16:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:20:02

32% of race

Time at Steady Pace

1:55:20

46% of race

Time at Slower Pace

53:04

21% of race

Average Pace: 9:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi16626594359431255135453545
10K3.10 mi14709+19174756+11874756+11871254135053505
15K3.11 mi13975+7344328+4284328+4281255135453545
20K3.11 mi14279-3044529-2014529-2011518151225122
Half(13.11 mi)0.68 mi14256+234523+64523+61412645604560
25K2.42 mi14535-2794724-2014724-2011586356425642
30K3.11 mi14973-4385069-3455069-3451654462696269
20M1.36 mi14912+61506950691398551275127
21M1.00 mi15252-3405328-2595328-2591865776477647
35K0.75 mi15604-3525552-2245552-2242043385568556
23M1.25 mi15715-1115662-1105662-1101661067136713
24M1.00 mi15882-1675776-1145776-1141829276097609
40K0.85 mi16499-6176142-3666142-366238561032610326
25.2M0.35 mi16760-2616308-1666308-166242601047410474
Finish(26.22 mi)1.02 mi17493-7336748-4406748-440251131081810818

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12551

Females

3545

F45-49

3545

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12541

Females

3505

F45-49

3505

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12551

Females

3545

F45-49

3545

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15181

Females

5122

F45-49

5122

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14126

Females

4560

F45-49

4560

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15863

Females

5642

F45-49

5642

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

16544

Females

6269

F45-49

6269

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

13985

Females

5127

F45-49

5127

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

18657

Females

7647

F45-49

7647

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20433

Females

8556

F45-49

8556

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16610

Females

6713

F45-49

6713

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18292

Females

7609

F45-49

7609

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

23856

Females

10326

F45-49

10326

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24260

Females

10474

F45-49

10474

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

25113

Females

10818

F45-49

10818

Passing Analysis

Category:
Passed
3559
Passed By
4426
Net Change
-867
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16626
5K → 10K19247+1917#16626#14709
10K → 15K75218+734#14709#13975
15K → 20K154458-304#13975#14279
20K → Half5128+23#14279#14256
Half → 25K147426-279#14256#14535
25K → 30K133571-438#14535#14973
30K → 20M15998+61#14973#14912
20M → 21M54394-340#14912#15252
21M → 35K19371-352#15252#15604
35K → 23M96207-111#15604#15715
23M → 24M34201-167#15715#15882
24M → 40K19636-617#15882#16499
40K → 25.2M4265-261#16499#16760
25.2M → Finish13746-733#16760#17493
TOTALS35594426-867

Passing Charts

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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