Boston Marathon logo
BOSTON MARATHON 2025

Julian Cordero Salgado

Bib: 12039•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 49%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
8:12/mi
25:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:48
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:46:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:06:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:31:38
↑ 181↓ 1480.2%
20M
8:17/mi
2:42:53
↑ 64↓ 500.2%
21M
8:30/mi
2:51:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:57:17
↑ 17↓ 861.7%
23M
8:14/mi
3:07:35
↑ 23↓ 630.6%
24M
7:55/mi
3:15:30
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:22:24
↓ 200.3%
25.2M
8:30/mi
3:25:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:32:53
↑ 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
Time1:46:31
Pace8:08 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5625:308:1225:30
8:12
-
10K
6.21 mi11:44:0450:388:0925:08
8:05
-0:07
15K
9.32 mi12:09:141:15:488:0825:10
8:06
+0:01
20K
12.43 mi12:34:401:41:148:0925:26
8:11
+0:05
Half
13.11 mi12:39:571:46:318:085:17
7:45
-0:26
25K
15.53 mi12:59:372:06:118:0719:40
8:07
+0:22
30K
18.64 mi13:25:042:31:388:0825:27
8:11
+0:04
20M
20.00 mi13:36:192:42:538:0911:15
8:17
+0:06
21M
21.00 mi13:44:492:51:238:108:30
8:30
+0:13
35K
21.75 mi13:50:432:57:178:095:54
7:53
-0:37
23M
23.00 mi14:01:013:07:358:0910:18
8:14
+0:21
24M
24.00 mi14:08:563:15:308:097:55
7:55
-0:19
40K
24.85 mi14:15:503:22:248:096:54
8:04
+0:09
25.2M
25.20 mi14:18:463:25:208:092:56
8:30
+0:26
Finish
26.22 mi14:26:193:32:538:087:33
7:25
-1:05

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

7:25 /mi

Average Pace

8:08 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:31

49% of race

Time at Steady Pace

1:49:22

51% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:18:5625:308:1225:30
8:12
#18138
10K
6.21 mi11:44:0450:388:0925:08
8:05
#17623
15K
9.32 mi12:09:141:15:488:0825:10
8:06
#17310
20K
12.43 mi12:34:401:41:148:0925:26
8:11
#17003
Half
13.11 mi12:39:571:46:318:085:17
7:45
#16850
25K
15.53 mi12:59:372:06:118:0719:40
8:07
#16471
30K
18.64 mi13:25:042:31:388:0825:27
8:11
#15776
20M
20.00 mi13:36:192:42:538:0911:15
8:17
#15448
21M
21.00 mi13:44:492:51:238:108:30
8:30
#15105
35K
21.75 mi13:50:432:57:178:095:54
7:53
#14961
23M
23.00 mi14:01:013:07:358:0910:18
8:14
#14705
24M
24.00 mi14:08:563:15:308:097:55
7:55
#14517
40K
24.85 mi14:15:503:22:248:096:54
8:04
#14344
25.2M
25.20 mi14:18:463:25:208:092:56
8:30
#14245
Finish
26.22 mi14:26:193:32:538:087:33
7:25
#13993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18138116521165216722(Top 59%)11097(Top 69%)11097(Top 465%)
10K6.21 mi3.10 mi17623+51511460+19211460+19217103(Top 60%)11285(Top 70%)11285(Top 473%)
15K9.32 mi3.11 mi17310+31311359+10111359+10116722(Top 59%)11097(Top 69%)11097(Top 465%)
20K12.43 mi3.11 mi17003+30711211+14811211+14816202(Top 57%)10820(Top 67%)10820(Top 453%)
Half13.11 mi0.68 mi16850+15311157+5411157+5413736(Top 48%)9785(Top 61%)9785(Top 410%)
25K15.53 mi2.42 mi16471+37910977+18010977+18014711(Top 52%)10073(Top 63%)10073(Top 422%)
30K18.64 mi3.11 mi15776+69510634+34310634+34312766(Top 45%)9037(Top 56%)9037(Top 379%)
20M20.00 mi1.36 mi15448+32810455+17910455+17912346(Top 43%)8701(Top 54%)8701(Top 365%)
21M21.00 mi1.00 mi15105+34310276+17910276+17910472(Top 37%)7610(Top 47%)7610(Top 319%)
35K21.75 mi0.75 mi14961+14410206+7010206+7011457(Top 40%)8091(Top 50%)8091(Top 339%)
23M23.00 mi1.25 mi14705+25610060+14610060+14611532(Top 41%)8016(Top 50%)8016(Top 336%)
24M24.00 mi1.00 mi14517+1889951+1099951+10910667(Top 38%)7523(Top 47%)7523(Top 315%)
40K24.85 mi0.85 mi14344+1739837+1149837+11410670(Top 38%)7398(Top 46%)7398(Top 310%)
25.2M25.20 mi0.35 mi14245+999785+529785+528820(Top 31%)6379(Top 40%)6379(Top 267%)
Finish26.22 mi1.02 mi13993+2529638+1479638+1478550(Top 30%)6222(Top 39%)6222(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16722

Males

11097

M45-49

11097

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17103

Males

11285

M45-49

11285

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16722

Males

11097

M45-49

11097

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16202

Males

10820

M45-49

10820

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13736

Males

9785

M45-49

9785

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14711

Males

10073

M45-49

10073

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12766

Males

9037

M45-49

9037

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12346

Males

8701

M45-49

8701

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10472

Males

7610

M45-49

7610

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11457

Males

8091

M45-49

8091

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11532

Males

8016

M45-49

8016

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10667

Males

7523

M45-49

7523

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10670

Males

7398

M45-49

7398

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8820

Males

6379

M45-49

6379

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8550

Males

6222

M45-49

6222

Passing Analysis

Category:
Athletes Passed
4428
Passed By
283
Net Change
+4145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18138
5K → 10K61095+515#18138#17623
10K → 15K38471+313#17623#17310
15K → 20K36255+307#17310#17003
20K → Half1541+153#17003#16850
Half → 25K39112+379#16850#16471
25K → 30K7038+695#16471#15776
30K → 20M3302+328#15776#15448
20M → 21M3463+343#15448#15105
21M → 35K1495+144#15105#14961
35K → 23M26913+256#14961#14705
23M → 24M1968+188#14705#14517
24M → 40K1807+173#14517#14344
40K → 25.2M1012+99#14344#14245
25.2M → Finish2531+252#14245#13993
TOTALS4428283+4145
📊

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