Boston Marathon logo
BOSTON MARATHON 2025

Ronaldo Monteiro

Bib: 31624•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
8:16/mi
25:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:13:41
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:37:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:43:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:02:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:29:12
↑ 181↓ 1480.2%
20M
8:47/mi
2:41:08
↑ 64↓ 500.2%
21M
9:39/mi
2:50:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:57:12
↑ 17↓ 861.7%
23M
11:03/mi
3:11:02
↑ 23↓ 630.6%
24M
11:43/mi
3:22:45
↓ 821.3%
40K· 24.85 mi
13:07/mi
3:33:58
↓ 200.3%
25.2M
14:04/mi
3:38:49
↑ 13↓ 160.2%
Finish· 26.22 mi
10:54/mi
3:49:55
↑ 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
Time1:43:10
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:06:45
Pace9:40 /mi
📊Positive Split: 22.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5425:428:1625:42
8:16
-
10K
6.21 mi12:13:1149:598:0324:17
7:49
-0:27
15K
9.32 mi12:36:531:13:417:5423:42
7:38
-0:11
20K
12.43 mi13:01:041:37:527:5324:11
7:47
+0:09
Half
13.11 mi13:06:221:43:107:525:18
7:46
-0:01
25K
15.53 mi13:25:582:02:467:5419:36
8:05
+0:19
30K
18.64 mi13:52:242:29:128:0026:26
8:30
+0:25
20M
20.00 mi14:04:202:41:088:0311:56
8:47
+0:17
21M
21.00 mi14:13:592:50:478:089:39
9:39
+0:52
35K
21.75 mi14:20:242:57:128:096:25
8:35
-1:04
23M
23.00 mi14:34:143:11:028:1813:50
11:03
+2:28
24M
24.00 mi14:45:573:22:458:2711:43
11:43
+0:40
40K
24.85 mi14:57:103:33:588:3711:13
13:07
+1:24
25.2M
25.20 mi15:02:013:38:498:414:51
14:04
+0:57
Finish
26.22 mi15:13:073:49:558:4711:06
10:54
-3:10

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

7:38 /mi

Average Pace

8:47 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:47:33

73% of race

Time at Slower Pace

1:02:22

27% of race

Average Pace: 8:46 /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 mi11:48:5425:428:1625:42
8:16
#18538
10K
6.21 mi12:13:1149:598:0324:17
7:49
#16866
15K
9.32 mi12:36:531:13:417:5423:42
7:38
#15535
20K
12.43 mi13:01:041:37:527:5324:11
7:47
#14878
Half
13.11 mi13:06:221:43:107:525:18
7:46
#14827
25K
15.53 mi13:25:582:02:467:5419:36
8:05
#14744
30K
18.64 mi13:52:242:29:128:0026:26
8:30
#14767
20M
20.00 mi14:04:202:41:088:0311:56
8:47
#14795
21M
21.00 mi14:13:592:50:478:089:39
9:39
#14898
35K
21.75 mi14:20:242:57:128:096:25
8:35
#14926
23M
23.00 mi14:34:143:11:028:1813:50
11:03
#15726
24M
24.00 mi14:45:573:22:458:2711:43
11:43
#16534
40K
24.85 mi14:57:103:33:588:3711:13
13:07
#17460
25.2M
25.20 mi15:02:013:38:498:414:51
14:04
#17772
Finish
26.22 mi15:13:073:49:558:4711:06
10:54
#18304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18538118331183312857(Top 45%)9462(Top 59%)9462(Top 168%)
10K6.21 mi3.10 mi16866+167211169+66411169+66414962(Top 53%)10411(Top 65%)10411(Top 185%)
15K9.32 mi3.11 mi15535+133110623+54610623+54612857(Top 45%)9462(Top 59%)9462(Top 168%)
20K12.43 mi3.11 mi14878+65710315+30810315+30813135(Top 46%)9489(Top 59%)9489(Top 168%)
Half13.11 mi0.68 mi14827+5110292+2310292+2313978(Top 49%)9922(Top 62%)9922(Top 176%)
25K15.53 mi2.42 mi14744+8310230+6210230+6214525(Top 51%)9993(Top 62%)9993(Top 177%)
30K18.64 mi3.11 mi14767-2310184+4610184+4614807(Top 52%)9970(Top 62%)9970(Top 177%)
20M20.00 mi1.36 mi14795-2810176+810176+815555(Top 55%)10191(Top 63%)10191(Top 181%)
21M21.00 mi1.00 mi14898-10310191-1510191-1516772(Top 59%)10596(Top 66%)10596(Top 188%)
35K21.75 mi0.75 mi14926-2810189+210189+215934(Top 56%)10161(Top 63%)10161(Top 180%)
23M23.00 mi1.25 mi15726-80010477-28810477-28823335(Top 82%)13493(Top 84%)13493(Top 239%)
24M24.00 mi1.00 mi16534-80810809-33210809-33225264(Top 89%)14438(Top 90%)14438(Top 256%)
40K24.85 mi0.85 mi17460-92611158-34911158-34926404(Top 93%)14998(Top 93%)14998(Top 266%)
25.2M25.20 mi0.35 mi17772-31211291-13311291-13326344(Top 93%)14914(Top 93%)14914(Top 264%)
Finish26.22 mi1.02 mi18304-53211507-21611507-21625148(Top 89%)14360(Top 89%)14360(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12857

Males

9462

M18-39

9462

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14962

Males

10411

M18-39

10411

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12857

Males

9462

M18-39

9462

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13135

Males

9489

M18-39

9489

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13978

Males

9922

M18-39

9922

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14525

Males

9993

M18-39

9993

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14807

Males

9970

M18-39

9970

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15555

Males

10191

M18-39

10191

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16772

Males

10596

M18-39

10596

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15934

Males

10161

M18-39

10161

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23335

Males

13493

M18-39

13493

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25264

Males

14438

M18-39

14438

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26404

Males

14998

M18-39

14998

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26344

Males

14914

M18-39

14914

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25148

Males

14360

M18-39

14360

Passing Analysis

Category:
Athletes Passed
4487
Passed By
4253
Net Change
+234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18538
5K → 10K168412+1672#18538#16866
10K → 15K13321+1331#16866#15535
15K → 20K6636+657#15535#14878
20K → Half6413+51#14878#14827
Half → 25K214131+83#14827#14744
25K → 30K241264-23#14744#14767
30K → 20M121149-28#14767#14795
20M → 21M80183-103#14795#14898
21M → 35K5078-28#14898#14926
35K → 23M19819-800#14926#15726
23M → 24M6814-808#15726#16534
24M → 40K6932-926#16534#17460
40K → 25.2M1313-312#17460#17772
25.2M → Finish6538-532#17772#18304
TOTALS44874253+234
📊

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