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BOSTON MARATHON 2026

Akiko Umakoshi

Bib: 26067•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F65-69)
#0 / 273
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
28:21
3.11 mi
Rank: #23187
Start → 5K
28:21 | 9:08/mi
10K
57:18
6.21 mi
Rank: #23626 (-439)
5K → 10K
28:57 | 9:20/mi
15K
1:26:40
9.32 mi
Rank: #23911 (-285)
10K → 15K
29:22 | 9:28/mi
20K
1:57:50
12.43 mi
Rank: #24256 (-345)
15K → 20K
31:10 | 10:02/mi
HALF
2:04:21
13.11 mi
Rank: #24274 (-18)
20K → HALF
6:31 | 9:34/mi
25K
2:30:05
15.53 mi
Rank: #24547 (-273)
HALF → 25K
25:44 | 10:37/mi
30K
3:05:24
18.64 mi
Rank: #24850 (-303)
25K → 30K
35:19 | 11:23/mi
20M
3:21:21
20.00 mi
Rank: #24959 (-109)
30K → 20M
15:57 | 11:45/mi
21M
3:34:10
21.00 mi
Rank: #25071 (-112)
20M → 21M
12:49 | 12:49/mi
35K
3:42:06
21.75 mi
Rank: #25058 (+13)
21M → 35K
7:56 | 10:37/mi
23M
3:56:26
23.00 mi
Rank: #25073 (-15)
35K → 23M
14:20 | 11:28/mi
24M
4:07:04
24.00 mi
Rank: #25041 (+32)
23M → 24M
10:38 | 10:38/mi
40K
4:16:43
24.85 mi
Rank: #25037 (+4)
24M → 40K
9:39 | 11:18/mi
25.2M
4:21:05
25.20 mi
Rank: #25044 (-7)
40K → 25.2M
4:22 | 12:40/mi
FINISH
4:32:31
26.22 mi
Rank: #25130 (-86)
25.2M → FINISH
11:26 | 11:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:21
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:28:10
Pace11:19 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:0228:219:0828:21
9:08
-
10K
6.21 mi12:04:5957:189:1428:57
9:20
+0:12
15K
9.32 mi12:34:211:26:409:1829:22
9:28
+0:08
20K
12.43 mi13:05:311:57:509:2931:10
10:02
+0:34
HALF
13.11 mi13:12:022:04:219:306:31
9:34
-0:28
25K
15.53 mi13:37:462:30:059:4025:44
10:37
+1:03
30K
18.64 mi14:13:053:05:249:5735:19
11:23
+0:46
20M
20.00 mi14:29:023:21:2110:0515:57
11:45
+0:22
21M
21.00 mi14:41:513:34:1010:1212:49
12:49
+1:04
35K
21.75 mi14:49:473:42:0610:137:56
10:37
-2:12
23M
23.00 mi15:04:073:56:2610:1714:20
11:28
+0:51
24M
24.00 mi15:14:454:07:0410:1810:38
10:38
-0:50
40K
24.85 mi15:24:244:16:4310:209:39
11:18
+0:40
25.2M
25.20 mi15:28:464:21:0510:224:22
12:40
+1:22
FINISH
26.22 mi15:40:124:32:3110:2511:26
11:14
-1:26

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:08 /mi

Average Pace

10:24 /mi

Slowest Pace

12:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:04:21

46% of race

Time at Steady Pace

44:18

16% of race

Time at Slower Pace

1:43:52

38% of race

Average Pace: 10:24 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:36:0228:219:0828:21
9:08
#23187
10K
6.21 mi12:04:5957:189:1428:57
9:20
#23626
15K
9.32 mi12:34:211:26:409:1829:22
9:28
#23911
20K
12.43 mi13:05:311:57:509:2931:10
10:02
#24256
HALF
13.11 mi13:12:022:04:219:306:31
9:34
#24274
25K
15.53 mi13:37:462:30:059:4025:44
10:37
#24547
30K
18.64 mi14:13:053:05:249:5735:19
11:23
#24850
20M
20.00 mi14:29:023:21:2110:0515:57
11:45
#24959
21M
21.00 mi14:41:513:34:1010:1212:49
12:49
#25071
35K
21.75 mi14:49:473:42:0610:137:56
10:37
#25058
23M
23.00 mi15:04:073:56:2610:1714:20
11:28
#25073
24M
24.00 mi15:14:454:07:0410:1810:38
10:38
#25041
40K
24.85 mi15:24:244:16:4310:209:39
11:18
#25037
25.2M
25.20 mi15:28:464:21:0510:224:22
12:40
#25044
FINISH
26.22 mi15:40:124:32:3110:2511:26
11:14
#25130
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi231879269926924308(Top 84%)9818(Top 78%)9818(Top 3596%)
10K6.21 mi3.10 mi23626-4399485-2169485-21624026(Top 83%)9674(Top 77%)9674(Top 3544%)
15K9.32 mi3.11 mi23911-2859612-1279612-12724308(Top 84%)9818(Top 78%)9818(Top 3596%)
20K12.43 mi3.11 mi24256-3459785-1739785-17325127(Top 87%)10256(Top 82%)10256(Top 3757%)
HALF13.11 mi0.68 mi24274-189800-159800-1524565(Top 85%)9984(Top 79%)9984(Top 3657%)
25K15.53 mi2.42 mi24547-2739951-1519951-15125660(Top 88%)10596(Top 84%)10596(Top 3881%)
30K18.64 mi3.11 mi24850-30310141-19010141-19025958(Top 89%)10873(Top 86%)10873(Top 3983%)
20M20.00 mi1.36 mi24959-10910220-7910220-7926053(Top 90%)11003(Top 87%)11003(Top 4030%)
21M21.00 mi1.00 mi25071-11210303-8310303-8326170(Top 90%)11098(Top 88%)11098(Top 4065%)
35K21.75 mi0.75 mi25058+1310307-410307-424516(Top 84%)10269(Top 82%)10269(Top 3762%)
23M23.00 mi1.25 mi25073-1510324-1710324-1725358(Top 87%)10754(Top 85%)10754(Top 3939%)
24M24.00 mi1.00 mi25041+3210321+310321+324369(Top 84%)10280(Top 82%)10280(Top 3766%)
40K24.85 mi0.85 mi25037+410336-1510336-1524779(Top 85%)10525(Top 84%)10525(Top 3855%)
25.2M25.20 mi0.35 mi25044-710344-810344-825618(Top 88%)10925(Top 87%)10925(Top 4002%)
FINISH26.22 mi1.02 mi25130-8610397-5310397-5326477(Top 91%)11378(Top 90%)11378(Top 4168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24308

Females

9818

F65-69

9818

5K→10K

3.1 - 6.2 mi

Top 83%
×5
+79ft-138ft

Overall

24026

Females

9674

F65-69

9674

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24308

Females

9818

F65-69

9818

15K→20K

9.3 - 12.4 mi

Top 87%
×5
+106ft-86ft

Overall

25127

Females

10256

F65-69

10256

20K→HALF

12.4 - 13.1 mi

Top 85%
×2
+19ft-37ft

Overall

24565

Females

9984

F65-69

9984

HALF→25K

13.1 - 15.5 mi

Top 88%
×4
+66ft-88ft

Overall

25660

Females

10596

F65-69

10596

25K→30K

15.5 - 18.6 mi

Top 89%
×9
+181ft-148ft

Overall

25958

Females

10873

F65-69

10873

30K→20M

18.6 - 20.0 mi

Top 90%
×5
+64ft-50ft

Overall

26053

Females

11003

F65-69

11003

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26170

Females

11098

F65-69

11098

21M→35K

21.0 - 21.8 mi

Top 84%
×7
+17ft-86ft

Overall

24516

Females

10269

F65-69

10269

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25358

Females

10754

F65-69

10754

23M→24M

23.0 - 24.0 mi

Top 84%
×6
+12ft-82ft

Overall

24369

Females

10280

F65-69

10280

24M→40K

24.0 - 24.9 mi

Top 85%
×1
+6ft-20ft

Overall

24779

Females

10525

F65-69

10525

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1
+13ft-16ft

Overall

25618

Females

10925

F65-69

10925

25.2M→FINISH

25.2 - 26.2 mi

Top 91%
×2
+22ft-21ft

Overall

26477

Females

11378

F65-69

11378

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
594
Passed By
2537
Net Change
-1943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23187
5K → 10K75514-439#23187#23626
10K → 15K70355-285#23626#23911
15K → 20K40385-345#23911#24256
20K → HALF1735-18#24256#24274
HALF → 25K48321-273#24274#24547
25K → 30K55358-303#24547#24850
30K → 20M35144-109#24850#24959
20M → 21M22134-112#24959#25071
21M → 35K4835+13#25071#25058
35K → 23M4964-15#25058#25073
23M → 24M5725+32#25073#25041
24M → 40K4238+4#25041#25037
40K → 25.2M1926-7#25037#25044
25.2M → FINISH17103-86#25044#25130
TOTALS5942537-1943
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing