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BOSTON MARATHON 2025

Akiko Kagami

Bib: 19842•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 25%
Race Day Weather
50°/40°F
broken 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
8:23/mi
26:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
50:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:18
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:43:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:49:23
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:11:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:42:09
↑ 181↓ 1480.2%
20M
10:12/mi
2:56:01
↑ 64↓ 500.2%
21M
10:50/mi
3:06:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:47/mi
3:14:10
↑ 17↓ 861.7%
23M
10:13/mi
3:26:58
↑ 23↓ 630.6%
24M
9:58/mi
3:36:56
↓ 821.3%
40K· 24.85 mi
10:21/mi
3:45:47
↓ 200.3%
25.2M
10:52/mi
3:49:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
3:59:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:23
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:10:10
Pace9:56 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0526:028:2326:02
8:23
-
10K
6.21 mi12:07:4350:408:0924:38
7:56
-0:27
15K
9.32 mi12:33:211:16:188:1125:38
8:15
+0:19
20K
12.43 mi13:00:241:43:218:1927:03
8:42
+0:27
Half
13.11 mi13:06:261:49:238:216:02
8:51
+0:09
25K
15.53 mi13:28:382:11:358:2822:12
9:09
+0:18
30K
18.64 mi13:59:122:42:098:4230:34
9:50
+0:41
20M
20.00 mi14:13:042:56:018:4813:52
10:12
+0:22
21M
21.00 mi14:23:543:06:518:5410:50
10:50
+0:38
35K
21.75 mi14:31:133:14:108:567:19
9:47
-1:03
23M
23.00 mi14:44:013:26:589:0012:48
10:13
+0:26
24M
24.00 mi14:53:593:36:569:029:58
9:58
-0:15
40K
24.85 mi15:02:503:45:479:058:51
10:21
+0:23
25.2M
25.20 mi15:06:353:49:329:073:45
10:52
+0:31
Finish
26.22 mi15:16:363:59:339:0910:01
9:50
-1:02

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

7:56 /mi

Average Pace

9:09 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:35

55% of race

Time at Steady Pace

1:24:32

35% of race

Time at Slower Pace

23:26

10% of race

Average Pace: 9:08 /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 mi11:43:0526:028:2326:02
8:23
#19193
10K
6.21 mi12:07:4350:408:0924:38
7:56
#17663
15K
9.32 mi12:33:211:16:188:1125:38
8:15
#17680
20K
12.43 mi13:00:241:43:218:1927:03
8:42
#18105
Half
13.11 mi13:06:261:49:238:216:02
8:51
#18265
25K
15.53 mi13:28:382:11:358:2822:12
9:09
#18738
30K
18.64 mi13:59:122:42:098:4230:34
9:50
#19321
20M
20.00 mi14:13:042:56:018:4813:52
10:12
#19569
21M
21.00 mi14:23:543:06:518:5410:50
10:50
#19701
35K
21.75 mi14:31:133:14:108:567:19
9:47
#19767
23M
23.00 mi14:44:013:26:589:0012:48
10:13
#19908
24M
24.00 mi14:53:593:36:569:029:58
9:58
#19991
40K
24.85 mi15:02:503:45:479:058:51
10:21
#20090
25.2M
25.20 mi15:06:353:49:329:073:45
10:52
#20111
Finish
26.22 mi15:16:363:59:339:0910:01
9:50
#20266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi191937019701917760(Top 63%)6178(Top 51%)6178(Top 990%)
10K6.21 mi3.10 mi17663+15306131+8886131+88815918(Top 56%)5081(Top 42%)5081(Top 814%)
15K9.32 mi3.11 mi17680-176133-26133-217760(Top 63%)6178(Top 51%)6178(Top 990%)
20K12.43 mi3.11 mi18105-4256401-2686401-26819448(Top 68%)7173(Top 59%)7173(Top 1150%)
Half13.11 mi0.68 mi18265-1606496-956496-9521129(Top 74%)8100(Top 66%)8100(Top 1298%)
25K15.53 mi2.42 mi18738-4736765-2696765-26920592(Top 72%)7866(Top 64%)7866(Top 1261%)
30K18.64 mi3.11 mi19321-5837144-3797144-37921122(Top 74%)8293(Top 68%)8293(Top 1329%)
20M20.00 mi1.36 mi19569-2487301-1577301-15721590(Top 76%)8676(Top 71%)8676(Top 1390%)
21M21.00 mi1.00 mi19701-1327405-1047405-10420936(Top 74%)8418(Top 69%)8418(Top 1349%)
35K21.75 mi0.75 mi19767-667458-537458-5321276(Top 75%)8650(Top 71%)8650(Top 1386%)
23M23.00 mi1.25 mi19908-1417569-1117569-11121201(Top 75%)8654(Top 71%)8654(Top 1387%)
24M24.00 mi1.00 mi19991-837635-667635-6621276(Top 75%)8734(Top 71%)8734(Top 1400%)
40K24.85 mi0.85 mi20090-997708-737708-7321540(Top 76%)8950(Top 73%)8950(Top 1434%)
25.2M25.20 mi0.35 mi20111-217731-237731-2320277(Top 71%)8297(Top 68%)8297(Top 1330%)
Finish26.22 mi1.02 mi20266-1557818-877818-8722389(Top 79%)9364(Top 77%)9364(Top 1501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17760

Females

6178

F60-64

6178

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15918

Females

5081

F60-64

5081

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17760

Females

6178

F60-64

6178

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19448

Females

7173

F60-64

7173

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21129

Females

8100

F60-64

8100

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20592

Females

7866

F60-64

7866

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21122

Females

8293

F60-64

8293

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21590

Females

8676

F60-64

8676

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20936

Females

8418

F60-64

8418

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21276

Females

8650

F60-64

8650

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21201

Females

8654

F60-64

8654

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21276

Females

8734

F60-64

8734

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21540

Females

8950

F60-64

8950

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20277

Females

8297

F60-64

8297

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22389

Females

9364

F60-64

9364

Passing Analysis

Category:
Athletes Passed
2270
Passed By
3343
Net Change
-1073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19193
5K → 10K154111+1530#19193#17663
10K → 15K184201-17#17663#17680
15K → 20K80505-425#17680#18105
20K → Half11171-160#18105#18265
Half → 25K62535-473#18265#18738
25K → 30K88671-583#18738#19321
30K → 20M46294-248#19321#19569
20M → 21M58190-132#19569#19701
21M → 35K2490-66#19701#19767
35K → 23M57198-141#19767#19908
23M → 24M40123-83#19908#19991
24M → 40K32131-99#19991#20090
40K → 25.2M2445-21#20090#20111
25.2M → Finish23178-155#20111#20266
TOTALS22703343-1073
📊

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