Boston Marathon logo
BOSTON MARATHON 2025

Akiko Prince

Bib: 16323•F

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Masters (Masters Women)
#0 / 6759
Top 13%
Division (F45-49)
#0 / 1813
Top 15%
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
7:52/mi
24:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:13:17
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:37:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:43:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:02:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:27:13
↑ 181↓ 1480.2%
20M
8:03/mi
2:38:09
↑ 64↓ 500.2%
21M
8:33/mi
2:46:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:52:24
↑ 17↓ 861.7%
23M
7:56/mi
3:02:20
↑ 23↓ 630.6%
24M
7:41/mi
3:10:01
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:16:33
↓ 200.3%
25.2M
8:13/mi
3:19:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:26:52
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:07
Pace7:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4324:257:5224:25
7:52
-
10K
6.21 mi11:23:0748:497:5124:24
7:51
-0:01
15K
9.32 mi11:47:351:13:177:5224:28
7:53
+0:02
20K
12.43 mi12:12:071:37:497:5224:32
7:54
+0:01
Half
13.11 mi12:17:251:43:077:525:18
7:46
-0:08
25K
15.53 mi12:36:322:02:147:5219:07
7:53
+0:07
30K
18.64 mi13:01:312:27:137:5424:59
8:02
+0:09
20M
20.00 mi13:12:272:38:097:5410:56
8:03
+0:01
21M
21.00 mi13:21:002:46:427:568:33
8:33
+0:30
35K
21.75 mi13:26:422:52:247:565:42
7:37
-0:56
23M
23.00 mi13:36:383:02:207:569:56
7:56
+0:19
24M
24.00 mi13:44:193:10:017:557:41
7:41
-0:15
40K
24.85 mi13:50:513:16:337:546:32
7:38
-0:03
25.2M
25.20 mi13:53:413:19:237:552:50
8:13
+0:35
Finish
26.22 mi14:01:103:26:527:547:29
7:21
-0:52

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

7:21 /mi

Average Pace

7:54 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:29

94% of race

Time at Steady Pace

11:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:58:4324:257:5224:25
7:52
#15325
10K
6.21 mi11:23:0748:497:5124:24
7:51
#15301
15K
9.32 mi11:47:351:13:177:5224:28
7:53
#15187
20K
12.43 mi12:12:071:37:497:5224:32
7:54
#14842
Half
13.11 mi12:17:251:43:077:525:18
7:46
#14792
25K
15.53 mi12:36:322:02:147:5219:07
7:53
#14453
30K
18.64 mi13:01:312:27:137:5424:59
8:02
#13858
20M
20.00 mi13:12:272:38:097:5410:56
8:03
#13588
21M
21.00 mi13:21:002:46:427:568:33
8:33
#13376
35K
21.75 mi13:26:422:52:247:565:42
7:37
#13223
23M
23.00 mi13:36:383:02:207:569:56
7:56
#12982
24M
24.00 mi13:44:193:10:017:557:41
7:41
#12781
40K
24.85 mi13:50:513:16:337:546:32
7:38
#12551
25.2M
25.20 mi13:53:413:19:237:552:50
8:13
#12439
Finish
26.22 mi14:01:103:26:527:547:29
7:21
#12237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153254728472815045(Top 53%)4597(Top 38%)4597(Top 254%)
10K6.21 mi3.10 mi15301+244721+74721+715290(Top 54%)4710(Top 39%)4710(Top 260%)
15K9.32 mi3.11 mi15187+1144671+504671+5015045(Top 53%)4597(Top 38%)4597(Top 254%)
20K12.43 mi3.11 mi14842+3454496+1754496+17514063(Top 50%)4123(Top 34%)4123(Top 227%)
Half13.11 mi0.68 mi14792+504468+284468+2814013(Top 49%)4046(Top 33%)4046(Top 223%)
25K15.53 mi2.42 mi14453+3394306+1624306+16212996(Top 46%)3668(Top 30%)3668(Top 202%)
30K18.64 mi3.11 mi13858+5954027+2794027+27911693(Top 41%)3141(Top 26%)3141(Top 173%)
20M20.00 mi1.36 mi13588+2703900+1273900+12710779(Top 38%)2826(Top 23%)2826(Top 156%)
21M21.00 mi1.00 mi13376+2123819+813819+8110830(Top 38%)3017(Top 25%)3017(Top 166%)
35K21.75 mi0.75 mi13223+1533752+673752+679548(Top 34%)2403(Top 20%)2403(Top 133%)
23M23.00 mi1.25 mi12982+2413654+983654+989576(Top 34%)2542(Top 21%)2542(Top 140%)
24M24.00 mi1.00 mi12781+2013574+803574+809054(Top 32%)2362(Top 19%)2362(Top 130%)
40K24.85 mi0.85 mi12551+2303479+953479+957767(Top 27%)1893(Top 15%)1893(Top 104%)
25.2M25.20 mi0.35 mi12439+1123440+393440+397283(Top 26%)1799(Top 15%)1799(Top 99%)
Finish26.22 mi1.02 mi12237+2023375+653375+658122(Top 29%)2130(Top 17%)2130(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15045

Females

4597

F45-49

4597

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15290

Females

4710

F45-49

4710

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15045

Females

4597

F45-49

4597

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14063

Females

4123

F45-49

4123

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14013

Females

4046

F45-49

4046

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12996

Females

3668

F45-49

3668

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11693

Females

3141

F45-49

3141

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10779

Females

2826

F45-49

2826

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10830

Females

3017

F45-49

3017

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9548

Females

2403

F45-49

2403

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9576

Females

2542

F45-49

2542

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9054

Females

2362

F45-49

2362

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7767

Females

1893

F45-49

1893

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7283

Females

1799

F45-49

1799

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8122

Females

2130

F45-49

2130

Passing Analysis

Category:
Athletes Passed
3690
Passed By
602
Net Change
+3088
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15325
5K → 10K305281+24#15325#15301
10K → 15K267153+114#15301#15187
15K → 20K39146+345#15187#14842
20K → Half6313+50#14842#14792
Half → 25K36425+339#14792#14453
25K → 30K61621+595#14453#13858
30K → 20M28010+270#13858#13588
20M → 21M22513+212#13588#13376
21M → 35K1563+153#13376#13223
35K → 23M25110+241#13223#12982
23M → 24M21413+201#12982#12781
24M → 40K2322+230#12781#12551
40K → 25.2M1164+112#12551#12439
25.2M → Finish2108+202#12439#12237
TOTALS3690602+3088
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing