Boston Marathon logo
BOSTON MARATHON 2025

Jonathan Felix Romero

Bib: 3175•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:09
Rank: #1674
Start → 5K
19:09 | 6:10/mi
10K· 6.21 mi
38:11
Rank: #1611 (+63)
5K → 10K
19:02 | 6:08/mi
15K· 9.32 mi
57:34
Rank: #1749 (-138)
10K → 15K
19:23 | 6:14/mi
20K· 12.43 mi
1:17:31
Rank: #1935 (-186)
15K → 20K
19:57 | 6:25/mi
Half· 13.11 mi
1:21:49
Rank: #1962 (-27)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:37:47
Rank: #2150 (-188)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
1:59:32
Rank: #2512 (-362)
25K → 30K
21:45 | 7:00/mi
20M
2:09:16
Rank: #2651 (-139)
30K → 20M
9:44 | 7:10/mi
21M
2:17:15
Rank: #2880 (-229)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:22:28
Rank: #2905 (-25)
21M → 35K
5:13 | 6:58/mi
23M
2:31:57
Rank: #3082 (-177)
35K → 23M
9:29 | 7:34/mi
24M
2:39:22
Rank: #3222 (-140)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:45:57
Rank: #3364 (-142)
24M → 40K
6:35 | 7:42/mi
25.2M
2:49:16
Rank: #3527 (-163)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
2:57:40
Rank: #3937 (-410)
25.2M → Finish
8:24 | 8:15/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
Time1:21:49
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0719:096:1019:09
6:10
-
10K
6.21 mi10:39:0938:116:0919:02
6:08
-0:02
15K
9.32 mi10:58:3257:346:1119:23
6:14
+0:06
20K
12.43 mi11:18:291:17:316:1419:57
6:25
+0:11
Half
13.11 mi11:22:471:21:496:144:18
6:18
-0:07
25K
15.53 mi11:38:451:37:476:1815:58
6:35
+0:17
30K
18.64 mi12:00:301:59:326:2521:45
7:00
+0:25
20M
20.00 mi12:10:142:09:166:289:44
7:10
+0:10
21M
21.00 mi12:18:132:17:156:327:59
7:59
+0:49
35K
21.75 mi12:23:262:22:286:335:13
6:58
-1:01
23M
23.00 mi12:32:552:31:576:369:29
7:34
+0:36
24M
24.00 mi12:40:202:39:226:387:25
7:25
-0:09
40K
24.85 mi12:46:552:45:576:416:35
7:42
+0:17
25.2M
25.20 mi12:50:142:49:166:433:19
9:37
+1:55
Finish
26.22 mi12:58:382:57:406:478:24
8:15
-1:22

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

6:08 /mi

Average Pace

6:47 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:49

46% of race

Time at Steady Pace

1:00:05

34% of race

Time at Slower Pace

35:46

20% of race

Average Pace: 6:47 /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 mi10:20:0719:096:1019:09
6:10
#1674
10K
6.21 mi10:39:0938:116:0919:02
6:08
#1611
15K
9.32 mi10:58:3257:346:1119:23
6:14
#1749
20K
12.43 mi11:18:291:17:316:1419:57
6:25
#1935
Half
13.11 mi11:22:471:21:496:144:18
6:18
#1962
25K
15.53 mi11:38:451:37:476:1815:58
6:35
#2150
30K
18.64 mi12:00:301:59:326:2521:45
7:00
#2512
20M
20.00 mi12:10:142:09:166:289:44
7:10
#2651
21M
21.00 mi12:18:132:17:156:327:59
7:59
#2880
35K
21.75 mi12:23:262:22:286:335:13
6:58
#2905
23M
23.00 mi12:32:552:31:576:369:29
7:34
#3082
24M
24.00 mi12:40:202:39:226:387:25
7:25
#3222
40K
24.85 mi12:46:552:45:576:416:35
7:42
#3364
25.2M
25.20 mi12:50:142:49:166:433:19
9:37
#3527
Finish
26.22 mi12:58:382:57:406:478:24
8:15
#3937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1674159215922032(Top 7%)1936(Top 12%)1936(Top 34%)
10K6.21 mi3.10 mi1611+631532+601532+601571(Top 6%)1494(Top 9%)1494(Top 26%)
15K9.32 mi3.11 mi1749-1381663-1311663-1312032(Top 7%)1936(Top 12%)1936(Top 34%)
20K12.43 mi3.11 mi1935-1861845-1821845-1822637(Top 9%)2510(Top 16%)2510(Top 44%)
Half13.11 mi0.68 mi1962-271872-271872-272528(Top 9%)2417(Top 15%)2417(Top 43%)
25K15.53 mi2.42 mi2150-1882051-1792051-1793373(Top 12%)3187(Top 20%)3187(Top 56%)
30K18.64 mi3.11 mi2512-3622398-3472398-3474670(Top 16%)4257(Top 26%)4257(Top 75%)
20M20.00 mi1.36 mi2651-1392529-1312529-1314970(Top 17%)4455(Top 28%)4455(Top 79%)
21M21.00 mi1.00 mi2880-2292739-2102739-2107221(Top 25%)5795(Top 36%)5795(Top 103%)
35K21.75 mi0.75 mi2905-252755-162755-165133(Top 18%)4465(Top 28%)4465(Top 79%)
23M23.00 mi1.25 mi3082-1772915-1602915-1607043(Top 25%)5596(Top 35%)5596(Top 99%)
24M24.00 mi1.00 mi3222-1403039-1243039-1247096(Top 25%)5571(Top 35%)5571(Top 99%)
40K24.85 mi0.85 mi3364-1423162-1233162-1238028(Top 28%)5990(Top 37%)5990(Top 106%)
25.2M25.20 mi0.35 mi3527-1633295-1333295-13315076(Top 53%)9415(Top 58%)9415(Top 167%)
Finish26.22 mi1.02 mi3937-4103640-3453640-34514504(Top 51%)9245(Top 57%)9245(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2032

Males

1936

M18-39

1936

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1571

Males

1494

M18-39

1494

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2032

Males

1936

M18-39

1936

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2637

Males

2510

M18-39

2510

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2528

Males

2417

M18-39

2417

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3373

Males

3187

M18-39

3187

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4670

Males

4257

M18-39

4257

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4970

Males

4455

M18-39

4455

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7221

Males

5795

M18-39

5795

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5133

Males

4465

M18-39

4465

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7043

Males

5596

M18-39

5596

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7096

Males

5571

M18-39

5571

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8028

Males

5990

M18-39

5990

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15076

Males

9415

M18-39

9415

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14504

Males

9245

M18-39

9245

Passing Analysis

Category:
Athletes Passed
329
Passed By
2592
Net Change
-2263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1674
5K → 10K11956+63#1674#1611
10K → 15K24162-138#1611#1749
15K → 20K25211-186#1749#1935
20K → Half330-27#1935#1962
Half → 25K20208-188#1962#2150
25K → 30K25387-362#2150#2512
30K → 20M21160-139#2512#2651
20M → 21M10239-229#2651#2880
21M → 35K2550-25#2880#2905
35K → 23M21198-177#2905#3082
23M → 24M15155-140#3082#3222
24M → 40K13155-142#3222#3364
40K → 25.2M4167-163#3364#3527
25.2M → Finish4414-410#3527#3937
TOTALS3292592-2263
📊

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