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BOSTON MARATHON 2024

Jodie Isomura

Bib: 21805•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Top 49%
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
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:04
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:48:18
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
1:54:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:17:53
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
2:49:41
↑ 181↓ 1480.2%
20M
10:22/mi
3:03:46
↑ 64↓ 500.2%
21M
10:57/mi
3:14:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:49/mi
3:22:04
↑ 17↓ 861.7%
23M
9:56/mi
3:34:30
↑ 23↓ 630.6%
24M
9:05/mi
3:43:35
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:51:44
↓ 200.3%
25.2M
9:52/mi
3:55:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
4:04:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:46
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:09:38
Pace9:53 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3926:068:2426:06
8:24
-
10K
6.21 mi11:48:0152:288:2726:22
8:29
+0:05
15K
9.32 mi12:14:371:19:048:2926:36
8:34
+0:05
20K
12.43 mi12:43:511:48:188:4329:14
9:25
+0:51
Half
13.11 mi12:50:191:54:468:456:28
9:29
+0:04
25K
15.53 mi13:13:262:17:538:5323:07
9:32
+0:03
30K
18.64 mi13:45:142:49:419:0631:48
10:14
+0:42
20M
20.00 mi13:59:193:03:469:1114:05
10:22
+0:08
21M
21.00 mi14:10:163:14:439:1610:57
10:57
+0:35
35K
21.75 mi14:17:373:22:049:177:21
9:49
-1:08
23M
23.00 mi14:30:033:34:309:2012:26
9:56
+0:07
24M
24.00 mi14:39:083:43:359:199:05
9:05
-0:51
40K
24.85 mi14:47:173:51:449:198:09
9:32
+0:27
25.2M
25.20 mi14:50:413:55:089:203:24
9:52
+0:20
Finish
26.22 mi14:59:574:04:249:209:16
9:06
-0:46

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

8:24 /mi

Average Pace

9:20 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:25

40% of race

Time at Steady Pace

1:17:43

32% of race

Time at Slower Pace

1:09:16

28% of race

Average Pace: 9:19 /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 mi11:21:3926:068:2426:06
8:24
#17231
10K
6.21 mi11:48:0152:288:2726:22
8:29
#17180
15K
9.32 mi12:14:371:19:048:2926:36
8:34
#16973
20K
12.43 mi12:43:511:48:188:4329:14
9:25
#17600
Half
13.11 mi12:50:191:54:468:456:28
9:29
#17752
25K
15.53 mi13:13:262:17:538:5323:07
9:32
#17721
30K
18.64 mi13:45:142:49:419:0631:48
10:14
#17840
20M
20.00 mi13:59:193:03:469:1114:05
10:22
#17841
21M
21.00 mi14:10:163:14:439:1610:57
10:57
#17754
35K
21.75 mi14:17:373:22:049:177:21
9:49
#17699
23M
23.00 mi14:30:033:34:309:2012:26
9:56
#17530
24M
24.00 mi14:39:083:43:359:199:05
9:05
#17336
40K
24.85 mi14:47:173:51:449:198:09
9:32
#17152
25.2M
25.20 mi14:50:413:55:089:203:24
9:52
#17037
Finish
26.22 mi14:59:574:04:249:209:16
9:06
#16915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi172316296629616737(Top 66%)5994(Top 55%)5994(Top 505%)
10K6.21 mi3.10 mi17180+516258+386258+3817199(Top 67%)6254(Top 57%)6254(Top 527%)
15K9.32 mi3.11 mi16973+2076130+1286130+12816737(Top 66%)5994(Top 55%)5994(Top 505%)
20K12.43 mi3.11 mi17600-6276518-3886518-38818902(Top 74%)7224(Top 66%)7224(Top 609%)
Half13.11 mi0.68 mi17752-1526606-886606-8820013(Top 78%)7870(Top 72%)7870(Top 663%)
25K15.53 mi2.42 mi17721+316612-66612-617669(Top 69%)6637(Top 61%)6637(Top 559%)
30K18.64 mi3.11 mi17840-1196748-1366748-13618071(Top 71%)7079(Top 65%)7079(Top 596%)
20M20.00 mi1.36 mi17841-16772-246772-2417602(Top 69%)7014(Top 64%)7014(Top 591%)
21M21.00 mi1.00 mi17754+876758+146758+1416210(Top 63%)6430(Top 59%)6430(Top 542%)
35K21.75 mi0.75 mi17699+556740+186740+1816628(Top 65%)6668(Top 61%)6668(Top 562%)
23M23.00 mi1.25 mi17530+1696664+766664+7615248(Top 60%)6049(Top 55%)6049(Top 510%)
24M24.00 mi1.00 mi17336+1946578+866578+8612613(Top 49%)4734(Top 43%)4734(Top 399%)
40K24.85 mi0.85 mi17152+1846511+676511+6713273(Top 52%)5188(Top 47%)5188(Top 437%)
25.2M25.20 mi0.35 mi17037+1156469+426469+4210444(Top 41%)3861(Top 35%)3861(Top 325%)
Finish26.22 mi1.02 mi16915+1226431+386431+3814699(Top 58%)5824(Top 53%)5824(Top 491%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16737

Females

5994

F50-54

5994

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17199

Females

6254

F50-54

6254

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16737

Females

5994

F50-54

5994

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18902

Females

7224

F50-54

7224

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20013

Females

7870

F50-54

7870

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17669

Females

6637

F50-54

6637

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18071

Females

7079

F50-54

7079

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17602

Females

7014

F50-54

7014

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16210

Females

6430

F50-54

6430

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

16628

Females

6668

F50-54

6668

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15248

Females

6049

F50-54

6049

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12613

Females

4734

F50-54

4734

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13273

Females

5188

F50-54

5188

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10444

Females

3861

F50-54

3861

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

14699

Females

5824

F50-54

5824

Passing Analysis

Category:
Athletes Passed
2390
Passed By
2074
Net Change
+316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17231
5K → 10K308257+51#17231#17180
10K → 15K338131+207#17180#16973
15K → 20K114741-627#16973#17600
20K → Half13165-152#17600#17752
Half → 25K216185+31#17752#17721
25K → 30K209328-119#17721#17840
30K → 20M114115-1#17840#17841
20M → 21M14659+87#17841#17754
21M → 35K9641+55#17754#17699
35K → 23M19324+169#17699#17530
23M → 24M1984+194#17530#17336
24M → 40K1895+184#17336#17152
40K → 25.2M1161+115#17152#17037
25.2M → Finish14018+122#17037#16915
TOTALS23902074+316
📊

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