Boston Marathon logo
BOSTON MARATHON 2025

Andy Saito

Bib: 11785•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M45-49)
#0 / 2386
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
7:57/mi
24:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:12:18
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:35:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:41:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:59:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:25:22
↑ 181↓ 1480.2%
20M
7:53/mi
2:36:05
↑ 64↓ 500.2%
21M
8:33/mi
2:44:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:50:29
↑ 17↓ 861.7%
23M
7:54/mi
3:00:23
↑ 23↓ 630.6%
24M
7:22/mi
3:07:45
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:14:02
↓ 200.3%
25.2M
8:13/mi
3:16:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:24:05
↑ 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 HalfFaster
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5724:417:5724:41
7:57
-
10K
6.21 mi11:21:5548:397:5023:58
7:43
-0:14
15K
9.32 mi11:45:341:12:187:4523:39
7:37
-0:06
20K
12.43 mi12:09:101:35:547:4323:36
7:36
-0:01
Half
13.11 mi12:14:171:41:017:425:07
7:30
-0:06
25K
15.53 mi12:32:321:59:167:4118:15
7:32
+0:02
30K
18.64 mi12:58:382:25:227:4826:06
8:24
+0:52
20M
20.00 mi13:09:212:36:057:4810:43
7:53
-0:31
21M
21.00 mi13:17:542:44:387:508:33
8:33
+0:40
35K
21.75 mi13:23:452:50:297:505:51
7:49
-0:44
23M
23.00 mi13:33:393:00:237:519:54
7:54
+0:05
24M
24.00 mi13:41:013:07:457:497:22
7:22
-0:32
40K
24.85 mi13:47:183:14:027:486:17
7:21
-0:01
25.2M
25.20 mi13:50:083:16:527:492:50
8:13
+0:52
Finish
26.22 mi13:57:213:24:057:477:13
7:05
-1:08

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

7:05 /mi

Average Pace

7:47 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:59

13% of race

Time at Steady Pace

1:55:56

57% of race

Time at Slower Pace

1:02:10

30% of race

Average Pace: 7:47 /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 mi10:57:5724:417:5724:41
7:57
#16120
10K
6.21 mi11:21:5548:397:5023:58
7:43
#15033
15K
9.32 mi11:45:341:12:187:4523:39
7:37
#14256
20K
12.43 mi12:09:101:35:547:4323:36
7:36
#13511
Half
13.11 mi12:14:171:41:017:425:07
7:30
#13401
25K
15.53 mi12:32:321:59:167:4118:15
7:32
#12817
30K
18.64 mi12:58:382:25:227:4826:06
8:24
#13064
20M
20.00 mi13:09:212:36:057:4810:43
7:53
#12760
21M
21.00 mi13:17:542:44:387:508:33
8:33
#12619
35K
21.75 mi13:23:452:50:297:505:51
7:49
#12528
23M
23.00 mi13:33:393:00:237:519:54
7:54
#12300
24M
24.00 mi13:41:013:07:457:497:22
7:22
#12027
40K
24.85 mi13:47:183:14:027:486:17
7:21
#11745
25.2M
25.20 mi13:50:083:16:527:492:50
8:13
#11650
Finish
26.22 mi13:57:213:24:057:477:13
7:05
#11359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16120108531085312684(Top 45%)9375(Top 58%)9375(Top 393%)
10K6.21 mi3.10 mi15033+108710418+43510418+43514002(Top 49%)9995(Top 62%)9995(Top 419%)
15K9.32 mi3.11 mi14256+77710095+32310095+32312684(Top 45%)9375(Top 58%)9375(Top 393%)
20K12.43 mi3.11 mi13511+7459736+3599736+35911549(Top 41%)8754(Top 54%)8754(Top 367%)
Half13.11 mi0.68 mi13401+1109693+439693+4311636(Top 41%)8846(Top 55%)8846(Top 371%)
25K15.53 mi2.42 mi12817+5849410+2839410+28310189(Top 36%)7984(Top 50%)7984(Top 335%)
30K18.64 mi3.11 mi13064-2479439-299439-2914133(Top 50%)9641(Top 60%)9641(Top 404%)
20M20.00 mi1.36 mi12760+3049276+1639276+1639619(Top 34%)7332(Top 46%)7332(Top 307%)
21M21.00 mi1.00 mi12619+1419190+869190+8610781(Top 38%)7761(Top 48%)7761(Top 325%)
35K21.75 mi0.75 mi12528+919120+709120+7010952(Top 39%)7835(Top 49%)7835(Top 328%)
23M23.00 mi1.25 mi12300+2288972+1488972+1489340(Top 33%)6897(Top 43%)6897(Top 289%)
24M24.00 mi1.00 mi12027+2738809+1638809+1636838(Top 24%)5437(Top 34%)5437(Top 228%)
40K24.85 mi0.85 mi11745+2828647+1628647+1625924(Top 21%)4811(Top 30%)4811(Top 202%)
25.2M25.20 mi0.35 mi11650+958586+618586+617158(Top 25%)5448(Top 34%)5448(Top 228%)
Finish26.22 mi1.02 mi11359+2918401+1858401+1856269(Top 22%)4912(Top 30%)4912(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12684

Males

9375

M45-49

9375

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

14002

Males

9995

M45-49

9995

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12684

Males

9375

M45-49

9375

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11549

Males

8754

M45-49

8754

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11636

Males

8846

M45-49

8846

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10189

Males

7984

M45-49

7984

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14133

Males

9641

M45-49

9641

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9619

Males

7332

M45-49

7332

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10781

Males

7761

M45-49

7761

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10952

Males

7835

M45-49

7835

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9340

Males

6897

M45-49

6897

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6838

Males

5437

M45-49

5437

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5924

Males

4811

M45-49

4811

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7158

Males

5448

M45-49

5448

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6269

Males

4912

M45-49

4912

Passing Analysis

Category:
Athletes Passed
5326
Passed By
565
Net Change
+4761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16120
5K → 10K112639+1087#16120#15033
10K → 15K7869+777#15033#14256
15K → 20K7494+745#14256#13511
20K → Half1122+110#13511#13401
Half → 25K5895+584#13401#12817
25K → 30K169416-247#12817#13064
30K → 20M3084+304#13064#12760
20M → 21M18241+141#12760#12619
21M → 35K11120+91#12619#12528
35K → 23M24012+228#12528#12300
23M → 24M2730+273#12300#12027
24M → 40K2831+282#12027#11745
40K → 25.2M1005+95#11745#11650
25.2M → Finish2987+291#11650#11359
TOTALS5326565+4761
📊

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