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BOSTON MARATHON 2025

Brian Reis

Bib: 381•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:08
Rank: #1657
Start → 5K
19:08 | 6:10/mi
10K· 6.21 mi
38:29
Rank: #1839 (-182)
5K → 10K
19:21 | 6:14/mi
15K· 9.32 mi
58:07
Rank: #2029 (-190)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:17:56
Rank: #2112 (-83)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:22:12
Rank: #2122 (-10)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:55
Rank: #2190 (-68)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
1:58:46
Rank: #2298 (-108)
25K → 30K
20:51 | 6:43/mi
20M
2:07:48
Rank: #2263 (+35)
30K → 20M
9:02 | 6:39/mi
21M
2:14:45
Rank: #2231 (+32)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:19:23
Rank: #2176 (+55)
21M → 35K
4:38 | 6:12/mi
23M
2:27:35
Rank: #2106 (+70)
35K → 23M
8:12 | 6:33/mi
24M
2:33:46
Rank: #1996 (+110)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:39:06
Rank: #1921 (+75)
24M → 40K
5:20 | 6:14/mi
25.2M
2:41:36
Rank: #1910 (+11)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:48:01
Rank: #1890 (+20)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:12
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:49
Pace6:33 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2919:086:1019:08
6:10
-
10K
6.21 mi10:38:5038:296:1219:21
6:14
+0:04
15K
9.32 mi10:58:2858:076:1419:38
6:19
+0:05
20K
12.43 mi11:18:171:17:566:1619:49
6:23
+0:04
Half
13.11 mi11:22:331:22:126:164:16
6:15
-0:08
25K
15.53 mi11:38:161:37:556:1815:43
6:29
+0:14
30K
18.64 mi11:59:071:58:466:2220:51
6:43
+0:14
20M
20.00 mi12:08:092:07:486:239:02
6:39
-0:04
21M
21.00 mi12:15:062:14:456:256:57
6:57
+0:18
35K
21.75 mi12:19:442:19:236:254:38
6:12
-0:45
23M
23.00 mi12:27:562:27:356:258:12
6:33
+0:21
24M
24.00 mi12:34:072:33:466:246:11
6:11
-0:22
40K
24.85 mi12:39:272:39:066:245:20
6:14
+0:03
25.2M
25.20 mi12:41:572:41:366:252:30
7:15
+1:01
Finish
26.22 mi12:48:222:48:016:256:25
6:18
-0:57

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

6:10 /mi

Average Pace

6:25 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:34

94% of race

Time at Steady Pace

9:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:19:2919:086:1019:08
6:10
#1657
10K
6.21 mi10:38:5038:296:1219:21
6:14
#1839
15K
9.32 mi10:58:2858:076:1419:38
6:19
#2029
20K
12.43 mi11:18:171:17:566:1619:49
6:23
#2112
Half
13.11 mi11:22:331:22:126:164:16
6:15
#2122
25K
15.53 mi11:38:161:37:556:1815:43
6:29
#2190
30K
18.64 mi11:59:071:58:466:2220:51
6:43
#2298
20M
20.00 mi12:08:092:07:486:239:02
6:39
#2263
21M
21.00 mi12:15:062:14:456:256:57
6:57
#2231
35K
21.75 mi12:19:442:19:236:254:38
6:12
#2176
23M
23.00 mi12:27:562:27:356:258:12
6:33
#2106
24M
24.00 mi12:34:072:33:466:246:11
6:11
#1996
40K
24.85 mi12:39:272:39:066:245:20
6:14
#1921
25.2M
25.20 mi12:41:572:41:366:252:30
7:15
#1910
Finish
26.22 mi12:48:222:48:016:256:25
6:18
#1890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1657157515752459(Top 9%)2348(Top 15%)2348(Top 42%)
10K6.21 mi3.10 mi1839-1821749-1741749-1742050(Top 7%)1953(Top 12%)1953(Top 35%)
15K9.32 mi3.11 mi2029-1901933-1841933-1842459(Top 9%)2348(Top 15%)2348(Top 42%)
20K12.43 mi3.11 mi2112-832016-832016-832412(Top 8%)2301(Top 14%)2301(Top 41%)
Half13.11 mi0.68 mi2122-102026-102026-102282(Top 8%)2183(Top 14%)2183(Top 39%)
25K15.53 mi2.42 mi2190-682091-652091-652795(Top 10%)2659(Top 17%)2659(Top 47%)
30K18.64 mi3.11 mi2298-1082193-1022193-1022943(Top 10%)2771(Top 17%)2771(Top 49%)
20M20.00 mi1.36 mi2263+352159+342159+342234(Top 8%)2112(Top 13%)2112(Top 37%)
21M21.00 mi1.00 mi2231+322129+302129+302078(Top 7%)1953(Top 12%)1953(Top 35%)
35K21.75 mi0.75 mi2176+552075+542075+541226(Top 4%)1157(Top 7%)1157(Top 21%)
23M23.00 mi1.25 mi2106+702004+712004+711646(Top 6%)1539(Top 10%)1539(Top 27%)
24M24.00 mi1.00 mi1996+1101895+1091895+109994(Top 3%)936(Top 6%)936(Top 17%)
40K24.85 mi0.85 mi1921+751821+741821+74847(Top 3%)796(Top 5%)796(Top 14%)
25.2M25.20 mi0.35 mi1910+111808+131808+132356(Top 8%)2109(Top 13%)2109(Top 37%)
Finish26.22 mi1.02 mi1890+201790+181790+181886(Top 7%)1741(Top 11%)1741(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2459

Males

2348

M18-39

2348

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2050

Males

1953

M18-39

1953

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2459

Males

2348

M18-39

2348

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2412

Males

2301

M18-39

2301

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2282

Males

2183

M18-39

2183

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2795

Males

2659

M18-39

2659

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2943

Males

2771

M18-39

2771

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2234

Males

2112

M18-39

2112

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2078

Males

1953

M18-39

1953

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1226

Males

1157

M18-39

1157

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1646

Males

1539

M18-39

1539

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

994

Males

936

M18-39

936

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

847

Males

796

M18-39

796

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2356

Males

2109

M18-39

2109

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1886

Males

1741

M18-39

1741

Passing Analysis

Category:
Athletes Passed
678
Passed By
911
Net Change
-233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1657
5K → 10K35217-182#1657#1839
10K → 15K17207-190#1839#2029
15K → 20K44127-83#2029#2112
20K → Half717-10#2112#2122
Half → 25K3199-68#2122#2190
25K → 30K58166-108#2190#2298
30K → 20M5621+35#2298#2263
20M → 21M5321+32#2263#2231
21M → 35K561+55#2231#2176
35K → 23M755+70#2176#2106
23M → 24M1122+110#2106#1996
24M → 40K761+75#1996#1921
40K → 25.2M187+11#1921#1910
25.2M → Finish4020+20#1910#1890
TOTALS678911-233
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing