Boston Marathon logo
BOSTON MARATHON 2025

J Royston

Bib: 10268•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 19%
Division (M45-49)
#0 / 2386
Top 25%
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
6:50/mi
21:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:03:25
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:41
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:18
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:46:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:08:35
↑ 181↓ 1480.2%
20M
7:21/mi
2:18:34
↑ 64↓ 500.2%
21M
8:28/mi
2:27:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:32:19
↑ 17↓ 861.7%
23M
7:23/mi
2:41:34
↑ 23↓ 630.6%
24M
7:15/mi
2:48:49
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:55:07
↓ 200.3%
25.2M
9:17/mi
2:58:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:05:33
↑ 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
Time1:29:18
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0021:156:5021:15
6:50
-
10K
6.21 mi11:08:1442:296:5021:14
6:50
0:00
15K
9.32 mi11:29:101:03:256:4820:56
6:44
-0:06
20K
12.43 mi11:50:261:24:416:4921:16
6:51
+0:07
Half
13.11 mi11:55:031:29:186:494:37
6:46
-0:05
25K
15.53 mi12:11:551:46:106:5016:52
6:57
+0:11
30K
18.64 mi12:34:202:08:356:5422:25
7:13
+0:16
20M
20.00 mi12:44:192:18:346:569:59
7:21
+0:08
21M
21.00 mi12:52:472:27:027:008:28
8:28
+1:07
35K
21.75 mi12:58:042:32:197:005:17
7:04
-1:24
23M
23.00 mi13:07:192:41:347:019:15
7:23
+0:19
24M
24.00 mi13:14:342:48:497:027:15
7:15
-0:08
40K
24.85 mi13:20:522:55:077:036:18
7:22
+0:07
25.2M
25.20 mi13:24:042:58:197:053:12
9:17
+1:55
Finish
26.22 mi13:31:183:05:337:057:14
7:06
-2:11

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

6:44 /mi

Average Pace

7:05 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:56

11% of race

Time at Steady Pace

2:32:57

82% of race

Time at Slower Pace

11:40

6% of race

Average Pace: 7:05 /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 mi10:47:0021:156:5021:15
6:50
#6619
10K
6.21 mi11:08:1442:296:5021:14
6:50
#6636
15K
9.32 mi11:29:101:03:256:4820:56
6:44
#6246
20K
12.43 mi11:50:261:24:416:4921:16
6:51
#6063
Half
13.11 mi11:55:031:29:186:494:37
6:46
#6048
25K
15.53 mi12:11:551:46:106:5016:52
6:57
#6016
30K
18.64 mi12:34:202:08:356:5422:25
7:13
#5964
20M
20.00 mi12:44:192:18:346:569:59
7:21
#5922
21M
21.00 mi12:52:472:27:027:008:28
8:28
#6106
35K
21.75 mi12:58:042:32:197:005:17
7:04
#6056
23M
23.00 mi13:07:192:41:347:019:15
7:23
#5955
24M
24.00 mi13:14:342:48:497:027:15
7:15
#5911
40K
24.85 mi13:20:522:55:077:036:18
7:22
#5861
25.2M
25.20 mi13:24:042:58:197:053:12
9:17
#5928
Finish
26.22 mi13:31:183:05:337:057:14
7:06
#5873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6619600860085436(Top 19%)4995(Top 31%)4995(Top 209%)
10K6.21 mi3.10 mi6636-176014-66014-66724(Top 24%)6062(Top 38%)6062(Top 254%)
15K9.32 mi3.11 mi6246+3905708+3065708+3065436(Top 19%)4995(Top 31%)4995(Top 209%)
20K12.43 mi3.11 mi6063+1835536+1725536+1725734(Top 20%)5224(Top 32%)5224(Top 219%)
Half13.11 mi0.68 mi6048+155519+175519+175788(Top 20%)5275(Top 33%)5275(Top 221%)
25K15.53 mi2.42 mi6016+325473+465473+466016(Top 21%)5407(Top 34%)5407(Top 227%)
30K18.64 mi3.11 mi5964+525413+605413+605981(Top 21%)5293(Top 33%)5293(Top 222%)
20M20.00 mi1.36 mi5922+425361+525361+526042(Top 21%)5223(Top 32%)5223(Top 219%)
21M21.00 mi1.00 mi6106-1845486-1255486-12510208(Top 36%)7458(Top 46%)7458(Top 313%)
35K21.75 mi0.75 mi6056+505435+515435+515732(Top 20%)4868(Top 30%)4868(Top 204%)
23M23.00 mi1.25 mi5955+1015345+905345+905955(Top 21%)4933(Top 31%)4933(Top 207%)
24M24.00 mi1.00 mi5911+445294+515294+516091(Top 21%)4968(Top 31%)4968(Top 208%)
40K24.85 mi0.85 mi5861+505241+535241+535991(Top 21%)4837(Top 30%)4837(Top 203%)
25.2M25.20 mi0.35 mi5928-675285-445285-4413244(Top 47%)8550(Top 53%)8550(Top 358%)
Finish26.22 mi1.02 mi5873+555225+605225+606340(Top 22%)4940(Top 31%)4940(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5436

Males

4995

M45-49

4995

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6724

Males

6062

M45-49

6062

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5436

Males

4995

M45-49

4995

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5734

Males

5224

M45-49

5224

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5788

Males

5275

M45-49

5275

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6016

Males

5407

M45-49

5407

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5981

Males

5293

M45-49

5293

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6042

Males

5223

M45-49

5223

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10208

Males

7458

M45-49

7458

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5732

Males

4868

M45-49

4868

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5955

Males

4933

M45-49

4933

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

6091

Males

4968

M45-49

4968

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5991

Males

4837

M45-49

4837

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13244

Males

8550

M45-49

8550

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6340

Males

4940

M45-49

4940

Passing Analysis

Category:
Athletes Passed
1778
Passed By
1032
Net Change
+746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6619
5K → 10K187204-17#6619#6636
10K → 15K41222+390#6636#6246
15K → 20K23754+183#6246#6063
20K → Half3015+15#6063#6048
Half → 25K139107+32#6048#6016
25K → 30K211159+52#6016#5964
30K → 20M9250+42#5964#5922
20M → 21M29213-184#5922#6106
21M → 35K6414+50#6106#6056
35K → 23M12827+101#6056#5955
23M → 24M7329+44#5955#5911
24M → 40K8131+50#5911#5861
40K → 25.2M1279-67#5861#5928
25.2M → Finish8328+55#5928#5873
TOTALS17781032+746
📊

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