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BOSTON MARATHON 2024

Kahori Koda

Bib: 18422•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 46%
Division (F55-59)
#0 / 876
Top 25%
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
8:10/mi
25:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:16:34
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:44:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:50:25
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:12:43
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
2:45:16
↑ 181↓ 1480.2%
20M
10:06/mi
2:58:59
↑ 64↓ 500.2%
21M
10:46/mi
3:09:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
3:16:08
↑ 17↓ 861.7%
23M
9:09/mi
3:27:35
↑ 23↓ 630.6%
24M
9:09/mi
3:36:44
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:45:19
↓ 200.3%
25.2M
11:50/mi
3:49:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:58:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:25
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:08:05
Pace9:46 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2225:218:1025:21
8:10
-
10K
6.21 mi11:42:2250:218:0625:00
8:03
-0:07
15K
9.32 mi12:08:351:16:348:1326:13
8:26
+0:23
20K
12.43 mi12:36:181:44:178:2327:43
8:55
+0:29
Half
13.11 mi12:42:261:50:258:256:08
8:59
+0:04
25K
15.53 mi13:04:442:12:438:3322:18
9:12
+0:13
30K
18.64 mi13:37:172:45:168:5232:33
10:29
+1:17
20M
20.00 mi13:51:002:58:598:5713:43
10:06
-0:23
21M
21.00 mi14:01:463:09:459:0210:46
10:46
+0:40
35K
21.75 mi14:08:093:16:089:016:23
8:32
-2:14
23M
23.00 mi14:19:363:27:359:0211:27
9:09
+0:37
24M
24.00 mi14:28:453:36:449:029:09
9:09
0:00
40K
24.85 mi14:37:203:45:199:048:35
10:02
+0:53
25.2M
25.20 mi14:41:253:49:249:064:05
11:50
+1:48
Finish
26.22 mi14:50:313:58:309:069:06
8:56
-2:54

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

8:03 /mi

Average Pace

9:06 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:57

35% of race

Time at Steady Pace

1:25:51

36% of race

Time at Slower Pace

1:09:42

29% of race

Average Pace: 9:06 /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 mi11:17:2225:218:1025:21
8:10
#15785
10K
6.21 mi11:42:2250:218:0625:00
8:03
#15146
15K
9.32 mi12:08:351:16:348:1326:13
8:26
#15453
20K
12.43 mi12:36:181:44:178:2327:43
8:55
#15793
Half
13.11 mi12:42:261:50:258:256:08
8:59
#15929
25K
15.53 mi13:04:442:12:438:3322:18
9:12
#15998
30K
18.64 mi13:37:172:45:168:5232:33
10:29
#16708
20M
20.00 mi13:51:002:58:598:5713:43
10:06
#16755
21M
21.00 mi14:01:463:09:459:0210:46
10:46
#16708
35K
21.75 mi14:08:093:16:089:016:23
8:32
#16517
23M
23.00 mi14:19:363:27:359:0211:27
9:09
#16235
24M
24.00 mi14:28:453:36:449:029:09
9:09
#16061
40K
24.85 mi14:37:203:45:199:048:35
10:02
#16013
25.2M
25.20 mi14:41:253:49:249:064:05
11:50
#16042
Finish
26.22 mi14:50:313:58:309:069:06
8:56
#15947
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi157855436543616072(Top 63%)5602(Top 51%)5602(Top 639%)
10K6.21 mi3.10 mi15146+6395026+4105026+41014541(Top 57%)4660(Top 43%)4660(Top 532%)
15K9.32 mi3.11 mi15453-3075218-1925218-19216072(Top 63%)5602(Top 51%)5602(Top 639%)
20K12.43 mi3.11 mi15793-3405446-2285446-22816996(Top 67%)6165(Top 56%)6165(Top 704%)
Half13.11 mi0.68 mi15929-1365541-955541-9518220(Top 71%)6890(Top 63%)6890(Top 787%)
25K15.53 mi2.42 mi15998-695610-695610-6916406(Top 64%)5943(Top 54%)5943(Top 678%)
30K18.64 mi3.11 mi16708-7106094-4846094-48418727(Top 73%)7432(Top 68%)7432(Top 848%)
20M20.00 mi1.36 mi16755-476155-616155-6116794(Top 66%)6609(Top 60%)6609(Top 754%)
21M21.00 mi1.00 mi16708+476162-76162-715677(Top 61%)6151(Top 56%)6151(Top 702%)
35K21.75 mi0.75 mi16517+1916048+1146048+11410997(Top 43%)3765(Top 34%)3765(Top 430%)
23M23.00 mi1.25 mi16235+2825938+1105938+11011927(Top 47%)4373(Top 40%)4373(Top 499%)
24M24.00 mi1.00 mi16061+1745876+625876+6212898(Top 50%)4883(Top 45%)4883(Top 557%)
40K24.85 mi0.85 mi16013+485880-45880-415158(Top 59%)6087(Top 56%)6087(Top 695%)
25.2M25.20 mi0.35 mi16042-295904-245904-2416971(Top 66%)7023(Top 64%)7023(Top 802%)
Finish26.22 mi1.02 mi15947+955876+285876+2813874(Top 54%)5413(Top 50%)5413(Top 618%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16072

Females

5602

F55-59

5602

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

14541

Females

4660

F55-59

4660

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16072

Females

5602

F55-59

5602

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

16996

Females

6165

F55-59

6165

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18220

Females

6890

F55-59

6890

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16406

Females

5943

F55-59

5943

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18727

Females

7432

F55-59

7432

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16794

Females

6609

F55-59

6609

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15677

Females

6151

F55-59

6151

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

10997

Females

3765

F55-59

3765

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

11927

Females

4373

F55-59

4373

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12898

Females

4883

F55-59

4883

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15158

Females

6087

F55-59

6087

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16971

Females

7023

F55-59

7023

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

13874

Females

5413

F55-59

5413

Passing Analysis

Category:
Athletes Passed
2442
Passed By
2604
Net Change
-162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15785
5K → 10K71374+639#15785#15146
10K → 15K152459-307#15146#15453
15K → 20K147487-340#15453#15793
20K → Half11147-136#15793#15929
Half → 25K192261-69#15929#15998
25K → 30K75785-710#15998#16708
30K → 20M103150-47#16708#16755
20M → 21M13588+47#16755#16708
21M → 35K1943+191#16708#16517
35K → 23M2886+282#16517#16235
23M → 24M1817+174#16235#16061
24M → 40K10456+48#16061#16013
40K → 25.2M2453-29#16013#16042
25.2M → Finish12328+95#16042#15947
TOTALS24422604-162
📊

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