Boston Marathon logo
BOSTON MARATHON 2025

James Romer

Bib: 31262•M

ME

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
9:15/mi
28:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
56:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:24:41
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:52:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:58:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:20:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:49:11
↑ 181↓ 1480.2%
20M
9:03/mi
3:01:29
↑ 64↓ 500.2%
21M
9:11/mi
3:10:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
3:17:03
↑ 17↓ 861.7%
23M
8:51/mi
3:28:08
↑ 23↓ 630.6%
24M
8:38/mi
3:36:46
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:44:26
↓ 200.3%
25.2M
9:52/mi
3:47:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:56:28
↑ 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
Time1:58:27
Pace9:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1228:459:1528:45
9:15
-
10K
6.21 mi12:23:2356:569:1028:11
9:04
-0:11
15K
9.32 mi12:51:081:24:419:0527:45
8:56
-0:08
20K
12.43 mi13:18:541:52:279:0327:46
8:56
0:00
Half
13.11 mi13:24:541:58:279:026:00
8:48
-0:08
25K
15.53 mi13:47:112:20:449:0422:17
9:11
+0:23
30K
18.64 mi14:15:382:49:119:0528:27
9:09
-0:02
20M
20.00 mi14:27:563:01:299:0412:18
9:03
-0:06
21M
21.00 mi14:37:073:10:409:059:11
9:11
+0:08
35K
21.75 mi14:43:303:17:039:046:23
8:32
-0:39
23M
23.00 mi14:54:353:28:089:0311:05
8:51
+0:19
24M
24.00 mi15:03:133:36:469:028:38
8:38
-0:13
40K
24.85 mi15:10:533:44:269:027:40
8:58
+0:20
25.2M
25.20 mi15:14:173:47:509:023:24
9:52
+0:54
Finish
26.22 mi15:22:553:56:289:028:38
8:28
-1:24

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

8:28 /mi

Average Pace

9:02 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:04

99% of race

Time at Steady Pace

3:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:55:1228:459:1528:45
9:15
#23400
10K
6.21 mi12:23:2356:569:1028:11
9:04
#23068
15K
9.32 mi12:51:081:24:419:0527:45
8:56
#22634
20K
12.43 mi13:18:541:52:279:0327:46
8:56
#22150
Half
13.11 mi13:24:541:58:279:026:00
8:48
#22078
25K
15.53 mi13:47:112:20:449:0422:17
9:11
#21829
30K
18.64 mi14:15:382:49:119:0528:27
9:09
#21218
20M
20.00 mi14:27:563:01:299:0412:18
9:03
#20904
21M
21.00 mi14:37:073:10:409:059:11
9:11
#20556
35K
21.75 mi14:43:303:17:039:046:23
8:32
#20402
23M
23.00 mi14:54:353:28:089:0311:05
8:51
#20141
24M
24.00 mi15:03:133:36:469:028:38
8:38
#19959
40K
24.85 mi15:10:533:44:269:027:40
8:58
#19817
25.2M
25.20 mi15:14:173:47:509:023:24
9:52
#19770
Finish
26.22 mi15:22:553:56:289:028:38
8:28
#19650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23400139501395021701(Top 76%)13263(Top 82%)13263(Top 664%)
10K6.21 mi3.10 mi23068+33213819+13113819+13122689(Top 80%)13660(Top 85%)13660(Top 684%)
15K9.32 mi3.11 mi22634+43413642+17713642+17721701(Top 76%)13263(Top 82%)13263(Top 664%)
20K12.43 mi3.11 mi22150+48413409+23313409+23320644(Top 73%)12727(Top 79%)12727(Top 638%)
Half13.11 mi0.68 mi22078+7213375+3413375+3420849(Top 73%)12825(Top 80%)12825(Top 643%)
25K15.53 mi2.42 mi21829+24913254+12113254+12120709(Top 73%)12726(Top 79%)12726(Top 638%)
30K18.64 mi3.11 mi21218+61112961+29312961+29318442(Top 65%)11589(Top 72%)11589(Top 581%)
20M20.00 mi1.36 mi20904+31412801+16012801+16017067(Top 60%)10855(Top 67%)10855(Top 544%)
21M21.00 mi1.00 mi20556+34812621+18012621+18014533(Top 51%)9593(Top 60%)9593(Top 481%)
35K21.75 mi0.75 mi20402+15412533+8812533+8815670(Top 55%)10038(Top 62%)10038(Top 503%)
23M23.00 mi1.25 mi20141+26112387+14612387+14615404(Top 54%)9824(Top 61%)9824(Top 492%)
24M24.00 mi1.00 mi19959+18212283+10412283+10415354(Top 54%)9749(Top 61%)9749(Top 488%)
40K24.85 mi0.85 mi19817+14212197+8612197+8616102(Top 57%)9975(Top 62%)9975(Top 500%)
25.2M25.20 mi0.35 mi19770+4712176+2112176+2116368(Top 58%)10078(Top 63%)10078(Top 505%)
Finish26.22 mi1.02 mi19650+12012104+7212104+7216028(Top 56%)9960(Top 62%)9960(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21701

Males

13263

M50-54

13263

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22689

Males

13660

M50-54

13660

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21701

Males

13263

M50-54

13263

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20644

Males

12727

M50-54

12727

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20849

Males

12825

M50-54

12825

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20709

Males

12726

M50-54

12726

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18442

Males

11589

M50-54

11589

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17067

Males

10855

M50-54

10855

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14533

Males

9593

M50-54

9593

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15670

Males

10038

M50-54

10038

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15404

Males

9824

M50-54

9824

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15354

Males

9749

M50-54

9749

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16102

Males

9975

M50-54

9975

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16368

Males

10078

M50-54

10078

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

16028

Males

9960

M50-54

9960

Passing Analysis

Category:
Athletes Passed
3975
Passed By
225
Net Change
+3750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23400
5K → 10K43199+332#23400#23068
10K → 15K46026+434#23068#22634
15K → 20K49511+484#22634#22150
20K → Half797+72#22150#22078
Half → 25K28031+249#22078#21829
25K → 30K62312+611#21829#21218
30K → 20M3173+314#21218#20904
20M → 21M3480+348#20904#20556
21M → 35K1551+154#20556#20402
35K → 23M2687+261#20402#20141
23M → 24M1831+182#20141#19959
24M → 40K1508+142#19959#19817
40K → 25.2M525+47#19817#19770
25.2M → Finish13414+120#19770#19650
TOTALS3975225+3750
📊

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