Boston Marathon logo
BOSTON MARATHON 2025

Suwicha Uasomsaksakul

Bib: 29907•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:56
Rank: #26255
Start → 5K
31:56 | 10:17/mi
10K· 6.21 mi
1:04:26
Rank: #26227 (+28)
5K → 10K
32:30 | 10:28/mi
15K· 9.32 mi
1:36:44
Rank: #26049 (+178)
10K → 15K
32:18 | 10:24/mi
20K· 12.43 mi
2:08:57
Rank: #25747 (+302)
15K → 20K
32:13 | 10:22/mi
Half· 13.11 mi
2:15:54
Rank: #25715 (+32)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:41:03
Rank: #25450 (+265)
Half → 25K
25:09 | 10:22/mi
30K· 18.64 mi
3:17:45
Rank: #25423 (+27)
25K → 30K
36:42 | 11:49/mi
20M
3:32:36
Rank: #25297 (+126)
30K → 20M
14:51 | 10:56/mi
21M
3:44:43
Rank: #25236 (+61)
20M → 21M
12:07 | 12:07/mi
35K· 21.75 mi
3:52:52
Rank: #25200 (+36)
21M → 35K
8:09 | 10:54/mi
23M
4:06:41
Rank: #25110 (+90)
35K → 23M
13:49 | 11:02/mi
24M
4:16:58
Rank: #25026 (+84)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
4:26:20
Rank: #24953 (+73)
24M → 40K
9:22 | 10:57/mi
25.2M
4:30:35
Rank: #24942 (+11)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:41:01
Rank: #24919 (+23)
25.2M → Finish
10:26 | 10:14/mi

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
Time2:15:54
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time2:25:07
Pace11:04 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3931:5610:1731:56
10:17
-
10K
6.21 mi12:25:091:04:2610:2232:30
10:28
+0:11
15K
9.32 mi12:57:271:36:4410:2332:18
10:24
-0:04
20K
12.43 mi13:29:402:08:5710:2332:13
10:22
-0:02
Half
13.11 mi13:36:372:15:5410:226:57
10:11
-0:11
25K
15.53 mi14:01:462:41:0310:2225:09
10:22
+0:11
30K
18.64 mi14:38:283:17:4510:3636:42
11:49
+1:27
20M
20.00 mi14:53:193:32:3610:3814:51
10:56
-0:53
21M
21.00 mi15:05:263:44:4310:4212:07
12:07
+1:11
35K
21.75 mi15:13:353:52:5210:428:09
10:54
-1:13
23M
23.00 mi15:27:244:06:4110:4413:49
11:02
+0:08
24M
24.00 mi15:37:414:16:5810:4210:17
10:17
-0:45
40K
24.85 mi15:47:034:26:2010:439:22
10:57
+0:40
25.2M
25.20 mi15:51:184:30:3510:444:15
12:19
+1:22
Finish
26.22 mi16:01:444:41:0110:4410:26
10:14
-2:05

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

10:11 /mi

Average Pace

10:44 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:01:46

65% of race

Time at Slower Pace

1:39:15

35% of race

Average Pace: 10:43 /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 mi11:52:3931:5610:1731:56
10:17
#26255
10K
6.21 mi12:25:091:04:2610:2232:30
10:28
#26227
15K
9.32 mi12:57:271:36:4410:2332:18
10:24
#26049
20K
12.43 mi13:29:402:08:5710:2332:13
10:22
#25747
Half
13.11 mi13:36:372:15:5410:226:57
10:11
#25715
25K
15.53 mi14:01:462:41:0310:2225:09
10:22
#25450
30K
18.64 mi14:38:283:17:4510:3636:42
11:49
#25423
20M
20.00 mi14:53:193:32:3610:3814:51
10:56
#25297
21M
21.00 mi15:05:263:44:4310:4212:07
12:07
#25236
35K
21.75 mi15:13:353:52:5210:428:09
10:54
#25200
23M
23.00 mi15:27:244:06:4110:4413:49
11:02
#25110
24M
24.00 mi15:37:414:16:5810:4210:17
10:17
#25026
40K
24.85 mi15:47:034:26:2010:439:22
10:57
#24953
25.2M
25.20 mi15:51:184:30:3510:444:15
12:19
#24942
Finish
26.22 mi16:01:444:41:0110:4410:26
10:14
#24919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi26255152901529025761(Top 91%)15040(Top 93%)15040(Top 630%)
10K6.21 mi3.10 mi26227+2815264+2615264+2626195(Top 92%)15227(Top 95%)15227(Top 638%)
15K9.32 mi3.11 mi26049+17815179+8515179+8525761(Top 91%)15040(Top 93%)15040(Top 630%)
20K12.43 mi3.11 mi25747+30215041+13815041+13824959(Top 88%)14662(Top 91%)14662(Top 615%)
Half13.11 mi0.68 mi25715+3215028+1315028+1325225(Top 89%)14768(Top 92%)14768(Top 619%)
25K15.53 mi2.42 mi25450+26514891+13714891+13724118(Top 85%)14250(Top 88%)14250(Top 597%)
30K18.64 mi3.11 mi25423+2714845+4614845+4625337(Top 89%)14697(Top 91%)14697(Top 616%)
20M20.00 mi1.36 mi25297+12614766+7914766+7923452(Top 83%)13741(Top 85%)13741(Top 576%)
21M21.00 mi1.00 mi25236+6114728+3814728+3823797(Top 84%)13821(Top 86%)13821(Top 579%)
35K21.75 mi0.75 mi25200+3614709+1914709+1923991(Top 84%)13881(Top 86%)13881(Top 582%)
23M23.00 mi1.25 mi25110+9014654+5514654+5523312(Top 82%)13488(Top 84%)13488(Top 565%)
24M24.00 mi1.00 mi25026+8414607+4714607+4722193(Top 78%)12909(Top 80%)12909(Top 541%)
40K24.85 mi0.85 mi24953+7314559+4814559+4823043(Top 81%)13261(Top 82%)13261(Top 556%)
25.2M25.20 mi0.35 mi24942+1114554+514554+523863(Top 84%)13708(Top 85%)13708(Top 575%)
Finish26.22 mi1.02 mi24919+2314534+2014534+2023629(Top 83%)13581(Top 84%)13581(Top 569%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25761

Males

15040

M45-49

15040

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26195

Males

15227

M45-49

15227

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25761

Males

15040

M45-49

15040

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24959

Males

14662

M45-49

14662

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25225

Males

14768

M45-49

14768

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24118

Males

14250

M45-49

14250

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25337

Males

14697

M45-49

14697

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23452

Males

13741

M45-49

13741

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23797

Males

13821

M45-49

13821

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23991

Males

13881

M45-49

13881

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23312

Males

13488

M45-49

13488

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22193

Males

12909

M45-49

12909

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23043

Males

13261

M45-49

13261

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23863

Males

13708

M45-49

13708

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23629

Males

13581

M45-49

13581

Passing Analysis

Category:
Athletes Passed
1734
Passed By
398
Net Change
+1336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26255
5K → 10K180152+28#26255#26227
10K → 15K22345+178#26227#26049
15K → 20K3097+302#26049#25747
20K → Half353+32#25747#25715
Half → 25K27510+265#25715#25450
25K → 30K132105+27#25450#25423
30K → 20M13812+126#25423#25297
20M → 21M7615+61#25297#25236
21M → 35K437+36#25236#25200
35K → 23M966+90#25200#25110
23M → 24M873+84#25110#25026
24M → 40K818+73#25026#24953
40K → 25.2M187+11#24953#24942
25.2M → Finish4118+23#24942#24919
TOTALS1734398+1336
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing