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BOSTON MARATHON 2023

Chihoko Wakita

Bib: 11942•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F45-49)
#0 / 1817
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:12:52
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:39:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:04:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:30:30
↑ 181↓ 1480.2%
20M
8:40/mi
2:42:16
↑ 64↓ 500.2%
21M
9:20/mi
2:51:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
2:58:13
↑ 17↓ 861.7%
23M
9:14/mi
3:09:47
↑ 23↓ 630.6%
24M
8:54/mi
3:18:41
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:26:07
↓ 200.3%
25.2M
9:49/mi
3:29:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
3:38:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:54:05
Pace8:42 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5223:547:4223:54
7:42
-
10K
6.21 mi11:17:5848:007:4324:06
7:45
+0:03
15K
9.32 mi11:42:501:12:527:4924:52
8:00
+0:15
20K
12.43 mi12:08:581:39:007:5826:08
8:25
+0:25
Half
13.11 mi12:14:211:44:237:585:23
7:53
-0:32
25K
15.53 mi12:34:162:04:188:0019:55
8:13
+0:20
30K
18.64 mi13:00:282:30:308:0426:12
8:26
+0:13
20M
20.00 mi13:12:142:42:168:0711:46
8:40
+0:14
21M
21.00 mi13:21:342:51:368:109:20
9:20
+0:40
35K
21.75 mi13:28:112:58:138:126:37
8:51
-0:29
23M
23.00 mi13:39:453:09:478:1511:34
9:14
+0:23
24M
24.00 mi13:48:393:18:418:178:54
8:54
-0:20
40K
24.85 mi13:56:053:26:078:187:26
8:42
-0:12
25.2M
25.20 mi13:59:283:29:308:193:23
9:49
+1:07
Finish
26.22 mi14:08:263:38:288:208:58
8:48
-1:01

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

7:42 /mi

Average Pace

8:20 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:10

45% of race

Time at Steady Pace

1:36:01

44% of race

Time at Slower Pace

24:17

11% of race

Average Pace: 8:20 /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 mi10:53:5223:547:4223:54
7:42
#11397
10K
6.21 mi11:17:5848:007:4324:06
7:45
#12063
15K
9.32 mi11:42:501:12:527:4924:52
8:00
#12864
20K
12.43 mi12:08:581:39:007:5826:08
8:25
#13837
Half
13.11 mi12:14:211:44:237:585:23
7:53
#13808
25K
15.53 mi12:34:162:04:188:0019:55
8:13
#13890
30K
18.64 mi13:00:282:30:308:0426:12
8:26
#13877
20M
20.00 mi13:12:142:42:168:0711:46
8:40
#13942
21M
21.00 mi13:21:342:51:368:109:20
9:20
#14000
35K
21.75 mi13:28:112:58:138:126:37
8:51
#14128
23M
23.00 mi13:39:453:09:478:1511:34
9:14
#14335
24M
24.00 mi13:48:393:18:418:178:54
8:54
#14438
40K
24.85 mi13:56:053:26:078:187:26
8:42
#14436
25.2M
25.20 mi13:59:283:29:308:193:23
9:49
#14465
Finish
26.22 mi14:08:263:38:288:208:58
8:48
#14554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi113972540254014434(Top 54%)4342(Top 38%)4342(Top 239%)
10K6.21 mi3.10 mi12063-6662896-3562896-35612760(Top 48%)3293(Top 29%)3293(Top 181%)
15K9.32 mi3.11 mi12864-8013376-4803376-48014434(Top 54%)4342(Top 38%)4342(Top 239%)
20K12.43 mi3.11 mi13837-9733984-6083984-60816314(Top 61%)5535(Top 48%)5535(Top 305%)
Half13.11 mi0.68 mi13808+293967+173967+1713583(Top 51%)3859(Top 34%)3859(Top 212%)
25K15.53 mi2.42 mi13890-824049-824049-8214351(Top 54%)4422(Top 39%)4422(Top 243%)
30K18.64 mi3.11 mi13877+134066-174066-1713901(Top 52%)4275(Top 37%)4275(Top 235%)
20M20.00 mi1.36 mi13942-654124-584124-5814635(Top 55%)4787(Top 42%)4787(Top 263%)
21M21.00 mi1.00 mi14000-584186-624186-6215187(Top 57%)5159(Top 45%)5159(Top 284%)
35K21.75 mi0.75 mi14128-1284283-974283-9717179(Top 65%)6364(Top 56%)6364(Top 350%)
23M23.00 mi1.25 mi14335-2074436-1534436-15317243(Top 65%)6419(Top 56%)6419(Top 353%)
24M24.00 mi1.00 mi14438-1034518-824518-8216773(Top 63%)6229(Top 55%)6229(Top 343%)
40K24.85 mi0.85 mi14436+24538-204538-2014489(Top 54%)5019(Top 44%)5019(Top 276%)
25.2M25.20 mi0.35 mi14465-294564-264564-2616598(Top 62%)6187(Top 54%)6187(Top 341%)
Finish26.22 mi1.02 mi14554-894632-684632-6817042(Top 64%)6394(Top 56%)6394(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14434

Females

4342

F45-49

4342

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12760

Females

3293

F45-49

3293

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14434

Females

4342

F45-49

4342

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16314

Females

5535

F45-49

5535

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13583

Females

3859

F45-49

3859

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14351

Females

4422

F45-49

4422

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13901

Females

4275

F45-49

4275

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14635

Females

4787

F45-49

4787

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15187

Females

5159

F45-49

5159

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17179

Females

6364

F45-49

6364

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17243

Females

6419

F45-49

6419

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16773

Females

6229

F45-49

6229

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14489

Females

5019

F45-49

5019

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16598

Females

6187

F45-49

6187

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17042

Females

6394

F45-49

6394

Passing Analysis

Category:
Athletes Passed
874
Passed By
4031
Net Change
-3157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11397
5K → 10K101767-666#11397#12063
10K → 15K36837-801#12063#12864
15K → 20K361009-973#12864#13837
20K → Half5122+29#13837#13808
Half → 25K109191-82#13808#13890
25K → 30K190177+13#13890#13877
30K → 20M73138-65#13877#13942
20M → 21M72130-58#13942#14000
21M → 35K19147-128#14000#14128
35K → 23M37244-207#14128#14335
23M → 24M47150-103#14335#14438
24M → 40K5250+2#14438#14436
40K → 25.2M1544-29#14436#14465
25.2M → Finish36125-89#14465#14554
TOTALS8744031-3157
📊

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