Boston Marathon logo
BOSTON MARATHON 2025

Alfonso Hidalgo

Bib: 30790•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
10:29/mi
32:34
↑ 97↓ 3451.5%
10K· 6.21 mi
10:54/mi
1:06:26
↑ 79↓ 1380.4%
15K· 9.32 mi
11:40/mi
1:42:40
↑ 67↓ 78
20K· 12.43 mi
13:05/mi
2:23:20
↑ 106↓ 860.1%
Half· 13.11 mi
12:19/mi
2:31:44
↑ 19↓ 370.5%
25K· 15.53 mi
14:51/mi
3:07:44
↑ 66↓ 880.2%
30K· 18.64 mi
17:17/mi
4:01:26
↑ 181↓ 1480.2%
20M
15:51/mi
4:22:59
↑ 64↓ 500.2%
21M
17:44/mi
4:40:43
↑ 106↓ 241.6%
35K· 21.75 mi
18:07/mi
4:54:16
↑ 17↓ 861.7%
23M
16:37/mi
5:15:04
↑ 23↓ 630.6%
24M
15:31/mi
5:30:35
↓ 821.3%
40K· 24.85 mi
16:41/mi
5:44:51
↓ 200.3%
25.2M
16:09/mi
5:50:25
↑ 13↓ 160.2%
Finish· 26.22 mi
13:05/mi
6:03:45
↑ 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
Time2:31:44
Pace11:34 /mi
2nd Half
Distance13.11 mi
Time3:32:01
Pace16:10 /mi
📊Positive Split: 39.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0332:3410:2932:34
10:29
-
10K
6.21 mi12:27:551:06:2610:4133:52
10:54
+0:25
15K
9.32 mi13:04:091:42:4011:0136:14
11:40
+0:46
20K
12.43 mi13:44:492:23:2011:3240:40
13:05
+1:25
Half
13.11 mi13:53:132:31:4411:348:24
12:19
-0:46
25K
15.53 mi14:29:133:07:4412:0536:00
14:51
+2:32
30K
18.64 mi15:22:554:01:2612:5753:42
17:17
+2:26
20M
20.00 mi15:44:284:22:5913:0921:33
15:51
-1:26
21M
21.00 mi16:02:124:40:4313:2217:44
17:44
+1:53
35K
21.75 mi16:15:454:54:1613:3213:33
18:07
+0:23
23M
23.00 mi16:36:335:15:0413:4220:48
16:37
-1:30
24M
24.00 mi16:52:045:30:3513:4615:31
15:31
-1:06
40K
24.85 mi17:06:205:44:5113:5214:16
16:41
+1:10
25.2M
25.20 mi17:11:545:50:2513:545:34
16:09
-0:32
Finish
26.22 mi17:25:146:03:4513:5313:20
13:05
-3:04

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

10:29 /mi

Average Pace

13:53 /mi

Slowest Pace

18:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:04

45% of race

Time at Steady Pace

1:53:42

31% of race

Time at Slower Pace

1:24:59

23% of race

Average Pace: 13:52 /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 mi11:54:0332:3410:2932:34
10:29
#26710
10K
6.21 mi12:27:551:06:2610:4133:52
10:54
#26838
15K
9.32 mi13:04:091:42:4011:0136:14
11:40
#27093
20K
12.43 mi13:44:492:23:2011:3240:40
13:05
#27412
Half
13.11 mi13:53:132:31:4411:348:24
12:19
#27434
25K
15.53 mi14:29:133:07:4412:0536:00
14:51
#27662
30K
18.64 mi15:22:554:01:2612:5753:42
17:17
#28035
20M
20.00 mi15:44:284:22:5913:0921:33
15:51
#28087
21M
21.00 mi16:02:124:40:4313:2217:44
17:44
#28129
35K
21.75 mi16:15:454:54:1613:3213:33
18:07
#28186
23M
23.00 mi16:36:335:15:0413:4220:48
16:37
#28231
24M
24.00 mi16:52:045:30:3513:4615:31
15:31
#28244
40K
24.85 mi17:06:205:44:5113:5214:16
16:41
#28263
25.2M
25.20 mi17:11:545:50:2513:545:34
16:09
#28263
Finish
26.22 mi17:25:146:03:4513:5313:20
13:05
#28259
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26710154811548127383(Top 96%)15703(Top 98%)15703(Top 278%)
10K6.21 mi3.10 mi26838-12815527-4615527-4626928(Top 95%)15538(Top 96%)15538(Top 275%)
15K9.32 mi3.11 mi27093-25515615-8815615-8827383(Top 96%)15703(Top 98%)15703(Top 278%)
20K12.43 mi3.11 mi27412-31915737-12215737-12227873(Top 98%)15888(Top 99%)15888(Top 282%)
Half13.11 mi0.68 mi27434-2215743-615743-627672(Top 97%)15795(Top 98%)15795(Top 280%)
25K15.53 mi2.42 mi27662-22815819-7615819-7628202(Top 99%)16005(Top 99%)16005(Top 284%)
30K18.64 mi3.11 mi28035-37315958-13915958-13928357(Top 100%)16076(Top 100%)16076(Top 285%)
20M20.00 mi1.36 mi28087-5215975-1715975-1728139(Top 99%)15945(Top 99%)15945(Top 283%)
21M21.00 mi1.00 mi28129-4215983-815983-828258(Top 99%)16020(Top 99%)16020(Top 284%)
35K21.75 mi0.75 mi28186-5716003-2016003-2028351(Top 100%)16069(Top 100%)16069(Top 285%)
23M23.00 mi1.25 mi28231-4516016-1316016-1328239(Top 99%)15995(Top 99%)15995(Top 283%)
24M24.00 mi1.00 mi28244-1316019-316019-328153(Top 99%)15925(Top 99%)15925(Top 282%)
40K24.85 mi0.85 mi28263-1916025-616025-628214(Top 99%)15971(Top 99%)15971(Top 283%)
25.2M25.20 mi0.35 mi2826316027-216027-227790(Top 98%)15706(Top 98%)15706(Top 278%)
Finish26.22 mi1.02 mi28259+416026+116026+127668(Top 97%)15659(Top 97%)15659(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27383

Males

15703

M18-39

15703

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26928

Males

15538

M18-39

15538

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27383

Males

15703

M18-39

15703

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27873

Males

15888

M18-39

15888

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27672

Males

15795

M18-39

15795

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28202

Males

16005

M18-39

16005

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

28357

Males

16076

M18-39

16076

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28139

Males

15945

M18-39

15945

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28258

Males

16020

M18-39

16020

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28351

Males

16069

M18-39

16069

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28239

Males

15995

M18-39

15995

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28153

Males

15925

M18-39

15925

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28214

Males

15971

M18-39

15971

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27790

Males

15706

M18-39

15706

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27668

Males

15659

M18-39

15659

Passing Analysis

Category:
Athletes Passed
249
Passed By
1798
Net Change
-1549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26710
5K → 10K121249-128#26710#26838
10K → 15K44299-255#26838#27093
15K → 20K20339-319#27093#27412
20K → Half1638-22#27412#27434
Half → 25K12240-228#27434#27662
25K → 30K6379-373#27662#28035
30K → 20M456-52#28035#28087
20M → 21M547-42#28087#28129
21M → 35K057-57#28129#28186
35K → 23M247-45#28186#28231
23M → 24M114-13#28231#28244
24M → 40K322-19#28244#28263
40K → 25.2M550#28263#28263
25.2M → Finish106+4#28263#28259
TOTALS2491798-1549
📊

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