Boston Marathon logo
BOSTON MARATHON 2025

Reginald Miller

Bib: 1889•M

AB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:20
Rank: #794
Start → 5K
5:54/mi
18:20 split
10K· 6.21 mi
36:21
Rank: #696 (+98)
5K → 10K
5:48/mi
18:01 split
15K· 9.32 mi
54:33
Rank: #670 (+26)
10K → 15K
5:51/mi
18:12 split
20K· 12.43 mi
1:12:57
Rank: #664 (+6)
15K → 20K
5:55/mi
18:24 split
Half· 13.11 mi
1:16:54
Rank: #652 (+12)
20K → Half
5:47/mi
3:57 split
25K· 15.53 mi
1:31:20
Rank: #648 (+4)
Half → 25K
5:57/mi
14:26 split
30K· 18.64 mi
1:50:34
Rank: #667 (-19)
25K → 30K
6:11/mi
19:14 split
20M
1:59:32
Rank: #722 (-55)
30K → 20M
6:36/mi
8:58 split
21M
2:06:52
Rank: #789 (-67)
20M → 21M
7:20/mi
7:20 split
35K· 21.75 mi
2:11:43
Rank: #814 (-25)
21M → 35K
6:29/mi
4:51 split
23M
2:20:17
Rank: #871 (-57)
35K → 23M
6:51/mi
8:34 split
24M
2:26:42
Rank: #892 (-21)
23M → 24M
6:25/mi
6:25 split
40K· 24.85 mi
2:32:12
Rank: #900 (-8)
24M → 40K
6:26/mi
5:30 split
25.2M
2:34:38
Rank: #898 (+2)
40K → 25.2M
7:03/mi
2:26 split
Finish· 26.22 mi
2:40:48
Rank: #887 (+11)
25.2M → Finish
6:03/mi
6:10 split

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
Time1:16:54
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:23:54
Pace6:24 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0418:205:5418:20
5:54
-
10K
6.21 mi10:37:0536:215:5118:01
5:48
-0:06
15K
9.32 mi10:55:1754:335:5118:12
5:51
+0:03
20K
12.43 mi11:13:411:12:575:5218:24
5:55
+0:04
Half
13.11 mi11:17:381:16:545:523:57
5:47
-0:08
25K
15.53 mi11:32:041:31:205:5314:26
5:57
+0:10
30K
18.64 mi11:51:181:50:345:5619:14
6:11
+0:14
20M
20.00 mi12:00:161:59:325:598:58
6:36
+0:25
21M
21.00 mi12:07:362:06:526:027:20
7:20
+0:44
35K
21.75 mi12:12:272:11:436:034:51
6:29
-0:51
23M
23.00 mi12:21:012:20:176:068:34
6:51
+0:22
24M
24.00 mi12:27:262:26:426:076:25
6:25
-0:26
40K
24.85 mi12:32:562:32:126:075:30
6:26
+0:01
25.2M
25.20 mi12:35:222:34:386:082:26
7:03
+0:37
Finish
26.22 mi12:41:322:40:486:086:10
6:03
-1:00

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

5:47 /mi

Average Pace

6:08 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:54

48% of race

Time at Steady Pace

46:15

29% of race

Time at Slower Pace

37:39

23% of race

Average Pace: 6:08 /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 mi10:19:0418:205:5418:20
5:54
#794
10K
6.21 mi10:37:0536:215:5118:01
5:48
#696
15K
9.32 mi10:55:1754:335:5118:12
5:51
#670
20K
12.43 mi11:13:411:12:575:5218:24
5:55
#664
Half
13.11 mi11:17:381:16:545:523:57
5:47
#652
25K
15.53 mi11:32:041:31:205:5314:26
5:57
#648
30K
18.64 mi11:51:181:50:345:5619:14
6:11
#667
20M
20.00 mi12:00:161:59:325:598:58
6:36
#722
21M
21.00 mi12:07:362:06:526:027:20
7:20
#789
35K
21.75 mi12:12:272:11:436:034:51
6:29
#814
23M
23.00 mi12:21:012:20:176:068:34
6:51
#871
24M
24.00 mi12:27:262:26:426:076:25
6:25
#892
40K
24.85 mi12:32:562:32:126:075:30
6:26
#900
25.2M
25.20 mi12:35:222:34:386:082:26
7:03
#898
Finish
26.22 mi12:41:322:40:486:086:10
6:03
#887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi794741741644(Top 2%)598(Top 4%)598(Top 11%)
10K6.21 mi3.10 mi696+98650+91650+91607(Top 2%)568(Top 4%)568(Top 10%)
15K9.32 mi3.11 mi670+26622+28622+28644(Top 2%)598(Top 4%)598(Top 11%)
20K12.43 mi3.11 mi664+6617+5617+5674(Top 2%)627(Top 4%)627(Top 11%)
Half13.11 mi0.68 mi652+12605+12605+12573(Top 2%)539(Top 3%)539(Top 10%)
25K15.53 mi2.42 mi648+4601+4601+4693(Top 2%)645(Top 4%)645(Top 11%)
30K18.64 mi3.11 mi667-19620-19620-19887(Top 3%)831(Top 5%)831(Top 15%)
20M20.00 mi1.36 mi722-55675-55675-551988(Top 7%)1878(Top 12%)1878(Top 33%)
21M21.00 mi1.00 mi789-67739-64739-643736(Top 13%)3399(Top 21%)3399(Top 60%)
35K21.75 mi0.75 mi814-25764-25764-252338(Top 8%)2181(Top 14%)2181(Top 39%)
23M23.00 mi1.25 mi871-57817-53817-532881(Top 10%)2636(Top 16%)2636(Top 47%)
24M24.00 mi1.00 mi892-21836-19836-191690(Top 6%)1575(Top 10%)1575(Top 28%)
40K24.85 mi0.85 mi900-8843-7843-71354(Top 5%)1255(Top 8%)1255(Top 22%)
25.2M25.20 mi0.35 mi898+2841+2841+21588(Top 6%)1445(Top 9%)1445(Top 26%)
Finish26.22 mi1.02 mi887+11830+11830+111047(Top 4%)981(Top 6%)981(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

644

Males

598

M18-39

598

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

607

Males

568

M18-39

568

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

644

Males

598

M18-39

598

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

674

Males

627

M18-39

627

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

573

Males

539

M18-39

539

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

693

Males

645

M18-39

645

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

887

Males

831

M18-39

831

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1988

Males

1878

M18-39

1878

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3736

Males

3399

M18-39

3399

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2338

Males

2181

M18-39

2181

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2881

Males

2636

M18-39

2636

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1690

Males

1575

M18-39

1575

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1354

Males

1255

M18-39

1255

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1588

Males

1445

M18-39

1445

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1047

Males

981

M18-39

981

Passing Analysis

Category:
Athletes Passed
311
Passed By
404
Net Change
-93
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#794
5K → 10K1079+98#794#696
10K → 15K3812+26#696#670
15K → 20K2519+6#670#664
20K → Half131+12#664#652
Half → 25K2824+4#652#648
25K → 30K2342-19#648#667
30K → 20M358-55#667#722
20M → 21M370-67#722#789
21M → 35K1136-25#789#814
35K → 23M764-57#814#871
23M → 24M829-21#871#892
24M → 40K1725-8#892#900
40K → 25.2M75+2#900#898
25.2M → Finish2110+11#898#887
TOTALS311404-93
📊

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