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BOSTON MARATHON 2024

Mandy Tachiki

Bib: 13511•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F50-54)
#0 / 1187
Top 11%
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
7:17/mi
22:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:01
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:31:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:37:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
1:56:50
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:25:15
↑ 181↓ 1480.2%
20M
8:56/mi
2:37:23
↑ 64↓ 500.2%
21M
10:08/mi
2:47:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:53:56
↑ 17↓ 861.7%
23M
8:44/mi
3:04:52
↑ 23↓ 630.6%
24M
8:54/mi
3:13:46
↓ 821.3%
40K· 24.85 mi
11:32/mi
3:23:38
↓ 200.3%
25.2M
11:21/mi
3:27:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:35:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:58:46
Pace9:04 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2822:397:1722:39
7:17
-
10K
6.21 mi11:14:5345:047:1522:25
7:13
-0:04
15K
9.32 mi11:37:501:08:017:1822:57
7:23
+0:10
20K
12.43 mi12:01:461:31:577:2423:56
7:42
+0:19
Half
13.11 mi12:07:001:37:117:255:14
7:40
-0:02
25K
15.53 mi12:26:391:56:507:3119:39
8:06
+0:26
30K
18.64 mi12:55:042:25:157:4828:25
9:09
+1:03
20M
20.00 mi13:07:122:37:237:5212:08
8:56
-0:13
21M
21.00 mi13:17:202:47:317:5910:08
10:08
+1:12
35K
21.75 mi13:23:452:53:568:006:25
8:35
-1:33
23M
23.00 mi13:34:413:04:528:0210:56
8:44
+0:09
24M
24.00 mi13:43:353:13:468:048:54
8:54
+0:10
40K
24.85 mi13:53:273:23:388:129:52
11:32
+2:38
25.2M
25.20 mi13:57:223:27:338:143:55
11:21
-0:11
Finish
26.22 mi14:05:463:35:578:158:24
8:15
-3:06

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

7:13 /mi

Average Pace

8:15 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:11

45% of race

Time at Steady Pace

1:34:51

44% of race

Time at Slower Pace

23:55

11% of race

Average Pace: 8:14 /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 mi10:52:2822:397:1722:39
7:17
#9120
10K
6.21 mi11:14:5345:047:1522:25
7:13
#8543
15K
9.32 mi11:37:501:08:017:1822:57
7:23
#8599
20K
12.43 mi12:01:461:31:577:2423:56
7:42
#8850
Half
13.11 mi12:07:001:37:117:255:14
7:40
#8938
25K
15.53 mi12:26:391:56:507:3119:39
8:06
#9239
30K
18.64 mi12:55:042:25:157:4828:25
9:09
#10189
20M
20.00 mi13:07:122:37:237:5212:08
8:56
#10294
21M
21.00 mi13:17:202:47:317:5910:08
10:08
#10485
35K
21.75 mi13:23:452:53:568:006:25
8:35
#10471
23M
23.00 mi13:34:413:04:528:0210:56
8:44
#10346
24M
24.00 mi13:43:353:13:468:048:54
8:54
#10392
40K
24.85 mi13:53:273:23:388:129:52
11:32
#10955
25.2M
25.20 mi13:57:223:27:338:143:55
11:21
#11057
Finish
26.22 mi14:05:463:35:578:158:24
8:15
#10985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi9120163616368809(Top 34%)1612(Top 15%)1612(Top 136%)
10K6.21 mi3.10 mi8543+5771430+2061430+2068056(Top 32%)1268(Top 12%)1268(Top 107%)
15K9.32 mi3.11 mi8599-561461-311461-318809(Top 34%)1612(Top 15%)1612(Top 136%)
20K12.43 mi3.11 mi8850-2511601-1401601-1409777(Top 38%)2225(Top 20%)2225(Top 187%)
Half13.11 mi0.68 mi8938-881648-471648-4710448(Top 41%)2538(Top 23%)2538(Top 214%)
25K15.53 mi2.42 mi9239-3011821-1731821-17310843(Top 42%)2890(Top 26%)2890(Top 243%)
30K18.64 mi3.11 mi10189-9502416-5952416-59513942(Top 55%)4813(Top 44%)4813(Top 405%)
20M20.00 mi1.36 mi10294-1052532-1162532-11611755(Top 46%)3883(Top 36%)3883(Top 327%)
21M21.00 mi1.00 mi10485-1912676-1442676-14413494(Top 53%)5034(Top 46%)5034(Top 424%)
35K21.75 mi0.75 mi10471+142700-242700-2411183(Top 44%)3846(Top 35%)3846(Top 324%)
23M23.00 mi1.25 mi10346+1252703-32703-39750(Top 38%)3264(Top 30%)3264(Top 275%)
24M24.00 mi1.00 mi10392-462777-742777-7411654(Top 46%)4232(Top 39%)4232(Top 357%)
40K24.85 mi0.85 mi10955-5633105-3283105-32819426(Top 76%)8218(Top 75%)8218(Top 692%)
25.2M25.20 mi0.35 mi11057-1023185-803185-8015644(Top 61%)6345(Top 58%)6345(Top 535%)
Finish26.22 mi1.02 mi10985+723191-63191-610021(Top 39%)3534(Top 32%)3534(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

8809

Females

1612

F50-54

1612

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8056

Females

1268

F50-54

1268

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

8809

Females

1612

F50-54

1612

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9777

Females

2225

F50-54

2225

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10448

Females

2538

F50-54

2538

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10843

Females

2890

F50-54

2890

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

13942

Females

4813

F50-54

4813

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11755

Females

3883

F50-54

3883

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13494

Females

5034

F50-54

5034

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11183

Females

3846

F50-54

3846

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9750

Females

3264

F50-54

3264

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11654

Females

4232

F50-54

4232

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19426

Females

8218

F50-54

8218

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15644

Females

6345

F50-54

6345

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10021

Females

3534

F50-54

3534

Passing Analysis

Category:
Athletes Passed
1846
Passed By
3708
Net Change
-1865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9120
5K → 10K62043+577#9120#8543
10K → 15K165221-56#8543#8599
15K → 20K127378-251#8599#8850
20K → Half15103-88#8850#8938
Half → 25K123424-301#8938#9239
25K → 30K801028-950#9239#10189
30K → 20M114218-105#10189#10294
20M → 21M80271-191#10294#10485
21M → 35K8268+14#10485#10471
35K → 23M19873+125#10471#10346
23M → 24M85131-46#10346#10392
24M → 40K17580-563#10392#10955
40K → 25.2M24126-102#10955#11057
25.2M → Finish11644+72#11057#10985
TOTALS18463708-1865
📊

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