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BOSTON MARATHON 2024

Catherine Gu

Bib: 25323•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
9:29/mi
29:28
↑ 97↓ 3451.5%
10K· 6.21 mi
9:02/mi
57:33
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:25:31
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:53:25
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
1:59:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:21:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:28/mi
2:51:20
↑ 181↓ 1480.2%
20M
9:37/mi
3:04:24
↑ 64↓ 500.2%
21M
9:53/mi
3:14:17
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:21:19
↑ 17↓ 861.7%
23M
9:29/mi
3:33:12
↑ 23↓ 630.6%
24M
9:08/mi
3:42:20
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:50:17
↓ 200.3%
25.2M
10:06/mi
3:53:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
4:02:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:37
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:02:56
Pace9:23 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4129:289:2929:28
9:29
-
10K
6.21 mi12:14:4657:339:1628:05
9:02
-0:27
15K
9.32 mi12:42:441:25:319:1127:58
9:00
-0:02
20K
12.43 mi13:10:381:53:259:0827:54
8:59
-0:01
Half
13.11 mi13:16:501:59:379:076:12
9:05
+0:06
25K
15.53 mi13:39:092:21:569:0822:19
9:12
+0:07
30K
18.64 mi14:08:332:51:209:1129:24
9:28
+0:16
20M
20.00 mi14:21:373:04:249:1313:04
9:37
+0:09
21M
21.00 mi14:31:303:14:179:159:53
9:53
+0:16
35K
21.75 mi14:38:323:21:199:157:02
9:24
-0:29
23M
23.00 mi14:50:253:33:129:1611:53
9:29
+0:05
24M
24.00 mi14:59:333:42:209:169:08
9:08
-0:21
40K
24.85 mi15:07:303:50:179:167:57
9:18
+0:10
25.2M
25.20 mi15:10:593:53:469:173:29
10:06
+0:48
Finish
26.22 mi15:19:464:02:339:158:47
8:37
-1:29

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

8:37 /mi

Average Pace

9:15 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:46

72% of race

Time at Steady Pace

1:07:47

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:15 /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 mi11:46:4129:289:2929:28
9:29
#21689
10K
6.21 mi12:14:4657:339:1628:05
9:02
#20866
15K
9.32 mi12:42:441:25:319:1127:58
9:00
#20246
20K
12.43 mi13:10:381:53:259:0827:54
8:59
#19474
Half
13.11 mi13:16:501:59:379:076:12
9:05
#19433
25K
15.53 mi13:39:092:21:569:0822:19
9:12
#18896
30K
18.64 mi14:08:332:51:209:1129:24
9:28
#18212
20M
20.00 mi14:21:373:04:249:1313:04
9:37
#17975
21M
21.00 mi14:31:303:14:179:159:53
9:53
#17658
35K
21.75 mi14:38:323:21:199:157:02
9:24
#17555
23M
23.00 mi14:50:253:33:129:1611:53
9:29
#17312
24M
24.00 mi14:59:333:42:209:169:08
9:08
#17125
40K
24.85 mi15:07:303:50:179:167:57
9:18
#16923
25.2M
25.20 mi15:10:593:53:469:173:29
10:06
#16804
Finish
26.22 mi15:19:464:02:339:158:47
8:37
#16612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216898755875518930(Top 74%)7213(Top 66%)7213(Top 155%)
10K6.21 mi3.10 mi20866+8238319+4368319+43619889(Top 78%)7772(Top 71%)7772(Top 167%)
15K9.32 mi3.11 mi20246+6207962+3577962+35718930(Top 74%)7213(Top 66%)7213(Top 155%)
20K12.43 mi3.11 mi19474+7727551+4117551+41117262(Top 68%)6306(Top 58%)6306(Top 135%)
Half13.11 mi0.68 mi19433+417529+227529+2218654(Top 73%)7129(Top 65%)7129(Top 153%)
25K15.53 mi2.42 mi18896+5377255+2747255+27416434(Top 64%)5958(Top 55%)5958(Top 128%)
30K18.64 mi3.11 mi18212+6846954+3016954+30115331(Top 60%)5600(Top 51%)5600(Top 120%)
20M20.00 mi1.36 mi17975+2376851+1036851+10315023(Top 59%)5686(Top 52%)5686(Top 122%)
21M21.00 mi1.00 mi17658+3176702+1496702+14912537(Top 49%)4551(Top 42%)4551(Top 98%)
35K21.75 mi0.75 mi17555+1036656+466656+4615146(Top 59%)5908(Top 54%)5908(Top 127%)
23M23.00 mi1.25 mi17312+2436542+1146542+11413501(Top 53%)5162(Top 47%)5162(Top 111%)
24M24.00 mi1.00 mi17125+1876460+826460+8212830(Top 50%)4849(Top 44%)4849(Top 104%)
40K24.85 mi0.85 mi16923+2026394+666394+6612284(Top 48%)4686(Top 43%)4686(Top 101%)
25.2M25.20 mi0.35 mi16804+1196340+546340+5411426(Top 45%)4326(Top 40%)4326(Top 93%)
Finish26.22 mi1.02 mi16612+1926253+876253+8712218(Top 48%)4583(Top 42%)4583(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18930

Females

7213

F18-39

7213

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19889

Females

7772

F18-39

7772

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18930

Females

7213

F18-39

7213

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17262

Females

6306

F18-39

6306

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

18654

Females

7129

F18-39

7129

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16434

Females

5958

F18-39

5958

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15331

Females

5600

F18-39

5600

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15023

Females

5686

F18-39

5686

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12537

Females

4551

F18-39

4551

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15146

Females

5908

F18-39

5908

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

13501

Females

5162

F18-39

5162

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12830

Females

4849

F18-39

4849

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12284

Females

4686

F18-39

4686

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11426

Females

4326

F18-39

4326

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12218

Females

4583

F18-39

4583

Passing Analysis

Category:
Athletes Passed
5230
Passed By
153
Net Change
+5077
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21689
5K → 10K85330+823#21689#20866
10K → 15K63919+620#20866#20246
15K → 20K7753+772#20246#19474
20K → Half5413+41#19474#19433
Half → 25K54811+537#19433#18896
25K → 30K69612+684#18896#18212
30K → 20M24811+237#18212#17975
20M → 21M3192+317#17975#17658
21M → 35K12421+103#17658#17555
35K → 23M2529+243#17555#17312
23M → 24M1958+187#17312#17125
24M → 40K2086+202#17125#16923
40K → 25.2M1201+119#16923#16804
25.2M → Finish1997+192#16804#16612
TOTALS5230153+5077
📊

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