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BOSTON MARATHON 2024

Katharina Klaeser

Bib: 17288 F DE

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Division (F18-39)
#0 / 4660
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
8:00/mi
24:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:02/mi
49:49
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:12/mi
1:15:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:17/mi
1:41:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:59/mi
1:46:27
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:30/mi
2:07:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:46/mi
2:34:16
↑ 181↓ 1480.2%
138 ft elev
20M
9:16/mi
2:46:52
↑ 64↓ 500.2%
148 ft elev
21M
10:47/mi
2:57:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:33/mi
3:04:03
↑ 17↓ 861.7%
156 ft elev
23M
9:28/mi
3:15:54
↑ 23↓ 630.6%
116 ft elev
24M
9:14/mi
3:25:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:31/mi
3:32:25
↓ 200.3%
20 ft elev
25.2M
10:06/mi
3:35:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:59/mi
3:44:02
↑ 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
1:46:278:07 /mi⚡ faster
2nd Half
1:57:358:58 /mi+10.5%
Positive split — 10.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0524:508:0024:50
8:00
-
10K
6.21 mi11:41:0449:498:0124:59
8:02
+0:02
15K
9.32 mi12:06:321:15:178:0525:28
8:12
+0:10
20K
12.43 mi12:32:151:41:008:0825:43
8:17
+0:05
Half
13.11 mi12:37:421:46:278:075:27
7:59
-0:18
25K
15.53 mi12:58:182:07:038:1120:36
8:30
+0:31
30K
18.64 mi13:25:312:34:168:1727:13
8:46
+0:16
20M
20.00 mi13:38:072:46:528:2112:36
9:16
+0:30
21M
21.00 mi13:48:542:57:398:2810:47
10:47
+1:31
35K
21.75 mi13:55:183:04:038:286:24
8:33
-2:14
23M
23.00 mi14:07:093:15:548:3111:51
9:28
+0:55
24M
24.00 mi14:16:233:25:088:339:14
9:14
-0:14
40K
24.85 mi14:23:403:32:258:337:17
8:31
-0:43
25.2M
25.20 mi14:27:093:35:548:343:29
10:06
+1:35
Finish
26.22 mi14:35:173:44:028:338:08
7:59
-2:07

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

7:59 /mi

Average Pace

8:33 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:03:24

28% of race

Time at Steady Pace

1:52:41

50% of race

Time at Slower Pace

47:57

21% of race

Average Pace: 8:33 /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 mi11:16:0524:508:0024:50
8:00
#14610
10K
6.21 mi11:41:0449:498:0124:59
8:02
#14546
15K
9.32 mi12:06:321:15:178:0525:28
8:12
#14572
20K
12.43 mi12:32:151:41:008:0825:43
8:17
#14237
Half
13.11 mi12:37:421:46:278:075:27
7:59
#14140
25K
15.53 mi12:58:182:07:038:1120:36
8:30
#13905
30K
18.64 mi13:25:312:34:168:1727:13
8:46
#13455
20M
20.00 mi13:38:072:46:528:2112:36
9:16
#13421
21M
21.00 mi13:48:542:57:398:2810:47
10:47
#13604
35K
21.75 mi13:55:183:04:038:286:24
8:33
#13476
23M
23.00 mi14:07:093:15:548:3111:51
9:28
#13464
24M
24.00 mi14:16:233:25:088:339:14
9:14
#13429
40K
24.85 mi14:23:403:32:258:337:17
8:31
#13186
25.2M
25.20 mi14:27:093:35:548:343:29
10:06
#13133
Finish
26.22 mi14:35:173:44:028:338:08
7:59
#12905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi14610469446941472247984798
10K6.21 mi3.10 mi14546+644656+384656+381449946284628
15K9.32 mi3.11 mi14572-264680-244680-241472247984798
20K12.43 mi3.11 mi14237+3354504+1764504+1761359141814181
Half13.11 mi0.68 mi14140+974451+534451+531274537523752
25K15.53 mi2.42 mi13905+2354344+1074344+1071304740664066
30K18.64 mi3.11 mi13455+4504170+1744170+1741200737423742
20M20.00 mi1.36 mi13421+344224-544224-541350448524852
21M21.00 mi1.00 mi13604-1834384-1604384-1601572361796179
35K21.75 mi0.75 mi13476+1284344+404344+401109738133813
23M23.00 mi1.25 mi13464+124390-464390-461337350875087
24M24.00 mi1.00 mi13429+354420-304420-301326550565056
40K24.85 mi0.85 mi13186+2434315+1054315+105849428272827
25.2M25.20 mi0.35 mi13133+534308+74308+71137942794279
Finish26.22 mi1.02 mi12905+2284232+764232+76845928122812

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14722

Females

4798

F18-39

4798

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

14499

Females

4628

F18-39

4628

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14722

Females

4798

F18-39

4798

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13591

Females

4181

F18-39

4181

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12745

Females

3752

F18-39

3752

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13047

Females

4066

F18-39

4066

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12007

Females

3742

F18-39

3742

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

13504

Females

4852

F18-39

4852

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15723

Females

6179

F18-39

6179

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11097

Females

3813

F18-39

3813

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13373

Females

5087

F18-39

5087

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13265

Females

5056

F18-39

5056

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8494

Females

2827

F18-39

2827

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11379

Females

4279

F18-39

4279

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8459

Females

2812

F18-39

2812

Passing Analysis

Category:
Athletes Passed
3095
Passed By
1390
Net Change
+1705
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14610
5K → 10K311247+64#14610#14546
10K → 15K232258-26#14546#14572
15K → 20K41984+335#14572#14237
20K → Half1014+97#14237#14140
Half → 25K32792+235#14140#13905
25K → 30K52575+450#13905#13455
30K → 20M169135+34#13455#13421
20M → 21M81264-183#13421#13604
21M → 35K14618+128#13604#13476
35K → 23M119107+12#13476#13464
23M → 24M11580+35#13464#13429
24M → 40K2441+243#13429#13186
40K → 25.2M6613+53#13186#13133
25.2M → Finish24012+228#13133#12905
TOTALS30951390+1705

Passing Charts

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