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BOSTON MARATHON 2024

Katrina Lee

Bib: 18621•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 34%
Masters (Masters Women)
#0 / 6263
Top 21%
Division (F45-49)
#0 / 1753
Top 26%
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:11:38
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:36:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:42:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:02:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:29:44
↑ 181↓ 1480.2%
20M
9:21/mi
2:42:27
↑ 64↓ 500.2%
21M
9:47/mi
2:52:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:04/mi
2:59:01
↑ 17↓ 861.7%
23M
9:00/mi
3:10:17
↑ 23↓ 630.6%
24M
8:56/mi
3:19:13
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:26:46
↓ 200.3%
25.2M
10:06/mi
3:30:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
3:39:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:10
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2724:057:4524:05
7:45
-
10K
6.21 mi11:38:5747:357:3923:30
7:34
-0:11
15K
9.32 mi12:03:001:11:387:4124:03
7:44
+0:10
20K
12.43 mi12:28:041:36:427:4725:04
8:04
+0:20
Half
13.11 mi12:33:321:42:107:485:28
8:01
-0:03
25K
15.53 mi12:53:372:02:157:5220:05
8:17
+0:16
30K
18.64 mi13:21:062:29:448:0227:29
8:51
+0:34
20M
20.00 mi13:33:492:42:278:0712:43
9:21
+0:30
21M
21.00 mi13:43:362:52:148:129:47
9:47
+0:26
35K
21.75 mi13:50:232:59:018:146:47
9:04
-0:43
23M
23.00 mi14:01:393:10:178:1611:16
9:00
-0:04
24M
24.00 mi14:10:353:19:138:188:56
8:56
-0:04
40K
24.85 mi14:18:083:26:468:197:33
8:50
-0:06
25.2M
25.20 mi14:21:373:30:158:213:29
10:06
+1:16
Finish
26.22 mi14:30:533:39:318:239:16
9:06
-1:00

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

7:34 /mi

Average Pace

8:23 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:15

56% of race

Time at Steady Pace

1:11:17

32% of race

Time at Slower Pace

25:59

12% of race

Average Pace: 8:22 /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 mi11:15:2724:057:4524:05
7:45
#12744
10K
6.21 mi11:38:5747:357:3923:30
7:34
#11717
15K
9.32 mi12:03:001:11:387:4124:03
7:44
#11625
20K
12.43 mi12:28:041:36:427:4725:04
8:04
#11762
Half
13.11 mi12:33:321:42:107:485:28
8:01
#11814
25K
15.53 mi12:53:372:02:157:5220:05
8:17
#11752
30K
18.64 mi13:21:062:29:448:0227:29
8:51
#11886
20M
20.00 mi13:33:492:42:278:0712:43
9:21
#12053
21M
21.00 mi13:43:362:52:148:129:47
9:47
#12005
35K
21.75 mi13:50:232:59:018:146:47
9:04
#12044
23M
23.00 mi14:01:393:10:178:1611:16
9:00
#11950
24M
24.00 mi14:10:353:19:138:188:56
8:56
#11914
40K
24.85 mi14:18:083:26:468:197:33
8:50
#11798
25.2M
25.20 mi14:21:373:30:158:213:29
10:06
#11775
Finish
26.22 mi14:30:533:39:318:239:16
9:06
#11877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi127443570357011502(Top 45%)2962(Top 27%)2962(Top 169%)
10K6.21 mi3.10 mi11717+10273006+5643006+56410816(Top 42%)2543(Top 23%)2543(Top 145%)
15K9.32 mi3.11 mi11625+922996+102996+1011502(Top 45%)2962(Top 27%)2962(Top 169%)
20K12.43 mi3.11 mi11762-1373091-953091-9512313(Top 48%)3484(Top 32%)3484(Top 199%)
Half13.11 mi0.68 mi11814-523126-353126-3512895(Top 50%)3824(Top 35%)3824(Top 218%)
25K15.53 mi2.42 mi11752+623124+23124+211894(Top 47%)3457(Top 32%)3457(Top 197%)
30K18.64 mi3.11 mi11886-1343286-1623286-16212439(Top 49%)3966(Top 36%)3966(Top 226%)
20M20.00 mi1.36 mi12053-1673437-1513437-15113899(Top 54%)5065(Top 46%)5065(Top 289%)
21M21.00 mi1.00 mi12005+483469-323469-3212060(Top 47%)4286(Top 39%)4286(Top 244%)
35K21.75 mi0.75 mi12044-393527-583527-5813637(Top 53%)5130(Top 47%)5130(Top 293%)
23M23.00 mi1.25 mi11950+943546-193546-1911173(Top 44%)3985(Top 36%)3985(Top 227%)
24M24.00 mi1.00 mi11914+363571-253571-2511817(Top 46%)4309(Top 39%)4309(Top 246%)
40K24.85 mi0.85 mi11798+1163563+83563+810069(Top 39%)3601(Top 33%)3601(Top 205%)
25.2M25.20 mi0.35 mi11775+233569-63569-611365(Top 44%)4265(Top 39%)4265(Top 243%)
Finish26.22 mi1.02 mi11877-1023661-923661-9214681(Top 57%)5806(Top 53%)5806(Top 331%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11502

Females

2962

F45-49

2962

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10816

Females

2543

F45-49

2543

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11502

Females

2962

F45-49

2962

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12313

Females

3484

F45-49

3484

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12895

Females

3824

F45-49

3824

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

11894

Females

3457

F45-49

3457

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12439

Females

3966

F45-49

3966

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

13899

Females

5065

F45-49

5065

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12060

Females

4286

F45-49

4286

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13637

Females

5130

F45-49

5130

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11173

Females

3985

F45-49

3985

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11817

Females

4309

F45-49

4309

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10069

Females

3601

F45-49

3601

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11365

Females

4265

F45-49

4265

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

14681

Females

5806

F45-49

5806

Passing Analysis

Category:
Athletes Passed
2909
Passed By
2042
Net Change
+867
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12744
5K → 10K106033+1027#12744#11717
10K → 15K275183+92#11717#11625
15K → 20K192329-137#11625#11762
20K → Half2274-52#11762#11814
Half → 25K249187+62#11814#11752
25K → 30K250384-134#11752#11886
30K → 20M100267-167#11886#12053
20M → 21M158110+48#12053#12005
21M → 35K5796-39#12005#12044
35K → 23M18086+94#12044#11950
23M → 24M10367+36#11950#11914
24M → 40K15741+116#11914#11798
40K → 25.2M5128+23#11798#11775
25.2M → Finish55157-102#11775#11877
TOTALS29092042+867
📊

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